User:JHunterJ/Articles under the category Birds by location

Using WP:AWB, I generated this list of all articles under (recursively) Category:Birds by location. Sorted alphabetically.


 * ‘Akeke‘e
 * ‘Elepaio
 * ‘Eua Rail
 * ‘Ōma’o
 * Aammiq Wetland
 * Abacot Ranger
 * Abberton Reservoir
 * Abbott's Babbler
 * Abbott's Booby
 * Abd al-Kuri Sparrow
 * Abdim's Stork
 * Aberdare Cisticola
 * Abernethy Forest
 * Aberrant Bush Warbler
 * Abert's Towhee
 * Abrolhos Painted Buttonquail
 * Abyssinian Catbird
 * Abyssinian crimsonwing
 * Abyssinian Ground Hornbill
 * Abyssinian ground thrush
 * Abyssinian Longclaw
 * Abyssinian Roller
 * Abyssinian thrush
 * Abyssinian Woodpecker
 * Acacia Tit
 * Acadian Flycatcher
 * Aceros
 * Acorn Woodpecker
 * Acre Antshrike
 * Adamawa Turtle Dove
 * Adams Island, New Zealand
 * Adelaide's Warbler
 * Adelaide and Mary River Floodplains
 * Adelaide Ornithologists Club
 * Adele Island (Western Australia)
 * Adélie penguin
 * Admiralty Bay (South Shetland Islands)
 * Adrian Darby
 * Adzebill
 * Aepyornis
 * Afep pigeon
 * Afghan Babbler
 * Afghan Snowfinch
 * African Banks
 * African Black Duck
 * African Black Swift
 * African Blue Flycatcher
 * African Broadbill
 * African Collared Dove
 * African crake
 * African Crimson-winged Finch
 * African cuckoo
 * African Cuckoo-Hawk
 * African Darter
 * African Desert Warbler
 * African Dusky Flycatcher
 * African Dwarf Kingfisher
 * African emerald cuckoo
 * African Finfoot
 * African firefinch
 * African Fish Eagle
 * African Golden Oriole
 * African Grass Owl
 * African Green Pigeon
 * African Grey Hornbill
 * African Grey Parrot
 * African ground thrush
 * African Harrier-Hawk
 * African hawk-eagle
 * African hill babbler
 * African Hobby
 * African Jacana
 * African Marsh Harrier
 * African olive pigeon
 * African Openbill
 * African Oystercatcher
 * African Palm Swift
 * African Paradise Flycatcher
 * African Penguin
 * African Pied Hornbill
 * African Pied Wagtail
 * African Pipit
 * African Pitta
 * African Pygmy Goose
 * African Pygmy Kingfisher
 * African Quailfinch
 * African Rail
 * African Reed Warbler
 * African Rock Pipit
 * African Sacred Ibis
 * African scops owl
 * African Shrike-flycatcher
 * African silverbill
 * African Skimmer
 * African Spoonbill
 * African Spotted Creeper
 * African Stonechat
 * African thrush
 * African Wattled Lapwing
 * African Wood Owl
 * African Yellow Warbler
 * African Yellow White-eye
 * Agami Heron
 * Agulhas Long-billed Lark
 * Ailsa Craig
 * Aiolornis
 * Aïr and Ténéré National Nature Reserve
 * Ajai Wildlife Reserve
 * ʻAkepa
 * ʻAkiapolaʻau
 * ʻAkikiki
 * Akimiski Island Migratory Bird Sanctuary
 * ʻAkohekohe
 * Akpatok Island
 * Akraberg
 * Aktash Massif Important Bird Area
 * Akun eagle-owl
 * Akyatan Lagoon
 * Al Shouf Cedar Nature Reserve
 * Alagoas Antwren
 * Alagoas Curassow
 * Alagoas Tyrannulet
 * Alan Dean (ornithologist)
 * Alan Feduccia
 * Alan Harding Lendon
 * Alan Leishman
 * Alaotra Grebe
 * Alaska Raptor Center
 * Albany River Estuary
 * Albatross Island (Tasmania)
 * Albert's Lyrebird
 * Alberto O. Treganza
 * Aldabra
 * Aldabra brush warbler
 * Aldabra drongo
 * Alepu
 * Aleutian Cackling Goose
 * Alexander Hugh Chisholm
 * Alexander Island (Houtman Abrolhos)
 * Alexander Skutch
 * Alexander Wetmore
 * Alexander William Milligan
 * Alexander Wilson
 * Alexandrine Parakeet
 * Alexornis
 * Alfred Hart Everett
 * Alfred John North
 * Alfred Marshall Bailey
 * Alfred Newton
 * Alfred Newton Lecture
 * Algerian Nuthatch
 * Alkhornet
 * Allan Brooks
 * Allan Octavian Hume
 * Allan Reginald McEvey
 * Allan Roy Sefton
 * Allegan State Game Area
 * Allen's Gallinule
 * Allen's Hummingbird
 * Allen Morgan
 * Aller and Beer Woods
 * Aller Hill
 * Aller, Somerset
 * Alligator Rivers
 * Allpahuayo Antbird
 * Alpine Accentor
 * Alpine chough
 * Alpine Pipit
 * Alpine Swift
 * Altai Accentor
 * Altai Falcon
 * Altai Snowcock
 * Altamira Oriole
 * Altamira Yellowthroat
 * Althea Sherman
 * Amami thrush
 * Amami woodcock
 * Amarambalam
 * ʻĀmaui
 * Amazilia Hummingbird
 * Amazon Kingfisher
 * Amazonian Antshrike
 * Amazonian Barred Woodcreeper
 * Amazonian Pygmy Owl
 * Amazonian Royal Flycatcher
 * Amazonian Scrub Flycatcher
 * Amazonian Violaceous Trogon
 * Amber Mountain Rock Thrush
 * Ambon White-eye
 * Ameline Swiftlet
 * American avocet
 * American Bird Conservancy
 * American Birding Association
 * American bittern
 * American black duck
 * American Black Swift
 * American Bushtit
 * American cliff swallow
 * American coot
 * American crow
 * American Darter
 * American Dipper
 * American Dusky Flycatcher
 * American flamingo
 * American Giant Runt
 * American golden plover
 * American goldfinch
 * American Gray Flycatcher
 * American herring gull
 * American kestrel
 * American Ornithologists' Union
 * American oystercatcher
 * American Pipit
 * American purple gallinule
 * American Pygmy Kingfisher
 * American Redstart
 * American robin
 * American Show Racer
 * American Three-toed Woodpecker
 * American Tree Sparrow
 * American white ibis
 * American white pelican
 * American wigeon
 * American woodcock
 * American Yellow Warbler
 * Amethyst Brown Dove
 * Amethyst Woodstar
 * Amherst Island
 * Amitabha (bird)
 * Amrok River estuary Important Bird Area
 * Amur Falcon
 * Anambra Waxbill
 * Anbyon Field
 * Ancash Tapaculo
 * Ancient murrelet
 * Ancona duck
 * Andalgalornis
 * Andaman Bulbul
 * Andaman coucal
 * Andaman crake
 * Andaman Cuckoo-Dove
 * Andaman Cuckooshrike
 * Andaman drongo
 * Andaman Hawk-Owl
 * Andaman Nightjar
 * Andaman scops owl
 * Andaman serpent eagle
 * Andaman Teal
 * Andaman Treepie
 * Andaman wood pigeon
 * Andaman Woodpecker
 * Andean Cock-of-the-rock
 * Andean condor
 * Andean Crested Duck
 * Andean Emerald
 * Andean flamingo
 * Andean Flicker
 * Andean Goose
 * Andean Guan
 * Andean Hillstar
 * Andean Parakeet
 * Andean Pygmy Owl
 * Andean slaty thrush
 * Andean solitaire
 * Andean Teal
 * Anderson Inlet
 * Anderson Island (Tasmania)
 * Andrew Cockburn (ornithologist)
 * Andrew Jackson Grayson
 * Andrew John Berger
 * Andrew Smith (zoologist)
 * Andrewsornis
 * Angolan Batis
 * Angolan Cave Chat
 * Angolan lark
 * Angove Lake
 * Angus Hargreaves Robinson
 * Anhinga
 * Anhinga walterbolesi
 * ʻAnianiau
 * Anjouan Sparrowhawk
 * Ankober Serin
 * Anna's Hummingbird
 * Anna Plains Station
 * Annie Meinertzhagen
 * Annobón Paradise Flycatcher
 * Annobón White-eye
 * Anser Island
 * Anshi National Park
 * Anson Bay, Daly and Reynolds River Floodplains
 * Ansorge's Greenbul
 * Antarctic petrel
 * Antarctic Prion
 * Antarctic Tern
 * Antbird
 * Anteater Chat
 * Antillean Cave Rail
 * Antillean Crested Hummingbird
 * Antillean Euphonia
 * Antillean Mango
 * Antillean Nighthawk
 * Antillean Palm Swift
 * Antillean Piculet
 * Antillean Siskin
 * Antioquia Bristle Tyrant
 * Antioquia Wren
 * Antipodean Albatross
 * Antipodes Islands
 * Antipodes Snipe
 * Antpitta
 * ʻApapane
 * Aparima River
 * Apatornis
 * Apatosagittarius
 * Apéndice Island
 * Apical Flycatcher
 * Aplomado falcon
 * Apo Myna
 * Apo Sunbird
 * Apolinar's Wren
 * Apostlebird
 * Appert's Tetraka
 * Apricot-breasted Sunbird
 * Aptenodytes ridgeni
 * Apteribis
 * Apurímac Brush Finch
 * Apurímac Spinetail
 * Aquatic Warbler
 * Aquila (genus)
 * Aquila bullockensis
 * Arabian Accentor
 * Arabian Bustard
 * Arabian Partridge
 * Arabian Waxbill
 * Arabian Wheatear
 * Arafura Fantail
 * Arafura Swamp
 * Aralam Wildlife Sanctuary
 * Araluen-Wungong Important Bird Area
 * Aramus paludigrus
 * Aran Islands
 * Araripe Manakin
 * Araucaria Tit-Spinetail
 * Archaeopsittacus
 * Archaeopteryx
 * Archaeospheniscus lopdelli
 * Archaeospheniscus lowei
 * Archbold's Bowerbird
 * Archbold's Newtonia
 * Archbold's Owlet-nightjar
 * Archer's Buzzard
 * Archer's Lark
 * Archibald George Campbell
 * Archibald James Campbell
 * Archibald Thorburn
 * Arctic Goose Joint Venture
 * Arctic Redpoll
 * Arctic tern
 * Arctic warbler
 * Ardley Island
 * Areia Branca beach and hinterland
 * Arfak Astrapia
 * Arfak Honeyeater
 * Argentavis
 * Argus Bare-eye
 * Aride Island
 * Aripuana Antwren
 * Arizona Woodpecker
 * Arkaroola
 * Arlie William Schorger
 * Armenian Gull
 * Armstrong Reef
 * Arne RSPB reserve
 * Arnhem Plateau
 * Arnold Boyd
 * Arnold Robert McGill
 * Arrowhead Warbler
 * Arthur Augustus Allen
 * Arthur Cleveland Bent
 * Arthur Cox (ornithologist)
 * Arthur Harbour
 * Arthur Hay, 9th Marquess of Tweeddale
 * Arthur Holmes Howell
 * Arthur Humble Evans
 * Arthur Landsborough Thomson
 * Arthur Mattingley
 * Arthur Stark
 * Asan Barrage
 * Ascension Island
 * Aschau (Lachte)
 * Ash's Lark
 * Ash-throated Antwren
 * Ash-throated Casiornis
 * Ashana Game Reserve
 * Ashburton River / Hakatere
 * Ashdown Forest
 * Ashmore and Cartier Islands
 * Ashton Lever
 * Ashy-bellied White-eye
 * Ashy-breasted Flycatcher
 * Ashy-crowned Sparrow-Lark
 * Ashy-faced Owl
 * Ashy-headed Babbler
 * Ashy-headed Laughingthrush
 * Ashy-tailed Swift
 * Ashy-throated Bush Tanager
 * Ashy-throated Parrotbill
 * Ashy-throated Warbler
 * Ashy Bulbul
 * Ashy drongo
 * Ashy flowerpecker
 * Ashy Flycatcher
 * Ashy Minivet
 * Ashy Prinia
 * Ashy storm petrel
 * Ashy thrush
 * Ashy wood pigeon
 * Ashy Woodpecker
 * Ashy Woodswallow
 * Asian–East African Flyway
 * Asian Barred Owlet
 * Asian Brown Flycatcher
 * Asian Desert Warbler
 * Asian dowitcher
 * Asian emerald cuckoo
 * Asian Fairy-bluebird
 * Asian Glossy Starling
 * Asian house martin
 * Asian koel
 * Asian Openbill
 * Asian Palm Swift
 * Asian Paradise Flycatcher
 * Asian Short-toed Lark
 * Asian Stubtail
 * Asity
 * Askot Musk Deer Sanctuary
 * Aspland Island
 * Assam Laughingthrush
 * Astrapian Sicklebill
 * Astrebla Downs National Park
 * Atapaka Bird Sanctuary
 * Atauro Island
 * Athelney
 * Atherton Scrubwren
 * Atherton Tableland
 * Atitlán grebe
 * Atiu Swiftlet
 * Atlantic Canary
 * Atlantic Petrel
 * Atlantic puffin
 * Atlantic Royal Flycatcher
 * Atlas of Australian Birds
 * Atoll Fruit Dove
 * Atriceps Island
 * Attenborough Nature Reserve
 * Attiveri Bird Sanctuary
 * Attwater's Prairie Chicken
 * Au Sable State Forest
 * Auckland Island
 * Auckland Islands
 * Auckland Islands Shore Plover
 * Auckland merganser
 * Auckland Rail
 * Auckland Snipe
 * Auckland Teal
 * Audouin's Gull
 * Audubon's Oriole
 * Audubon's shearwater
 * Audubon Society of Western Pennsylvania
 * Aughris
 * Augur buzzard
 * Austen's Brown Hornbill
 * Austral Canastero
 * Austral Parakeet
 * Austral Pygmy Owl
 * Austral snipe
 * Austral thrush
 * Australasian bittern
 * Australasian Figbird
 * Australasian Gannet
 * Australasian Grebe
 * Australasian Ornithological Conference
 * Australasian pipit
 * Australasian Raptor Association
 * Australasian Seabird Group
 * Australasian Shoveler
 * Australasian treecreeper
 * Australasian Wader Studies Group
 * Australian Alps
 * Australian Bird and Bat Banding Scheme
 * Australian Bird Count
 * Australian Bird Study Association
 * Australian brushturkey
 * Australian Bustard
 * Australian Crake
 * Australian Golden Whistler
 * Australian Hobby
 * Australian King Parrot
 * Australian logrunner
 * Australian magpie
 * Australian Masked Owl
 * Australian mudnester
 * Australian Owlet-nightjar
 * Australian Painted-snipe
 * Australian pelican
 * Australian Pied Cormorant
 * Australian Pratincole
 * Australian raven
 * Australian Reed Warbler
 * Australian ringneck
 * Australian Shelduck
 * Australian Swiftlet
 * Australian white ibis
 * Australian Wood Duck
 * Australlus
 * Australo-Papuan babbler
 * Australornis
 * Australotadorna
 * Avian Island
 * Avisaurus
 * Avolatavis
 * Awrey Island
 * Aylesbeare Common
 * Aylesbury duck
 * Ayres's hawk-eagle
 * Azores Bullfinch
 * Azores Wood Pigeon
 * Aztec thrush
 * Azuero Dove
 * Azure-breasted Pitta
 * Azure-crested Flycatcher
 * Azure-hooded jay
 * Azure Dollarbird
 * Azure Jay
 * Azure kingfisher
 * Azure Tit
 * Babel Island
 * Bac Beag
 * Bac Mòr
 * Bachman's Sparrow
 * Bachman's Warbler
 * Badger Island
 * Baer's Pochard
 * Baglafecht Weaver
 * Bagobo Babbler
 * Bahama Mockingbird
 * Bahama Oriole
 * Bahama Swallow
 * Bahama Warbler
 * Bahama Woodstar
 * Bahama Yellowthroat
 * Bahaman Caracara
 * Bahia Antwren
 * Bahía Lomas
 * Bahia Spinetail
 * Bahia Tapaculo
 * Bahia Tyrannulet
 * Baie de Bouéni
 * Baie de l'Isle-Verte
 * Baie Larose
 * Baikal Bullfinch
 * Baikal Bush Warbler
 * Baikal teal
 * Baillarge Bay
 * Baillon's Crake
 * Baily Head
 * Baird's sandpiper
 * Baird's Sparrow
 * Baird Island
 * Baird Ornithological Club
 * Bakhira Sanctuary
 * Bal-chatri
 * Bald eagle
 * Bald Island
 * Bald Parrot
 * Balearic Shearwater
 * Bali Myna
 * Balicassiao
 * Balpakram
 * Balsas Screech Owl
 * Baltimore Oriole
 * Bamboo Warbler
 * Bamenda Apalis
 * Bananal Antbird
 * Bananaquit
 * Band-backed Wren
 * Band-bellied Crake
 * Band-rumped storm petrel
 * Band-rumped Swift
 * Band-tailed Antshrike
 * Band-tailed Antwren
 * Band-tailed Barbthroat
 * Band-tailed Hornero
 * Band-tailed Pigeon
 * Banda Myzomela
 * Banded bay cuckoo
 * Banded Cotinga
 * Banded Fruit Dove
 * Banded Green Sunbird
 * Banded ground cuckoo
 * Banded Honeyeater
 * Banded Kestrel
 * Banded Lapwing
 * Banded Martin
 * Banded Quail
 * Banded Stilt
 * Banded Wattle-eye
 * Banded Whiteface
 * Banded Woodpecker
 * Banded Wren
 * Bandhavgarh National Park
 * Bandipur National Park
 * Banggai crow
 * Bangwa Forest Warbler
 * Bank Cormorant
 * Bank Myna
 * Bank Swallow
 * Bankapura
 * Bankapura Peacock Sanctuary
 * Bannerghatta National Park
 * Bannerman's turaco
 * Bannerman's Weaver
 * Banni Grasslands Reserve
 * Bantam (poultry)
 * Baptornis
 * Bar-backed Partridge
 * Bar-bellied Cuckooshrike
 * Bar-bellied Woodcreeper
 * Bar-breasted firefinch
 * Bar-breasted Honeyeater
 * Bar-headed Goose
 * Bar-necked Cuckoo-Dove
 * Bar-shouldered Dove
 * Bar-tailed godwit
 * Bar-tailed Lark
 * Bar-tailed Treecreeper
 * Bar-tailed trogon
 * Bar-throated Apalis
 * Bar-throated minla
 * Bar-winged Flycatcher-shrike
 * Bar-winged Oriole
 * Bar-winged Prinia
 * Bar-winged Rail
 * Bar-winged weaver
 * Bar-winged Wood Wren
 * Barau's Petrel
 * Barawertornis
 * Barbados Bullfinch
 * Barbados Rail
 * Barbara De Wolfe
 * Barbara Kathleen Snow
 * Barbary Falcon
 * Barbary Partridge
 * Barbuda Warbler
 * Bare-cheeked Trogon
 * Bare-eyed Antbird
 * Bare-eyed Myna
 * Bare-eyed thrush
 * Bare-eyed white-eye
 * Bare-faced Curassow
 * Bare-headed Laughingthrush
 * Bare-legged owl
 * Bare-necked Fruitcrow
 * Bare-throated tiger heron
 * Bare-throated Whistler
 * Bargerveen Nature Reserve
 * Barka Indigobird
 * Barker Inlet
 * Barking Imperial Pigeon
 * Barking owl
 * Barmah-Millewa Important Bird Area
 * Barn owl
 * Barn swallow
 * Barnacle goose
 * Barnard Point
 * Barolo shearwater
 * Baron's Spinetail
 * Barra Head
 * Barratt's Warbler
 * Barred Antshrike
 * Barred Buttonquail
 * Barred Cuckoo-Dove
 * Barred Dove
 * Barred eagle-owl
 * Barred Forest Falcon
 * Barred Honeyeater
 * Barred Laughingthrush
 * Barred owl
 * Barred Puffbird
 * Barred Warbler
 * Barren Grounds Bird Observatory
 * Barren Grounds Nature Reserve
 * Barrington Tops National Park
 * Barron Gorge National Park
 * Barrow's goldeneye
 * Barrow Island (Western Australia)
 * Barton Point Nature Reserve
 * Basra Reed Warbler
 * Bassian thrush
 * Bat falcon
 * Bat Hawk
 * Bateleur
 * Bates's Nightjar
 * Bates's Paradise Flycatcher
 * Bates's Sunbird
 * Bates's Swift
 * Bates's Weaver
 * Bates Island
 * Bathoceleus hyphalus
 * Batis (bird)
 * Batoggisem, Dansem and Zamori Islands Important Bird Area
 * Baudin's Black Cockatoo
 * Baudo Guan
 * Baudó Oropendola
 * Bavaripsitta
 * Bawdrip
 * Bay-backed Shrike
 * Bay-breasted cuckoo
 * Bay-breasted Warbler
 * Bay-chested Warbling Finch
 * Bay-vented Cotinga
 * Bay Antpitta
 * Bay coucal
 * Bay Hornero
 * Bay Thrush
 * Bay Woodpecker
 * Baya Weaver
 * Baywing
 * Beach Stone-curlew
 * Beagle Island
 * Bean goose
 * Bear Creek Pioneers Park Wildlife Habitat/Aviary
 * Bear Island (Norway)
 * Beara Peninsula
 * Bearded Barbet
 * Bearded Bellbird
 * Bearded Guan
 * Bearded Helmetcrest
 * Bearded Mountaineer
 * Bearded Reedling
 * Bearded vulture
 * Beauchene Island
 * Beaudouin's snake eagle
 * Beautiful Firetail
 * Beautiful Fruit Dove
 * Beautiful Nuthatch
 * Beautiful Sibia
 * Beautiful Sunbird
 * Beautiful Treerunner
 * Beautiful Woodpecker
 * Beaver Island, Falkland Islands
 * Beck's Petrel
 * Bedford's Paradise Flycatcher
 * Bedout Island
 * Bee-eaters in Britain
 * Bee Hummingbird
 * Beesley Island
 * Beinn Dearg (Ullapool)
 * Bekisar
 * Belcher's gull
 * Belding's Yellowthroat
 * Belfast Lough
 * Belford's Melidectes
 * Bell's Sparrow
 * Bell's Vireo
 * Bell Miner
 * Bellarine Wetlands Important Bird Area
 * Bellenden Ker Range
 * Belted kingfisher
 * Belum-Temengor
 * Bempton Cliffs
 * Ben Boyd National Park
 * Ben Lomond National Park
 * Ben Wyvis
 * Benara
 * Bendigo Box-Ironbark Region
 * Bendire's Thrasher
 * Bengal Bush Lark
 * Bengal Florican
 * Bengangai Game Reserve
 * Benger Swamp
 * Benguela Long-billed Lark
 * Benicia State Recreation Area
 * Benjamin F. Goss
 * Benjamin Leadbeater
 * Bennu heron
 * Bensbach's Bird of Paradise
 * Benson's Rock Thrush
 * Bentley Beetham
 * Berlepsch's Canastero
 * Berlinguet Inlet
 * Bermuda Flicker
 * Bermuda flightless duck
 * Bermuda Night Heron
 * Bermuda petrel
 * Bernard Tucker
 * Bernard Tucker Medal
 * Bernd Heinrich
 * Berney Marshes RSPB reserve
 * Bernier's Vanga
 * Berrow, Somerset
 * Bertha's Beach Important Bird Area
 * Berthelot's Pipit
 * Bertram Smythies
 * Berwyn range
 * Berylline Hummingbird
 * Besra
 * Betsey Island
 * Bewick's wren
 * Bhindawas Wildlife Sanctuary
 * Biak Black Flycatcher
 * Biak coucal
 * Biak Gerygone
 * Biak Monarch
 * Biak Paradise Kingfisher
 * Biak scops owl
 * Biak Scrubfowl
 * Biak White-eye
 * Biamanga National Park
 * Bicknell's thrush
 * Bicol Ground Warbler
 * Bicoloured flowerpecker
 * Biddulph's Ground Jay
 * Big Black Reef
 * Big Caroline Rock
 * Big Desert Wilderness Park
 * Big Green Island
 * Big Lake (Alberta)
 * Big Otter Creek
 * Bill Lane
 * Bill Lishman
 * Bill Oddie
 * Billiatt Conservation Park
 * Bimaculated Lark
 * Bimbisula
 * Bindoon-Julimar Important Bird Area
 * Birchs Inlet
 * Bird City (wildfowl refuge)
 * Bird Island (Tasmania)
 * Bird Island, Falkland Islands
 * Bird Island, Seychelles
 * Bird Kingdom
 * Bird Observation & Conservation Australia
 * Bird Watching (magazine)
 * Birding with Bill Oddie
 * BirdLife Australia
 * Birds Australia – Victoria
 * Birds Australia Northern NSW
 * Birds Australia Western Australia
 * Birds Britannia
 * Birds Britannica
 * Birds of Ashmore Reef
 * Birds of Australia
 * Birds of Boigu, Saibai and Dauan Islands (Torres Strait)
 * Birds of Cornwall
 * Birds of Macquarie Island
 * Birds of New Zealand
 * Birds of North American boreal forests
 * Birds of the Amazon
 * Birds of the Central Indian Highlands
 * Birds of the Indiana Dunes
 * Birdwatch (magazine)
 * Birdwatchers' Field Club of Bangalore
 * Birmingham Roller
 * Bishop's ʻŌʻō
 * Bismarck Black Myzomela
 * Bismarck Hanging Parrot
 * Bismarck Kingfisher
 * Bismarck Whistler
 * Bismarck White-eye
 * Black-and-chestnut Eagle
 * Black-and-cinnamon Fantail
 * Black-and-gold Cotinga
 * Black-and-gold Tanager
 * Black-and-orange Flycatcher
 * Black-and-tawny Seedeater
 * Black-and-white-casqued Hornbill
 * Black-and-white Hawk-Eagle
 * Black-and-white mannikin
 * Black-and-white Monjita
 * Black-and-white Shrike-flycatcher
 * Black-and-white Tanager
 * Black-and-white Tody-Flycatcher
 * Black-and-white Triller
 * Black-and-white Warbler
 * Black-and-yellow Grosbeak
 * Black-backed bittern
 * Black-backed Butcherbird
 * Black-backed Forktail
 * Black-backed Oriole
 * Black-backed Tanager
 * Black-backed Thornbill
 * Black-backed thrush
 * Black-backed Tody-Flycatcher
 * Black-backed Water Tyrant
 * Black-backed Woodpecker
 * Black-banded Barbet
 * Black-banded Flycatcher
 * Black-banded Woodcreeper
 * Black-bellied Bustard
 * Black-bellied Cuckooshrike
 * Black-bellied firefinch
 * Black-bellied Gnateater
 * Black-bellied Myzomela
 * Black-bellied sandgrouse
 * Black-bellied seedcracker
 * Black-bellied Seedeater
 * Black-bellied storm petrel
 * Black-bellied Tern
 * Black-belted flowerpecker
 * Black-bibbed Cicadabird
 * Black-bibbed Monarch
 * Black-bibbed Tit
 * Black-billed Amazon
 * Black-billed Barbet
 * Black-billed cuckoo
 * Black-billed Gull
 * Black-billed koel
 * Black-billed Magpie
 * Black-billed nightingale-thrush
 * Black-billed Sicklebill
 * Black-billed Streamertail
 * Black-billed thrush
 * Black-billed turaco
 * Black-billed Weaver
 * Black-billed Wood Dove
 * Black-breasted Buttonquail
 * Black-breasted Buzzard
 * Black-breasted Hillstar
 * Black-breasted mannikin
 * Black-breasted Myzomela
 * Black-breasted Parrotbill
 * Black-breasted Puffleg
 * Black-breasted thrush
 * Black-breasted Weaver
 * Black-browed albatross
 * Black-browed Babbler
 * Black-browed Bushtit
 * Black-browed Fulvetta
 * Black-browed Reed Warbler
 * Black-capped Apalis
 * Black-capped Babbler
 * Black-capped Bulbul
 * Black-capped Chickadee
 * Black-capped donacobius
 * Black-capped Gnatcatcher
 * Black-capped Kingfisher
 * Black-capped Lory
 * Black-capped Parakeet
 * Black-capped Piprites
 * Black-capped Siskin
 * Black-capped Social Weaver
 * Black-capped Speirops
 * Black-capped Vireo
 * Black-capped Woodland Warbler
 * Black-casqued Hornbill
 * Black-cheeked Ant Tanager
 * Black-cheeked Gnateater
 * Black-cheeked Lovebird
 * Black-cheeked Waxbill
 * Black-chested Buzzard-Eagle
 * Black-chested snake eagle
 * Black-chested Sparrow
 * Black-chinned babbler
 * Black-chinned Fruit Dove
 * Black-chinned Honeyeater
 * Black-chinned Hummingbird
 * Black-chinned Laughingthrush
 * Black-chinned Monarch
 * Black-chinned Quailfinch
 * Black-chinned Siskin
 * Black-chinned Sparrow
 * Black-chinned Whistler
 * Black-chinned yuhina
 * Black-collared Apalis
 * Black-collared Jay
 * Black-collared Lovebird
 * Black-collared Starling
 * Black-cowled Oriole
 * Black-cowled Saltator
 * Black-crested Bulbul
 * Black-crested Coquette
 * Black-crested Tit
 * Black-crested Titmouse
 * Black-crowned babbler
 * Black-crowned Monjita
 * Black-crowned night heron
 * Black-crowned Sparrow-Lark
 * Black-crowned Tanager
 * Black-crowned Tchagra
 * Black-crowned Tityra
 * Black-crowned Waxbill
 * Black-crowned white-eye
 * Black-dotted Piculet
 * Black-eared cuckoo
 * Black-eared ground thrush
 * Black-eared Miner
 * Black-eared Oriole
 * Black-eared Shrike-babbler
 * Black-eared Wheatear
 * Black-faced Antthrush
 * Black-faced Bunting
 * Black-faced Cormorant
 * Black-faced coucal
 * Black-faced Cuckooshrike
 * Black-faced firefinch
 * Black-faced Friarbird
 * Black-faced Grassquit
 * Black-faced Hawk
 * Black-faced Ibis
 * Black-faced Laughingthrush
 * Black-faced Monarch
 * Black-faced munia
 * Black-faced Quailfinch
 * Black-faced Rufous Warbler
 * Black-faced sandgrouse
 * Black-faced Sheathbill
 * Black-faced solitaire
 * Black-faced Spoonbill
 * Black-faced Warbler
 * Black-faced Waxbill
 * Black-faced Woodswallow
 * Black-fronted Bushshrike
 * Black-fronted Dotterel
 * Black-fronted flowerpecker
 * Black-fronted Nunbird
 * Black-fronted Parakeet
 * Black-fronted Piping Guan
 * Black-fronted Tern
 * Black-fronted white-eye
 * Black-fronted Wood Quail
 * Black-goggled Tanager
 * Black-headed Antthrush
 * Black-headed Batis
 * Black-headed Berryeater
 * Black-headed Brush Finch
 * Black-headed Bulbul
 * Black-headed Bunting
 * Black-headed Canary
 * Black-headed Cuckooshrike
 * Black-headed Gonolek
 * Black-headed grosbeak
 * Black-headed gull
 * Black-headed heron
 * Black-headed Honeyeater
 * Black-headed Ibis
 * Black-headed Jay
 * Black-headed Lapwing
 * Black-headed Myzomela
 * Black-headed nightingale-thrush
 * Black-headed Oriole
 * Black-headed Parrot
 * Black-headed Parrotbill
 * Black-headed Pitta
 * Black-headed Saltator
 * Black-headed Shrike-babbler
 * Black-headed Tailorbird
 * Black-headed Waxbill
 * Black-headed Weaver
 * Black-hooded Antwren
 * Black-hooded coucal
 * Black-hooded Oriole
 * Black-hooded Sunbeam
 * Black-hooded thrush
 * Black-legged Dacnis
 * Black-legged kittiwake
 * Black-legged Seriema
 * Black-lored Parrot
 * Black-lored Waxbill
 * Black-mandibled Toucan
 * Black-naped Fruit Dove
 * Black-naped Monarch
 * Black-naped Oriole
 * Black-naped Tern
 * Black-necked Aracari
 * Black-necked crane
 * Black-necked cranes in Bhutan
 * Black-necked grebe
 * Black-necked Red Cotinga
 * Black-necked stilt
 * Black-necked Stork
 * Black-necked Wattle-eye
 * Black-necked Weaver
 * Black-necked Woodpecker
 * Black-necklaced Honeyeater
 * Black-nest Swiftlet
 * Black-polled Yellowthroat
 * Black-ringed White-eye
 * Black-rumped Buttonquail
 * Black-rumped Flameback
 * Black-rumped waxbill
 * Black-shouldered Kite
 * Black-shouldered Nightjar
 * Black-sided flowerpecker
 * Black-spectacled Brush Finch
 * Black-spotted Barbet
 * Black-striped Sparrow
 * Black-tailed Antbird
 * Black-tailed Crake
 * Black-tailed Gnatcatcher
 * Black-tailed godwit
 * Black-tailed gull
 * Black-tailed Monarch
 * Black-tailed Nativehen
 * Black-tailed Tityra
 * Black-tailed treecreeper
 * Black-tailed Trogon
 * Black-thighed Falconet
 * Black-thighed Puffleg
 * Black-throated Accentor
 * Black-throated Apalis
 * Black-throated blue warbler
 * Black-throated Bushtit
 * Black-throated coucal
 * Black-throated Euphonia
 * Black-throated Finch
 * Black-throated Gray Warbler
 * Black-throated Green Warbler
 * Black-throated honeyeater
 * Black-throated loon
 * Black-throated Magpie-Jay
 * Black-throated Mango
 * Black-throated munia
 * Black-throated Parrotbill
 * Black-throated Prinia
 * Black-throated robin
 * Black-throated Shrikebill
 * Black-throated Spinetail
 * Black-throated Sunbird
 * Black-throated Thistletail
 * Black-throated thrush
 * Black-throated Trogon
 * Black-throated Wattle-eye
 * Black-throated Wren-Babbler
 * Black-tipped Monarch
 * Black-vented Oriole
 * Black-vented shearwater
 * Black-whiskered Vireo
 * Black-winged Cuckooshrike
 * Black-winged Kite
 * Black-winged Lapwing
 * Black-winged Lory
 * Black-winged Lovebird
 * Black-winged Oriole
 * Black-winged Pratincole
 * Black-winged Red Bishop
 * Black-winged Saltator
 * Black-winged Starling
 * Black-winged stilt
 * Black Baza
 * Black Bee-eater
 * Black Bishop
 * Black bittern
 * Black Bulbul
 * Black Caracara
 * Black coucal
 * Black Crake
 * Black crowned crane
 * Black cuckoo
 * Black Curassow
 * Black currawong
 * Black Dove
 * Black drongo
 * Black Duck Joint Venture
 * Black Dwarf Hornbill
 * Black Eagle
 * Black Falcon
 * Black francolin
 * Black Grasswren
 * Black Grouse
 * Black Guan
 * Black Guillemot
 * Black Guineafowl
 * Black Harrier
 * Black Hawk-Eagle
 * Black heron
 * Black Honey Buzzard
 * Black honeyeater
 * Black Imperial Pigeon
 * Black Inca
 * Black Jacobin
 * Black kite
 * Black Lark
 * Black Lory
 * Black Mamo
 * Black mannikin
 * Black Metaltail
 * Black noddy
 * Black Nunbird
 * Black Oriole
 * Black oystercatcher
 * Black Partridge
 * Black Phoebe
 * Black Pyramid Rock
 * Black rail
 * Black Redstart
 * Black robin
 * Black Rosy Finch
 * Black Saw-wing
 * Black Scimitarbill
 * Black scoter
 * Black Scrub Robin
 * Black Shama
 * Black Sicklebill
 * Black skimmer
 * Black solitaire
 * Black Sparrowhawk
 * Black Spinetail
 * Black stilt
 * Black Stork
 * Black storm petrel
 * Black tern
 * Black thrush
 * Black turnstone
 * Black vulture
 * Black wheatear
 * Black Woodpecker
 * Blackburnian Warbler
 * Blackcap Babbler
 * Blackcap illadopsis
 * Blackish-grey Antshrike
 * Blackish Antbird
 * Blackish Cinclodes
 * Blackish Cuckooshrike
 * Blackish Pewee
 * Blackish Tapaculo
 * Blackpoll Warbler
 * Blacksmith Lapwing
 * Blackstart
 * Blackthroat
 * Blacktoft Sands RSPB reserve
 * Blackwater Estuary
 * Blakeney Point
 * Blanford's Lark
 * Blanford's Rosefinch
 * Blanford's Snowfinch
 * Blasket Islands
 * Blaze-winged Parakeet
 * Bleadon
 * Bleaker Island
 * Bloedel Floral Conservatory
 * Blomstrandhamna Bird Sanctuary
 * Blond-crested Woodpecker
 * Blood's Bird of Paradise
 * Blood-breasted flowerpecker
 * Blood-coloured Woodpecker
 * Blood-eared Parakeet
 * Blood Pheasant
 * Blossom-headed Parakeet
 * Blossomcrown
 * Blue-and-white Flycatcher
 * Blue-and-white Kingfisher
 * Blue-and-white Mockingbird
 * Blue-and-white Swallow
 * Blue-and-yellow Macaw
 * Blue-and-yellow Tanager
 * Blue-backed Manakin
 * Blue-backed Parrot
 * Blue-banded Kingfisher
 * Blue-banded Pitta
 * Blue-bearded Bee-eater
 * Blue-bellied Parrot
 * Blue-bellied Roller
 * Blue-billed Curassow
 * Blue-billed Duck
 * Blue-billed Malimbe
 * Blue-black grassquit
 * Blue-breasted Bee-eater
 * Blue-breasted Blue Flycatcher
 * Blue-breasted Fairywren
 * Blue-breasted Kingfisher
 * Blue-capped cordon-bleu
 * Blue-capped Fruit Dove
 * Blue-capped Ifrit
 * Blue-capped Redstart
 * Blue-capped Rock Thrush
 * Blue-cheeked Amazon
 * Blue-cheeked Bee-eater
 * Blue-cheeked flowerpecker
 * Blue-chinned Sapphire
 * Blue-collared Parrot
 * Blue-crowned Hanging Parrot
 * Blue-crowned Laughingthrush
 * Blue-crowned Lorikeet
 * Blue-crowned Motmot
 * Blue-crowned Parakeet
 * Blue-crowned Racket-tail
 * Blue-crowned Trogon
 * Blue-eared Barbet
 * Blue-eared Kingfisher
 * Blue-eared Lory
 * Blue-eyed Cockatoo
 * Blue-eyed ground dove
 * Blue-faced honeyeater
 * Blue-faced malkoha
 * Blue-faced Parrotfinch
 * Blue-faced Rail
 * Blue-footed booby
 * Blue-fronted Amazon
 * Blue-fronted Blue Flycatcher
 * Blue-fronted Lorikeet
 * Blue-fronted Redstart
 * Blue-fronted Robin
 * Blue-gray Gnatcatcher
 * Blue-gray Tanager
 * Blue-headed Bee-eater
 * Blue-headed coucal
 * Blue-headed Crested Flycatcher
 * Blue-headed Macaw
 * Blue-headed Parrot
 * Blue-headed Pitta
 * Blue-headed Quail-Dove
 * Blue-headed Racket-tail
 * Blue-headed Vireo
 * Blue-headed Wood Dove
 * Blue-mantled Crested Flycatcher
 * Blue-masked leafbird
 * Blue-moustached Bee-eater
 * Blue-naped Chlorophonia
 * Blue-naped Mousebird
 * Blue-naped Parrot
 * Blue-naped Pitta
 * Blue-rumped Parrot
 * Blue-shouldered Robin-Chat
 * Blue-spotted Wood Dove
 * Blue-tailed Bee-eater
 * Blue-tailed Emerald
 * Blue-tailed Hummingbird
 * Blue-throated Barbet
 * Blue-throated Blue Flycatcher
 * Blue-throated Brown Sunbird
 * Blue-throated Macaw
 * Blue-throated Mountaingem
 * Blue-throated Roller
 * Blue-throated Toucanet
 * Blue-tufted Starthroat
 * Blue-winged Goose
 * Blue-winged Kookaburra
 * Blue-winged Laughingthrush
 * Blue-winged Leafbird
 * Blue-winged Macaw
 * Blue-winged minla
 * Blue-winged Parakeet
 * Blue-winged Parrot
 * Blue-winged Parrotlet
 * Blue-winged Pitta
 * Blue-winged Racket-tail
 * Blue-winged teal
 * Blue-winged Warbler
 * Blue Bird-of-paradise
 * Blue bunting
 * Blue Chaffinch
 * Blue coua
 * Blue crane
 * Blue Dacnis
 * Blue duck
 * Blue Eared Pheasant
 * Blue Finch
 * Blue grosbeak
 * Blue jay
 * Blue Korhaan
 * Blue Lorikeet
 * Blue Manakin
 * Blue Mockingbird
 * Blue Mountain Vireo
 * Blue Mud Bay
 * Blue Nuthatch
 * Blue Paradise Flycatcher
 * Blue Petrel
 * Blue Quail
 * Blue Rock Thrush
 * Blue Swallow
 * Blue Vanga
 * Blue waxbill
 * Blue whistling thrush
 * Bluebonnet (bird)
 * Bluethroat
 * Bluish Flowerpiercer
 * Blunt-winged Warbler
 * Bluntschli's Vanga
 * Blyth's Hawk-Eagle
 * Blyth's Hornbill
 * Blyth's Kingfisher
 * Blyth's Leaf Warbler
 * Blyth's Pipit
 * Blyth's Reed Warbler
 * Blyth's Shrike-babbler
 * Blyth's Swift
 * Blyth's Tragopan
 * Boa Entrada
 * Boas River
 * Boat-billed Flycatcher
 * Boat-billed heron
 * Boat-billed Tody-Tyrant
 * Boat-tailed Grackle
 * Boatswain Bay
 * Boatswain Bay Migratory Bird Sanctuary
 * Boatswain Bird Island
 * Bob-tailed Weaver
 * Bob Green (naturalist)
 * Bob Scott (ornithologist)
 * Bobolink
 * Bocage's Bushshrike
 * Bodmin Moor
 * Bogotá Rail
 * Boheman Bird Sanctuary
 * Bohemian waxwing
 * Bohol Sunbird
 * Bokikokiko
 * Bokmakierie
 * Bolivian Blackbird
 * Bolivian Brush Finch
 * Bolivian Earthcreeper
 * Bolivian Recurvebill
 * Bolivian Slaty Antshrike
 * Bolivian Spinetail
 * Bolivian Warbling Finch
 * Bolle's pigeon
 * Bollons Island
 * Bonal Bird Sanctuary
 * Bonaparte's Parakeet
 * Bonelli's Eagle
 * Bonin grosbeak
 * Bonin nankeen night heron
 * Bonin petrel
 * Bonin thrush
 * Bonin white-eye
 * Bonin wood pigeon
 * Booby Island (Kimberley)
 * Booby Pond Nature Reserve
 * Boodjamulla National Park
 * Boolcoomatta Reserve
 * Boolcoomatta, Bindarrah and Kalkaroo Stations Important Bird Area
 * Boondall Wetlands
 * Boondelbah Island
 * Booted Eagle
 * Booted Racket-tail
 * Booted Warbler
 * Booterstown marsh
 * Border Ranges National Park
 * Borðoy
 * Boreal Chickadee
 * Boreal owl
 * Bornean Banded Pitta
 * Bornean Barbet
 * Bornean Black Magpie
 * Bornean Blue Flycatcher
 * Bornean Bristlehead
 * Bornean Bulbul
 * Bornean Forktail
 * Bornean Frogmouth
 * Bornean ground cuckoo
 * Bornean leafbird
 * Bornean Peacock-Pheasant
 * Bornean Stubtail
 * Bornean Swiftlet
 * Bornean Treepie
 * Bornean Whistler
 * Bornean Whistling Thrush
 * Bornean Wren-Babbler
 * Borneo Thrush
 * Botanic Park and Salina Reserve Important Bird Area
 * Botha's Lark
 * Botteri's Sparrow
 * Boucard's Wren
 * Boudeuse Island
 * Bougainville Honeyeater
 * Boundary Bay
 * Bountiful Islands
 * Bounty Islands
 * Bounty Shag
 * Bourke's Parrot
 * Bournda National Park
 * Bourne's heron
 * Bouvet Island
 * Bower's shrikethrush
 * Boxen Island
 * Boyd's Shearwater
 * Boyd Alexander
 * Boyd Robert Horsbrugh
 * Brace's Emerald
 * Bradfield's Hornbill
 * Bradford Torrey
 * Brading Marshes RSPB reserve
 * Bradley C. Livezey
 * Brahminy Kite
 * Brahminy Starling
 * Brambling
 * Bran-colored Flycatcher
 * Brandt's Mountain Finch
 * Brant goose
 * Branta rhuax
 * Brasília Tapaculo
 * Brass's Friarbird
 * Brassy-breasted Tanager
 * Braun's Bushshrike
 * Brazilian Ruby
 * Brazilian Teal
 * Breaker Island
 * Breaksea Islands (Tasmania)
 * Brean
 * Brecon Buff Goose
 * Brehm's Tiger Parrot
 * Brent Knoll
 * Brent Knoll (village)
 * Brent Knoll Camp
 * Brewer's sparrow
 * Breydon Water
 * Brian Houghton Hodgson
 * Bridgwater
 * Bridled honeyeater
 * Bridled Quail-Dove
 * Bridled Sparrow
 * Bridled tern
 * Bridled Titmouse
 * Bridled white-eye
 * Briggs Islet
 * Bright-rumped Attila
 * Brigida's Woodcreeper
 * Brimstone Canary
 * Brisbane Water
 * Bristle-nosed Barbet
 * Bristle-thighed curlew
 * Bristled Grassbird
 * British avifauna
 * British Birds (magazine)
 * British Birds Rarities Committee
 * British Birdwatching Fair
 * British finches
 * British Ornithologists' Club
 * British Ornithologists' Union
 * British Ornithologists' Union Records Committee
 * British Show Racer
 * British Trust for Ornithology
 * Broad-billed Hummingbird
 * Broad-billed Moa
 * Broad-billed Prion
 * Broad-billed sandpiper
 * Broad-billed Tody
 * Broad-billed Warbler
 * Broad-tailed Grassbird
 * Broad-tailed Hummingbird
 * Broad-tailed Paradise Whydah
 * Broad-tipped Hermit
 * Broad-winged hawk
 * Broad Sound (Queensland)
 * Brodeur Peninsula
 * Brodribb River
 * Brolga
 * Brontornis
 * Bronze-tailed Comet
 * Bronze-tailed Peacock-Pheasant
 * Bronze-tailed starling
 * Bronze-winged Courser
 * Bronze-winged Jacana
 * Bronze-winged Parrot
 * Bronze-winged Woodpecker
 * Bronze mannikin
 * Bronze Parotia
 * Bronze Shag
 * Bronzed cowbird
 * Bronzed drongo
 * Bronzy Hermit
 * Bronzy Jacamar
 * Brook Islands National Park
 * Brooks's Leaf Warbler
 * Broome Bird Observatory
 * Brown-and-yellow Marshbird
 * Brown-backed Chat-Tyrant
 * Brown-backed Honeybird
 * Brown-backed Mockingbird
 * Brown-backed Needletail
 * Brown-backed Parrotlet
 * Brown-backed Scrub Robin
 * Brown-backed solitaire
 * Brown-backed Whistler
 * Brown-banded Antpitta
 * Brown-banded Puffbird
 * Brown-banded Rail
 * Brown-breasted Flycatcher
 * Brown-capped Babbler
 * Brown-capped Fantail
 * Brown-capped Laughingthrush
 * Brown-capped Rosy Finch
 * Brown-capped Weaver
 * Brown-capped Woodpecker
 * Brown-cheeked Fulvetta
 * Brown-cheeked Hornbill
 * Brown-cheeked Laughingthrush
 * Brown-chested alethe
 * Brown-chested Barbet
 * Brown-chested Lapwing
 * Brown-crested Flycatcher
 * Brown-crowned Tchagra
 * Brown-eared Bulbul
 * Brown-flanked Bush Warbler
 * Brown-flanked Tanager
 * Brown-fronted Woodpecker
 * Brown-headed Apalis
 * Brown-headed Barbet
 * Brown-headed Cowbird
 * Brown-headed crow
 * Brown-headed Gull
 * Brown-headed Honeyeater
 * Brown-headed Nuthatch
 * Brown-headed Paradise Kingfisher
 * Brown-headed Parrot
 * Brown-headed thrush
 * Brown-hooded Kingfisher
 * Brown-necked raven
 * Brown-rumped Bunting
 * Brown-streaked Flycatcher
 * Brown-tailed Rock Chat
 * Brown-throated Barbet
 * Brown-throated fulvetta
 * Brown-throated Martin
 * Brown-throated Sunbird
 * Brown-throated Wattle-eye
 * Brown-throated Wren
 * Brown-winged Kingfisher
 * Brown-winged Parrotbill
 * Brown-winged Schiffornis
 * Brown-winged Whistling Thrush
 * Brown Accentor
 * Brown Babbler
 * Brown Bluff
 * Brown booby
 * Brown Bullfinch
 * Brown Bush Warbler
 * Brown Crake
 * Brown Creeper
 * Brown Dipper
 * Brown Eared Pheasant
 * Brown Falcon
 * Brown Firefinch
 * Brown fish owl
 * Brown Gerygone
 * Brown Goshawk
 * Brown Hawk-Owl
 * Brown honeyeater
 * Brown illadopsis
 * Brown Inca
 * Brown Jay
 * Brown Lory
 * Brown Nightjar
 * Brown noddy
 * Brown Nunlet
 * Brown Parisoma
 * Brown Parrotbill
 * Brown pelican
 * Brown Quail
 * Brown Rock Chat
 * Brown Shrike
 * Brown Sicklebill
 * Brown Skua
 * Brown snake eagle
 * Brown Songlark
 * Brown Tanager
 * Brown Teal
 * Brown Thornbill
 * Brown thrasher
 * Brown Tit-Babbler
 * Brown Treecreeper
 * Brown Trembler
 * Brown Twinspot
 * Brown Violetear
 * Brown Wood Owl
 * Brownish-headed Antbird
 * Brownish Elaenia
 * Brownsea Island
 * Brubru
 * Bruce's Green Pigeon
 * Bruce Beehler
 * Bruce Campbell (ornithologist)
 * Brue Valley Living Landscape
 * Bruny Island
 * Brush Bronzewing
 * Brush cuckoo
 * Bryan's shearwater
 * Buchan Gulf
 * Buchanan Point
 * Buckenham Marshes RSPB reserve
 * Buckingham Bay
 * Buckley River Important Bird Area
 * Budderoo National Park
 * Budgerigar
 * Budgerigar colour genetics
 * Budgewoi Lake
 * Buff-banded Rail
 * Buff-barred Warbler
 * Buff-bellied Hermit
 * Buff-bellied Hummingbird
 * Buff-bellied mannikin
 * Buff-bellied Monarch
 * Buff-bellied Pipit
 * Buff-bellied Tanager
 * Buff-bellied Warbler
 * Buff-breasted Babbler
 * Buff-breasted Buttonquail
 * Buff-breasted Flycatcher
 * Buff-breasted Mountain Tanager
 * Buff-breasted sandpiper
 * Buff-breasted Tody-Tyrant
 * Buff-breasted Wren
 * Buff-bridled Inca Finch
 * Buff-browed Chachalaca
 * Buff-cheeked Tody-Flycatcher
 * Buff-chested babbler
 * Buff-collared Nightjar
 * Buff-faced Pygmy Parrot
 * Buff-fronted Foliage-gleaner
 * Buff-headed coucal
 * Buff-necked Ibis
 * Buff-rumped Thornbill
 * Buff-sided robin
 * Buff-spotted Flufftail
 * Buff-spotted Woodpecker
 * Buff-tailed Coronet
 * Buff-tailed Sicklebill
 * Buff-throated Apalis
 * Buff-throated Purpletuft
 * Buff-throated Saltator
 * Buff-throated Sunbird
 * Buff-throated Warbler
 * Buff-throated Woodcreeper
 * Buff Duck
 * Buffy Laughingthrush
 * Buffy Pipit
 * Buffy Tuftedcheek
 * Bugun Liocichla
 * Bukit Timah Nature Reserve
 * Bulgunnia Station
 * Bull Point
 * Buller's Albatross
 * Buller's shearwater
 * Bullockornis
 * Bulloo River
 * Bulunkul
 * Bulunkul and Yashilkul lakes and mountains Important Bird Area
 * Bulwer's petrel
 * Bulwer's Pheasant
 * Bumdeling Wildlife Sanctuary
 * Bundarra-Barraba Important Bird Area
 * Bunya Mountains National Park
 * Burmese Bush Lark
 * Burmese Shrike
 * Burmese yuhina
 * Burnham-on-Sea
 * Burnished-buff Tanager
 * Burrow Mump
 * Burrowbridge
 * Burrowing owl
 * Burrowing Owl Conservation Network
 * Burt Monroe
 * Burton Mere Wetlands
 * Buru Cuckooshrike
 * Buru Golden Bulbul
 * Buru Honeyeater
 * Buru Mountain Pigeon
 * Buru Racket-tail
 * Buru thrush
 * Buru White-eye
 * Bush Blackcap
 * Bush Moa
 * Bush Petronia
 * Bush Stone-curlew
 * Bush turkey
 * Bushveld Pipit
 * Bushwren
 * Bushy-crested Jay
 * Buskett Gardens
 * Bussex Rhine
 * Butcherbird
 * Buteogallus borrasi
 * Butler's Corella
 * Butterfly World
 * Buttertubs Marsh
 * Buzzing flowerpecker
 * Bwindi Impenetrable National Park
 * Byers Peninsula
 * Bylot Island
 * Bylot Island Migratory Bird Sanctuary
 * C. Douglas Deane
 * C. G. Finch-Davies
 * Caatinga Antwren
 * Caatinga Cacholote
 * Caatinga Parakeet
 * Cabanis's Bunting
 * Cabanis's Greenbul
 * Cabanis's Tanager
 * Cabbage Tree Island
 * Cabot's Tragopan
 * Cabot Head
 * Cachar wedge-billed babbler
 * Cackling goose
 * Cactus Canastero
 * Cactus Wren
 * Cadell and Blyth Floodplains
 * Caerlaverock National Nature Reserve
 * Cahow
 * Cairn na Burgh Beag
 * Cairn na Burgh Mòr
 * Cairnburgh Castle
 * Calandra Lark
 * Calayan Rail
 * California Clapper Rail
 * California condor
 * California Gnatcatcher
 * California gull
 * California Least Tern
 * California quail
 * California Thrasher
 * California Towhee
 * Californian Turkey
 * Calingiri Important Bird Area
 * Callaeidae
 * Calliope Hummingbird
 * Calyptophilus
 * Camargue
 * Cambodian Tailorbird
 * Cambridge Point
 * Cameroon Greenbul
 * Cameroon Indigobird
 * Cameroon Olive Greenbul
 * Cameroon olive pigeon
 * Cameroon Sunbird
 * Camiguin Hanging Parrot
 * Camiguin Hawk-Owl
 * Campbell Albatross
 * Campbell Island group
 * Campbell Island, New Zealand
 * Campbell Shag
 * Campbell Snipe
 * Campbell Teal
 * Campina Jay
 * Campo Flicker
 * Canada goose
 * Canada Warbler
 * Canadaga
 * Canadian Intermountain Joint Venture
 * Canarian Houbara
 * Canary Islands Chiffchaff
 * Canary Islands Oystercatcher
 * Canary Islands Quail
 * Canary Islands Stonechat
 * Canary White-eye
 * Canberra Ornithologists Group
 * Cannington, Somerset
 * Canvasback
 * Canyon Canastero
 * Canyon Towhee
 * Canyon Wren
 * Cape Barren Goose
 * Cape Batis
 * Cape Bowles
 * Cape Bulbul
 * Cape Bunting
 * Cape Canary
 * Cape Clapper Lark
 * Cape crow
 * Cape Davidson
 * Cape Evensen
 * Cape Gannet
 * Cape Garry
 * Cape Geddes
 * Cape Graham Moore
 * Cape Grassbird
 * Cape Hansen
 * Cape Hay
 * Cape Hooker (South Shetland Islands)
 * Cape Kidnappers
 * Cape Liddon
 * Cape Longclaw
 * Cape Lookout (South Shetland Islands)
 * Cape May Bird Observatory
 * Cape May Warbler
 * Cape Melville (South Shetland Islands)
 * Cape Parrot
 * Cape Parry
 * Cape Pembroke (Nunavut)
 * Cape Penduline Tit
 * Cape Petrel
 * Cape Portland, Tasmania
 * Cape Pygmy Owl
 * Cape Robertson
 * Cape Robin-Chat
 * Cape rockjumper
 * Cape Sable Seaside Sparrow
 * Cape Searle
 * Cape Shirreff
 * Cape Shoveler
 * Cape Siskin
 * Cape sparrow
 * Cape Spurfowl
 * Cape Sugarbird
 * Cape Teal
 * Cape Vera
 * Cape Verde shearwater
 * Cape Verde Storm Petrel
 * Cape Verde Swift
 * Cape Verde Warbler
 * Cape Vulture
 * Cape Wagtail
 * Cape Wallace
 * Cape Weaver
 * Cape White-eye
 * Cape Whitson
 * Cape Wollaston
 * Cape Woolamai, Victoria
 * Cape York to Cape Grenville Islands Important Bird Area
 * Capertee Valley
 * Capped heron
 * Capped Wheatear
 * Capricorn Silvereye
 * Capricornia Cays National Park
 * Capuchin Babbler
 * Capuchinbird
 * Caquetá Seedeater
 * Caracas Brush Finch
 * Caracas Tapaculo
 * Carajás Woodcreeper
 * Carbonated Sierra Finch
 * Carcass Island
 * Carden, Ontario
 * Cardinal Myzomela
 * Cardinal Woodpecker
 * Carib Grackle
 * Caribbean Coot
 * Caribbean Dove
 * Caribbean Elaenia
 * Caribbean Martin
 * Carl Alexander Gibson-Hill
 * Carl R. Eklund
 * Carlingford Lough
 * Carmelite Sunbird
 * Carnaby's Black Cockatoo
 * Carnac Island
 * Carolina Chickadee
 * Carolina parakeet
 * Carolina Wren
 * Caroline Dormon
 * Carp's Tit
 * Carpentarian Grasswren
 * Carrion crow
 * Carrizal Seedeater
 * Carruthers's Cisticola
 * Carunculated Caracara
 * Carunculated Fruit Dove
 * Cascades Raptor Center
 * Cascumpec Bay
 * Caspian Gull
 * Caspian Plover
 * Caspian Snowcock
 * Caspian tern
 * Caspian Tit
 * Cassin's auklet
 * Cassin's finch
 * Cassin's Flycatcher
 * Cassin's hawk-eagle
 * Cassin's Honeybird
 * Cassin's Kingbird
 * Cassin's Malimbe
 * Cassin's Sparrow
 * Cassin's Spinetail
 * Cassin's Vireo
 * Castle Espie
 * Cat Island (Tasmania)
 * Cataby Important Bird Area
 * Catcott
 * Catcott, Edington and Chilton Moors
 * Cathayornis
 * Cattle egret
 * Cauca Guan
 * Caucasian Great Rosefinch
 * Caucasian Grouse
 * Caucasian Snowcock
 * Cauls Pond
 * Cave swallow
 * Cayenne Nightjar
 * Cebu Flowerpecker
 * Cebu Hanging Parrot
 * Cebu hawk-owl
 * Cecil Boden Kloss
 * Cecil Hoskins Nature Reserve
 * Cedar waxwing
 * Celestial Monarch
 * Cemlyn Bay and lagoon
 * Central American Pygmy Owl
 * Central Asian Flyway
 * Central Catchment Nature Reserve
 * Central Mangrove Wetland
 * Central mountain range of Ilha de São Nicolau Important Bird Area
 * Central NSW Mallee Important Bird Area
 * Centre Hills
 * Centre Island (Te Anau)
 * Centropus colossus
 * Ceramornis
 * Cercomela
 * Cereopsis novaehollandiae grisea
 * Cerulean-capped Manakin
 * Cerulean Cuckooshrike
 * Cerulean Kingfisher
 * Cerulean Paradise Flycatcher
 * Cerulean Warbler
 * Cetti's Warbler
 * Ceylon Paradise-flycatcher
 * Chabert Vanga
 * Chaco Chachalaca
 * Chad Firefinch
 * Chalk-browed Mockingbird
 * Chalky Island (Tasmania)
 * Chalky, Big Green and Badger Island Groups Important Bird Area
 * Chandler Robbins
 * Changeable Hawk-Eagle
 * Channel-billed Toucan
 * Chantry Island (Ontario)
 * Chapada Flycatcher
 * Chapin's Babbler
 * Chapin's Crombec
 * Chaplin's barbet
 * Charles-Eusèbe Dionne
 * Charles B. Cory
 * Charles Bendire
 * Charles Chubb (ornithologist)
 * Charles Darwin Reserve
 * Charles Dixon (ornithologist)
 * Charles Ernest William Bryant
 * Charles Foster Batchelder
 * Charles Frederic Belcher
 * Charles George Nurse
 * Charles Haskins Townsend
 * Charles Henry Tilson Marshall
 * Charles Johnson Maynard
 * Charles Leslie Barrett
 * Charles Oldham
 * Charles Ottley Groom Napier
 * Charles Rollin Keyes
 * Charles Sibley
 * Charles Swinhoe
 * Charles Thorold Wood
 * Charles Tunnicliffe
 * Charles Vaurie
 * Charles Wallace Richmond
 * Charles Walter De Vis
 * Chatham Albatross
 * Chatham bellbird
 * Chatham Coot
 * Chatham Duck
 * Chatham fernbird
 * Chatham Gerygone
 * Chatham kaka
 * Chatham Oystercatcher
 * Chatham Parakeet
 * Chatham Penguin
 * Chatham Petrel
 * Chatham pigeon
 * Chatham Rail
 * Chatham raven
 * Chatham Shag
 * Chatham Snipe
 * Chatham Tomtit
 * Chattering Cisticola
 * Chattering Kingfisher
 * Chattering Lory
 * Cheal Point
 * Checker-throated Antwren
 * Checker-throated Woodpecker
 * Checkered Woodpecker
 * Cheddar Yeo
 * Chedzoy
 * Cheer Pheasant
 * Cheeseman Island
 * Cheetham and Altona Important Bird Area
 * Chek Jawa
 * Chendytes
 * Cherrie's Tanager
 * Chesil Beach
 * Chestnut-backed Bush Warbler
 * Chestnut-backed Buttonquail
 * Chestnut-backed Chickadee
 * Chestnut-backed Laughingthrush
 * Chestnut-backed Owlet
 * Chestnut-backed Quail-thrush
 * Chestnut-backed Sparrow-Lark
 * Chestnut-backed Thornbird
 * Chestnut-backed thrush
 * Chestnut-bellied Flowerpiercer
 * Chestnut-bellied Hummingbird
 * Chestnut-bellied Imperial Pigeon
 * Chestnut-bellied Monarch
 * Chestnut-bellied Mountain Tanager
 * Chestnut-bellied Nuthatch
 * Chestnut-bellied Partridge
 * Chestnut-bellied Rock Thrush
 * Chestnut-bellied sandgrouse
 * Chestnut-bellied Starling
 * Chestnut-bellied thrush
 * Chestnut-belted Gnateater
 * Chestnut-breasted mannikin
 * Chestnut-breasted Mountain Finch
 * Chestnut-breasted nigrita
 * Chestnut-breasted Partridge
 * Chestnut-breasted Quail-thrush
 * Chestnut-breasted Whiteface
 * Chestnut-capped babbler
 * Chestnut-capped Brush Finch
 * Chestnut-capped Flycatcher
 * Chestnut-capped Piha
 * Chestnut-capped Puffbird
 * Chestnut-capped thrush
 * Chestnut-cheeked Starling
 * Chestnut-collared Longspur
 * Chestnut-coloured Woodpecker
 * Chestnut-crested yuhina
 * Chestnut-crowned Babbler
 * Chestnut-crowned Becard
 * Chestnut-crowned Bush Warbler
 * Chestnut-crowned Laughingthrush
 * Chestnut-crowned Sparrow-Weaver
 * Chestnut-crowned Warbler
 * Chestnut-eared Aracari
 * Chestnut-eared Bunting
 * Chestnut-faced babbler
 * Chestnut-flanked Sparrowhawk
 * Chestnut-flanked White-eye
 * Chestnut-fronted Macaw
 * Chestnut-headed Bee-eater
 * Chestnut-headed Flufftail
 * Chestnut-headed Nunlet
 * Chestnut-headed Tesia
 * Chestnut-hooded Laughingthrush
 * Chestnut-mandibled Toucan
 * Chestnut-naped Francolin
 * Chestnut-necklaced Partridge
 * Chestnut-quilled Rock Pigeon
 * Chestnut-rumped Heathwren
 * Chestnut-rumped Thornbill
 * Chestnut-sided Warbler
 * Chestnut-tailed Starling
 * Chestnut-vented Nuthatch
 * Chestnut-vented Warbler
 * Chestnut-winged Chachalaca
 * Chestnut-winged cuckoo
 * Chestnut-winged Hookbill
 * Chestnut-winged Starling
 * Chestnut Antpitta
 * Chestnut Bunting
 * Chestnut munia
 * Chestnut Rail
 * Chestnut Seedeater
 * Chestnut sparrow
 * Chestnut Teal
 * Chestnut Thrush
 * Chestnut Wattle-eye
 * Chestnut Wood Quail
 * Chestnut Woodpecker
 * Chew Valley Lake
 * Cheyne Islands
 * Chignecto Bay
 * Chiguanco thrush
 * Chihuahuan raven
 * Chilbosan (North Hamgyong)
 * Chilean flamingo
 * Chilean Hawk
 * Chilean Mockingbird
 * Chilean Pintail
 * Chilean Seaside Cinclodes
 * Chilean Skua
 * Chilean Woodstar
 * Chilika Lake
 * Chiloé Wigeon
 * Chiltern-Mount Pilot National Park
 * Chilton Polden
 * Chilton Trinity
 * Chiming Wedgebill
 * Chinese Babax
 * Chinese Bush Warbler
 * Chinese egret
 * Chinese Francolin
 * Chinese Grassbird
 * Chinese Grey Shrike
 * Chinese Hill Warbler
 * Chinese Hwamei
 * Chinese Monal
 * Chinese Nuthatch
 * Chinese pond heron
 * Chinese sparrowhawk
 * Chinese thrush
 * Chinspot Batis
 * Chinstrap Cove
 * Chinstrap Penguin
 * Chintamoni Kar Bird Sanctuary
 * Chippewa Nature Center
 * Chipping Sparrow
 * Chiribiquete Emerald
 * Chirruping Wedgebill
 * Chitrangudi Bird Sanctuary
 * Chloridops
 * Chlorostilbon
 * Chocó Screech Owl
 * Choco Toucan
 * Chocó Trogon
 * Choco Tyrannulet
 * Chocó Vireo
 * Chocolate-backed Kingfisher
 * Chocolate Boobook
 * Choiseul pigeon
 * Chongchon River
 * Chongdan Field
 * Chopi blackbird
 * Chotoy Spinetail
 * Chowchilla
 * Chris Mead
 * Chris Perrins
 * Christman Bird and Wildlife Sanctuary
 * Christmas Emerald Dove
 * Christmas Frigatebird
 * Christmas Goshawk
 * Christmas Imperial Pigeon
 * Christmas Island
 * Christmas Island (Tasmania)
 * Christmas Swiftlet
 * Christmas Thrush
 * Christoffersen Island
 * Christopher Helm
 * Christopher James Alexander
 * Christopher Merret
 * Chubb's Cisticola
 * Chubut Steamer Duck
 * Chuck-will's-widow
 * Chukar partridge
 * Chunga (bird)
 * Ciconia louisebolesae
 * Ciconia maltha
 * Ciconia nana
 * Cierva Point and offshore islands Important Bird Area
 * Çiğli
 * Cimolopteryx
 * Cinclodes
 * Cinderella Waxbill
 * Cinereous Bunting
 * Cinereous Finch
 * Cinereous tit
 * Cinereous Vulture
 * Cinereous Warbling Finch
 * Cinnabar Boobook
 * Cinnamon-banded Kingfisher
 * Cinnamon-bellied Ground Tyrant
 * Cinnamon-bellied Imperial Pigeon
 * Cinnamon-breasted Bunting
 * Cinnamon-breasted Whistler
 * Cinnamon-browed Melidectes
 * Cinnamon-chested Flycatcher
 * Cinnamon-headed Green Pigeon
 * Cinnamon-rumped Trogon
 * Cinnamon-tailed Fantail
 * Cinnamon-tailed Sparrow
 * Cinnamon-throated Hermit
 * Cinnamon-vented Piha
 * Cinnamon Attila
 * Cinnamon bittern
 * Cinnamon Bracken Warbler
 * Cinnamon Ground Dove
 * Cinnamon ibon
 * Cinnamon Quail-thrush
 * Cinnamon Roller
 * Cinnamon teal
 * Cinnamon Warbling Finch
 * Cinnamon Weaver
 * CIPAMEX
 * Ciridops
 * Cirl Bunting
 * Citadel Island
 * Citreoline Trogon
 * Citrine Lorikeet
 * Citrine Wagtail
 * Citron-crested Cockatoo
 * Citron-headed Yellow Finch
 * Clamorous Reed Warbler
 * Clapper rail
 * Clapperton's Francolin
 * Clarión Wren
 * Clark's grebe
 * Clark's Nutcracker
 * Clarke's Weaver
 * Clarke Range
 * Claud Buchanan Ticehurst
 * Clay-colored Sparrow
 * Clay-colored thrush
 * Clear Creek, Ontario
 * Cleeve Heronry
 * Cliff Flycatcher
 * Clifford Brodie Frith
 * Cliffs of Moher
 * Cliffy Island
 * Clipperton Island
 * Clive Finlayson
 * Clive Minton
 * Cloud-forest Screech Owl
 * Cloven-feathered Dove
 * Clump Mountain National Park
 * Clyde River National Park
 * Coal Tit
 * Coastal cliffs between Porto Mosquito and Baia do Inferno Important Bird Area
 * Coastal Miner
 * Coastal Wet Tropics Important Bird Area
 * Cobalt-winged Parakeet
 * Cobb's Wren
 * Coburg Island
 * Cocha Antshrike
 * Cochabamba Mountain Finch
 * Cock-tailed Tyrant
 * Cockatiel
 * Cockburn Island (Antarctica)
 * Cocoa thrush
 * Cocoi heron
 * Cocoparra National Park
 * Cocos Buff-banded Rail
 * Cocos cuckoo
 * Cocos Finch
 * Cocos Flycatcher
 * Codfish Island
 * Coffin Bay National Park
 * Coffin Island
 * Coiba Spinetail
 * Coleto
 * Colima Pygmy Owl
 * Colima Warbler
 * Colin Bibby
 * Colin Harrison (ornithologist)
 * Coll
 * Collared Aracari
 * Collared Babbler
 * Collared Falconet
 * Collared Finchbill
 * Collared Flycatcher
 * Collared Grosbeak
 * Collared Imperial Pigeon
 * Collared Inca
 * Collared Kingfisher
 * Collared Laughingthrush
 * Collared Lory
 * Collared Myna
 * Collared Nightjar
 * Collared Owlet
 * Collared Pratincole
 * Collared Puffbird
 * Collared scops owl
 * Collared Sparrowhawk
 * Collared Sunbird
 * Collared Towhee
 * Collared Treepie
 * Collared Trogon
 * Collocalia buday
 * Colombian Chachalaca
 * Colombian Grebe
 * Colombian Mountain Grackle
 * Colorful Puffleg
 * Columbian Sharp-tailed Grouse
 * Comb-crested Jacana
 * Combwich
 * Comino
 * Common Babbler
 * Common Bird Monitoring of India
 * Common black hawk
 * Common blackbird
 * Common bronzewing
 * Common bulbul
 * Common Buttonquail
 * Common buzzard
 * Common Cactus Finch
 * Common chaffinch
 * Common chiffchaff
 * Common crane
 * Common cuckoo
 * Common Diving Petrel
 * Common eider
 * Common Emerald Dove
 * Common firecrest
 * Common Flameback
 * Common gallinule
 * Common goldeneye
 * Common Grackle
 * Common Grasshopper Warbler
 * Common Green Magpie
 * Common greenshank
 * Common ground dove
 * Common gull
 * Common hawk-cuckoo
 * Common Hill Myna
 * Common house martin
 * Common Iora
 * Common jery
 * Common kestrel
 * Common Kingfisher
 * Common Linnet
 * Common Loon
 * Common merganser
 * Common Miner
 * Common moorhen
 * Common murre
 * Common Myna
 * Common Newtonia
 * Common Nighthawk
 * Common nightingale
 * Common pheasant
 * Common pochard
 * Common Poorwill
 * Common Potoo
 * Common Quail
 * Common raven
 * Common Redpoll
 * Common redshank
 * Common Redstart
 * Common Reed Bunting
 * Common ringed plover
 * Common Rock Thrush
 * Common Rosefinch
 * Common sandpiper
 * Common Scoter
 * Common Shelduck
 * Common Smoky Honeyeater
 * Common snipe
 * Common starling
 * Common Sunbird-Asity
 * Common Swift
 * Common Tailorbird
 * Common tern
 * Common Tody-Flycatcher
 * Common Waxbill
 * Common Whitethroat
 * Common wood pigeon
 * Common Woodshrike
 * Common Yellowthroat
 * Comoros blue pigeon
 * Comoros olive pigeon
 * Comoros thrush
 * Compact Weaver
 * Conception Island, Seychelles
 * Cone-billed Tanager
 * Confuciusornis
 * Congo peacock
 * Congo serpent eagle
 * Connecticut Warbler
 * Conondale Range
 * Conquered Lorikeet
 * Constantine Phipps, 2nd Baron Mulgrave
 * Constantine Walter Benson
 * Consumed Scrubfowl
 * Conure
 * Conwy RSPB reserve
 * Cook's petrel
 * Cook's Swift
 * Cook Reed Warbler
 * Coole Park
 * Coomallo Important Bird Area
 * Coombes Valley RSPB reserve
 * Coongie Lakes
 * Cooper's hawk
 * Cooper's Island, Bermuda
 * Cooper Floodplain below Windorah
 * Coorong National Park
 * Copepteryx
 * Copinsay
 * Copper-rumped Hummingbird
 * Copper-throated Sunbird
 * Copper Pheasant
 * Copper Sunbird
 * Coppersmith Barbet
 * Coppery-headed Emerald
 * Coppery-naped Puffleg
 * Coppery Metaltail
 * Coquerel's coua
 * Coquet Island, England
 * Coqui Francolin
 * Cora Hartshorn Arboretum and Bird Sanctuary
 * Coral-billed Scimitar Babbler
 * Coraya Wren
 * Cordillera Ground Warbler
 * Cordilleran Flycatcher
 * Cordoba Cinclodes
 * Cordón Baquedano
 * Coringa-Herald National Nature Reserve
 * Cork Harbour
 * Cormorant Island
 * Corn Bunting
 * Corn crake
 * Cornell Lab of Ornithology
 * Corner Inlet
 * Correndera Pipit
 * Corrimony
 * Corsican Nuthatch
 * Corte Madera Creek (Marin County, California)
 * Corvitalusoides
 * Cory's shearwater
 * Cosmoledo
 * Cossington, Somerset
 * Costa's Hummingbird
 * Costa Rican Brush Finch
 * Cosumnes River Preserve
 * Cotton Pygmy Goose
 * Couch's Kingbird
 * Coues' Gadwall
 * Councillor Island
 * Courbet Peninsula
 * Cousin Island
 * Cousine Island
 * Cove Pond
 * Cox's Sandpiper
 * Coxen's Fig Parrot
 * Cozumel Emerald
 * Cozumel Thrasher
 * Cozumel Vireo
 * Crab-plover
 * Cradle Mountain-Lake St Clair National Park
 * Crag Chilia
 * Crane hawk
 * Cranes of Great Britain
 * Cravens Peak Reserve
 * Craveri's murrelet
 * Creag Meagaidh
 * Cream-bellied munia
 * Cream-breasted Fruit Dove
 * Cream-browed white-eye
 * Cream-colored Woodpecker
 * Cream-coloured Courser
 * Cream-striped Bulbul
 * Cream-throated White-eye
 * Creamer's Field Migratory Waterfowl Refuge
 * Creamy-bellied Antwren
 * Creamy-bellied Gnatcatcher
 * Creamy-bellied thrush
 * Creamy-crested Spinetail
 * Creamy-rumped Miner
 * Crescent-chested babbler
 * Crescent-chested Puffbird
 * Crescent honeyeater
 * Crested Ant Tanager
 * Crested Argus
 * Crested auklet
 * Crested bellbird
 * Crested Berrypecker
 * Crested Black Tyrant
 * Crested Bobwhite
 * Crested Bunting
 * Crested coua
 * Crested drongo
 * Crested Eagle
 * Crested Finchbill
 * Crested Fireback
 * Crested Goshawk
 * Crested Guan
 * Crested Guineafowl
 * Crested Honey Buzzard
 * Crested Ibis
 * Crested Kingfisher
 * Crested Lark
 * Crested Malimbe
 * Crested Moa
 * Crested Myna
 * Crested Oropendola
 * Crested Owl
 * Crested Partridge
 * Crested Pigeon
 * Crested Quail-Dove
 * Crested serpent eagle
 * Crested shelduck
 * Crested Shriketit
 * Crested Tit-warbler
 * Crested Treeswift
 * Crested white-eye
 * Creston Valley Wildlife Management Area
 * Creswell Bay
 * Cretaaviculus
 * Cretan owl
 * Cretzschmar's Bunting
 * Crimson-backed Flameback
 * Crimson-backed Sunbird
 * Crimson-bellied Parakeet
 * Crimson-breasted Finch
 * Crimson-breasted Woodpecker
 * Crimson-browed Finch
 * Crimson-collared Grosbeak
 * Crimson-crested Woodpecker
 * Crimson-crowned flowerpecker
 * Crimson-crowned Fruit Dove
 * Crimson-fronted Barbet
 * Crimson-fronted cardinal
 * Crimson-headed Partridge
 * Crimson-hooded Myzomela
 * Crimson-rumped Myzomela
 * Crimson-rumped Toucanet
 * Crimson-rumped Waxbill
 * Crimson Chat
 * Crimson Finch
 * Crimson Rosella
 * Crimson Seedcracker
 * Crimson Shining Parrot
 * Crimson Sunbird
 * Crimson Topaz
 * Crinkle-collared Manucode
 * Crissal Thrasher
 * Croajingolong National Park
 * Croaking Cisticola
 * Crocodile Islands
 * Cromarty Firth
 * Crossley's ground thrush
 * Crossley's vanga
 * Crow-billed drongo
 * Crow Honeyeater
 * Crown Wetlands
 * Crowned Chat-Tyrant
 * Crowned Cormorant
 * Crowned Eagle
 * Crowned Hornbill
 * Crowned sandgrouse
 * Crowned Slaty Flycatcher
 * Crowned Solitary Eagle
 * Cruschedula
 * Cryptic Antthrush
 * Cryptic Flycatcher
 * Cryptic Forest Falcon
 * Cubalaya
 * Cuban Amazon
 * Cuban Black Hawk
 * Cuban Blackbird
 * Cuban Bullfinch
 * Cuban crow
 * Cuban Emerald
 * Cuban flightless crane
 * Cuban Gnatcatcher
 * Cuban Green Woodpecker
 * Cuban Ivory-billed Woodpecker
 * Cuban Kite
 * Cuban macaw
 * Cuban Martin
 * Cuban Oriole
 * Cuban Parakeet
 * Cuban Pauraque
 * Cuban Pewee
 * Cuban Pygmy Owl
 * Cuban solitaire
 * Cuban Tody
 * Cuban trogon
 * Cuban Vireo
 * Cuckoo-finch
 * Cuckoo Roller
 * Cueva del Guácharo National Park
 * Culbin Sands
 * Cundinamarca Antpitta
 * Curl-crested Aracari
 * Curl-crested jay
 * Curl-crested Manucode
 * Curlew sandpiper
 * Currawinya National Park
 * Currawong
 * Curry and Hay Moors
 * Curtis Island (Tasmania)
 * Curtis Island, New Zealand
 * Cut-throat finch
 * Cuverville Island
 * Cuvier Island
 * Cuzco Brush Finch
 * Cwm Clydach RSPB Reserve
 * Cyanoramphus
 * Cygnus falconeri
 * Cyprus Dipper
 * Cyprus Warbler
 * Cyprus Wheatear
 * Cyril Hurcomb, 1st Baron Hurcomb
 * D'Arnaud's Barbet
 * D'Arros Island
 * D'Orbigny's Chat-Tyrant
 * D'Urville Monument
 * D. L. Serventy Medal
 * Daedong Bay Important Bird Area
 * Daggett's Eagle
 * Daintree Rainforest
 * Daito Varied Tit
 * Daito Wren
 * Dalmatian pelican
 * Damar Flycatcher
 * Damar Island
 * Damara Canary
 * Damara Tern
 * Dampier Saltworks Important Bird Area
 * Dangara Massif Important Bird Area
 * Danger Island
 * Danger Islands
 * Danggali Conservation Park
 * Daniel Giraud Elliot
 * Daniel S. Lehrman
 * Darjeeling Woodpecker
 * Dark-backed Imperial Pigeon
 * Dark-backed Sibia
 * Dark-backed Weaver
 * Dark-billed cuckoo
 * Dark-breasted Rosefinch
 * Dark-eared Myza
 * Dark-eyed Junco
 * Dark-faced Ground Tyrant
 * Dark-fronted Babbler
 * Dark-necked Tailorbird
 * Dark-rumped Rosefinch
 * Dark-rumped Swift
 * Dark-sided Flycatcher
 * Dark-sided thrush
 * Dark-throated Oriole
 * Dark-throated Seedeater
 * Dark-winged Miner
 * Dark-winged Trumpeter
 * Dark Batis
 * Dark Chanting Goshawk
 * Dark Newtonia
 * Darter
 * Dartford Warbler
 * Darwin's finches
 * Dashtidjum
 * Daudmannsøyra Important Bird Area
 * Daurian jackdaw
 * Daurian Partridge
 * Daurian Redstart
 * Daurian Starling
 * Davey Point
 * David's Fulvetta
 * David Allen Sibley
 * David Armitage Bannerman
 * David Baker-Gabb
 * David Fleay
 * David Gibbs (naturalist)
 * David Haig-Thomas
 * David Hunt (ornithologist)
 * David Lack
 * David Norman (ornithologist)
 * David Snow
 * David Steadman
 * Dawn Whyatt Frith
 * De Filippi's Petrel
 * De Witt Island
 * Dead Sea Sparrow
 * Dean Amadon
 * Decorah Bald Eagles
 * Dee Estuary
 * Deen Maar Indigenous Protected Area
 * Deep-blue Flowerpiercer
 * Degodi Lark
 * Delta Amacuro Softtail
 * Delta Marsh
 * Demoiselle crane
 * Dengie SPA
 * Denham's Bustard
 * Denis A. Saunders
 * Dent Island, New Zealand
 * Deny King
 * Denzil Dean Harber
 * Derek Barber, Baron Barber of Tewkesbury
 * Derek Goodwin
 * Derek Ratcliffe
 * Derek Yalden
 * Derwent Ings
 * Desert Cisticola
 * Desert Finch
 * Desert Lark
 * Desert Sparrow
 * Desert Wheatear
 * Desert Whitethroat
 * Desertas Petrel
 * Desmond Nethersole-Thompson
 * Desnoeufs Island
 * Detroit River International Wildlife Refuge
 * Devil Island
 * Devilbend Natural Features Reserve
 * Devincenzia
 * Devon Birdwatching and Preservation Society
 * Dewey Soper Migratory Bird Sanctuary
 * Diademed Plover
 * Diademed Tanager
 * Diamantina National Park
 * Diamantina River
 * Diamantina Tapaculo
 * Diamond Dove
 * Diamond Firetail
 * Diard's Trogon
 * Dickcissel
 * Diederik cuckoo
 * Dieffenbach's Rail
 * Digges Sound
 * Dillberry Lake Provincial Park
 * Dilys Breese
 * Dilys Breese Medal
 * Dimorphic Fantail
 * Dinelli's Doradito
 * Dingle Peninsula
 * Dinornis
 * Diogenornis
 * Dion Islands
 * Disappointment Island
 * Discovery Bay Coastal Park
 * Dithmarscher Eiderwatt
 * Djavshangoz Important Bird Area
 * Djibouti francolin
 * Doctor bird
 * Dog Island, Anguilla
 * Doherty's Bushshrike
 * Dohrn's Thrush-Babbler
 * Dok-do
 * Dollarbird
 * Domestic Show Flight
 * Dominic Serventy
 * Dominique G. Homberger
 * Donald Sankey Farner
 * Donald Thomson
 * Donald Trounson
 * Donald Watson (artist)
 * Doria's Goshawk
 * Doris Huestis Speirs
 * Dornoch Firth
 * Dorst's Cisticola
 * Double-banded Plover
 * Double-barred Finch
 * Double-collared Seedeater
 * Double-eyed Fig Parrot
 * Double-spurred Francolin
 * Double-toothed Barbet
 * Doubtful Sound
 * Doughboy Island East
 * Doughboy Island West
 * Douglas-Apsley National Park
 * Douglas Dewar
 * Dow's Puffin
 * Dowker Island
 * Downy Woodpecker
 * Drab Myzomela
 * Drab Water Tyrant
 * Drab Whistler
 * Dragon Rocks Nature Reserve
 * Dragoon (pigeon)
 * Drakensberg Prinia
 * Drakensberg rockjumper
 * Drakensberg Siskin
 * Dream Island
 * Dromaius
 * Dromore, County Clare
 * Dromornis
 * Dromornithidae
 * Drumkul
 * Druridge Bay curlew
 * Dry Creek, South Australia
 * Dublin Bay
 * Dubois's Seedeater
 * Ducie Island
 * Duck Island (Victoria)
 * Duddon Estuary
 * Dudley Le Souef
 * Duida Grass Finch
 * Duivenbode's Bird of Paradise
 * Duivenbode's Riflebird
 * Duivenbode's Six-wired Bird of Paradise
 * Dulit Frogmouth
 * Dull-blue Flycatcher
 * Dune Lark
 * Dune Shearwater
 * Dunfanaghy
 * Dunlin
 * Dunn's Lark
 * Dunn Rock and Lake King Important Bird Area
 * Dunnet Head
 * Dunnock
 * Dunøyane Bird Sanctuary
 * Durleigh
 * Duroch Islands
 * Dusky-backed Swift
 * Dusky-billed Parrotlet
 * Dusky-blue Flycatcher
 * Dusky-brown Oriole
 * Dusky-headed Brush Finch
 * Dusky-headed Parakeet
 * Dusky-legged Guan
 * Dusky-tailed Canastero
 * Dusky-throated Hermit
 * Dusky Bush Tanager
 * Dusky crag martin
 * Dusky Crested Flycatcher
 * Dusky Crimsonwing
 * Dusky eagle-owl
 * Dusky Friarbird
 * Dusky Fulvetta
 * Dusky Gerygone
 * Dusky Grasswren
 * Dusky grouse
 * Dusky Indigobird
 * Dusky long-tailed cuckoo
 * Dusky Lory
 * Dusky Megapode
 * Dusky Moorhen
 * Dusky munia
 * Dusky Myzomela
 * Dusky Parrot
 * Dusky Robin
 * Dusky seaside sparrow
 * Dusky Sound
 * Dusky Starfrontlet
 * Dusky Tapaculo
 * Dusky Tetraka
 * Dusky thrush
 * Dusky Tit
 * Dusky Turtle Dove
 * Dusky twinspot
 * Dusky Warbler
 * Dusky white-eye
 * Dusky woodswallow
 * Dwarf bittern
 * Dwarf Fruit Dove
 * Dwarf Jay
 * Dwarf Sparrowhawk
 * Dwarf Vireo
 * Dwejra Bay to San Dimitri Point Important Bird Area
 * Dybowski's twinspot
 * E. Alexander Bergstrom
 * E. C. Stuart Baker
 * Eadie Island
 * Eared Dove
 * Eared Pitta
 * Eared Poorwill
 * Eared Quetzal
 * East Andean Antbird
 * East Bay Migratory Bird Sanctuary
 * East Borden Important Bird Area
 * East Brazilian Chachalaca
 * East Island (Lacepede Islands)
 * East Kangaroo Island
 * East Moncoeur Island
 * East of Nelly Point Important Bird Area
 * East Pyramids
 * East Wallabi Island
 * Easter Group
 * Eastern alpine mannikin
 * Eastern Bearded Greenbul
 * Eastern bluebird
 * Eastern Bonelli's Warbler
 * Eastern Bristlebird
 * Eastern Canary Islands Chiffchaff
 * Eastern Chanting Goshawk
 * Eastern Chat-Tanager
 * Eastern Clapper Lark
 * Eastern Crowned Warbler
 * Eastern Dry Forest
 * Eastern Golden Weaver
 * Eastern Grass Owl
 * Eastern great egret
 * Eastern Ground Parrot
 * Eastern Habitat Joint Venture
 * Eastern imperial eagle
 * Eastern Kingbird
 * Eastern Marsh Harrier
 * Eastern Meadowlark
 * Eastern Moa
 * Eastern Olivaceous Warbler
 * Eastern Orphean Warbler
 * Eastern Parotia
 * Eastern plantain-eater
 * Eastern rock nuthatch
 * Eastern Rockhopper Penguin
 * Eastern Rosella
 * Eastern Screech Owl
 * Eastern slaty thrush
 * Eastern Spinebill
 * Eastern Towhee
 * Eastern Treatment Plant
 * Eastern Wattled Cuckooshrike
 * Eastern Whip-poor-will
 * Eastern Whipbird
 * Eastern Yellow-billed Hornbill
 * Eastern Yellow Robin
 * Eastern Yellow Wagtail
 * Eclectus Parrot
 * Eclipse Island (Western Australia)
 * Ecuadorian Cacique
 * Ecuadorian ground dove
 * Ecuadorian Hillstar
 * Ecuadorian Piculet
 * Ecuadorian Piedtail
 * Ecuadorian thrush
 * Ecuadorian Trogon
 * Ecuadorian Tyrannulet
 * Eddystone (Tasmania)
 * Eden Landing Ecological Reserve
 * Eden Rocks
 * Edgar Alexander Mearns
 * Edgar Chance
 * Edgar Leopold Layard
 * Edible-nest Swiftlet
 * Edington, Somerset
 * Edithvale-Seaford Wetlands
 * Edmund Kennedy National Park
 * Edmund Meade-Waldo
 * Edmund Selous
 * Edward Adrian Wilson
 * Edward Allworthy Armstrong
 * Edward Arthur Butler
 * Edward Avery McIlhenny
 * Edward Bartlett
 * Edward Blyth
 * Edward Donovan
 * Edward Doubleday
 * Edward Grey Institute of Field Ornithology
 * Edward Grey, 1st Viscount Grey of Fallodon
 * Edward Hargitt
 * Edward Harris (ornithologist)
 * Edward Hearle Rodd
 * Edward Howe Forbush
 * Edward Max Nicholson
 * Edward Newton
 * Edward Pierson Ramsay
 * Edward Smith-Stanley, 13th Earl of Derby
 * Edward Vernon Harcourt
 * Edwards Point (Victoria)
 * Edwin Ashby
 * Egg Island, Horseshoe Reef
 * Egg Islands
 * Egyptian Goose
 * Egyptian Nightjar
 * Egyptian Plover
 * Egyptian vulture
 * Eiao Monarch
 * Eider Islands
 * Eighty Mile Beach
 * Eillium Island
 * El-Kouf National Park
 * El Oro Parakeet
 * El Oro Tapaculo
 * Elegant Euphonia
 * Elegant Imperial Pigeon
 * Elegant Parrot
 * Elegant Pitta
 * Elegant Quail
 * Elegant Sunbird
 * Elegant Tit
 * Elegant Trogon
 * Elegant Woodcreeper
 * Eleonora's Falcon
 * Eleonora Cockatoo
 * Elephant bird
 * Elephant Cays
 * Elephant Rocks
 * Eleutherornis
 * Elf Owl
 * Elfin woods warbler
 * Elgon francolin
 * Eliza Phillips
 * Elkhorn Slough
 * Ella Bay National Park
 * Ellen McCulloch
 * Elliot's Bird of Paradise
 * Elliot's Pheasant
 * Elliott Coues
 * Elliott McClure
 * Elon Howard Eaton
 * Elsie Naumburg
 * Elusive Antpitta
 * Emei Shan Liocichla
 * Emerald-chinned Hummingbird
 * Emerald-spotted Wood Dove
 * Emerald Starling
 * Emerald Toucanet
 * Emily Williamson
 * Emin's Shrike
 * Emma Turner (photographer)
 * Emperor Bird-of-paradise
 * Emperor penguin
 * Empress Brilliant
 * Empress of Germany's Bird of Paradise
 * Emu (journal)
 * Emuarius
 * Endemic Bird Area
 * Endemic Bird Areas of the World: Priorities for Biodiversity Conservation
 * Endemic birds of Colombia
 * Endemic birds of eastern North America
 * Endemic birds of Hawaii
 * Endemic birds of Indonesia
 * Endemic birds of Japan
 * Endemic birds of Madagascar and western Indian Ocean islands
 * Endemic birds of Mexico and northern Central America
 * Endemic birds of New Caledonia
 * Endemic birds of New Zealand
 * Endemic birds of South Asia
 * Endemic birds of southern Africa
 * Endemic birds of Sulawesi
 * Endemic birds of the Andaman and Nicobar Islands
 * Endemic birds of the Galápagos Islands
 * Endemic birds of the Himalayas
 * Endemic birds of the West Indies
 * Endemic birds of the Western Palearctic
 * Endemic birds of western and central Africa
 * Endemic birds of western North America
 * Enderby Island
 * Enggano Hill Myna
 * Enggano scops owl
 * Enggano thrush
 * Enggano White-eye
 * English Carrier
 * English Fantail
 * English Island (South Australia)
 * English Long Faced Tumbler
 * English Pouter
 * English Short Faced Tumbler
 * English Trumpeter
 * Eoalulavis
 * Eoanseranas
 * Eocypselus rowei
 * Eonessa
 * Erckel's francolin
 * Erect-crested Penguin
 * Ergaticus
 * Erhard F. Boehm
 * Eric Ennion
 * Eric Hosking
 * Eric Simms (ornithologist)
 * Eriocnemis
 * Erlanger's Lark
 * Ernest Thomas Gilliard
 * Ernst Mayr
 * Erskine Island
 * Escarpada Point
 * Escudo Hummingbird
 * Esmeraldas Woodstar
 * Ethabuka Reserve
 * Ethiopian Oriole
 * Ethiopian Siskin
 * Ethiopian Swallow
 * Etoile Island (Seychelles)
 * Eubenangee Swamp National Park
 * Eugene Eisenmann
 * Eugene Pintard Bicknell
 * Eugene William Oates
 * Euler's Flycatcher
 * Eungella honeyeater
 * Eurasian bittern
 * Eurasian blackcap
 * Eurasian Blue Tit
 * Eurasian Bullfinch
 * Eurasian Collared Dove
 * Eurasian coot
 * Eurasian crag martin
 * Eurasian Crimson-winged Finch
 * Eurasian curlew
 * Eurasian dotterel
 * Eurasian eagle-owl
 * Eurasian Golden Oriole
 * Eurasian hobby
 * Eurasian Jay
 * Eurasian magpie
 * Eurasian nuthatch
 * Eurasian oystercatcher
 * Eurasian Penduline Tit
 * Eurasian Pygmy Owl
 * Eurasian Reed Warbler
 * Eurasian Rock Pipit
 * Eurasian scops owl
 * Eurasian Siskin
 * Eurasian Skylark
 * Eurasian sparrowhawk
 * Eurasian Spoonbill
 * Eurasian Stone-curlew
 * Eurasian teal
 * Eurasian Three-toed Woodpecker
 * Eurasian tree sparrow
 * Eurasian treecreeper
 * Eurasian wigeon
 * Eurasian woodcock
 * Eurasian Wren
 * Eurasian wryneck
 * Eurobodalla National Park
 * Europa Island
 * European Bee-eater
 * European Crested Tit
 * European golden plover
 * European Goldfinch
 * European Green Woodpecker
 * European Greenfinch
 * European Herring Gull
 * European Honey Buzzard
 * European nightjar
 * European Pied Flycatcher
 * European robin
 * European Roller
 * European Serin
 * European Shag
 * European Stonechat
 * European storm petrel
 * European Turtle Dove
 * Eurotrochilus
 * Evening Grosbeak
 * Everett's scops owl
 * Everett's thrush
 * Evergreen Forest Warbler
 * Eversmann's Redstart
 * Ewing Island, New Zealand
 * Exclamatory Paradise Whydah
 * Exmouth Gulf
 * Eye-ringed Flatbill
 * Eye-ringed Thistletail
 * Eye-ringed Tody-Tyrant
 * Eyebrowed Jungle Flycatcher
 * Eyebrowed thrush
 * Eyebrowed Wren-Babbler
 * Eyles' harrier
 * Eyre Bird Observatory
 * Eyre Creek (New Zealand)
 * Eyrean Grasswren
 * Eysturoy
 * Fairburn Ings RSPB reserve
 * Fairfax Islands
 * Fairy Flycatcher
 * Fairy Lorikeet
 * Fairy Martin
 * Fairy Pitta
 * Fairy Prion
 * Fairy Tern
 * Falaises d'Entrecasteaux
 * Falcated duck
 * Falcated Wren-Babbler
 * Falkenstein's Greenbul
 * Falkland Steamer Duck
 * False-lobed Astrapia
 * False Round Point
 * Familiar Chat
 * Fan-tailed cuckoo
 * Fan-tailed gerygone
 * Fan-tailed Grassbird
 * Fan-tailed raven
 * Fanad
 * Fanti Saw-wing
 * Far Eastern curlew
 * Farmer Island
 * Farne Islands
 * Faroese puffin
 * Farquhar Atoll
 * Fasciated tiger heron
 * Fatumasin
 * Faure Island
 * Fawn-breasted bowerbird
 * Fawn-breasted Brilliant
 * Fawn-breasted thrush
 * Fawn-breasted Waxbill
 * Fawn-breasted Whistler
 * Fawn-breasted Wren
 * Fawn-coloured Lark
 * Fea's petrel
 * Fearful owl
 * Fen Drayton
 * Feral Pigeon
 * Ferguslie Peninsula
 * Fermín Zanón Cervera
 * Fernandina's Flicker
 * Fernando Po Batis
 * Fernando Po Speirops
 * Fernwren
 * Ferrier Peninsula
 * Ferruginous Antbird
 * Ferruginous Duck
 * Ferruginous Flycatcher
 * Ferruginous hawk
 * Ferruginous Pygmy Owl
 * Festive Amazon
 * Festive Coquette
 * Fetlar
 * Field Sparrow
 * Fieldfare
 * Fiery-billed Aracari
 * Fiery-breasted Bushshrike
 * Fiery-browed Starling
 * Fiery-capped Manakin
 * Fiery-necked Nightjar
 * Fiery-throated Metaltail
 * Fiery Topaz
 * Fiji Bush Warbler
 * Fiji Goshawk
 * Fiji parrotfinch
 * Fiji Petrel
 * Fiji Shrikebill
 * Fiji Whistler
 * Fiji white-eye
 * Fiji Woodswallow
 * Filfla
 * Fine-barred Piculet
 * Fine-spotted Woodpecker
 * Finn's Weaver
 * Finsch's Duck
 * Finsch's Imperial Pigeon
 * Finsch's rufous thrush
 * Finsch's Wheatear
 * Fiordland penguin
 * Fire-bellied Woodpecker
 * Fire-breasted Flowerpecker
 * Fire-capped Tit
 * Fire-crested alethe
 * Fire-eyed Diucon
 * Fire-maned Bowerbird
 * Fire-tailed Myzornis
 * Fire-tailed Sunbird
 * Firethroat
 * Fiscal Flycatcher
 * Fischer's Lovebird
 * Fischer's Starling
 * Fish crow
 * Fish Ponds and Crossing Place Trail Important Bird Area
 * Fisher Island (Queensland)
 * Fitzgerald River National Park
 * Fitzroy River (Queensland)
 * Five-coloured Barbet
 * Five-coloured munia
 * Five-striped Sparrow
 * Fivebough and Tuckerbil Swamps
 * Fladda, Treshnish Isles
 * Flame-breasted flowerpecker
 * Flame-breasted Fruit Dove
 * Flame-breasted Sunbird
 * Flame-colored Tanager
 * Flame-crowned flowerpecker
 * Flame-eared Honeyeater
 * Flame-fronted Barbet
 * Flame-rumped Sapphire
 * Flame-templed babbler
 * Flame-throated Bulbul
 * Flame-winged Parakeet
 * Flame Bowerbird
 * Flame robin
 * Flamecrest
 * Flaming Sunbird
 * Flamingo Gardens
 * Flammulated Bamboo Tyrant
 * Flammulated flycatcher
 * Flammulated owl
 * Flappet Lark
 * Flat-billed Kingfisher
 * Flat-billed Vireo
 * Flat Holm
 * Flat Top Island
 * Flat Witch Island
 * Flavescent Bulbul
 * Flesh-footed shearwater
 * Flightless Cormorant
 * Flinders Island
 * Flinders Island (South Australia)
 * Flinders Ranges National Park
 * Flock Bronzewing
 * Flora and fauna of Greenland
 * Floreana Mockingbird
 * Florence Augusta Merriam Bailey
 * Flores crow
 * Flores Green Pigeon
 * Flores Hawk-Eagle
 * Flores Monarch
 * Flores scops owl
 * Florida Ornithological Society
 * Florida Scrub Jay
 * Flowerpot Bay
 * Fluttering Shearwater
 * Flycatcher-shrike
 * Flying Steamer Duck
 * Fog Bay and Finniss River Floodplains
 * Fogg Dam Conservation Reserve
 * Fogo Volcanic Important Bird Area
 * Folly Island, New Zealand
 * Foothill Schiffornis
 * Foothill Screech Owl
 * Forbes' Snipe
 * Forbes's blackbird
 * Forbes's mannikin
 * Forbes's Plover
 * Forest Batis
 * Forest Bay Pond
 * Forest Bittern
 * Forest Elaenia
 * Forest Fody
 * Forest Kingfisher
 * Forest Owlet
 * Forest Penduline Tit
 * Forest raven
 * Forest Robin
 * Forest Rock Thrush
 * Forest swallow
 * Forest thrush
 * Forest Wagtail
 * Fork-tailed drongo
 * Fork-tailed drongo-cuckoo
 * Fork-tailed Flycatcher
 * Fork-tailed storm petrel
 * Fork-tailed Tody-Tyrant
 * Forlandet National Park
 * Forlandsøyane Bird Sanctuary
 * Formicariidae
 * Foro (bird)
 * Forsinard Flows
 * Forsyth Island
 * Fort Amsterdam (Sint Maarten)
 * Fort Custer Recreation Area
 * Fort Custer Training Center
 * Fortescue River
 * Forty-Fours
 * Forty-spotted Pardalote
 * Four-banded sandgrouse
 * Four Pests Campaign
 * Fowlmere RSPB reserve
 * Fowlsheugh
 * Fox's Weaver
 * Fox Kestrel
 * Fox Sparrow
 * Frances's Sparrowhawk
 * Frances Adams Le Sueur
 * Francis Charles Robert Jourdain
 * Francis Orpen Morris
 * Francis Willughby
 * Frank Chapman (ornithologist)
 * Frank Finn
 * Frank Fraser Darling
 * Frank Gill (ornithologist)
 * Frank Knight (artist)
 * Frank Lake (Alberta)
 * Frank Ludlow
 * Frank Norman Robinson
 * Frank Pitelka
 * Frank Sound Forest
 * Franklin's Forest
 * Franklin's gull
 * Franklin Sound Islands Important Bird Area
 * Fraser's eagle-owl
 * Fraser's Forest Flycatcher
 * Fraser's rufous thrush
 * Fraser Island
 * Fraser Island (Nunavut)
 * Fraser Point
 * Freckled Duck
 * Freckled Nightjar
 * Fred Shaw Mayer
 * Fred Sheldon (ornithologist)
 * Frederick Albion Ober
 * Frederick Charles Lincoln
 * Frederick DuCane Godman
 * Frederick George Waterhouse
 * Frederick John Jackson
 * Frederick Nicholson Betts
 * Frederick Nutter Chasen
 * Frederick Webb Headley
 * Fredriksen Island
 * Frégate Island
 * Freiston
 * Freycinet Island
 * Friendly Bush Warbler
 * Frilled Coquette
 * Fringe-backed Fire-eye
 * Fruithunter
 * Fuegian Steamer Duck
 * Fuertes's Parrot
 * Fuglefjella Important Bird Area
 * Fugloy
 * Fülleborn's Boubou
 * Fülleborn's Longclaw
 * Fulvous-breasted Woodpecker
 * Fulvous-crested Tanager
 * Fulvous Antshrike
 * Fulvous Babbler
 * Fulvous Owl
 * Fulvous Parrotbill
 * Fulvous Wren
 * Fur Seal Point
 * Furtive Flycatcher
 * Fuscous Flycatcher
 * Fuscous Honeyeater
 * Gabar Goshawk
 * Gabela Akalat
 * Gabela Bushshrike
 * Gabela Helmetshrike
 * Gabo Island
 * Gabon Batis
 * Gabon coucal
 * Gabon Forest Robin
 * Gabon Woodpecker
 * Gadwall
 * Gailey Reservoirs
 * Galah
 * Galapagos Crake
 * Galápagos Dove
 * Galapagos Flycatcher
 * Galapagos Hawk
 * Galápagos Martin
 * Galápagos Mockingbird
 * Galapagos Penguin
 * Galápagos petrel
 * Galbula hylochoreutes
 * Gallicolumba
 * Gallornis
 * Gambaga Flycatcher
 * Gambel's quail
 * Gamgul
 * Gang-gang Cockatoo
 * Gannet Island (New Zealand)
 * Gannet Islands Ecological Reserve
 * Gannet Rock
 * Gansu Leaf Warbler
 * Garden Emerald
 * Garden warbler
 * Garganey
 * Garston Wood
 * Gartered Trogon
 * Garth Christian
 * Gåsøyane Bird Sanctuary
 * Gastornis
 * Gavin Wildridge Johnstone
 * Gawler Ranges National Park
 * Geelvink Pygmy Parrot
 * Gentoo Penguin
 * Genyornis
 * Geoffrey Francis Archer
 * Geoffrey Herklots
 * George Archibald (ornithologist)
 * George Arthur Keartland
 * George Augustus Boardman
 * George Barnard (zoologist)
 * George Bartholomew (biologist)
 * George Bristow (ornithologist)
 * George Burritt Sennett
 * George C. Reifel Migratory Bird Sanctuary
 * George Dawson Rowley
 * George Dunnet
 * George Edward Lodge
 * George Edwards (naturalist)
 * George Ernest Shelley
 * George Henry Caton Haigh
 * George Latimer Bates
 * George Mack (ornithologist)
 * George Miksch Sutton
 * George Montagu (naturalist)
 * George Newbold Lawrence
 * George Ord
 * George Robert Gray
 * George Waterston
 * Georgia Ornithological Society
 * Geranopterus
 * Gerard Frederick van Tets
 * Gerlache Island
 * Germain's Peacock-Pheasant
 * Giant Babax
 * Giant Conebill
 * Giant Coot
 * Giant Coua
 * Giant Cowbird
 * Giant Honeyeater
 * Giant Hummingbird
 * Giant Ibis
 * Giant Kingbird
 * Giant Kingfisher
 * Giant Malleefowl
 * Giant Nukupu‘u
 * Giant scops owl
 * Giant Snipe
 * Giant Sunbird
 * Giant Weaver
 * Giant white-eye
 * Giant Wren
 * Gibberbird
 * Gibbon Bay
 * Gibbs Island (South Shetland Islands)
 * Gibraltar Nature Reserve
 * Gibraltar Point
 * Gibraltar Range National Park
 * Gidgegannup Important Bird Area
 * Gila Woodpecker
 * Gilbert's Whistler
 * Gilbert Dempster Fisher
 * Gilbert White
 * Gilded Barbet
 * Gilded Flicker
 * Gilded Sapphire
 * Gillett's Lark
 * Gilliard's Bird of Paradise
 * Gilliard's Melidectes
 * Gillingarra Important Bird Area
 * Gilt-edged Tanager
 * Ginger Islands
 * Gippsland Lakes
 * Girringun National Park
 * Gizo White-eye
 * Glamorgan Bird Club
 * Glastonbury
 * Glastonbury Lake Village
 * Glastonbury Thorn
 * Glaucous gull
 * Glaucous Macaw
 * Glen Chilton
 * Glen Milton Storr
 * Glenborrodale
 * Glenveagh
 * Glittering-bellied Emerald
 * Glittering-throated Emerald
 * Glittering Kingfisher
 * Glossy-black thrush
 * Glossy-mantled Manucode
 * Glossy Antshrike
 * Glossy Black Cockatoo
 * Glossy ibis
 * Glossy Swiftlet
 * Glow-throated Hummingbird
 * Gluepot Reserve
 * Gnateater
 * Goat Island / Rakiriri
 * Gobipteryx
 * Godlewski's Bunting
 * Godney
 * Gola Malimbe
 * Gold-ringed Tanager
 * Goldcrest
 * Golden-backed Mountain Tanager
 * Golden-bellied flyrobin
 * Golden-bellied Starfrontlet
 * Golden-bellied White-eye
 * Golden-billed Saltator
 * Golden-breasted Bunting
 * Golden-breasted fulvetta
 * Golden-breasted Puffleg
 * Golden-breasted Starling
 * Golden-browed Chat-Tyrant
 * Golden-browed Warbler
 * Golden-cheeked Warbler
 * Golden-cheeked Woodpecker
 * Golden-chevroned Tanager
 * Golden-collared Macaw
 * Golden-collared Toucanet
 * Golden-collared Woodpecker
 * Golden-crested Myna
 * Golden-crowned babbler
 * Golden-crowned Manakin
 * Golden-fronted Bowerbird
 * Golden-fronted Fulvetta
 * Golden-fronted Leafbird
 * Golden-fronted Whitestart
 * Golden-fronted Woodpecker
 * Golden-green Woodpecker
 * Golden-headed Cisticola
 * Golden-headed Manakin
 * Golden-headed Quetzal
 * Golden-mantled Racket-tail
 * Golden-naped Barbet
 * Golden-naped Finch
 * Golden-naped Weaver
 * Golden-olive Woodpecker
 * Golden-plumed Parakeet
 * Golden-rumped flowerpecker
 * Golden-shouldered Parrot
 * Golden-tailed Parrotlet
 * Golden-tailed Woodpecker
 * Golden-throated Barbet
 * Golden-winged Laughingthrush
 * Golden-winged Parakeet
 * Golden-winged Sunbird
 * Golden-winged Warbler
 * Golden babbler
 * Golden bowerbird
 * Golden Bush Robin
 * Golden eagle
 * Golden Fruit Dove
 * Golden Gate Raptor Observatory
 * Golden Greenbul
 * Golden masked owl
 * Golden Monarch
 * Golden Nightjar
 * Golden Parakeet
 * Golden Parrotbill
 * Golden Pheasant
 * Golden Swallow (bird)
 * Golden Vireo
 * Golden white-eye
 * Goldie's Bird-of-paradise
 * Goldie's Lorikeet
 * Golfe du Morbihan (Kerguelen)
 * Goliath coucal
 * Goliath heron
 * Goliath Imperial Pigeon
 * Goonengerry National Park
 * Goonoo Important Bird Area
 * Goose Island (South Australia)
 * Goose Island (Tasmania)
 * Gordon Beruldsen
 * Gordon Orians
 * Gorgeted Puffleg
 * Gorgeted Sunangel
 * Gorgeted Wood Quail
 * Gorgeted Woodstar
 * Gosling's Apalis
 * Gosling Islands
 * Gough Island
 * Goulburn River National Park
 * Gould's Emerald
 * Gould's Inca
 * Gould's Shortwing
 * Gould's Toucanet
 * Gouldian Finch
 * Gourdin Island
 * Gower Ornithological Society
 * Goyder Lagoon
 * Grace's Warbler
 * Graceanna Lewis
 * Graceful Pitta
 * Graceful Prinia
 * Gracile Goshawk
 * Gracius Broinowski
 * Graham Pizzey
 * Grand Bassin – Le Dimitile Important Bird Area
 * Grand Bénard – Tapcal Important Bird Area
 * Grand Cayman thrush
 * Grand Codroy Estuary
 * Grand Colombier
 * Grand Comoro drongo
 * Grand Rhabdornis
 * Grandala
 * Granite Downs
 * Grant's Bluebill
 * Graptolite Island
 * Grass warbler
 * Grassholm
 * Grasshopper Buzzard
 * Grasshopper Sparrow
 * Grassland Yellow Finch
 * Grauer's Swamp Warbler
 * Gray-crowned Rosy Finch
 * Gray-headed Chickadee
 * Gray catbird
 * Gray jay
 * Gray Kingbird
 * Gray Thrasher
 * Gray Vireo
 * Great-billed Hermit
 * Great-billed heron
 * Great-billed Kingfisher
 * Great-billed mannikin
 * Great-billed Parrot
 * Great-tailed Grackle
 * Great-winged petrel
 * Great Antpitta
 * Great Antshrike
 * Great Argus
 * Great auk
 * Great Barbet
 * Great Basin Bird Observatory
 * Great black-backed gull
 * Great blue heron
 * Great blue turaco
 * Great Bowerbird
 * Great Bustard
 * Great cormorant
 * Great crested flycatcher
 * Great Crested Grebe
 * Great Cuckoo-Dove
 * Great Curassow
 * Great Dog Island (Tasmania)
 * Great Eared Nightjar
 * Great egret
 * Great Elaenia
 * Great frigatebird
 * Great Grebe
 * Great Green Macaw
 * Great grey owl
 * Great Grey Shrike
 * Great Ground Dove
 * Great Hanging Parrot
 * Great Hornbill
 * Great horned owl
 * Great Inca Finch
 * Great Indian Bustard
 * Great Kiskadee
 * Great knot
 * Great lizard cuckoo
 * Great Maui Crake
 * Great Nicobar serpent eagle
 * Great northern loon
 * Great O‘ahu Crake
 * Great Otway National Park
 * Great Parrotbill
 * Great Plain of the Koukdjuak
 * Great Potoo
 * Great Reed Warbler
 * Great Rufous Woodcreeper
 * Great Sandy National Park
 * Great Sandy Strait
 * Great shearwater
 * Great Shortwing
 * Great skua
 * Great Slaty Woodpecker
 * Great snipe
 * Great Sparrow
 * Great Spinetail
 * Great spotted cuckoo
 * Great Spotted Woodpecker
 * Great Stone-curlew
 * Great thrush
 * Great tit
 * Great white pelican
 * Great Woodswallow
 * Great Xenops
 * Greater adjutant
 * Greater Akialoa
 * Greater ʻAmakihi
 * Greater Antillean Bullfinch
 * Greater Antillean Elaenia
 * Greater Antillean Grackle
 * Greater Antillean Nightjar
 * Greater Bendigo National Park
 * Greater Bird-of-paradise
 * Greater Blue-eared Starling
 * Greater Blue Mountains Area
 * Greater coucal
 * Greater crested tern
 * Greater Double-collared Sunbird
 * Greater Flameback
 * Greater flamingo
 * Greater green leafbird
 * Greater ground robin
 * Greater Honeyguide
 * Greater Hoopoe-Lark
 * Greater Kestrel
 * Greater Koa Finch
 * Greater Melampitta
 * Greater Necklaced Laughingthrush
 * Greater Painted-snipe
 * Greater Pewee
 * Greater prairie chicken
 * Greater racket-tailed drongo
 * Greater roadrunner
 * Greater sage-grouse
 * Greater sand plover
 * Greater scaup
 * Greater Short-toed Lark
 * Greater Sooty Owl
 * Greater Spotted Eagle
 * Greater Striped Swallow
 * Greater Sulphur-crested Cockatoo
 * Greater Swamp Warbler
 * Greater white-fronted goose
 * Greater yellow-headed vulture
 * Greater yellowlegs
 * Greater Yellownape
 * Green-and-gold Tanager
 * Green-and-rufous Kingfisher
 * Green-and-white Hummingbird
 * Green-backed Camaroptera
 * Green-backed Eremomela
 * Green-backed Firecrown
 * Green-backed Honeyeater
 * Green-backed Kingfisher
 * Green-backed Sparrow
 * Green-backed Tit
 * Green-backed Trogon
 * Green-backed Twinspot
 * Green-backed Whistler
 * Green-backed white-eye
 * Green-bellied Hummingbird
 * Green-billed coucal
 * Green-billed malkoha
 * Green-billed Toucan
 * Green-breasted Bushshrike
 * Green-breasted Mango
 * Green-breasted Pitta
 * Green-capped Tanager
 * Green-cheeked Parakeet
 * Green-crowned Brilliant
 * Green-crowned Warbler
 * Green-crowned Woodnymph
 * Green-eared Barbet
 * Green-faced Parrotfinch
 * Green-headed Hillstar
 * Green-headed Oriole
 * Green-headed Sunbird
 * Green-headed Tanager
 * Green-legged Partridge
 * Green-rumped Parrotlet
 * Green-striped Brush Finch
 * Green-tailed Emerald
 * Green-tailed Jacamar
 * Green-tailed Sunbird
 * Green-tailed Towhee
 * Green-tailed Warbler
 * Green-throated Carib
 * Green-throated Mango
 * Green-throated Sunbird
 * Green-winged Pytilia
 * Green-winged Saltator
 * Green-winged teal
 * Green Aracari
 * Green Avadavat
 * Green Bee-eater
 * Green Broadbill
 * Green Catbird
 * Green cochoa
 * Green Crombec
 * Green Figbird
 * Green Hermit
 * Green heron
 * Green Honeycreeper
 * Green Hylia
 * Green Ibis
 * Green Imperial Pigeon
 * Green Island (Okaihe)
 * Green jay
 * Green jery
 * Green Junglefowl
 * Green Kingfisher
 * Green Longtail
 * Green Manakin
 * Green Mango
 * Green oriole
 * Green Parakeet
 * Green peafowl
 * Green Pheasant
 * Green Pygmy Goose
 * Green Racket-tail
 * Green Rosella
 * Green sandpiper
 * Green Shrike-babbler
 * Green Thorntail
 * Green Violetear
 * Green Warbler
 * Green Warbler-Finch
 * Green Wood Hoopoe
 * Greene Smith
 * Greenish Elaenia
 * Greenish Mourner
 * Greenish Schiffornis
 * Greenish Warbler
 * Greenly Island, Canada
 * Gregory Mathews
 * Grenada dove
 * Grenen
 * Grey-backed Cisticola
 * Grey-backed Fiscal
 * Grey-backed Shrike
 * Grey-backed Storm Petrel
 * Grey-backed Tachuri
 * Grey-backed thrush
 * Grey-banded mannikin
 * Grey-barred Wren
 * Grey-bellied Comet
 * Grey-bellied cuckoo
 * Grey-bellied Flowerpiercer
 * Grey-bellied Tesia
 * Grey-breasted Crake
 * Grey-breasted Parakeet
 * Grey-breasted partridge
 * Grey-breasted Prinia
 * Grey-breasted Sabrewing
 * Grey-breasted Wood Wren
 * Grey-breasted Woodpecker
 * Grey-browed Brush Finch
 * Grey-brown white-eye
 * Grey-capped Greenfinch
 * Grey-capped Hemispingus
 * Grey-capped Pygmy Woodpecker
 * Grey-capped Social Weaver
 * Grey-capped Tyrannulet
 * Grey-cheeked Fulvetta
 * Grey-cheeked Green Pigeon
 * Grey-cheeked Parakeet
 * Grey-cheeked thrush
 * Grey-cheeked Tit-Babbler
 * Grey-cheeked Warbler
 * Grey-chested babbler
 * Grey-chinned Hermit
 * Grey-chinned Minivet
 * Grey-chinned Sunbird
 * Grey-collared Oriole
 * Grey-crowned Crocias
 * Grey-crowned mannikin
 * Grey-crowned Prinia
 * Grey-crowned Tanager
 * Grey-crowned Tetraka
 * Grey-crowned Warbler
 * Grey-crowned Woodpecker
 * Grey-eared Brush Finch
 * Grey-eared Honeyeater
 * Grey-faced Buzzard
 * Grey-fronted Dove
 * Grey-fronted Honeyeater
 * Grey-fronted Quail-Dove
 * Grey-green Fruit Dove
 * Grey-headed Albatross
 * Grey-headed Batis
 * Grey-headed Broadbill
 * Grey-headed Bulbul
 * Grey-headed Bullfinch
 * Grey-headed Bushshrike
 * Grey-headed Canary-flycatcher
 * Grey-headed Fish Eagle
 * Grey-headed Fruit Dove
 * Grey-headed Goshawk
 * Grey-headed Greenbul
 * Grey-headed gull
 * Grey-headed Honeyeater
 * Grey-headed Imperial Pigeon
 * Grey-headed kingfisher
 * Grey-headed Lapwing
 * Grey-headed Lovebird
 * Grey-headed mannikin
 * Grey-headed nigrita
 * Grey-headed oliveback
 * Grey-headed Parakeet
 * Grey-headed Parrotbill
 * Grey-headed silverbill
 * Grey-headed Spinetail
 * Grey-headed Sunbird
 * Grey-headed Warbler
 * Grey-headed Woodpecker
 * Grey-hooded Attila
 * Grey-hooded Parrotbill
 * Grey-hooded Sunbird
 * Grey-hooded Warbler
 * Grey-hooded white-eye
 * Grey-lined Hawk
 * Grey-naped Antpitta
 * Grey-necked Bunting
 * Grey-necked rockfowl
 * Grey-necked Wood Rail
 * Grey-rumped Swallow
 * Grey-rumped Swift
 * Grey-sided Bush Warbler
 * Grey-sided Flowerpecker
 * Grey-sided Laughingthrush
 * Grey-sided thrush
 * Grey-tailed Mountaingem
 * Grey-tailed tattler
 * Grey-throated babbler
 * Grey-throated Barbet
 * Grey-throated Chat
 * Grey-throated Rail
 * Grey-throated Sunbird
 * Grey-throated Tit-Flycatcher
 * Grey-throated white-eye
 * Grey-winged blackbird
 * Grey-winged Cotinga
 * Grey-winged francolin
 * Grey-winged Inca Finch
 * Grey-winged Robin-Chat
 * Grey-winged Trumpeter
 * Grey Apalis
 * Grey Bunting
 * Grey Bush Chat
 * Grey Butcherbird
 * Grey Crested Tit
 * Grey crow
 * Grey crowned crane
 * Grey Cuckooshrike
 * Grey currawong
 * Grey Emutail
 * Grey Falcon
 * Grey fantail
 * Grey francolin
 * Grey go-away-bird
 * Grey Goshawk
 * Grey Grasswren
 * Grey ground thrush
 * Grey Gull
 * Grey hawk
 * Grey heron
 * Grey Honeyeater
 * Grey Hypocolius
 * Grey Island (South Orkney Islands)
 * Grey Junglefowl
 * Grey Kestrel
 * Grey Longbill
 * Grey Nightjar
 * Grey partridge
 * Grey peacock-pheasant
 * Grey Peaks National Park
 * Grey plover
 * Grey Pond
 * Grey Pratincole
 * Grey Shrikethrush
 * Grey Sibia
 * Grey Silky-flycatcher
 * Grey Teal
 * Grey Tit-Flycatcher
 * Grey Treepie
 * Grey Trembler
 * Grey Wagtail
 * Grey warbler
 * Grey Warbler-Finch
 * Grey Waxbill
 * Grey Woodpecker
 * Grey Wren
 * Grey Wren-Warbler
 * Greyish Eagle-Owl
 * Greyish Miner
 * Greyish Piculet
 * Greyish Saltator
 * Greylag goose
 * Griffith Wetlands Important Bird Area
 * Griffon Vulture
 * Grimwood's Longclaw
 * Groove-billed ani
 * Groove-billed Toucanet
 * Grosbeak Starling
 * Ground Cuckooshrike
 * Ground hornbill
 * Ground roller
 * Ground Tit
 * Ground Woodpecker
 * Groundscraper thrush
 * Grouse
 * Growling Riflebird
 * Grus pagei
 * Guadalcanal Honeyeater
 * Guadalcanal thrush
 * Guadalupe caracara
 * Guadalupe Junco
 * Guadalupe murrelet
 * Guadalupe Storm Petrel
 * Guadeloupe Amazon
 * Guadeloupe Parakeet
 * Guadeloupe Woodpecker
 * Guaiabero
 * Guaiquinima Whitestart
 * Guam Flycatcher
 * Guamblin Island
 * Guanay Cormorant
 * Guatemalan Pygmy Owl
 * Gudavi Bird Sanctuary
 * Guépratte Island
 * Guianan cock-of-the-rock
 * Guianan Gnatcatcher
 * Guianan Puffbird
 * Guianan Red Cotinga
 * Guianan Schiffornis
 * Guianan Toucanet
 * Guianan Tyrannulet
 * Guianan Warbling Antbird
 * Guillemot
 * Guinea turaco
 * Guineafowl
 * Guira cuckoo
 * Guissezholmen Bird Sanctuary
 * Gulaga National Park
 * Güldenstädt's Redstart
 * Gulf Plains Important Bird Area
 * Gulf St Vincent Important Bird Area
 * Gull-billed tern
 * Gull Island (Tasmania)
 * Gum Lagoon Conservation Park
 * Gun Island
 * Gundlach's Hawk
 * Gunnison Grouse
 * Gurilynia
 * Gurney's eagle
 * Gurney's Pitta
 * Gurney's Sugarbird
 * Guttulate Foliage-gleaner
 * Guy Dutson
 * Guy Mountfort
 * Gwydir Wetlands
 * Gymnogyps varonai
 * Gyrfalcon
 * Gyrfalcon Islands
 * H. C. Yarrow
 * Haast's eagle
 * Hachiroungou Important Bird Area
 * Hadada Ibis
 * Hainan Leaf Warbler
 * Hainan Partridge
 * Hainan Peacock-Pheasant
 * Hair-crested drongo
 * Hairy-breasted Barbet
 * Hairy Hermit
 * Hairy Woodpecker
 * Half-collared Sparrow
 * Half Moon Island
 * Halimornis
 * Hall's Babbler
 * Halmahera Cuckooshrike
 * Halmahera Flowerpecker
 * Ham Wall
 * Hamerkop
 * Hammond's Flycatcher
 * Handa, Scotland
 * Handbook of Australian, New Zealand and Antarctic Birds
 * Handbook of the Birds of India and Pakistan
 * Handsome Francolin
 * Handsome Fruiteater
 * Handsome Sunbird
 * Hangnest Tody-Tyrant
 * Hannah Bay
 * Hans and Pat Suter Wildlife Refuge
 * Hantzsch Island
 * Happy Wren
 * Harbour Islets
 * Hardhead
 * Harlequin Antbird
 * Harlequin duck
 * Harlequin Quail
 * Harmony Point
 * Harold Douglas Pratt, Jr.
 * Harold Frith
 * Harold Hall Australian Expeditions
 * Harold Raeburn
 * Harpy eagle
 * Harriet Mann Miller
 * Harris's hawk
 * Harris's Sparrow
 * Harris, Scotland
 * Harry Church Oberholser
 * Harry Forbes Witherby
 * Harry Frederick Recher
 * Harry Gibbons Migratory Bird Sanctuary
 * Harry Morrey Salmon
 * Harry Wolstenholme
 * Harsens Island
 * Hartlaub's Duck
 * Hartlaub's Gull
 * Hartlaub's Spurfowl
 * Hartlaub's turaco
 * Harwood's Francolin
 * Hastings-Macleay Important Bird Area
 * Hastings Rarities
 * Hastings Russell, 12th Duke of Bedford
 * Hattah-Kulkyne National Park
 * Haul Round Island
 * Hauxwell's thrush
 * Havergate Island
 * Hawai'i Mamo
 * Hawaiʻi ‘Elepaio
 * Hawaiʻi ʻAmakihi
 * Hawaii Audubon Society
 * Hawaiʻi Creeper
 * Hawaiʻi ʻŌʻō
 * Hawaiian coot
 * Hawaiian duck
 * Hawaiian Gallinule
 * Hawaiian hawk
 * Hawaiian honeycreeper
 * Hawaiian honeycreeper conservation
 * Hawaiian petrel
 * Hawaiian rail
 * Hawaiian stilt
 * Hawfinch
 * Hawk Mountain Sanctuary
 * Hawkins's Rail
 * Hay-Zama Lakes
 * Hay Island (Queensland)
 * Hay Island (Tasmania)
 * Hayle Estuary
 * Hazel Grouse
 * Heard Island and McDonald Islands
 * Heard Island Shag
 * Heart-spotted Woodpecker
 * Heath Hen
 * Heathcote-Graytown National Park
 * Heather Williams (biologist)
 * Heavy-footed Moa
 * Heermann's gull
 * Helen Frances James
 * Hellmayr's Pipit
 * Helmet Vanga
 * Helmeted Curassow
 * Helmeted Guineafowl
 * Helmeted Honeyeater
 * Helmeted Hornbill
 * Helmeted Manakin
 * Helmeted Myna
 * Hemignathus
 * Hen and Chicken Islands
 * Hen harrier
 * Hen Island (Tasmania)
 * Henderson Archaic Pigeon
 * Henderson Ground Dove
 * Henderson Imperial Pigeon
 * Henderson Island (Pitcairn Islands)
 * Henderson Islets
 * Henna-tailed Jungle Flycatcher
 * Henri's Snowfinch
 * Henri Pittier National Park
 * Henry Baker Tristram
 * Henry Boardman Conover
 * Henry Bryant (naturalist)
 * Henry Doorly Zoo and Aquarium
 * Henry Doubleday (1808–1875)
 * Henry Eeles Dresser
 * Henry Eliot Howard
 * Henry Haversham Godwin-Austen
 * Henry John Pearson
 * Henry Kendall (ornithologist)
 * Henry Lawrie Bell
 * Henry Luke White
 * Henry Maurice Drummond-Hay
 * Henry Morris Upcher
 * Henry Neville Southern
 * Henry Ogg Forbes
 * Henry Saxby
 * Henry Seebohm
 * Henry Wetherbee Henshaw
 * Henry Wood Elliott
 * Henslow's Sparrow
 * Henst's Goshawk
 * Hepatic Tanager
 * Herbert Christopher Robinson
 * Herbert Friedmann
 * Herbert Girton Deignan
 * Herbert Thomas Condon
 * Hermansenøya Bird Sanctuary
 * Hermit thrush
 * Hermit Warbler
 * Heron Island (Queensland)
 * Hesperornis
 * Hestur
 * Heuglin's Francolin
 * Heuglin's Gull
 * Heuglin's Masked Weaver
 * Heuglin's Wheatear
 * Heywood Island (Antarctica)
 * Hierofalcon
 * Higginson Island
 * High-billed crow
 * Highland Elaenia
 * Highland Finch
 * Hildegarde Howard
 * Hilgay Heronry
 * Hill Blue Flycatcher
 * Hill Partridge
 * Hill pigeon
 * Hill Prinia
 * Hill Swallow
 * Himalayan Beautiful Rosefinch
 * Himalayan Black-lored Tit
 * Himalayan Bluetail
 * Himalayan bulbul
 * Himalayan cuckoo
 * Himalayan Cutia
 * Himalayan Flameback
 * Himalayan Monal
 * Himalayan Quail
 * Himalayan snowcock
 * Himalayan Swiftlet
 * Himalayan Vulture
 * Himalayan White-browed Rosefinch
 * Himalayan Woodpecker
 * Hinasuri
 * Hinde's Babbler
 * Hippolyte Rocks
 * Hispaniolan Amazon
 * Hispaniolan Crossbill
 * Hispaniolan Emerald
 * Hispaniolan lizard cuckoo
 * Hispaniolan Nightjar
 * Hispaniolan Oriole
 * Hispaniolan Parakeet
 * Hispaniolan Spindalis
 * Hispaniolan trogon
 * Hispaniolan Woodpecker
 * Hoary-headed Grebe
 * Hoary-throated Barwing
 * Hoatzin
 * Hoazinavis
 * Hobbs Island (Tasmania)
 * Hobhouse Inlet
 * Hodbarrow Nature Reserve
 * Hodgens' Waterhen
 * Hodgson's Frogmouth
 * Hodgson's hawk-cuckoo
 * Hodgson's Redstart
 * Hoffmanns's Woodcreeper
 * Holburn Lake and Moss
 * Holleton Important Bird Area
 * Hombron's Kingfisher
 * Honduran Emerald
 * Honeybird
 * Honeycreeper
 * Honeyguide Greenbul
 * Hood Mockingbird
 * Hooded Berryeater
 * Hooded crane
 * Hooded crow
 * Hooded Dotterel
 * Hooded Gnateater
 * Hooded Grebe
 * Hooded Grosbeak
 * Hooded mannikin
 * Hooded Oriole
 * Hooded Parrot
 * Hooded Pitohui
 * Hooded Pitta
 * Hooded Robin
 * Hooded Seedeater
 * Hooded Siskin
 * Hooded Treepie
 * Hooded Vulture
 * Hooded Warbler
 * Hooded Wheatear
 * Hooded Yellowthroat
 * Hoogerwerf's Pheasant
 * Hook-billed Hermit
 * Hook-billed kite
 * Hook-billed Vanga
 * Hoopoe
 * Hoopoe-billed ʻAkialoa
 * Hoopoe Starling
 * Hope Bay
 * Hope Harbour
 * Hopen, Svalbard
 * Horace Alexander
 * Horace William Wheelwright
 * Horned Coot
 * Horned Curassow
 * Horned grebe
 * Horned Guan
 * Horned Lark
 * Horned Parakeet
 * Horned Sungem
 * Hornsea Mere
 * Horsfield's bronze cuckoo
 * Horsfield's Bush Lark
 * Horton Plains National Park
 * Horus Swift
 * Hose's Broadbill
 * Hose's Partridge
 * Hoselaw Loch and Din Moss
 * Hoskyn Islands
 * Hottentot Teal
 * Houbara Bustard
 * House Bunting
 * House crow
 * House Finch
 * House sparrow
 * House Swift
 * House Wren
 * Houtman Abrolhos
 * Howard Saunders
 * Howth Head
 * Hoy
 * Huahine Cuckoo-Dove
 * Huahine Gull
 * Huahine Rail
 * Huahine Starling
 * Huahine Swamphen
 * Huallaga Tanager
 * Hubert Lynes
 * Hubert Whittell
 * Hubert Wilkins
 * Huet's Fulvetta
 * Hugh Alastair Ford
 * Hugh Edwin Strickland
 * Hugh Whistler
 * Huia
 * Hull River National Park
 * Humaita Antbird
 * Humble Island
 * Humboldt Penguin
 * Hume's Bush Warbler
 * Hume's Hawk-Owl
 * Hume's Leaf Warbler
 * Hume's Owl
 * Hume's Short-toed Lark
 * Hume's Treecreeper
 * Hume's Wheatear
 * Hume's Whitethroat
 * Hummingbird
 * Hummock Island
 * Hunstein's mannikin
 * Hunter's Cisticola
 * Hunter Estuary Wetlands
 * Hunter Island (Tasmania)
 * Hunter Island Group Important Bird Area
 * Hunter Island Penguin
 * Hunter Valley Important Bird Area
 * Huntspill
 * Huon Astrapia
 * Huon Melidectes
 * Huron-Manistee National Forests
 * Hutovo Blato
 * Hutton's Shearwater
 * Hutton's Vireo
 * Hyacinth Macaw
 * Hyland Bay and Moyle Floodplain
 * Hylocitrea
 * Iaceornis
 * Iago Sparrow
 * Ian Appleyard
 * Ian J. Mason
 * Ian Newton
 * Ian Rowley
 * Ian Strange
 * Ian Wallace (ornithologist)
 * Ibadan Malimbe
 * Iberomesornis
 * Ibisbill
 * Ic-Cnus to Tal-Bardan Cliffs Important Bird Area
 * Icadyptes salasi
 * Iceland gull
 * Ichthyornis
 * Icterine Greenbul
 * Icterine Warbler
 * Idle Valley Nature Reserve
 * ʻIʻiwi
 * Il-Kullana to ta' Gifen Cliffs Important Bird Area
 * Ilbandornis
 * Ildefonso Islands
 * Île aux Cochons
 * Île de l'Est
 * Île de la Possession
 * Île des Pingouins
 * Ile du Golfe
 * Île du Lys
 * Île Foch
 * Île Howe
 * Ile Longue (Peros Banhos)
 * Ile Parasol
 * Île Saint-Lanne Gramont
 * Île Saint-Paul
 * Ilerdopteryx
 * Îles Leygues
 * Îles Nuageuses
 * Ilhéu Branco
 * Ilhéu de Curral Velho and adjacent coast Important Bird Area
 * Ilhéu Raso
 * Ilhéus Secos
 * Illinois Ornithological Society
 * Îlots des Apôtres
 * Imeri Warbling Antbird
 * Imperial Amazon
 * Imperial Pheasant
 * Imperial Shag
 * Imperial Woodpecker
 * Important Bird Area
 * Inaccessible Island
 * Inaccessible Islands
 * Inca dove
 * Inca Flycatcher
 * Inca jay
 * Inca Tern
 * Inca Wren
 * Indawgyi Lake
 * Indian Black-lored Tit
 * Indian blackbird
 * Indian Blue Robin
 * Indian Bush Lark
 * Indian Cormorant
 * Indian Courser
 * Indian cuckoo
 * Indian eagle-owl
 * Indian Grassbird
 * Indian Grey Hornbill
 * Indian Nightjar
 * Indian Nuthatch
 * Indian peafowl
 * Indian Pitta
 * Indian pond heron
 * Indian Robin
 * Indian Roller
 * Indian Scimitar Babbler
 * Indian scops owl
 * Indian silverbill
 * Indian Skimmer
 * Indian Spotted Creeper
 * Indian Spotted Eagle
 * Indian Stone-curlew
 * Indian Swiftlet
 * Indian Vulture
 * Indigo-banded Kingfisher
 * Indigo-capped Hummingbird
 * Indigo bunting
 * Indigo Flowerpiercer
 * Indigo Macaw
 * Indochinese Green Magpie
 * Indonesian Honeyeater
 * Ingeborgfjellet
 * Inishmurray
 * Inishtrahull Island
 * Inkayacu
 * Inland Dotterel
 * Inland Thornbill
 * Inner Little Goose Island
 * Innes National Park
 * Insh Marshes
 * Intermediate egret
 * Intermountain West Joint Venture
 * International Crane Foundation
 * International Migratory Bird Day
 * Inversnaid
 * Investigator Group
 * Invisible rail
 * Iolo Williams
 * Iora
 * Iphis Monarch
 * Iquitos Gnatcatcher
 * Ira Lalaro
 * Ira Noel Gabrielson
 * Irabere estuary and Iliomar forest Important Bird Area
 * Iraq Babbler
 * Ireland's Eye
 * Iringa Akalat
 * Iris Lorikeet
 * Isabel Bassett Wasson
 * Isabela Oriole
 * Isabella Island
 * Isabelline Bush-hen
 * Isabelline Shrike
 * Isabelline Wheatear
 * Ishkashim Important Bird Area
 * Iskanderkul
 * Isla Aves
 * Isla de Flores
 * Isla de las Gaviotas, Montevideo
 * Isla de Lobos
 * Island Scrub Jay
 * Island thrush
 * Island Whistler
 * Islands North of Port Stewart Important Bird Area
 * Isles of Scilly
 * Islet off NE Groote Eylandt Important Bird Area
 * Isøyane Bird Sanctuary
 * Italian Sparrow
 * Itatiaia Spinetail
 * Ituri Batis
 * Ivan Carnaby
 * Ivory-backed Woodswallow
 * Ivory-billed Woodpecker
 * Ivory-breasted Pitta
 * Ivory gull
 * Iwo Jima Rail
 * Izu thrush
 * J. Denis Summers-Smith
 * J. Dewey Soper
 * J. K. Stanford
 * J. Lewis Bonhote
 * J. Michael Scott
 * Ja River Scrub Warbler
 * Jabiru
 * Jack Hyett
 * Jack snipe
 * Jack Vincent
 * Jackal Buzzard
 * Jackson's Pipit
 * Jackson's Widowbird
 * Jackson Bottom Wetlands Preserve
 * Jackson Head to Stafford River Important Bird Area
 * Jackson Miles Abbott
 * Jacky Winter
 * Jaco Island
 * Jacob Henry Studer
 * Jacobin cuckoo
 * Jacquemart Island
 * Jalbarragup Important Bird Area
 * Jamaican Becard
 * Jamaican blackbird
 * Jamaican Caracara
 * Jamaican crow
 * Jamaican Elaenia
 * Jamaican Ibis
 * Jamaican lizard cuckoo
 * Jamaican Mango
 * Jamaican Oriole
 * Jamaican Owl
 * Jamaican Petrel
 * Jamaican Pewee
 * Jamaican Poorwill
 * Jamaican red macaw
 * Jamaican Spindalis
 * Jamaican Tody
 * Jamaican Vireo
 * Jamaican Wood Rail
 * Jamaican Woodpecker
 * Jambandu Indigobird
 * Jambu Fruit Dove
 * James's flamingo
 * James Allen Keast
 * James Bell Pettigrew
 * James Bolton
 * James Bond (ornithologist)
 * James Chapin
 * James Clements
 * James Edmund Harting
 * James Eike
 * James Ferguson-Lees
 * James Fisher (naturalist)
 * James Francis Stephens
 * James Franklin (naturalist)
 * James Greenway
 * James Henry Fleming
 * James Hepburn (ornithologist)
 * James Lee Peters
 * James Macdonald (ornithologist)
 * James Parsons Burkitt
 * James Roy Kinghorn
 * James William Abert
 * Jameson's Antpecker
 * Jameson's Firefinch
 * Jameson's Wattle-eye
 * Jameson Point
 * Jan Mayen
 * Jandaya Parakeet
 * Janet Kear
 * Jankowski's Bunting
 * Japanese Accentor
 * Japanese Bush Warbler
 * Japanese Cormorant
 * Japanese Green Woodpecker
 * Japanese Grosbeak
 * Japanese murrelet
 * Japanese night heron
 * Japanese Paradise Flycatcher
 * Japanese quail
 * Japanese Reed Bunting
 * Japanese Robin
 * Japanese scops owl
 * Japanese Skylark
 * Japanese Sparrowhawk
 * Japanese thrush
 * Japanese Tit
 * Japanese Wagtail
 * Japanese waxwing
 * Japanese White-eye
 * Japanese wood pigeon
 * Japoon National Park
 * Jason Islands
 * Java sparrow
 * Javan cochoa
 * Javan Flameback
 * Javan Fulvetta
 * Javan hawk-eagle
 * Javan Kingfisher
 * Javan Lapwing
 * Javan munia
 * Javan Myna
 * Javan Owlet
 * Javan Plover
 * Javan pond heron
 * Javan scops owl
 * Javan Sunbird
 * Javan Trogon
 * Javan Whistling Thrush
 * Jayamangali Blackbuck Reserve
 * Jean Théodore Delacour
 * Jeffery Boswall
 * Jelski's Chat-Tyrant
 * Jemima Blackburn
 * Jemima Parry-Jones
 * Jenny Lind Island
 * Jerdon's Babbler
 * Jerdon's Baza
 * Jerdon's Bush Chat
 * Jerdon's Bush Lark
 * Jerdon's Courser
 * Jerdon's Leafbird
 * Jerdon's Nightjar
 * Jeremy Greenwood
 * Jervis Bay
 * Jessie Maye Smith
 * Jim Flegg
 * Jiro Kikkawa
 * Joan Paton
 * Jobi Manucode
 * Jock Marshall
 * Jocotoco Antpitta
 * Joel Asaph Allen
 * Johanna's Sunbird
 * John Abbot (entomologist)
 * John Albert Leach
 * John B. Cox
 * John Barrett (conservationist)
 * John Biddulph
 * John Burton Cleland
 * John Buxton (ornithologist)
 * John C. Anderton
 * John Cassin
 * John Coney Moulton
 * John Cotton (ornithologist)
 * John Danzenbaker
 * John Disney (ornithologist)
 * John Douglas Gibson
 * John Edgar Courtney
 * John Edward Gray
 * John Frederick Miller
 * John Freeman Milward Dovaston
 * John Gooders
 * John Gould
 * John Graham Bell
 * John Guille Millais
 * John Hancock (ornithologist)
 * John Henry Gurney Jr.
 * John Henry Gurney Sr.
 * John Henry Vaughan
 * John Hobbs (ornithologist)
 * John James Audubon
 * John Kenneth Terres
 * John Kirk Townsend
 * John Latham (ornithologist)
 * John Legg (ornithologist)
 * John Lewis Childs
 * John Livsey Ridgway
 * John McClelland (doctor)
 * John McKean (ornithologist)
 * John Michael Cullen
 * John Morton Boyd
 * John Neil McGilp
 * John Richardson (naturalist)
 * John Thayer (ornithologist)
 * John Todd Zimmer
 * John Treadwell Nichols
 * John W. Fitzpatrick
 * John Warham
 * John Warren Aldrich
 * John Whitehead (explorer)
 * John Wiens
 * John Woinarski
 * John Yealland
 * John Young (cinematographer)
 * Johnston Atoll
 * Jon Edward Ahlquist
 * Jonathan Dwight
 * Jonathan Elphick
 * Jonquil Parrot
 * Jos Plateau Indigobird
 * Joseph Beal Steere
 * Joseph Forshaw
 * Joseph H. Acklen
 * Joseph Harvey Riley
 * Joseph Whitaker (ornithologist)
 * Josephine's Lorikeet
 * Jouanin's petrel
 * Joubin Islands
 * Jourdain Society
 * Juan de Nova Island
 * Juan Fernández Firecrown
 * Juan Fernández Tit-Tyrant
 * Juan Gundlach
 * Juan Lembeye
 * Juba Game Reserve
 * Judbarra / Gregory National Park
 * Judinornis
 * Judith Toups
 * Julian Ralph Ford
 * Juncal Island
 * Juneau Raptor Center
 * Jungle Babbler
 * Jungle Bush Quail
 * Jungle crow
 * Jungle Myna
 * Jungle Nightjar
 * Jungle Owlet
 * Jungle Prinia
 * Junín Canastero
 * Junin Crake
 * Junin Grebe
 * Junin Tapaculo
 * Juniper Titmouse
 * Kabobo Apalis
 * Kadalundi Bird Sanctuary
 * Kadavu Fantail
 * Kadavu Honeyeater
 * Kaempfer's Tody-Tyrant
 * Kaempfer's Woodpecker
 * Kaggaladu Bird Sanctuary
 * Kagu
 * Kai Cicadabird
 * Kai coucal
 * Kaiika
 * Kairuku
 * Kairuku grebneffi
 * Kakadu National Park
 * Kakapo
 * Kākāriki
 * Kākāwahie
 * Kalamunda National Park
 * Kalij pheasant
 * Kalinowski's Chat-Tyrant
 * Kalkadoon Grasswren
 * Kalsoy
 * Kāmaʻo
 * Kanaha Pond State Wildlife Sanctuary
 * Kanaka Pigeon
 * Kangaroo Island
 * Kangryong Field
 * Kanjirankulam Bird Sanctuary
 * Kanowna Island
 * Kapp Linné Bird Sanctuary
 * Karakul (Tajikistan)
 * Karamoja Apalis
 * Karara and Lochada Important Bird Area
 * Karoo Chat
 * Karoo Lark
 * Karoo Prinia
 * Karoo Scrub Robin
 * Karoo thrush
 * Karroun Hill Nature Reserve
 * Karthala White-eye
 * Kartsakhi Lake
 * Kashmir Flycatcher
 * Kashmir nuthatch
 * Kate Humble
 * Kate Vincent
 * Kathleen Island
 * Kattasay and Daganasay Reservoirs Important Bird Area
 * Kaua'i mole duck
 * Kauaʻi ‘Elepaio
 * Kauaʻi ʻAkialoa
 * Kauaʻi ʻAmakihi
 * Kauaʻi Finch
 * Kauaʻi Nukupuʻu
 * Kauaʻi ʻŌʻō
 * Kauai Palila
 * Kaudulla National Park
 * Kawall's Amazon
 * Kayrakkum Reservoir
 * Kaziranga National Park
 * Kea
 * Kealia Pond National Wildlife Refuge
 * Keel-billed Motmot
 * Keel-billed Toucan
 * Keep River Important Bird Area
 * Keep River National Park
 * Keith Alfred Hindwood
 * Keith Vinicombe
 * Kelbra Dam
 * Kelenken
 * Kellick Island
 * Kelp Goose
 * Kelp gull
 * Kemp's Longbill
 * Ken Simmons
 * Kendall Island Migratory Bird Sanctuary
 * Kenn Kaufman
 * Kenneth Williamson
 * Kentish plover
 * Kentucky Warbler
 * Kenya Sparrow
 * Keoladeo National Park
 * Keppel Island
 * Kerala Laughingthrush
 * Kerguelen Petrel
 * Kermadec Islands
 * Kermadec petrel
 * Kermadec Red-crowned Parakeet
 * Kern River Preserve
 * Kessler's Thrush
 * Key West Quail-Dove
 * Khaki Campbell
 * Khaparwas Wildlife Sanctuary
 * Khijadiya Bird Sanctuary
 * Khosrov State Reserve
 * Kibale National Park
 * Kidepo Game Reserve
 * Kidepo Valley National Park
 * Kidney Island
 * Killdeer
 * Kilombero Weaver
 * Kimberley Honeyeater
 * Kimberley Pipit
 * King's Sedgemoor
 * King's Sedgemoor Drain
 * King (pigeon)
 * King Bird-of-paradise
 * King eider
 * King Island (Tasmania)
 * King Kong Grosbeak
 * King of Holland's Bird of Paradise
 * King of Saxony Bird-of-paradise
 * King Penguin
 * King Quail
 * King rail
 * King vulture
 * Kinglet Calyptura
 * Kioea
 * Kirtland's Warbler
 * Kittiwake
 * Kittlitz's Plover
 * Kivu ground thrush
 * Kızılırmak Delta
 * Klaas's cuckoo
 * Klages's Antbird
 * Klages's Antwren
 * Knob-billed Duck
 * Knob-billed Fruit Dove
 * Knobbed Hornbill
 * Knysna turaco
 * Knysna Warbler
 * Knysna Woodpecker
 * Koepcke's Hermit
 * Kofiau Monarch
 * Kōkako
 * Koklass Pheasant
 * Kolombangara Monarch
 * Kolombangara White-eye
 * Koltur
 * Kona Grosbeak
 * Kondara Gorge
 * Kongsfjorden Bird Sanctuary
 * Konstantin Halafoff
 * Koobabbie Important Bird Area
 * Kookaburra
 * Koothankulam Bird Sanctuary
 * Kordofan Sparrow
 * Korean magpie
 * Koreelah National Park
 * Kori Bustard
 * Kosrae Starling
 * Kowhai Valley and Shearwater Stream Important Bird Area
 * Kozlov's Accentor
 * Krüper's nuthatch
 * Kuhl's Lorikeet
 * Kulikalon Lakes
 * Kullaberg
 * Kumarakom Bird Sanctuary
 * Kumlien's Gull
 * Kumya Bay Important Bird Area
 * Kunoy
 * Kurdish Wheatear
 * Kure Atoll
 * Kurrartapu
 * Kurrichane thrush
 * Kurrimine Beach National Park
 * Kutch Bustard Sanctuary
 * Kutini-Payamu (Iron Range) National Park
 * Kuwolsan
 * Kwobrup-Badgebup Important Bird Area
 * L'Esperance Rock
 * L. Austin Jr Oliver
 * La Digue
 * La Palma chaffinch
 * La Selle thrush
 * Labrador duck
 * Lac Deschênes
 * Laced Woodpecker
 * Lacepede Islands
 * Ladder-backed Woodpecker
 * Ladder-tailed Nightjar
 * Lady Amherst's Pheasant
 * Lady Musgrave Island
 * Laevisoolithus
 * Lafresnaye's Vanga
 * Lafresnaye's Woodcreeper
 * Laggar Falcon
 * Lågskär
 * Laguna de la Restinga
 * Lake Albert (South Australia)
 * Lake Alexandrina (South Australia)
 * Lake Argyle
 * Lake Ballard
 * Lake Barlee
 * Lake Bathurst (New South Wales)
 * Lake Be Malae
 * Lake Beeac
 * Lake Bindegolly National Park
 * Lake Bisina
 * Lake Blanche
 * Lake Borrie Wetlands
 * Lake Bujon National Park
 * Lake Callabonna
 * Lake Connewarre
 * Lake Connewarre State Wildlife Reserve
 * Lake Corangamite
 * Lake Duck
 * Lake Erie Metropark
 * Lake Eyre
 * Lake Galilee (Queensland)
 * Lake Gore
 * Lake Gregory (South Australia)
 * Lake Gregory (Western Australia)
 * Lake Hawdon System Important Bird Area
 * Lake Joondalup
 * Lake Kompienga
 * Lake Kundi
 * Lake Kununurra
 * Lake Kwangpo
 * Lake Machattie Area
 * Lake Macleod
 * Lake Macquarie (New South Wales)
 * Lake Magenta Nature Reserve
 * Lake Manpo and Lake Bonpo Important Bird Area
 * Lake Mburo National Park
 * Lake McLarty Nature Reserve
 * Lake Muir
 * Lake Munmorah
 * Lake Newland Conservation Park
 * Lake Nokoué
 * Lake Opeta
 * Lake Pleasant View System Important Bird Area
 * Lake Rangrim
 * Lake Samilpo
 * Lake Sylvester System
 * Lake Torrens National Park
 * Lake Tungjong and Lake Chonapo Important Bird Area
 * Lake Victoria (Victoria)
 * Lake Vyrnwy
 * Lake Warden (Western Australia)
 * Lake Wollumboola
 * Lake Woods
 * Lake Yamma Yamma
 * Lake Žuvintas
 * Lakenheath Fen RSPB reserve
 * Lakes Muncoonie, Mumbleberry and Torquinie Important Bird Area
 * Lakh Bahosi Sanctuary
 * Lamington National Park
 * Lana'i 'Alauahio
 * Lāna'i Hookbill
 * Lance-tailed Manakin
 * Lanceolated Monklet
 * Lanceolated Warbler
 * Landana Firefinch
 * Langport
 * Langstone Harbour
 * Lanner Falcon
 * Lapland longspur
 * Lappet-faced Vulture
 * Large-billed Lark
 * Large-billed Leaf Warbler
 * Large-billed Reed Warbler
 * Large-billed Scrubwren
 * Large-footed Tapaculo
 * Large-tailed Nightjar
 * Large Blue Flycatcher
 * Large Cactus Finch
 * Large Cuckooshrike
 * Large Green Pigeon
 * Large Grey Babbler
 * Large Ground Finch
 * Large hawk-cuckoo
 * Large Lifou white-eye
 * Large Niltava
 * Large Scimitar Babbler
 * Large Tree Finch
 * Large Woodshrike
 * Lark Bunting
 * Lark Sparrow
 * Larne Lough
 * Larry Martin
 * Larsen Islands
 * Latham's Francolin
 * Latham's snipe
 * Laughing Dove
 * Laughing Falcon
 * Laughing gull
 * Laughing Kookaburra
 * Laughing owl
 * Laura Boulton
 * Laurel pigeon
 * Laurence Edmondston
 * Laurence Markham Huey
 * Lava Gull
 * Lava heron
 * Lava Shearwater
 * Lavender Waxbill
 * Lavocatavis
 * Lawes's Parotia
 * Lawrence's Goldfinch
 * Lawrence's thrush
 * Lawrence Courtney Haines
 * Lawrence H. Walkinshaw
 * Lawrence Rocks
 * Layard's Parakeet
 * Laysan duck
 * Laysan Finch
 * Laysan Honeycreeper
 * Laysan Millerbird
 * Laysan rail
 * Lazuli Bunting
 * Lazuli Kingfisher
 * Lazy Cisticola
 * Le Conte's Sparrow
 * Le Conte's Thrasher
 * Leach's storm petrel
 * Leaf Lorikeet
 * Leafbird
 * Lear's Macaw
 * Least auklet
 * Least bittern
 * Least Flycatcher
 * Least grebe
 * Least Honeyguide
 * Least Poorwill
 * Least sandpiper
 * Least storm petrel
 * Least tern
 * Legge's Flowerpecker
 * Legge's Hawk-Eagle
 * Legune (Joseph Bonaparte Bay) Important Bird Area
 * Leighton Moss RSPB reserve
 * Leipoa
 * Lemon-bellied Crombec
 * Lemon-bellied White-eye
 * Lemon-rumped Warbler
 * Lemon-throated Barbet
 * Lemon dove
 * Len Howard
 * Lengteng Wildlife Sanctuary
 * Leon Jacob Cole
 * Leonard Cutler Sanford
 * Leonhard Hess Stejneger
 * Lesley Brooker
 * Leslie Christidis
 * Leslie Gordon Chandler
 * Leslie Hilton Brown
 * Leslie Street Spit
 * Lesser Adjutant
 * Lesser ʻAkialoa
 * Lesser Antillean Bullfinch
 * Lesser Antillean macaw
 * Lesser Antillean Pewee
 * Lesser Antillean Tanager
 * Lesser Bird-of-paradise
 * Lesser black-backed gull
 * Lesser Blue-eared Starling
 * Lesser coucal
 * Lesser Crested Tern
 * Lesser cuckoo
 * Lesser Elaenia
 * Lesser Fish Eagle
 * Lesser flamingo
 * Lesser Florican
 * Lesser frigatebird
 * Lesser Golden Plover
 * Lesser Goldfinch
 * Lesser Green Leafbird
 * Lesser Grey Shrike
 * Lesser ground cuckoo
 * Lesser Ground Robin
 * Lesser Honeyguide
 * Lesser Hoopoe-Lark
 * Lesser Horned Owl
 * Lesser Jacana
 * Lesser Kestrel
 * Lesser Kiskadee
 * Lesser Koa Finch
 * Lesser Melampitta
 * Lesser Moorhen
 * Lesser Necklaced Laughingthrush
 * Lesser Nighthawk
 * Lesser Noddy
 * Lesser prairie chicken
 * Lesser racket-tailed drongo
 * Lesser Redpoll
 * Lesser roadrunner
 * Lesser sand plover
 * Lesser scaup
 * Lesser Seedcracker
 * Lesser Short-toed Lark
 * Lesser Shortwing
 * Lesser Shrike-Tyrant
 * Lesser Sooty Owl
 * Lesser Spotted Eagle
 * Lesser Spotted Woodpecker
 * Lesser Striped Swallow
 * Lesser Swallow-tailed Swift
 * Lesser Swamp Warbler
 * Lesser Vasa Parrot
 * Lesser white-fronted goose
 * Lesser Whitethroat
 * Lesser Woodcreeper
 * Lesser yellow-headed vulture
 * Lesser yellowlegs
 * Lesser Yellownape
 * Lester L. Short
 * Letter-winged Kite
 * Levaillant's Cisticola
 * Levaillant's cuckoo
 * Levant Sparrowhawk
 * Lewin's Honeyeater
 * Lewin's Rail
 * Lewis's Woodpecker
 * Liaoningornis
 * Liaoxiornis
 * Liberian Greenbul
 * Lichtenstein's sandgrouse
 * Lidth's Jay
 * Liebes
 * Liebitz
 * Light-mantled albatross
 * Light-vented Bulbul
 * Lilac-breasted Roller
 * Lilac-crowned Amazon
 * Lilac-crowned Fruit Dove
 * Lilac Kingfisher
 * Lilian's Lovebird
 * Lilyvale Important Bird Area
 * Lime Island State Recreation Area
 * Limeburners Bay
 * Limestone Islands
 * Limmen Bight
 * Limnofregata
 * Limpinwood Nature Reserve
 * Limpkin
 * Lina's Sunbird
 * Lincoln's Sparrow
 * Lincolnshire Gate
 * Lindsay Smith (ornithologist)
 * Lineated Barbet
 * Lined Forest Falcon
 * Linnaean Society of New York
 * Lions Rump
 * Liptornis
 * List of adaptive radiated Hawaiian honeycreepers by form
 * List of African birds
 * List of albatross breeding locations
 * List of Asian birds
 * List of Australian bird emblems
 * List of bird species introduced to the Hawaiian Islands
 * List of birds in Jinja
 * List of birds in Mont-Tremblant National Park
 * List of birds of Afghanistan
 * List of birds of Alaska
 * List of birds of Albania
 * List of birds of Alberta
 * List of birds of Aleutian Islands
 * List of birds of Algeria
 * List of birds of American Samoa
 * List of birds of Andhra Pradesh
 * List of birds of Andorra
 * List of birds of Angola
 * List of birds of Anguilla
 * List of birds of Antarctica
 * List of birds of Antigua and Barbuda
 * List of birds of Argentina
 * List of birds of Arizona
 * List of birds of Armenia
 * List of birds of Australia
 * List of birds of Australia, New Zealand and Antarctica
 * List of birds of Austria
 * List of birds of Azerbaijan
 * List of birds of Azibo Reservoir Protected Landscape
 * List of birds of Bahrain
 * List of birds of Bangalore
 * List of birds of Bangladesh
 * List of birds of Barbados
 * List of birds of Belarus
 * List of birds of Belgium
 * List of birds of Belize
 * List of birds of Benin
 * List of birds of Bermuda
 * List of birds of Bhutan
 * List of birds of Bolivia
 * List of birds of Bosnia and Herzegovina
 * List of birds of Botswana
 * List of birds of Brazil
 * List of birds of Brunei
 * List of birds of Bulgaria
 * List of birds of Burkina Faso
 * List of birds of Burma
 * List of birds of Burundi
 * List of birds of California
 * List of birds of Cambodia
 * List of birds of Cameroon
 * List of birds of Canada
 * List of birds of Canada and the United States
 * List of birds of Cape Verde
 * List of birds of Chad
 * List of birds of Chennai
 * List of birds of Chile
 * List of birds of China
 * List of birds of Christmas Island
 * List of birds of Colombia
 * List of birds of Colorado
 * List of birds of Comoros
 * List of birds of Connecticut
 * List of birds of Costa Rica
 * List of birds of Croatia
 * List of birds of Cuba
 * List of birds of Cyprus
 * List of birds of Denmark
 * List of birds of Djibouti
 * List of birds of Dominica
 * List of birds of Easter Island
 * List of birds of Ecuador
 * List of birds of Egypt
 * List of birds of El Salvador
 * List of birds of Equatorial Guinea
 * List of birds of Eritrea
 * List of birds of Estonia
 * List of birds of Ethiopia
 * List of birds of Fiji
 * List of birds of Finland
 * List of birds of Florida
 * List of birds of French Guiana
 * List of birds of French Polynesia
 * List of birds of Gabon
 * List of birds of Georgia (country)
 * List of birds of Georgia (U.S. state)
 * List of birds of Germany
 * List of birds of Ghana
 * List of birds of Gibraltar
 * List of birds of Glacier National Park (U.S.)
 * List of birds of Goa
 * List of birds of Great Britain
 * List of birds of Greece
 * List of birds of Greenland
 * List of birds of Grenada
 * List of birds of Guam
 * List of birds of Guatemala
 * List of birds of Guinea
 * List of birds of Guinea-Bissau
 * List of birds of Guyana
 * List of birds of Haiti
 * List of birds of Hawaii
 * List of birds of Heard and McDonald Islands
 * List of birds of Hispaniola
 * List of birds of Honduras
 * List of birds of Hong Kong
 * List of birds of Hungary
 * List of birds of Iceland
 * List of birds of Idaho
 * List of birds of Illinois
 * List of birds of India
 * List of birds of Indiana
 * List of birds of Indonesia
 * List of birds of Iowa
 * List of birds of Iran
 * List of birds of Iraq
 * List of birds of Ireland
 * List of birds of Islamabad
 * List of birds of Israel
 * List of birds of Italy
 * List of birds of Ivory Coast
 * List of birds of Jamaica
 * List of birds of Japan
 * List of birds of Jordan
 * List of birds of Kangaroo Island, South Australia
 * List of birds of Kansas
 * List of birds of Karnataka
 * List of birds of Kazakhstan
 * List of birds of Kenya
 * List of birds of Kerala
 * List of birds of King Island (Tasmania)
 * List of birds of Kiribati
 * List of birds of Korea
 * List of birds of Kuwait
 * List of birds of Kyrgyzstan
 * List of birds of Laos
 * List of birds of Latvia
 * List of birds of Lebanon
 * List of birds of Leicestershire and Rutland
 * List of birds of Lesotho
 * List of birds of Liberia
 * List of birds of Libya
 * List of birds of Liechtenstein
 * List of birds of Lithuania
 * List of birds of Luxembourg
 * List of birds of Macau
 * List of birds of Madagascar
 * List of birds of Madeira
 * List of birds of Maine
 * List of birds of Malawi
 * List of birds of Malaysia
 * List of birds of Mali
 * List of birds of Malta
 * List of birds of Maryland
 * List of birds of Massachusetts
 * List of birds of Mauritania
 * List of birds of Mauritius
 * List of birds of Metropolitan France
 * List of birds of Mexico
 * List of birds of Michigan
 * List of birds of Micronesia
 * List of birds of Minnesota
 * List of birds of Missouri
 * List of birds of Moldova
 * List of birds of Monaco
 * List of birds of Mongolia
 * List of birds of Montana
 * List of birds of Montenegro
 * List of birds of Montserrat
 * List of birds of Morocco
 * List of birds of Mozambique
 * List of birds of Namibia
 * List of birds of Nauru
 * List of birds of Nebraska
 * List of birds of Nepal
 * List of birds of Nevada
 * List of birds of New Caledonia
 * List of birds of New Jersey
 * List of birds of New Mexico
 * List of birds of New York
 * List of birds of New Zealand
 * List of birds of Nicaragua
 * List of birds of Niger
 * List of birds of Nigeria
 * List of birds of Niue
 * List of birds of North Carolina
 * List of birds of North Dakota
 * List of birds of North Korea
 * List of birds of Norway
 * List of birds of Nunavut
 * List of birds of Ohio
 * List of birds of Oklahoma
 * List of birds of Oman
 * List of birds of Ontario
 * List of birds of Oregon
 * List of birds of Pakistan
 * List of birds of Palau
 * List of birds of Palestine
 * List of birds of Panama
 * List of birds of Papua New Guinea
 * List of birds of Paraguay
 * List of birds of Pennsylvania
 * List of birds of Peru
 * List of birds of Poland
 * List of birds of Portugal
 * List of birds of Puerto Rico
 * List of birds of Qatar
 * List of birds of Queensland
 * List of birds of Réunion
 * List of birds of Romania
 * List of birds of Russia
 * List of birds of Rwanda
 * List of birds of Saint Helena
 * List of birds of Saint Kitts and Nevis
 * List of birds of Saint Lucia
 * List of birds of Saint Vincent and the Grenadines
 * List of birds of Samoa
 * List of birds of San Marino
 * List of birds of Santa Cruz County, California
 * List of birds of São Tomé and Príncipe
 * List of birds of Saudi Arabia
 * List of birds of Senegal
 * List of birds of Serbia
 * List of birds of Seychelles
 * List of birds of Sierra Leone
 * List of birds of Singanallur Lake
 * List of birds of Singapore
 * List of birds of Slovakia
 * List of birds of Slovenia
 * List of birds of Somalia
 * List of birds of South Africa
 * List of birds of South Asia
 * List of birds of South Asia: part 1
 * List of birds of South Asia: part 2
 * List of birds of South Asia: part 3
 * List of birds of South Asia: part 4
 * List of birds of South Australia
 * List of birds of South Carolina
 * List of birds of South Dakota
 * List of birds of South India
 * List of birds of South Korea
 * List of birds of South Texas
 * List of birds of Spain
 * List of birds of Sri Lanka
 * List of birds of Sudan
 * List of birds of Suriname
 * List of birds of Swaziland
 * List of birds of Sweden
 * List of birds of Switzerland
 * List of birds of Syria
 * List of birds of Taiwan
 * List of birds of Tajikistan
 * List of birds of Tamil Nadu
 * List of birds of Tanzania
 * List of birds of Tasmania
 * List of birds of Texas
 * List of birds of Thailand
 * List of birds of the Bahamas
 * List of birds of the British Virgin Islands
 * List of birds of the Cayman Islands
 * List of birds of the Central African Republic
 * List of birds of the Cook Islands
 * List of birds of the Czech Republic
 * List of birds of the Democratic Republic of the Congo
 * List of birds of the Dominican Republic
 * List of birds of the Faroe Islands
 * List of birds of the Gambia
 * List of birds of the Houtman Abrolhos
 * List of birds of the Isle of Man
 * List of birds of the Klamath Basin
 * List of birds of the Madrean Sky Islands
 * List of birds of the Maldives
 * List of birds of the Marshall Islands
 * List of birds of the Netherlands
 * List of birds of the Netherlands Antilles
 * List of birds of the Northern Mariana Islands
 * List of birds of the Philippines
 * List of birds of the Pitcairn Islands
 * List of birds of the Republic of Macedonia
 * List of birds of the Sierra Madre Occidental
 * List of birds of the Sierra Madre Oriental
 * List of birds of the Solomon Islands
 * List of birds of the Sonoran Desert
 * List of birds of the Turks and Caicos Islands
 * List of birds of the U.S. Virgin Islands
 * List of birds of the United Arab Emirates
 * List of birds of the United States
 * List of birds of the Virgin Islands
 * List of birds of Togo
 * List of birds of Tokelau
 * List of birds of Tonga
 * List of birds of Trinidad and Tobago
 * List of birds of Tunisia
 * List of birds of Turkey
 * List of birds of Turkmenistan
 * List of birds of Tuvalu
 * List of birds of Uganda
 * List of birds of Ukraine
 * List of birds of Uruguay
 * List of birds of Utah
 * List of birds of Uzbekistan
 * List of birds of Vanuatu
 * List of birds of Venezuela
 * List of birds of Vermont
 * List of birds of Vieques
 * List of birds of Vietnam
 * List of birds of Wales
 * List of birds of Wallis and Futuna
 * List of birds of Washington
 * List of birds of West Virginia
 * List of birds of Western Australia
 * List of birds of Western Sahara
 * List of birds of Wisconsin
 * List of birds of Wyoming
 * List of birds of Yellowstone National Park
 * List of birds of Yemen
 * List of birds of Yuma County, Arizona
 * List of birds of Yuma, Arizona
 * List of birds of Zambia
 * List of birds of Zimbabwe
 * List of birds on stamps of Abu Dhabi
 * List of birds on stamps of Afghanistan
 * List of birds on stamps of Aitutaki
 * List of birds on stamps of Ajman
 * List of birds on stamps of Åland
 * List of birds on stamps of Albania
 * List of birds on stamps of Algeria
 * List of birds on stamps of Andorra
 * List of birds on stamps of Angola
 * List of birds on stamps of Armenia
 * List of birds on stamps of Aruba
 * List of birds on stamps of Austria
 * List of birds on stamps of Azerbaijan
 * List of birds on stamps of Azores
 * List of birds on stamps of Bechuanaland
 * List of birds on stamps of Belgian Congo
 * List of birds on stamps of Bequia
 * List of birds on stamps of Bermuda
 * List of birds on stamps of Bhutan
 * List of birds on stamps of Biafra
 * List of birds on stamps of Bophuthatswana
 * List of birds on stamps of British Guiana
 * List of birds on stamps of Burma
 * List of birds on stamps of Cambodia
 * List of birds on stamps of Cape Juby
 * List of birds on stamps of Cape Verde
 * List of birds on stamps of Croatia
 * List of birds on stamps of Estonia
 * List of birds on stamps of Fernando Po
 * List of birds on stamps of Finland
 * List of birds on stamps of Guinea-Bissau
 * List of birds on stamps of Ifni
 * List of birds on stamps of India
 * List of birds on stamps of Italian East Africa
 * List of birds on stamps of Italian Somalia
 * List of birds on stamps of Jaipur
 * List of birds on stamps of Japan
 * List of birds on stamps of Latvia
 * List of birds on stamps of Macau
 * List of birds on stamps of Madeira
 * List of birds on stamps of Malta
 * List of birds on stamps of Manchukuo
 * List of birds on stamps of Mozambique
 * List of birds on stamps of Pakistan
 * List of birds on stamps of Portugal
 * List of birds on stamps of Rio Muni
 * List of birds on stamps of Sao Tome e Principe
 * List of birds on stamps of Spanish Sahara
 * List of birds on stamps of the Australian Antarctic Territory
 * List of birds on stamps of the British Indian Ocean Territory
 * List of birds on stamps of West Irian
 * List of birds on stamps of Zimbabwe
 * List of endemic bird areas of the world
 * List of endemic birds of Australia
 * List of endemic birds of Borneo
 * List of endemic birds of Sri Lanka
 * List of endemic birds of Taiwan
 * List of endemic birds of the Philippines
 * List of Eurasian nuthatch subspecies
 * List of European birds
 * List of extinct and endangered species of Italy
 * List of Gauteng birds
 * List of Important Bird Areas in Michigan
 * List of Important Bird Areas in the United Kingdom
 * List of Indian state birds
 * List of kakapo
 * List of locations in the Somerset Levels
 * List of Migratory Bird Sanctuaries of Canada
 * List of national birds
 * List of non-native birds of Great Britain
 * List of non-passerine Indonesian birds
 * List of non-passerine Japanese birds
 * List of North American birds
 * List of North American birds (Accipitriformes)
 * List of North American birds (Anseriformes)
 * List of North American birds (Apodiformes)
 * List of North American birds (Caprimulgiformes)
 * List of North American birds (Charadriiformes)
 * List of North American birds (Columbiformes)
 * List of North American birds (Coraciiformes)
 * List of North American birds (Cuculiformes)
 * List of North American birds (Falconiformes)
 * List of North American birds (Galliiformes)
 * List of North American birds (Gruiformes)
 * List of North American birds (Other Orders)
 * List of North American birds (Passeriformes)
 * List of North American birds (Pelicaniformes)
 * List of North American birds (Piciiformes)
 * List of North American birds (Procellariiformes)
 * List of North American birds (Psittaciformes)
 * List of North American birds (Strigiformes)
 * List of North American birds (Suliformes)
 * List of North American birds (Tinamiformes)
 * List of North American hummingbirds
 * List of passerine Indonesian birds
 * List of passerine Japanese birds
 * List of RSPB reserves
 * List of secondary endemic bird areas of the world
 * List of Southern African birds
 * List of Special Protection Areas in Scotland
 * List of Special Protection Areas in the United Kingdom
 * List of state ornithological organizations in the United States
 * List of threatened birds of the United States
 * List of Tinamidae
 * List of Tuamotu birds
 * List of U.S. county birds
 * List of U.S. state birds
 * List of United Kingdom bird clubs and ornithological societies
 * Lists of birds by region
 * Lists of endemic birds
 * Litchfield Island
 * Lithornis
 * Lithornithidae
 * Lítla Dímun
 * Little Anderson Island
 * Little auk
 * Little Badger Island
 * Little Barrier Island
 * Little Bee-eater
 * Little bittern
 * Little Black Cormorant
 * Little blue heron
 * Little Bunting
 * Little Bustard
 * Little Buttonquail
 * Little Chachalaca
 * Little Chalky Island
 * Little Corella
 * Little Cormorant
 * Little Crake
 * Little Crow (bird)
 * Little cuckoo
 * Little curlew
 * Little Desert National Park
 * Little Dog Island
 * Little Eagle
 * Little egret
 * Little Forktail
 * Little Friarbird
 * Little Goose Island
 * Little Grassbird
 * Little Grebe
 * Little Green Island
 * Little Green Pigeon
 * Little Green Sunbird
 * Little Greenbul
 * Little Grey Flycatcher
 * Little Grey Greenbul
 * Little Grey Woodpecker
 * Little Ground Tyrant
 * Little gull
 * Little Hermit
 * Little Inca Finch
 * Little Lorikeet
 * Little Minivet
 * Little owl
 * Little Penguin
 * Little Pied Cormorant
 * Little Pied Flycatcher
 * Little raven
 * Little Ringed plover
 * Little rush warbler
 * Little Shearwater
 * Little Skellig
 * Little Slaty Flycatcher
 * Little Sparrowhawk
 * Little Spiderhunter
 * Little stint
 * Little Sumba Hawk-Owl
 * Little Swift
 * Little Tern
 * Little Trefoil Island
 * Little Waterhouse Island
 * Little Wattlebird
 * Little Weaver
 * Little Wood Rail
 * Little Woodpecker
 * Little Woodswallow
 * Littoral Rock Thrush
 * Lively Island
 * Livingstone National Park
 * Lizard Buzzard
 * Lobéké National Park
 * Loch Fleet
 * Loch Garten
 * Loch Gruinart
 * Loch of Skene
 * Loch of Strathbeg
 * Loch Ruthven
 * Lochnagar
 * Lochs of Spiggie and Brow
 * Lochwinnoch
 * Lockerbie Scrub
 * Locust Finch
 * Lodmoor
 * Loetoe Monarch
 * Loggerhead Kingbird
 * Loggerhead Shrike
 * Loja Hummingbird
 * Lompobattang Flycatcher
 * Long-bearded Melidectes
 * Long-billed Bush Warbler
 * Long-billed Corella
 * Long-billed Crombec
 * Long-billed dowitcher
 * Long-billed Gnatwren
 * Long-billed Hermit
 * Long-billed Honeyeater
 * Long-billed Partridge
 * Long-billed Pipit
 * Long-billed Plover
 * Long-billed Spiderhunter
 * Long-billed Starthroat
 * Long-billed thrasher
 * Long-billed thrush
 * Long-billed white-eye
 * Long-billed Woodcreeper
 * Long-billed Wren
 * Long-billed Wren-Babbler
 * Long-billed Wren (New Zealand)
 * Long-crested Eagle
 * Long-crested Myna
 * Long-eared owl
 * Long-legged Bunting
 * Long-legged buzzard
 * Long-legged Pipit
 * Long-legged Thicketbird
 * Long-tailed Broadbill
 * Long-tailed Bush Warbler
 * Long-tailed Cinclodes
 * Long-tailed Cisticola
 * Long-tailed cuckoo
 * Long-tailed duck
 * Long-tailed Fantail
 * Long-tailed Finch
 * Long-tailed Fiscal
 * Long-tailed Glossy Starling
 * Long-tailed Ground Dove
 * Long-tailed ground roller
 * Long-tailed Hawk
 * Long-tailed Hermit
 * Long-tailed jaeger
 * Long-tailed Meadowlark
 * Long-tailed Minivet
 * Long-tailed Mockingbird
 * Long-tailed Myna
 * Long-tailed Nightjar
 * Long-tailed Paradigalla
 * Long-tailed Paradise Whydah
 * Long-tailed parakeet
 * Long-tailed Pipit
 * Long-tailed Potoo
 * Long-tailed Sabrewing
 * Long-tailed Shrike
 * Long-tailed Sibia
 * Long-tailed Silky-flycatcher
 * Long-tailed Starling
 * Long-tailed thrush
 * Long-tailed Tit
 * Long-tailed Widowbird
 * Long-tailed Woodnymph
 * Long-toed Lapwing
 * Long-toed stint
 * Long-wattled Umbrellabird
 * Long-whiskered Owlet
 * Long Island (Tasmania)
 * Long Pond (Anguilla)
 * Longimornis
 * Longipteryx
 * Longuemare's Sunangel
 * Lophogallus
 * Lord Derby's parakeet
 * Lord Howe Boobook
 * Lord Howe Currawong
 * Lord Howe Fantail
 * Lord Howe Gerygone
 * Lord Howe Golden Whistler
 * Lord Howe Island
 * Lord Howe Parakeet
 * Lord Howe pigeon
 * Lord Howe silvereye
 * Lord Howe Starling
 * Lord Howe Swamphen
 * Lord Howe Thrush
 * Lord Howe Woodhen
 * Loré Important Bird Area
 * Lore Lindu National Park
 * Lough Corrib
 * Lough Ennell
 * Lough Foyle
 * Lough Gara
 * Lough Owel
 * Lough Ree
 * Lough Sheelin
 * Louis Agassiz Fuertes
 * Louis Fraser
 * Louisa Island (Tasmania)
 * Louisiade Flowerpecker
 * Louisiade White-eye
 * Louisiana Waterthrush
 * Lourah Island
 * Lovebird
 * Lovely Fairywren
 * Lovely Sunbird
 * Loveridge's Sunbird
 * Low Rocks and Sterna Island Important Bird Area
 * Lowbidgee Floodplain
 * Lowendal Islands
 * Lower Lough Erne Islands
 * Lower Odra Valley Landscape Park
 * Lowland Akalat
 * Lowland kagu
 * Lowland Masked Apalis
 * Lowland Sooty Boubou
 * Lowland White-eye
 * Lox Yeo River
 * Loxops
 * Lucifer Sheartail
 * Lucy's Warbler
 * Ludaš Lake
 * Ludington State Park
 * Ludlow Griscom
 * Ludwig's Double-collared Sunbird
 * Lufira Masked Weaver
 * Lühder's Bushshrike
 * Lulu's Tody-Flycatcher
 * Lunga, Treshnish Isles
 * Lunulated Antbird
 * Lupton's Bird of Paradise
 * Lutembe Bay
 * Luzon hawk-owl
 * Luzon Hornbill
 * Luzon striped babbler
 * Luzon Sunbird
 * Luzon Water Redstart
 * Lyman Belding
 * Lympsham
 * Lyng, Somerset
 * Lyre-tailed Honeyguide
 * Lyre-tailed King Bird of Paradise
 * Lyrebird
 * Maatsuyker Island
 * Maatsuyker Islands
 * Mabamba Bay
 * Mabira Forest
 * Macaroni penguin
 * Macauley Island
 * Maccoa Duck
 * MacGillivray's Warbler
 * MacGregor's Bowerbird
 * MacGregor's Honeyeater
 * Mackinnon's Shrike
 * Macleay's Honeyeater
 * Macquarie Island
 * Macquarie Marshes
 * Macquarie Marshes Nature Reserve
 * Macquarie Parakeet
 * Macquarie Rail
 * Macquarie Shag
 * MacQueen's Bustard
 * Madagascan blue pigeon
 * Madagascan Buttonquail
 * Madagascan buzzard
 * Madagascan Cuckoo-Hawk
 * Madagascan Flufftail
 * Madagascan Harrier-Hawk
 * Madagascan Hoopoe
 * Madagascan Ibis
 * Madagascan Jacana
 * Madagascan Lark
 * Madagascan Magpie-Robin
 * Madagascan mannikin
 * Madagascan Plover
 * Madagascan Pygmy Kingfisher
 * Madagascan Rail
 * Madagascan sandgrouse
 * Madagascan serpent eagle
 * Madagascan Sparrowhawk
 * Madagascan Starling
 * Madagascan Swamp Warbler
 * Madagascan Wagtail
 * Madagascan Wood Rail
 * Madanga
 * Madarasz's Tiger Parrot
 * Madder Cliffs
 * Madeira Firecrest
 * Madeiran chaffinch
 * Madeiran scops owl
 * Madeiran wood pigeon
 * Magadi Bird Sanctuary
 * Magellanic Diving Petrel
 * Magellanic Penguin
 * Magellanic Plover
 * Magellanic Tapaculo
 * Magellanic Woodpecker
 * Magenta-throated Woodstar
 * Magenta Petrel
 * Maghreb Lark
 * Magnificent Bird-of-paradise
 * Magnificent Frigatebird
 * Magnificent Hummingbird
 * Magnificent Riflebird
 * Magnolia Warbler
 * Magpie-lark
 * Magpie Duck
 * Magpie mannikin
 * Magpie Shrike
 * Magpie Starling
 * Magpie Tanager
 * Mahé highlands and surrounding areas Important Bird Area
 * Mährens
 * Main Range National Park
 * Major Mitchell's Cockatoo
 * Makatea Fruit Dove
 * Makira Fantail
 * Makira Flycatcher
 * Makira Honeyeater
 * Makira Starling
 * Makira Woodhen
 * Malabar Barbet
 * Malabar Grey Hornbill
 * Malabar Lark
 * Malabar Pied Hornbill
 * Malabar Starling
 * Malabar Trogon
 * Malabar Whistling Thrush
 * Malachite Kingfisher
 * Malachite Sunbird
 * Malagasy Black Swift
 * Malagasy coucal
 * Malagasy Harrier
 * Malagasy Kingfisher
 * Malagasy pond heron
 * Malagasy Sheldgoose
 * Malagasy Shelduck
 * Malaita white-eye
 * Malayan night heron
 * Malayan Peacock-Pheasant
 * Malayan Whistling Thrush
 * Malaysian Eared Nightjar
 * Malaysian Honeyguide
 * Malcolm Ogilvie
 * Malcolm Penny
 * Maleo
 * Malgas Island
 * Malherbe's Parakeet
 * Mali Firefinch
 * Malia (bird)
 * Malindi Pipit
 * Mallard
 * Mallee Cliffs National Park
 * Mallee Emu-wren
 * Malleefowl
 * Malltraeth
 * Malltraeth Marsh
 * Malportas Pond
 * Malta–Gozo Channel Important Bird Area
 * Maluridae
 * Mamo
 * Manakin
 * Manchurian Bush Warbler
 * Manchurian Reed Warbler
 * Mandarin Duck
 * Mandora Marsh
 * Maned Owl
 * Mangaia Crake
 * Mangaia Rail
 * Mangaia Swiftlet
 * Mangalavanam Bird Sanctuary
 * Mangrove cuckoo
 * Mangrove Finch
 * Mangrove Gerygone
 * Mangrove Golden Whistler
 * Mangrove Honeyeater
 * Mangrove Pitta
 * Mangrove Sunbird
 * Mangrove Swallow
 * Mangrove Whistler
 * Manipur Bush Quail
 * Manipur fulvetta
 * Manowar and Rocky Islands Important Bird Area
 * Mantanani scops owl
 * Mantell's Moa
 * Mantou's Riflebird
 * Manucoco
 * Manus Friarbird
 * Manus Masked Owl
 * Manus Monarch
 * Manx shearwater
 * Many-colored Bushshrike
 * Many-colored Chaco Finch
 * Many-coloured Fruit Dove
 * Many-spotted Hummingbird
 * Mao (bird)
 * Marabou Stork
 * Maracaibo Tody-Flycatcher
 * Maranon Pigeon
 * Marañón thrush
 * Mararoa River
 * Marazion Marsh
 * Marbled Duck
 * Marbled godwit
 * Marcapata Spinetail
 * Mare aux Hippopotames
 * Mare d'Oursi
 * Margaret's Batis
 * Margaret Cameron (librarian)
 * Margaret Morse Nice
 * Margaretta Louisa Lemon
 * Maria's Bird of Paradise
 * Maria Creek National Park
 * Maria Island
 * Maria Island National Park
 * Mariana Fruit Dove
 * Mariana Mallard
 * Mariana Swiftlet
 * Marianne White-eye
 * Marico Sunbird
 * Marie Louise Island
 * Marie Winn
 * Marigold Lorikeet
 * Marion Bay Important Bird Area
 * Mark Brazil
 * Mark Catesby
 * Mark Yeo
 * Marlborough Sounds Important Bird Areas
 * Marmaduke Tunstall
 * Marojejy National Park
 * Maroon-backed Accentor
 * Maroon-backed Whistler
 * Maroon-bellied Parakeet
 * Maroon-fronted Parrot
 * Maroon-naped Sunbird
 * Maroon Oriole
 * Maroon Shining Parrot
 * Marquesan Ground Dove
 * Marquesan kingfisher
 * Marquesan Monarch
 * Marquesan Swiftlet
 * Marquesas Cuckoo-Dove
 * Marquesas Swamphen
 * Marsh Antwren
 * Marsh Awards for Ornithology
 * Marsh Babbler
 * Marsh Harrier
 * Marsh Owl
 * Marsh sandpiper
 * Marsh Tapaculo
 * Marsh Tchagra
 * Marsh Tit
 * Marsh Warbler
 * Marsh Widowbird
 * Marsh Wren
 * Marshall's Iora
 * Martial Eagle
 * Martin Garner
 * Martin Moynihan
 * Martinique Amazon
 * Martinique Macaw
 * Martinique Oriole
 * Marvellous Spatuletail
 * Mary Elizabeth Barber
 * Mary Impey
 * Mary Russell, Duchess of Bedford
 * Maryborough-Dunolly Box-Ironbark Region
 * Masafuera Rayadito
 * Mascarene Coot
 * Mascarene Grey Parakeet
 * Mascarene Martin
 * Mascarene Paradise Flycatcher
 * Mascarene parrot
 * Mascarene Petrel
 * Mascarene Swiftlet
 * Mascarene Teal
 * Mascarene White-eye
 * Masked Antpitta
 * Masked booby
 * Masked cardinal
 * Masked duck
 * Masked Finch
 * Masked Finfoot
 * Masked Flowerpiercer
 * Masked Fruiteater
 * Masked Gnatcatcher
 * Masked Lapwing
 * Masked Saltator
 * Masked Shining Parrot
 * Masked Shrike
 * Masked Tityra
 * Masked Trogon
 * Masked Water Tyrant
 * Masked Woodswallow
 * Massachusetts Audubon Society
 * Masthead Island
 * Mastic Reserve
 * Matarakau Point
 * Mataura River
 * Matchedash Bay
 * Matinan Blue Flycatcher
 * Matsudaira's Storm Petrel
 * Matthews Island
 * Matuku (genus)
 * Maubara Important Bird Area
 * Maui 'Alauahio
 * Maui ʻAkepa
 * Maui Nui 'Akialoa
 * Maui Nui Finch
 * Maui Nui Large-billed Moa-nalo
 * Maui Nukupuʻu
 * Maui Parrotbill
 * Mauke Starling
 * Maupiti Monarch
 * Mavourneen Rocks
 * Maxwell's Black Weaver
 * Maya (bird)
 * Mayang Chosuji
 * Mayani Bird Sanctuary
 * Mayotte drongo
 * Mayotte scops owl
 * Mayotte Sunbird
 * Mayotte White-eye
 * McConnell River Migratory Bird Sanctuary
 * McCown's Longspur
 * McGregor's Cuckooshrike
 * McIlwraith Range
 * McKay's Bunting
 * Meadow Bunting
 * Meadow Pipit
 * Meads Bay Pond
 * Mealy Amazon
 * Meare
 * Meare Lake Village
 * Meare Pool
 * Mebbin National Park
 * Mediterranean Gull
 * Medium Ground Finch
 * Medium Tree Finch
 * Meehan Range
 * Meek's Lorikeet
 * Meek's Pygmy Parrot
 * Mees's Nightjar
 * Mees's white-eye
 * Meikle Loch
 * Mekong Wagtail
 * Melaleuca to Birchs Inlet Important Bird Area
 * Melampitta
 * Melanesian Whistler
 * Melanocharitidae
 * Melbourne Armstrong Carriker
 * Meller's Duck
 * Melodious Babbler
 * Melodious Blackbird
 * Melodious Warbler
 * Melvin Alvah Traylor, Jr.
 * Menetries's Warbler
 * Menindee Lakes
 * Mentawai scops owl
 * Menura tyawanoides
 * Mercury Islands
 * Mérida Flowerpiercer
 * Mérida Wren
 * Merlin (bird)
 * Meroo National Park
 * Merrywing Pond System
 * Mesembriornis
 * Mesite
 * Mesitornis
 * Mesopotamian crow
 * Metallic-winged Sunbird
 * Metallic pigeon
 * Metallic Starling
 * Mewing Kingfisher
 * Mewstone
 * Mexican Cacique
 * Mexican Chickadee
 * Mexican Duck
 * Mexican jay
 * Mexican Parrotlet
 * Mexican Whip-poor-will
 * Mexican Woodnymph
 * Mexican Yellow Grosbeak
 * Meyer's Parrot
 * Mgahinga Gorilla National Park
 * Michael Brooker
 * Michael Clarke (ornithologist)
 * Michael John Rogers
 * Michael Rank
 * Michael Sharland
 * Michael Walther
 * Michaelmas and Upolu Cays National Park
 * Michelsen Island
 * Mick Rogers (wildlife warden)
 * Microcarbo serventyorum
 * Micromacronus
 * Micronesian Megapode
 * Micronesian myzomela
 * Micronesian starling
 * Mid Woody Islet
 * Midas Island
 * Middle American Screech Owl
 * Middle Brother (Chagos Bank)
 * Middle Island (Lacepede Islands)
 * Middle Island, Tristan da Cunha
 * Middle Spotted Woodpecker
 * Middleton Lakes RSPB reserve
 * Midget Flowerpecker
 * Mikado Pheasant
 * Mike Reynolds (conservationist)
 * Miklos Udvardy
 * Mile Island
 * Milford Sound
 * Milingimbi Islands Important Bird Area
 * Military Macaw
 * Milky Stork
 * Mill Dam
 * Milosz Point
 * Milton N. Hopkins
 * Mimosa Rocks National Park
 * Minahassa Masked Owl
 * Minas Gerais Tyrannulet
 * Mindanao Bleeding-heart
 * Mindanao Blue Fantail
 * Mindanao Brown Dove
 * Mindanao Hawk-Owl
 * Mindanao Hornbill
 * Mindanao Lorikeet
 * Mindanao Miniature Babbler
 * Mindanao pygmy babbler
 * Mindanao Racket-tail
 * Mindanao white-eye
 * Mindoro Bulbul
 * Mindoro Hawk-Owl
 * Mindoro Hornbill
 * Mindoro Imperial Pigeon
 * Minneriya National Park
 * Minute Hermit
 * Miombo Blue-eared Starling
 * Miombo Tit
 * Miquelon Island (Northeast Coast) Important Bird Area
 * Mishana Tyrannulet
 * Mississippi kite
 * Mistle thrush
 * Mistletoebird
 * Mitchell Durno Murray
 * Mitred Parakeet
 * Mlima Combani and Mlima Mtsapéré Important Bird Area
 * Moa
 * Moa-nalo
 * Mocking Cliff Chat
 * Modest Tiger Parrot
 * Moe Island
 * Mogoltau Massif Important Bird Area
 * Mogontiacopsitta
 * Moho (genus)
 * Mohoidae
 * Mohoua
 * Moluccan cuckoo
 * Moluccan Cuckooshrike
 * Moluccan Flycatcher
 * Moluccan Goshawk
 * Moluccan Hanging Parrot
 * Moluccan King Parrot
 * Moluccan Masked Owl
 * Moluccan Megapode
 * Moluccan Owlet-nightjar
 * Moluccan Starling
 * Moluccan Swiftlet
 * Moluccan woodcock
 * Monach Islands
 * Monfragüe
 * Mongolian Finch
 * Monica Turner (ornithologist)
 * Monk Parakeet
 * Monotonous Lark
 * Mont Choungui
 * Montagne Glacis Important Bird Area
 * Montagu's Harrier
 * Montague Chamberlain
 * Montane Nightjar
 * Montane Racket-tail
 * Montanha
 * Monte Yellow Finch
 * Montebello Islands
 * Monteiro's Bushshrike
 * Monteiro's Hornbill
 * Montezuma Oropendola
 * Montezuma quail
 * Montrose Basin
 * Montserrat Oriole
 * Moogerah Peaks National Park
 * Moora Important Bird Area
 * Moorhen
 * Moorland Chat
 * Moorland francolin
 * Moorlinch
 * Moose River (Ontario)
 * Moose River Estuary
 * Mopsitta
 * Moray Firth
 * Moreau's Sunbird
 * Morecambe Bay
 * Morehead River Important Bird Area
 * Moreno's Ground Dove
 * Moresby Range National Park
 * Moreton Bay
 * Moreton Point
 * Mornington Sanctuary
 * Moseøya Bird Sanctuary
 * Mosque Swallow
 * Moss Islands
 * Motmot
 * Mottle-cheeked Tyrannulet
 * Mottled duck
 * Mottled Flowerpecker
 * Mottled petrel
 * Mottled Spinetail
 * Mottled Swift
 * Mottled wood owl
 * Motukaramarama Island
 * Motutakapu
 * Moulting Lagoon Important Bird Area
 * Mount Barney National Park
 * Mount Bartle Frere
 * Mount Bellenden Ker
 * Mount Cameroon Francolin
 * Mount Cameroon Speirops
 * Mount Chappell Island
 * Mount Chinghee National Park
 * Mount Clunie National Park
 * Mount Curi Important Bird Area
 * Mount Diatuto
 * Mount Elder
 * Mount Elgon National Park
 * Mount Gibson Sanctuary
 * Mount Jerusalem National Park
 * Mount Kumgang
 * Mount Kupe Bushshrike
 * Mount Lyndhurst Important Bird Area
 * Mount Mak Fahik and Mount Sarim Important Bird Area
 * Mount Manypeaks
 * Mount Nothofagus National Park
 * Mountain Bamboo Partridge
 * Mountain Barbet
 * Mountain blackeye
 * Mountain bluebird
 * Mountain Bulbul
 * Mountain Buzzard
 * Mountain Caracara
 * Mountain Chickadee
 * Mountain Chiffchaff
 * Mountain Firetail
 * Mountain Fulvetta
 * Mountain Hawk-Eagle
 * Mountain Imperial Pigeon
 * Mountain Oriole
 * Mountain Peacock-Pheasant
 * Mountain pipit
 * Mountain plover
 * Mountain quail
 * Mountain Robin
 * Mountain Robin-Chat
 * Mountain Saw-wing
 * Mountain scops owl
 * Mountain serpent eagle
 * Mountain Shrike
 * Mountain Sooty Boubou
 * Mountain Starling
 * Mountain Tailorbird
 * Mountain Thornbill
 * Mountain thrush
 * Mountain Wagtail
 * Mountain Wheatear
 * Mountain Wren-Babbler
 * Mourning Collared Dove
 * Mourning dove
 * Mourning Wheatear
 * Mousa
 * Mouse-colored Penduline Tit
 * Mouse-colored Thistletail
 * Mouse-colored Tyrannulet
 * Mouse-coloured Tapaculo
 * Mousebird
 * Moussier's Redstart
 * Moustached Antwren
 * Moustached Barbet
 * Moustached Brush Finch
 * Moustached Grass Warbler
 * Moustached Laughingthrush
 * Moustached Turca
 * Moustached Warbler
 * Moustached Woodcreeper
 * Mouth of the Cirque de Salazie Important Bird Area
 * Mowbray National Park
 * Mrs. Gould's Sunbird
 * Mrs. Hume's Pheasant
 * Muchelney
 * Mud Islands
 * Mudgee-Wollar Important Bird Area
 * Muir's Corella
 * Mukojima white-eye
 * Mulga Parrot
 * Mull of Galloway
 * Mullerornis
 * Multicoloured Tanager
 * Munchique Wood Wren
 * Mundaring-Kalamunda Important Bird Area
 * Munga-Thirri National Park
 * Munghorn Gap Nature Reserve
 * Munmorah State Conservation Area
 * Murchison Falls National Park
 * Muriwai
 * Murkay Islets
 * Murramarang National Park
 * Murray-Sunset National Park
 * Murray-Sunset, Hattah and Annuello Important Bird Area
 * Murray Island (Antarctica)
 * Murray River National Park
 * Murrumbidgee Red Gums Important Bird Area
 * Murtnaghurt Lagoon
 * Muscovy duck
 * Musician Wren
 * Musk Duck
 * Musk Lorikeet
 * Mussau Fantail
 * Mussau Monarch
 * Mutton Bird Island
 * Mykines
 * Myohyangsan
 * Myrtle Warbler
 * Mysterious Bird of Bobairo
 * Nadgee Nature Reserve
 * Nadgee to Mallacoota Inlet Important Bird Area
 * Nagshead
 * Nagshead SSSI
 * Nahan's Partridge
 * Najafgarh drain bird sanctuary
 * Naked-faced Barbet
 * Naked-faced Spiderhunter
 * Nal Sarovar Bird Sanctuary
 * Namaqua Dove
 * Namaqua sandgrouse
 * Namaqua Warbler
 * Nambashag
 * Namibiavis
 * Namuli Apalis
 * Nanantius
 * Nanday Parakeet
 * Nankeen Kestrel
 * Nankeen night heron
 * Narcissus Flycatcher
 * Narcondam Hornbill
 * Narcondam Island
 * Narina Trogon
 * Narran Wetlands
 * Narrow-billed Antwren
 * Narrow-billed Tody
 * Narrow-tailed Starling
 * Nashville Warbler
 * Natimuk-Douglas Wetlands
 * National Audubon Society
 * National Aviary
 * National Eagle Center
 * National Wild Turkey Federation
 * Native Bay
 * Natterer's Slaty Antshrike
 * Naumann's thrush
 * Naung Mung Scimitar Babbler
 * Nava's Wren
 * Nawabganj Bird Sanctuary
 * Neblina Tapaculo
 * Nechisar Nightjar
 * Necklaced Spinetail
 * Neddicky
 * Neds Reef
 * Needle Rocks
 * Neerabup National Park
 * Negros Bleeding-heart
 * Negros fruit dove
 * Negros scops owl
 * Negros striped babbler
 * Nelepsittacus
 * Nelicourvi Weaver
 * Nelson's Sparrow
 * Nelsons Island
 * Nēnē-nui
 * Nene (bird)
 * Nene Washes
 * Neocathartes
 * Neogyps
 * Neomixis
 * Neophrontops
 * Neotropic cormorant
 * Neotropical Palm Swift
 * Nepal Fulvetta
 * Nepal house martin
 * Nepal Rufous-vented Prinia
 * Nepal Wren-babbler
 * Nesoenas
 * Nestoridae
 * Neumann's Starling
 * Neville William Cayley
 * New Britain Bronzewing
 * New Britain Friarbird
 * New Britain Goshawk
 * New Caledonian Barn Owl
 * New Caledonian crow
 * New Caledonian Cuckooshrike
 * New Caledonian Friarbird
 * New Caledonian Gallinule
 * New Caledonian Ground Dove
 * New Caledonian Lorikeet
 * New Caledonian Myzomela
 * New Caledonian Owlet-nightjar
 * New Caledonian Parakeet
 * New Caledonian Rail
 * New Caledonian Snipe
 * New Caledonian Thicketbird
 * New England National Park
 * New Guinea Thornbill
 * New Hanover mannikin
 * New Holland Honeyeater
 * New Ireland Boobook
 * New Ireland Friarbird
 * New Ireland Myzomela
 * New Island
 * New Jersey Audubon Society
 * New South Wales Albatross Study Group
 * New Year Island (Tasmania)
 * New York City Audubon
 * New Zealand bellbird
 * New Zealand bittern
 * New Zealand Coot
 * New Zealand fairy tern
 * New Zealand falcon
 * New Zealand fantail
 * New Zealand fernbird
 * New Zealand geese
 * New Zealand grebe
 * New Zealand kaka
 * New Zealand musk duck
 * New Zealand owlet-nightjar
 * New Zealand parrot
 * New Zealand pigeon
 * New Zealand plover
 * New Zealand quail
 * New Zealand raven
 * New Zealand robin
 * New Zealand rockwren
 * New Zealand scaup
 * New Zealand Stiff-tailed Duck
 * New Zealand storm petrel
 * New Zealand wren
 * Newell's shearwater
 * Newfoundland Crossbill
 * Newport Wetlands
 * Newry Station
 * Newton's Sunbird
 * Newtonia (bird)
 * Ngarkat Conservation Park
 * Niam-niam Parrot
 * Nias Hill Myna
 * Nicaraguan Grackle
 * Niceforo's Pintail
 * Niceforo's Wren
 * Nicholas Aylward Vigors
 * Nicholas Barry Davies
 * Nicholas Hammond (ornithologist)
 * Nicobar Bulbul
 * Nicobar Megapode
 * Nicobar Parakeet
 * Nicobar Pigeon
 * Nicobar scops owl
 * Nicobar Sparrowhawk
 * Nigg Bay
 * Night Island (Queensland)
 * Night Island (Tasmania)
 * Night Parrot
 * Nightcap National Park
 * Nightcap Range Important Bird Area
 * Nightingale Island
 * Nightingale Islands
 * Nigula Nature Reserve
 * Nihoa Finch
 * Nihoa Millerbird
 * Nilgiri Blue Robin
 * Nilgiri Flowerpecker
 * Nilgiri Flycatcher
 * Nilgiri Pipit
 * Nilgiri wood pigeon
 * Nimba Flycatcher
 * Nino Konis Santana National Park
 * Ninth Island
 * Niue night heron
 * Niue Rail
 * Nkulengu Rail
 * Noble Megapode
 * Noble Snipe
 * Noel Learmonth
 * Noisy Friarbird
 * Noisy miner
 * Noisy Pitta
 * Noisy Scrubbird
 * Nólsoy
 * Nonggang babbler
 * Nordaust-Svalbard Nature Reserve
 * Nordenskiöld Land
 * Nordmann's Greenshank
 * Nordvest-Spitsbergen National Park
 * Norfolk Boobook
 * Norfolk Golden Whistler
 * Norfolk Ground Dove
 * Norfolk Island
 * Norfolk kaka
 * Norfolk Pacific Robin
 * Norfolk pigeon
 * Norfolk Starling
 * Norfolk Thrush
 * Norfolk Triller
 * Norman Bird Sanctuary
 * Norman Boyd Kinnear
 * Norman Chaffer
 * Norman Frederick Frome
 * Norman Island (Victoria)
 * Norman Joseph Favaloro
 * Norman Wettenhall
 * Noronha Elaenia
 * Noronha Vireo
 * Norsel Point
 * North-east Saint Helena Important Bird Area
 * North-west Tasmanian Coast Important Bird Area
 * North American landbirds in Britain
 * North American Waterfowl Management Plan
 * North and South Brother Islands, East River
 * North Brother (Chagos Bank)
 * North Curry
 * North Curry Meadow
 * North Dandalup Important Bird Area
 * North East Reef
 * North Foreland (South Shetland Islands)
 * North Island (Houtman Abrolhos)
 * North Island Giant Moa
 * North Island Piopio
 * North Island Robin
 * North Island snipe
 * North Island takahē
 * North Keeling
 * North Kent Island
 * North Moor
 * North Rona
 * North Somerset Levels
 * North Victorian Wetlands
 * North Warren RSPB reserve
 * North West Island
 * North West Mount Chappell Islet
 * Northeim Lake District
 * Northern bald ibis
 * Northern Beardless Tyrannulet
 * Northern Black Flycatcher
 * Northern Boobook
 * Northern cardinal
 * Northern Carmine Bee-eater
 * Northern crested caracara
 * Northern Crombec
 * Northern Double-collared Sunbird
 * Northern Flicker
 * Northern Forested Ghauts
 * Northern fulmar
 * Northern gannet
 * Northern Giant Petrel
 * Northern Golden Bulbul
 * Northern goshawk
 * Northern Grey-headed Sparrow
 * Northern Hawk-Owl
 * Northern jacana
 * Northern lapwing
 * Northern mockingbird
 * Northern Nightingale-Wren
 * Northern Parula
 * Northern pintail
 * Northern Potoo
 * Northern Puffback
 * Northern Pygmy Owl
 * Northern Red Bishop
 * Northern Rosella
 * Northern rough-winged swallow
 * Northern Royal Albatross
 * Northern Royal Flycatcher
 * Northern Saw-whet Owl
 * Northern Schiffornis
 * Northern shoveler
 * Northern Shrike
 * Northern Slaty Antshrike
 * Northern Spotted Owl
 * Northern Swan Coastal Plain Important Bird Area
 * Northern Waterthrush
 * Northern Wheatear
 * Northern White-crowned Shrike
 * Northern White-faced Owl
 * Northwestern crow
 * Nottinghamshire Wildlife Trust
 * NSW Field Ornithologists Club
 * Nubian Bustard
 * Nubian Woodpecker
 * Nugent Island
 * Nuku Hiva Monarch
 * Nuku Hiva Rail
 * Nullarbor Quail-thrush
 * Numfor Paradise Kingfisher
 * Numinbah Nature Reserve
 * Nuthatch Vanga
 * Nuttall's Woodpecker
 * Nuttall Ornithological Club
 * Nutting's Flycatcher
 * Nuyts Archipelago
 * O'ahu ‘Elepaio
 * O'ahu Moa-nalo
 * O'ahu Petrel
 * O'Brien Island
 * Oahu 'Akialoa
 * Oʻahu ʻAkepa
 * Oʻahu ʻAmakihi
 * Oʻahu ʻŌʻō
 * Oak Hammock Marsh
 * Oak Titmouse
 * Oasis Hummingbird
 * Oaxaca Sparrow
 * Obbia Lark
 * Oberländer's ground thrush
 * Obscure Berrypecker
 * Oceanic Eclectus Parrot
 * Ocellated Quail
 * Ocellated Thrasher
 * Ocellated Turkey
 * Ochraceous Wren
 * Ochre-bellied Boobook
 * Ochre-breasted Pipit
 * Ochre-browed Thistletail
 * Ochre-fronted Antpitta
 * Ochre-marked Parakeet
 * Ochre-naped Ground Tyrant
 * Oeno Island
 * Ogasan Nature Reserve
 * Oilbird
 * Okawa Point
 * Okhla Sanctuary
 * Okinawa Rail
 * Okinawa Woodpecker
 * Oksem, Dongsolbatsem, Sesolbatsem and Namsolbatsem Islands Important Bird Area
 * Old Crow Flats
 * Old Moor Wetland Centre RSPB reserve
 * Olin Sewall Pettingill Jr
 * Olivaceous Flycatcher
 * Olivaceous Woodcreeper
 * Olive-backed Flowerpecker
 * Olive-backed Foliage-gleaner
 * Olive-backed Oriole
 * Olive-backed Pipit
 * Olive-backed Sunbird
 * Olive-backed Woodpecker
 * Olive-bellied Sunbird
 * Olive-brown Oriole
 * Olive-capped Flowerpecker
 * Olive-capped Warbler
 * Olive-colored white-eye
 * Olive-crowned Flowerpecker
 * Olive-flanked Ground Robin
 * Olive-green Camaroptera
 * Olive-green Tyrannulet
 * Olive-headed Lorikeet
 * Olive-tree Warbler
 * Olive Bee-eater
 * Olive Bulbul
 * Olive Honeyeater
 * Olive Ibis
 * Olive long-tailed cuckoo
 * Olive Sparrow
 * Olive Sunbird
 * Olive Tanager
 * Olive thrush
 * Olive Warbler
 * Olive Whistler
 * Oliver G. Pike
 * Oliver L. Austin
 * Oliver Michael Griffiths Newman
 * Oliver Vernon Aplin
 * Olrog's Cinclodes
 * Olrog's Gull
 * Olsholmen Bird Sanctuary
 * Omani Owl
 * Onagadori
 * Onchon Field
 * One Tree Island (Queensland)
 * Ongjin Bay Important Bird Area
 * Onychognathus
 * Oostvaardersplassen
 * Opal-crowned Tanager
 * Open Bay Islands
 * Operation Migration
 * Opihi River
 * Opisthocomidae
 * Opuha Dam
 * Orangchon River estuary Important Bird Area
 * Orange-bellied Antwren
 * Orange-bellied Euphonia
 * Orange-bellied Flowerpecker
 * Orange-bellied Fruit Dove
 * Orange-bellied Leafbird
 * Orange-bellied Manakin
 * Orange-bellied Parrot
 * Orange-bellied Trogon
 * Orange-billed Babbler
 * Orange-billed Lorikeet
 * Orange-billed nightingale-thrush
 * Orange-billed Sparrow
 * Orange-breasted Bunting
 * Orange-breasted Bushshrike
 * Orange-breasted falcon
 * Orange-breasted Fig Parrot
 * Orange-breasted Fruiteater
 * Orange-breasted Green Pigeon
 * Orange-breasted Laughingthrush
 * Orange-breasted Sunbird
 * Orange-breasted Thornbird
 * Orange-breasted Trogon
 * Orange-breasted Waxbill
 * Orange-cheeked Honeyeater
 * Orange-cheeked Parrot
 * Orange-cheeked Waxbill
 * Orange-eyed Thornbird
 * Orange-footed Scrubfowl
 * Orange-fronted Hanging Parrot
 * Orange-fronted Parakeet
 * Orange-headed thrush
 * Orange-sided thrush
 * Orange-spotted Bulbul
 * Orange-throated Sunangel
 * Orange-throated Tanager
 * Orange-tufted Sunbird
 * Orange-winged Pytilia
 * Orange Bullfinch
 * Orange Chat
 * Orange Fruit Dove
 * Orange ground thrush
 * Orange Oriole
 * Orange Weaver
 * Orangequit
 * Orari River
 * Orchard Oriole
 * Ord Irrigation Area Important Bird Area
 * Oreti River
 * Orford, Tasmania
 * Organisation for the Preservation of Birds and their Habitat
 * Orielton Lagoon
 * Oriental Bay Owl
 * Oriental cuckoo
 * Oriental Darter
 * Oriental Dwarf Kingfisher
 * Oriental Hobby
 * Oriental Magpie-Robin
 * Oriental Pied Hornbill
 * Oriental Plover
 * Oriental pratincole
 * Oriental Reed Warbler
 * Oriental scops owl
 * Oriental Skylark
 * Oriental Stork
 * Oriental Turtle Dove
 * Oriental White-eye
 * Oriente Warbler
 * Orinoco Goose
 * Orinoco Saltator
 * Orinoco Softtail
 * Oriole Finch
 * Oriole Warbler
 * Oriole Whistler
 * Ornate Hawk-Eagle
 * Ornate Lorikeet
 * Ornate Melidectes
 * Ornimegalonyx
 * Orthonyx hypsilophus
 * Orthonyx kaldowinyeri
 * Ortolan Bunting
 * Osbert Salvin
 * Osprey
 * Ospreys in Britain
 * Osteodontornis
 * Otmoor RSPB reserve
 * Otterhampton
 * ʻŌʻū
 * Ouse Washes
 * Oustalet's Tyrannulet
 * Outlying Islands (play)
 * Outram Bangs
 * Ouvea Parakeet
 * Ovambo Sparrowhawk
 * Ovenbird
 * Ovenbird (family)
 * Owen Island
 * Owingup Swamp and Boat Harbour Wetlands Important Bird Area
 * Oyster Rocks
 * Pachydyptes
 * Pachyornis
 * Pachyplichas
 * Pachyplichas jagmi
 * Pacific-slope Flycatcher
 * Pacific Baza
 * Pacific Black Duck
 * Pacific Coast Joint Venture
 * Pacific golden plover
 * Pacific Gull
 * Pacific Imperial Pigeon
 * Pacific loon
 * Pacific Pygmy Owl
 * Pacific Reef heron
 * Pacific Robin
 * Pacific Royal Flycatcher
 * Pacific screech owl
 * Pacific Seabird Group
 * Pacific Swallow
 * Pacific swift
 * Pacific Wren
 * Paddyfield Pipit
 * Paddyfield Warbler
 * Paddys Island
 * Paektu Mountain
 * Pagham Harbour
 * Painted berrypecker
 * Painted Bunting
 * Painted Bush Quail
 * Painted Buttonquail
 * Painted Finch
 * Painted Francolin
 * Painted Honeyeater
 * Painted Parakeet
 * Painted sandgrouse
 * Painted Spurfowl
 * Painted stork
 * Painted Tiger Parrot
 * Painted Tody-Flycatcher
 * Painted Whitestart
 * Paitchau
 * Pajaro River
 * Pakistani Highflyer
 * Palaeeudyptes antarcticus
 * Palaeeudyptes marplesi
 * Palaelodus
 * Palaelodus aotearoa
 * Palaelodus pledgei
 * Palaelodus wilsoni
 * Palaeoephippiorhynchus
 * Palaeoglaux
 * Palaeospheniscus patagonicus
 * Palaeospheniscus wimani
 * Palaeospiza bella
 * Palawan Blue Flycatcher
 * Palawan Flowerpecker
 * Palawan Flycatcher
 * Palawan Hornbill
 * Palawan Peacock-Pheasant
 * Palawan striped babbler
 * Palawan Swiftlet
 * Palawan Tit
 * Pale-bellied white-eye
 * Pale-billed Antpitta
 * Pale-billed Flowerpecker
 * Pale-billed Parrotbill
 * Pale-billed Sicklebill
 * Pale-billed Woodpecker
 * Pale-blue Monarch
 * Pale-breasted illadopsis
 * Pale-breasted thrush
 * Pale-browed Treehunter
 * Pale-capped pigeon
 * Pale-chinned Blue Flycatcher
 * Pale-crested Woodpecker
 * Pale-eyed thrush
 * Pale-faced Bare-eye
 * Pale-faced Bulbul
 * Pale-footed Bush Warbler
 * Pale-fronted Nigrita
 * Pale-headed Brush Finch
 * Pale-headed Jacamar
 * Pale-headed munia
 * Pale-headed Rosella
 * Pale-headed Woodpecker
 * Pale-legged Leaf Warbler
 * Pale-legged Warbler
 * Pale-shouldered Cicadabird
 * Pale-tailed Barbthroat
 * Pale-vented thrush
 * Pale-winged Trumpeter
 * Pale-yellow Robin
 * Pale Batis
 * Pale Blue Flycatcher
 * Pale Chanting Goshawk
 * Pale Cicadabird
 * Pale crag martin
 * Pale Flycatcher
 * Pale Mountain Pigeon
 * Pale Rockfinch
 * Pale thrush
 * Paleopsilopterus
 * Palestine Sunbird
 * Palila
 * Palintropus
 * Pallas's fish eagle
 * Pallas's Gull
 * Pallas's Leaf Warbler
 * Pallas's sandgrouse
 * Pallid cuckoo
 * Pallid Harrier
 * Pallid scops owl
 * Pallid Spinetail
 * Pallid Swift
 * Palm-nut Vulture
 * Palm Cockatoo
 * Palm crow
 * Palm Islands Nature Reserve
 * Palm Lorikeet
 * Palm Tanager
 * Palm Warbler
 * Palmchat
 * Palmgrove National Park
 * Paltry Tyrannulet
 * Paluma Important Bird Area
 * Paluma Range National Park
 * Pamela C. Rasmussen
 * Pampas Pipit
 * Pan-African Ornithological Congress
 * Panama Amazon
 * Panamanian Flycatcher
 * Panamanian Tyrannulet
 * Panay striped babbler
 * Pangani Longclaw
 * Panmun Field
 * Paparoa National Park
 * Paperbark Flycatcher
 * Papuan eagle
 * Papuan Harrier
 * Papuan King Parrot
 * Papuan Lorikeet
 * Papuan Parrotfinch
 * Papuan Spine-tailed Swift
 * Para Foliage-gleaner
 * Paracathartes
 * Paradise-crow
 * Paradise drongo
 * Paradise Jacamar
 * Paradise Parrot
 * Paradise Riflebird
 * Paradise shelduck
 * Paradise Tanager
 * Parahesperornis
 * Paramillo Tapaculo
 * Paramo Pipit
 * Paramo Tapaculo
 * Paraphysornis
 * Parasitic jaeger
 * Pardalote
 * Pardusco
 * Paria Brush Finch
 * Paria Whitestart
 * Parker's Antbird
 * Parlor Roller
 * Parodi's Hemispingus
 * Paroo-Darling National Park
 * Paroo Floodplain and Currawinya Important Bird Area
 * Parrot-billed Sparrow
 * Parrot Crossbill
 * Parrots of New Guinea
 * Parrots of New Zealand
 * Parsik Hill
 * Partridge Pigeon
 * Parvigrus
 * Passage Island (Tasmania)
 * Passage Islands
 * Passenger pigeon
 * Pat Hall
 * Patagonian Canastero
 * Patagonian Crested Duck
 * Patagonian Mockingbird
 * Patagonian Yellow Finch
 * Patagopteryx
 * Patagornis
 * Pathiramanal
 * Patho Plains Important Bird Area
 * Patna Bird Sanctuary
 * Patricia Vickers-Rich
 * Paul Johnsgard
 * Paul Salaman
 * Paulet Island
 * Pauline Neura Reilly
 * Pauraque
 * Pavonine cuckoo
 * Pavonine Quetzal
 * Pawlett, Somerset
 * Payne Islands
 * Peaceful Dove
 * Peach-fronted Parakeet
 * Peale's Falcon
 * Pearce, Urquhart and Hervey Islands Important Bird Area
 * Pearl-bellied White-eye
 * Pearl-breasted Swallow
 * Pearl-spotted Owlet
 * Pearl Kite
 * Pearl Rocks
 * Pearly-eyed Thrasher
 * Pearly Parakeet
 * Peat extraction on the Somerset Levels
 * Peat Moors Centre
 * Pebble Island
 * Pectoral-patch Cisticola
 * Pectoral Antwren
 * Pectoral sandpiper
 * Pedra Badejo lagoons Important Bird Area
 * Pedra Branca (Tasmania)
 * Peebinga Conservation Park
 * Peel-Harvey Estuary
 * Peene Valley
 * Peg-billed Finch
 * Pel's Fishing Owl
 * Pelagic cormorant
 * Pelagornis
 * Pelecanoides miokuaka
 * Pelecanus cadimurka
 * Pelecanus halieus
 * Pelecanus odessanus
 * Pelecanus schreiberi
 * Pelecanus tirarensis
 * Pelican Island (Tasmania)
 * Pelsaert Group
 * Pelzeln's Tody-Tyrant
 * Pemba Green Pigeon
 * Pemba scops owl
 * Pemba Sunbird
 * Pemba White-eye
 * Pendjari National Park
 * Penduline tit
 * Penelope Diane Olsen
 * Pengana
 * Penguin Island (South Shetland Islands)
 * Penguin Islet (Tasmania)
 * Penguin Point (Seymour Island)
 * Péninsule Jeanne d'Arc
 * Péninsule Loranchet
 * Péninsule Rallier du Baty
 * Pennant-winged Nightjar
 * Percy Edwards
 * Percy Lowe
 * Père David's Snowfinch
 * Père David's Tit
 * Peregrine falcon
 * Perijá Brush Finch
 * Pernambuco Foliage-gleaner
 * Pernambuco Pygmy Owl
 * Peron Islands
 * Perpendicular Point
 * Pershing State Park
 * Peruvian Antpitta
 * Peruvian Booby
 * Peruvian pelican
 * Peruvian Piedtail
 * Peruvian Plantcutter
 * Peruvian Seaside Cinclodes
 * Peruvian Sheartail
 * Peruvian Tyrannulet
 * Peruvian Warbling Antbird
 * Peruvian Wren
 * Pesquet's Parrot
 * Peter Brown (naturalist)
 * Peter Colston
 * Peter Conder
 * Peter Gladstone
 * Peter Hayman
 * Peter J. Grant
 * Peter Kaestner
 * Peter Lansdown
 * Peter Scott
 * Peter Slater
 * Petermann Island
 * Petit's Cuckooshrike
 * Petite Ile Bois Mangue
 * Peveto Woods Bird & Butterfly Sanctuary
 * Pfrimer's Parakeet
 * Phaenicophilus
 * Phainopepla
 * Pharaoh Eagle-Owl
 * Pharomachrus
 * Phasmagyps
 * Pheasant-tailed Jacana
 * Pheasant cuckoo
 * Pheasants Forever
 * Philadelphia Vireo
 * Philip Ashmole
 * Philip Hollom
 * Philip Sclater
 * Philippa's Crombec
 * Philippine Bulbul
 * Philippine coucal
 * Philippine creeper
 * Philippine drongo-cuckoo
 * Philippine Duck
 * Philippine Dwarf Kingfisher
 * Philippine eagle
 * Philippine Eagle-Owl
 * Philippine Fairy-bluebird
 * Philippine Falconet
 * Philippine Frogmouth
 * Philippine Hanging Parrot
 * Philippine hawk-cuckoo
 * Philippine Hawk-Eagle
 * Philippine Hawk-Owl
 * Philippine Leafbird
 * Philippine Megapode
 * Philippine Nightjar
 * Philippine Oriole
 * Philippine Pygmy Woodpecker
 * Philippine scops owl
 * Philippine serpent eagle
 * Philippine Spine-tailed Swift
 * Philippine Swiftlet
 * Philippine Trogon
 * Phillip Clancey
 * Phillip Island (Norfolk Island)
 * Phillip Island Important Bird Area
 * Phillip Parker King
 * Phlogophilus
 * Phoebe Snetsinger
 * Phoebetria
 * Phoeniconotius
 * Phoenix Islands Protected Area
 * Phorusrhacidae
 * Phorusrhacos
 * Phyllis Barclay-Smith
 * Physornis
 * Piapiac
 * Picathartes
 * Piccaninnie Ponds Conservation Park
 * Pictorella Mannikin
 * Pied-billed grebe
 * Pied-winged Swallow
 * Pied Avocet
 * Pied bronze cuckoo
 * Pied Bush Chat
 * Pied Butcherbird
 * Pied crow
 * Pied Cuckoo-Dove
 * Pied Cuckooshrike
 * Pied currawong
 * Pied Falconet
 * Pied Harrier
 * Pied heron
 * Pied Honeyeater
 * Pied Imperial Pigeon
 * Pied kingfisher
 * Pied Monarch
 * Pied Myna
 * Pied Oystercatcher
 * Pied raven
 * Pied Starling
 * Pied thrush
 * Pied Triller
 * Pied Water Tyrant
 * Pied Wheatear
 * Pierce Brodkorb
 * Pigmy Pouter
 * Pile-builder Megapode
 * Pileated Flycatcher
 * Pileated Parrot
 * Pileated Woodpecker
 * Pilliga forest
 * Pilotbird
 * Pin-striped tit-babbler
 * Pin-tailed Green Pigeon
 * Pin-tailed Manakin
 * Pin-tailed Parrotfinch
 * Pin-tailed sandgrouse
 * Pin-tailed snipe
 * Pin-tailed Whydah
 * Pine Bunting
 * Pine Flycatcher
 * Pine Grosbeak
 * Pine Siskin
 * Pine Warbler
 * Pink-backed Pelican
 * Pink-billed Parrotfinch
 * Pink-browed Rosefinch
 * Pink-eared Duck
 * Pink-footed goose
 * Pink-footed Puffback
 * Pink-footed shearwater
 * Pink-headed Duck
 * Pink-headed Fruit Dove
 * Pink-headed Imperial Pigeon
 * Pink-headed Warbler
 * Pink-legged Graveteiro
 * Pink-legged Rail
 * Pink-necked Green Pigeon
 * Pink-throated twinspot
 * Pink Lake (Western Australia)
 * Pink Robin
 * Pinnated bittern
 * Pinpanetta
 * Pinsker's Hawk-Eagle
 * Pinto's Spinetail
 * Pinyon Jay
 * Piopio (bird)
 * Piper Islands National Park
 * Piping crow
 * Piping Hornbill
 * Piping plover
 * Piping Shrike
 * Pipipi
 * Pirie Peninsula
 * Pirre Bush Tanager
 * Pitcairn Islands
 * Piton des Neiges – Gros Morne Important Bird Area
 * Pitt Shag
 * Pitta-like Ground Roller
 * Pitti
 * Piura Chat-Tyrant
 * Plain-backed Pipit
 * Plain-backed Sparrow
 * Plain-backed Sunbird
 * Plain-backed thrush
 * Plain-bellied Emerald
 * Plain-brown Woodcreeper
 * Plain-capped Starthroat
 * Plain-flanked Rail
 * Plain-mantled Tit-Spinetail
 * Plain-tailed Nighthawk
 * Plain-tailed Warbling Finch
 * Plain-winged Woodcreeper
 * Plain Bush-hen
 * Plain chachalaca
 * Plain Flowerpecker
 * Plain Gerygone
 * Plain Greenbul
 * Plain Laughingthrush
 * Plain Leaf Warbler
 * Plain Mountain Finch
 * Plain Nightjar
 * Plain Parakeet
 * Plain Pigeon
 * Plain Prinia
 * Plain Sunbird
 * Plain Swift
 * Plain Wren
 * Plaine des Chicots – Plaine d'Affouches Important Bird Area
 * Plains-wanderer
 * Plaintive cuckoo
 * Planalto Hermit
 * Planalto Slaty Antshrike
 * Planalto Tapaculo
 * Planalto Tyrannulet
 * Plankeholmane Bird Sanctuary
 * Plate-billed Mountain Toucan
 * Plateau des Tourbières
 * Pleske's Ground Jay
 * Plotopteridae
 * Plover Islands
 * Plum-faced Lorikeet
 * Plum-headed Finch
 * Plum-headed Parakeet
 * Plumbeous-backed thrush
 * Plumbeous Antvireo
 * Plumbeous Forest Falcon
 * Plumbeous hawk
 * Plumbeous Ibis
 * Plumbeous Kite
 * Plumbeous Vireo
 * Plumbeous Warbler
 * Plumbeous Water Redstart
 * Plumed Guineafowl
 * Plush-crested Jay
 * Point-tailed Palmcreeper
 * Point Blue Conservation Science
 * Point Martin
 * Point of Ayr
 * Point Pelee National Park
 * Point Wilson, Victoria
 * Point Wordie
 * Pointe Mouillee State Game Area
 * Polden Hills
 * Poliocephalus (grebe)
 * Pollen's Vanga
 * Polynesian Ground Dove
 * Polynesian Imperial Pigeon
 * Polynesian sandpiper
 * Polynesian Starling
 * Polynesian Triller
 * Pomarine skua
 * Pompadour Cotinga
 * Pompadour Green Pigeon
 * Poole Harbour
 * Poor Knights Islands
 * Poʻouli
 * Pope's Eye
 * Poplar Thicket
 * Porbandar Bird Sanctuary
 * Port Colborne
 * Port Davey
 * Port Davey Islands Important Bird Area
 * Port Fairy to Warrnambool Important Bird Area
 * Port Hedland Saltworks Important Bird Area
 * Port McArthur Tidal Wetlands System
 * Portmore Lough
 * Potamornis
 * Potter Peninsula
 * Pottinger Point
 * Powerful Goshawk
 * Powerful Owl
 * Prairie falcon
 * Prairie Habitat Joint Venture
 * Prairie Warbler
 * Prall's Island
 * Praslin National Park and surrounding areas Important Bird Area
 * Predicted Antwren
 * Presbyornis
 * Presqu'ile Provincial Park
 * Preuss's cliff swallow
 * Preuss's Weaver
 * Prevost's Ground Sparrow
 * Prickly Pear Cays
 * Prideaux John Selby
 * Prigogine's Greenbul
 * Primapus
 * Primitive Koa Finch
 * Primobucco
 * Primophaps
 * Prince Edward Island National Park
 * Prince Leopold Island
 * Prince Leopold Island Migratory Bird Sanctuary
 * Prince Regent and Mitchell River Important Bird Area
 * Princess Parrot
 * Princess Stephanie's Astrapia
 * Príncipe Kingfisher
 * Príncipe Speirops
 * Principe Starling
 * Príncipe Sunbird
 * Príncipe thrush
 * Príncipe Weaver
 * Príncipe White-eye
 * Pririt Batis
 * Proapteryx
 * Procariama
 * Prong-billed Barbet
 * Protea Canary
 * Prothonotary Warbler
 * Protopelicanus
 * Protopteryx
 * Przevalski's Nuthatch
 * Przevalski's Parrotbill
 * Przevalski's Redstart
 * Pseudocrypturus
 * Psilopterus
 * Psittacopes
 * Psittacus
 * Pterodromoides
 * Puaiohi
 * Puckapunyal
 * Pueo
 * Puerto Rican Amazon
 * Puerto Rican Barn Owl
 * Puerto Rican Broad-winged Hawk
 * Puerto Rican Bullfinch
 * Puerto Rican Conure
 * Puerto Rican crow
 * Puerto Rican Emerald
 * Puerto Rican Flycatcher
 * Puerto Rican lizard cuckoo
 * Puerto Rican Nightjar
 * Puerto Rican Oriole
 * Puerto Rican Quail-Dove
 * Puerto Rican screech owl
 * Puerto Rican Sharp-shinned Hawk
 * Puerto Rican spindalis
 * Puerto Rican Tanager
 * Puerto Rican Tody
 * Puerto Rican Vireo
 * Puerto Rican Woodpecker
 * Puff-throated Babbler
 * Puffin
 * Puffin Island (County Kerry)
 * Puffinus nestori
 * Puffleg
 * Pukeko
 * Pulau Ubin
 * Pulborough Brooks
 * Pulicat Lake Bird Sanctuary
 * Pulitzer's Longbill
 * Pumicestone Passage
 * Puna Teal
 * Puna Thistletail
 * Puriton
 * Purple-backed Sunbeam
 * Purple-bearded Bee-eater
 * Purple-bellied Lory
 * Purple-bibbed Whitetip
 * Purple-crowned Fairy
 * Purple-crowned Fairywren
 * Purple-crowned Lorikeet
 * Purple-gaped Honeyeater
 * Purple-headed Starling
 * Purple-naped Lory
 * Purple-naped Sunbird
 * Purple-rumped Sunbird
 * Purple-tailed Imperial Pigeon
 * Purple-throated Carib
 * Purple-throated Cuckooshrike
 * Purple-throated Fruitcrow
 * Purple-throated Mountaingem
 * Purple-throated Sunbird
 * Purple-throated Woodstar
 * Purple-winged Roller
 * Purple cochoa
 * Purple grenadier
 * Purple heron
 * Purple Honeycreeper
 * Purple Indigobird
 * Purple Martin
 * Purple Roller
 * Purple sandpiper
 * Purple Starling
 * Purple Sunbird
 * Purple swamphen
 * Purplish Honeycreeper
 * Pursuit Point
 * Puttenahalli Lake (Yelahanka)
 * Putting Biodiversity on the Map
 * Puvel's illadopsis
 * Pygmy Antwren
 * Pygmy Batis
 * Pygmy Bushtit
 * Pygmy Cormorant
 * Pygmy Cuckooshrike
 * Pygmy Falcon
 * Pygmy Flowerpecker
 * Pygmy Flycatcher
 * Pygmy Hanging Parrot
 * Pygmy Lorikeet
 * Pygmy Nightjar
 * Pygmy Nuthatch
 * Pygmy Sunbird
 * Pygmy Swiftlet
 * Pygmy white-eye
 * Pygmy Wren-babbler
 * Pygoscelis tyreei
 * Pyrrhuloxia
 * Quail-plover
 * Quailfinch Indigobird
 * Quebrada de los Cuervos
 * Queen Carola's Parotia
 * Queen Elizabeth II Botanic Park
 * Queen Elizabeth National Park
 * Queen Maud Gulf Migratory Bird Sanctuary
 * Queensland Ornithological Society Inc
 * Quercypsitta
 * Quill Lakes
 * Quoin Bluff
 * R. S. R. Fitter
 * Rab-do and Muki-do Islands Important Bird Area
 * Rabbit Island (Chatham Islands)
 * Rachel's Malimbe
 * Rackelhahn
 * Racket-tailed Coquette
 * Radde's Accentor
 * Radde's Warbler
 * Radipole Lake
 * Raggiana bird-of-paradise
 * Rahasane turlough
 * Raiganj Wildlife Sanctuary
 * Rail-babbler
 * Raimondi's Yellow Finch
 * Rain Quail
 * Rainbow-billed Toucan
 * Rainbow Bee-eater
 * Rainbow Lorikeet
 * Rainbow Pitta
 * Raine Island
 * Rainforest scops owl
 * Raja Shelduck
 * Rajah scops owl
 * Rakaia River
 * Ralph Hoffmann
 * Ralphs Bay
 * Ram Island (Tasmania)
 * Ramsey Island
 * Ranganthittu Bird Sanctuary
 * Rangkul Valley Important Bird Area
 * Ranongga White-eye
 * Raoul Island
 * Rapa Fruit Dove
 * Rapa Iti
 * Raphinae
 * Raptor Education Group
 * Raptor Research Foundation
 * Rare Breeding Birds Panel
 * Rarotonga Monarch
 * Rarotonga Starling
 * Rasmussen Lowlands
 * Raso Lark
 * Rathlin Island
 * Ravens of the Tower of London
 * Ravine de la Grande Chaloupe Important Bird Area
 * Rawnsley's Bowerbird
 * Raymond Duncan (ornithologist)
 * Raymond Littlejohns
 * Razor-billed Curassow
 * Razorbill
 * Rdum Tal-Madonna Important Bird Area
 * Read's Island
 * Recherche Archipelago
 * Red-and-black Grosbeak
 * Red-and-black thrush
 * Red-and-blue Lory
 * Red-and-green Macaw
 * Red-and-white Antpitta
 * Red-and-white Spinetail
 * Red-and-yellow Barbet
 * Red-backed fairywren
 * Red-backed Kingfisher
 * Red-backed mannikin
 * Red-backed Shrike
 * Red-backed thrush
 * Red-banded Flowerpecker
 * Red-banded Fruiteater
 * Red-bellied Fruit Dove
 * Red-bellied Grackle
 * Red-bellied Macaw
 * Red-bellied Malimbe
 * Red-bellied Paradise Flycatcher
 * Red-bellied Parrot
 * Red-billed Blue Magpie
 * Red-billed Brushturkey
 * Red-billed chough
 * Red-billed Curassow
 * Red-billed Dwarf Hornbill
 * Red-billed firefinch
 * Red-billed ground cuckoo
 * Red-billed Gull
 * Red-billed Helmetshrike
 * Red-billed Hornbill
 * Red-billed leiothrix
 * Red-billed Parrot
 * Red-billed Partridge
 * Red-billed Pigeon
 * Red-billed Pytilia
 * Red-billed Quelea
 * Red-billed Scimitar Babbler
 * Red-billed Starling
 * Red-billed Streamertail
 * Red-billed Teal
 * Red-billed Toucan
 * Red-billed tropicbird
 * Red-billed Woodcreeper
 * Red-breasted Chat
 * Red-breasted coua
 * Red-breasted Flycatcher
 * Red-breasted Goose
 * Red-breasted merganser
 * Red-breasted Nuthatch
 * Red-breasted Parakeet
 * Red-breasted Partridge
 * Red-breasted Pygmy Parrot
 * Red-breasted Sapsucker
 * Red-breasted Swallow
 * Red-breasted Wheatear
 * Red-browed Amazon
 * Red-browed Finch
 * Red-browed Pardalote
 * Red-browed Treecreeper
 * Red-capped cardinal
 * Red-capped coua
 * Red-capped Crombec
 * Red-capped Flowerpecker
 * Red-capped Lark
 * Red-capped Parrot
 * Red-capped Plover
 * Red-capped robin
 * Red-capped Robin-Chat
 * Red-cheeked cordon-bleu
 * Red-cheeked Parrot
 * Red-cheeked Wattle-eye
 * Red-chested Buttonquail
 * Red-chested cuckoo
 * Red-chested Flufftail
 * Red-chested Goshawk
 * Red-chested Owlet
 * Red-chested Swallow
 * Red-chinned Lorikeet
 * Red-cockaded Woodpecker
 * Red-collared Lorikeet
 * Red-collared Widowbird
 * Red-collared Woodpecker
 * Red-cowled cardinal
 * Red-crested cardinal
 * Red-crested Pochard
 * Red-crested turaco
 * Red-crowned Amazon
 * Red-crowned crane
 * Red-crowned Malimbe
 * Red-crowned Parakeet
 * Red-eared Firetail
 * Red-eared Fruit Dove
 * Red-eared Parrotfinch
 * Red-eyed Dove
 * Red-eyed Puffback
 * Red-eyed Vireo
 * Red-faced Cisticola
 * Red-faced Crimsonwing
 * Red-faced Crombec
 * Red-faced Guan
 * Red-faced Liocichla
 * Red-faced malkoha
 * Red-faced Mousebird
 * Red-faced Parrot
 * Red-faced Warbler
 * Red-flanked Bluetail
 * Red-flanked Lorikeet
 * Red-footed booby
 * Red-footed falcon
 * Red-fronted Antpecker
 * Red-fronted coua
 * Red-fronted Lorikeet
 * Red-fronted Macaw
 * Red-fronted Parrot
 * Red-fronted Rosefinch
 * Red-fronted Serin
 * Red-fronted Tinkerbird
 * Red-headed Barbet
 * Red-headed Bluebill
 * Red-headed Bullfinch
 * Red-headed Bunting
 * Red-headed finch
 * Red-headed Fody
 * Red-headed Lovebird
 * Red-headed Malimbe
 * Red-headed Parrotfinch
 * Red-headed Quelea
 * Red-headed Tanager
 * Red-headed Trogon
 * Red-headed Vulture
 * Red-headed Weaver
 * Red-headed Woodpecker
 * Red-hooded Tanager
 * Red-keeled Flowerpecker
 * Red-kneed Dotterel
 * Red-knobbed Coot
 * Red-legged Cormorant
 * Red-legged Crake
 * Red-legged Honeycreeper
 * Red-legged kittiwake
 * Red-legged Partridge
 * Red-legged Seriema
 * Red-legged thrush
 * Red-lored Amazon
 * Red-lored Whistler
 * Red-mantled Rosefinch
 * Red-masked Parakeet
 * Red-moustached Fruit Dove
 * Red-naped Fruit Dove
 * Red-naped Ibis
 * Red-naped Sapsucker
 * Red-naped Trogon
 * Red-necked Amazon
 * Red-necked Aracari
 * Red-necked Avocet
 * Red-necked Buzzard
 * Red-necked Crake
 * Red-necked Falcon
 * Red-necked grebe
 * Red-necked Nightjar
 * Red-necked phalarope
 * Red-necked Spurfowl
 * Red-necked stint
 * Red-pate Cisticola
 * Red-rumped Cacique
 * Red-rumped Parrot
 * Red-rumped Swallow
 * Red-rumped Tinkerbird
 * Red-rumped Wheatear
 * Red-shouldered Blackbird
 * Red-shouldered Cuckooshrike
 * Red-shouldered hawk
 * Red-shouldered Macaw
 * Red-shouldered Spinetail
 * Red-shouldered Vanga
 * Red-spectacled Amazon
 * Red-tailed Amazon
 * Red-tailed ant thrush
 * Red-tailed black cockatoo
 * Red-tailed Bristlebill
 * Red-tailed Comet
 * Red-tailed Greenbul
 * Red-tailed hawk
 * Red-tailed Leaflove
 * Red-tailed minla
 * Red-tailed Newtonia
 * Red-tailed Shrike
 * Red-tailed tropicbird
 * Red-tailed Vanga
 * Red-tailed Wheatear
 * Red-thighed Sparrowhawk
 * Red-throated alethe
 * Red-throated Bee-eater
 * Red-throated Caracara
 * Red-throated cliff swallow
 * Red-throated loon
 * Red-throated Lorikeet
 * Red-throated parrotfinch
 * Red-throated Piping Guan
 * Red-throated Pipit
 * Red-throated thrush
 * Red-throated Tit
 * Red-throated twinspot
 * Red-throated Wood Rail
 * Red-throated Wryneck
 * Red-vented Bulbul
 * Red-vented Cockatoo
 * Red-vented Malimbe
 * Red-vested Myzomela
 * Red-wattled Lapwing
 * Red-whiskered Bulbul
 * Red-winged Blackbird
 * Red-winged Fairywren
 * Red-winged francolin
 * Red-winged Grey Warbler
 * Red-winged Parrot
 * Red-winged Pytilia
 * Red-winged Starling
 * Red-winged Warbler
 * Red Avadavat
 * Red Bird-of-paradise
 * Red Crossbill
 * Red Fody
 * Red Goshawk
 * Red Grouse
 * Red Junglefowl
 * Red Kite
 * Red knot
 * Red Lory
 * Red phalarope
 * Red Siskin
 * Red Spurfowl
 * Red Turtle Dove
 * Red warbler
 * Red Wattlebird
 * Redberry Lake (Saskatchewan)
 * Reddish egret
 * Reddish Hermit
 * Reddish scops owl
 * Redhead (bird)
 * Redpoll
 * Redthroat
 * Redwing
 * Reed Cormorant
 * Reed Parrotbill
 * Reedy Lake
 * Reef Hills State Park
 * Reeves's Pheasant
 * Reg Johnson
 * Regent Bowerbird
 * Regent Honeyeater
 * Regent Parrot
 * Reginald Ernest Moreau
 * Reichenbach's Sunbird
 * Reid Bay
 * Reischek's Parakeet
 * Relict Gull
 * Remiornis
 * Rendezvous Bay Pond
 * Rennell Fantail
 * Rennell Shrikebill
 * Rennell Starling
 * Rennell White-eye
 * Repulse Bay to Ince Bay Important Bird Area
 * Resplendent Quetzal
 * Restigouche River
 * Restinga Antwren
 * Restinga Tyrannulet
 * Restless Flycatcher
 * Return Point
 * Réunion Bulbul
 * Réunion cuckooshrike
 * Réunion Fody
 * Réunion Harrier
 * Réunion Ibis
 * Réunion Kestrel
 * Réunion night heron
 * Réunion Olive White-eye
 * Réunion Owl
 * Réunion Parakeet
 * Réunion Parrot
 * Réunion Pink Pigeon
 * Réunion Rail
 * Réunion Sheldgoose
 * Réunion Stonechat
 * Réunion Swamphen
 * Rhenanorallus
 * Rhinoceros Hornbill
 * Rhodacanthis
 * Rhynochetos
 * Ribble and Alt Estuaries
 * Ribbon-tailed Astrapia
 * Ribeira do Rabil Important Bird Area
 * Richard's Pipit
 * Richard Bowdler Sharpe
 * Richard C. Banks
 * Richard Carew (antiquary)
 * Richard Holmes (ornithologist)
 * Richard Meinertzhagen
 * Richard Millington
 * Richard Prum
 * Richard Roy Maconachie
 * Richard Schodde
 * Richard Weatherly
 * Richard Zann
 * Richardson Bay
 * Richmond Woodlands Important Bird Area
 * Riddagshausen Abbey
 * Ridgway's Hawk
 * Rifleman (bird)
 * Ring-billed gull
 * Ring-necked Dove
 * Ring-necked duck
 * Ring-necked francolin
 * Ring-tailed Pigeon
 * Ring Ouzel
 * Ringed Antpipit
 * Ringed kingfisher
 * Ringed Teal
 * Ringed Woodpecker
 * Rinjani scops owl
 * Rinns of Islay
 * Rio de Janeiro Antbird
 * Rio de Janeiro Antwren
 * Rio Grande Valley birds
 * River Axe (Bristol Channel)
 * River Brue
 * River Cary
 * River Deben
 * River Huntspill
 * River Lapwing
 * River Parrett
 * River Prinia
 * River Sheppey
 * River Tern (bird)
 * River Tone
 * River Tyrannulet
 * River Warbler
 * River Ythan
 * Riverina Plains Important Bird Area
 * Riverland Biosphere Reserve
 * Riverland Mallee Important Bird Area
 * Rivière des Marsouins – Grand Étang Important Bird Area
 * Rivière des Remparts – Rivière Langevin Important Bird Area
 * Road Salt Pond
 * Roadside hawk
 * Rob Hume
 * Robbins Passage and Boullanger Bay Important Bird Area
 * Robert Cecil Beavan
 * Robert Cushman Murphy
 * Robert D. FitzGerald
 * Robert Dougall
 * Robert George Wardlaw Ramsay
 * Robert Gillmor
 * Robert Gray (ornithologist)
 * Robert Hall (ornithologist)
 * Robert Jameson
 * Robert Payne (ornithologist)
 * Robert Ricklefs
 * Robert Ridgely (ornithologist)
 * Robert Ridgway
 * Robert Stroud
 * Robert Sweet (botanist)
 * Robert Swinhoe
 * Robert Thomas Moore
 * Robert Winthrop Storer
 * Robertson Islands
 * Robin Accentor
 * Robust white-eye
 * Rock Bunting
 * Rock Bush Quail
 * Rock dove
 * Rock Firefinch
 * Rock martin
 * Rock of Gibraltar
 * Rock Parrot
 * Rock Partridge
 * Rock Pratincole
 * Rock ptarmigan
 * Rock Shag
 * Rock Sparrow
 * Rock Tapaculo
 * Rock Wren
 * Rockjumper
 * Rockwarbler
 * Rocky Mountain Bird Observatory
 * Rocky Mountain Raptor Program
 * Rodolphe Meyer de Schauensee
 * Rodondo Island
 * Roebuck Bay
 * Roger Tory Peterson
 * Roland Pope
 * Rollo Beck
 * Romblon Hawk-Owl
 * Ronald Eric Johnstone
 * Ronald Hickling
 * Rondeau Provincial Park
 * Rondônia Bushbird
 * Rondonia Warbling Antbird
 * Rook (bird)
 * Roper River Scrub Robin
 * Roraiman Antbird
 * Rose-bellied Bunting
 * Rose-breasted grosbeak
 * Rose-collared Piha
 * Rose-crowned Fruit Dove
 * Rose-crowned Parakeet
 * Rose-fronted Parakeet
 * Rose-ringed Parakeet
 * Rose-throated Becard
 * Rose Robin
 * Roseate spoonbill
 * Roseate tern
 * Rosella
 * Rosemary Low
 * Ross's goose
 * Ross's gull
 * Ross's turaco
 * Rosy-billed pochard
 * Rosy-faced Lovebird
 * Rosy-throated Longclaw
 * Rosy Bee-eater
 * Rosy Minivet
 * Rosy Pipit
 * Rosy Starling
 * Rota white-eye
 * Rotamah Island Bird Observatory
 * Rothschild's Bird of Paradise
 * Rothschild's Lobe-billed Bird of Paradise
 * Rottnest Island
 * Rotuma Myzomela
 * Rouget's Rail
 * Rough-crested malkoha
 * Rough-faced Shag
 * Rough-legged buzzard
 * Round Top Island
 * Roviana Rail
 * Roxie Collie Laybourne
 * Roy Bell (ornithologist)
 * Roy Percy Cooper
 * Royal Australasian Ornithologists Union
 * Royal Australasian Ornithologists Union Fellows
 * Royal Botanical Gardens (Ontario)
 * Royal Parrotfinch
 * Royal Society for the Protection of Birds
 * Royal Spoonbill
 * Royal Sunangel
 * Royal tern
 * RSPB Bowling Green Marsh
 * RSPB Frampton Marsh
 * RSPB Minsmere
 * Rubeho Forest Partridge
 * Rubicon Estuary
 * Ruby-cheeked Sunbird
 * Ruby-throated Bulbul
 * Ruby-throated Hummingbird
 * Ruby-topaz Hummingbird
 * Rück's Blue Flycatcher
 * Rudd's Lark
 * Ruddy-breasted Crake
 * Ruddy-capped nightingale-thrush
 * Ruddy-headed Goose
 * Ruddy-tailed Flycatcher
 * Ruddy duck
 * Ruddy ground dove
 * Ruddy Kingfisher
 * Ruddy Pigeon
 * Ruddy Quail-Dove
 * Ruddy Shelduck
 * Ruddy turnstone
 * Rufescent darkeye
 * Rufescent Prinia
 * Ruff
 * Ruffed grouse
 * Rufous-and-white Wren
 * Rufous-backed Antvireo
 * Rufous-backed Honeyeater
 * Rufous-backed Inca Finch
 * Rufous-backed Kingfisher
 * Rufous-backed Sibia
 * Rufous-backed thrush
 * Rufous-bellied Antwren
 * Rufous-bellied Chachalaca
 * Rufous-bellied Hawk-Eagle
 * Rufous-bellied Helmetshrike
 * Rufous-bellied Kookaburra
 * Rufous-bellied Niltava
 * Rufous-bellied Seedsnipe
 * Rufous-bellied thrush
 * Rufous-bellied Triller
 * Rufous-bellied Woodpecker
 * Rufous-breasted Accentor
 * Rufous-breasted Bush Robin
 * Rufous-breasted Chat-Tyrant
 * Rufous-breasted Hermit
 * Rufous-breasted Warbling Finch
 * Rufous-breasted Wren
 * Rufous-browed Hemispingus
 * Rufous-browed Peppershrike
 * Rufous-brown solitaire
 * Rufous-capped babbler
 * Rufous-capped Brush Finch
 * Rufous-capped Warbler
 * Rufous-cheeked Nightjar
 * Rufous-cheeked Tanager
 * Rufous-chinned Laughingthrush
 * Rufous-collared sparrow
 * Rufous-collared thrush
 * Rufous-crowned Emu-wren
 * Rufous-crowned Eremomela
 * Rufous-crowned Greenlet
 * Rufous-crowned Sparrow
 * Rufous-crowned Tody-Flycatcher
 * Rufous-eared Brush Finch
 * Rufous-eared Warbler
 * Rufous-faced Antbird
 * Rufous-faced Antpitta
 * Rufous-faced Warbler
 * Rufous-fronted babbler
 * Rufous-fronted Bushtit
 * Rufous-fronted Laughingthrush
 * Rufous-fronted Parakeet
 * Rufous-fronted Prinia
 * Rufous-gorgeted Flycatcher
 * Rufous-headed Ground Roller
 * Rufous-headed Parrotbill
 * Rufous-headed Tanager
 * Rufous-headed Woodpecker
 * Rufous-naped Brush Finch
 * Rufous-naped Lark
 * Rufous-naped Tit
 * Rufous-naped Wren
 * Rufous-necked Hornbill
 * Rufous-necked Laughingthrush
 * Rufous-necked Snowfinch
 * Rufous-necked Sparrowhawk
 * Rufous-rumped Lark
 * Rufous-sided Broadbill
 * Rufous-sided Gerygone
 * Rufous-sided Honeyeater
 * Rufous-tailed Antbird
 * Rufous-tailed Antthrush
 * Rufous-tailed Attila
 * Rufous-tailed Babbler
 * Rufous-tailed Fantail
 * Rufous-tailed Hawk
 * Rufous-tailed Hummingbird
 * Rufous-tailed Jacamar
 * Rufous-tailed Lark
 * Rufous-tailed Plantcutter
 * Rufous-tailed Scrub Robin
 * Rufous-throated Dipper
 * Rufous-throated Flycatcher
 * Rufous-throated Fulvetta
 * Rufous-throated Honeyeater
 * Rufous-throated Partridge
 * Rufous-throated Sapphire
 * Rufous-throated solitaire
 * Rufous-throated Wren-Babbler
 * Rufous-vented Chachalaca
 * Rufous-vented ground cuckoo
 * Rufous-vented Laughingthrush
 * Rufous-vented Paradise Flycatcher
 * Rufous-vented Prinia
 * Rufous-vented Tapaculo
 * Rufous-vented Tit
 * Rufous-vented Whitetip
 * Rufous-vented yuhina
 * Rufous-webbed Brilliant
 * Rufous-winged Antshrike
 * Rufous-winged Buzzard
 * Rufous-winged ground cuckoo
 * Rufous-winged Sparrow
 * Rufous-winged Sunbird
 * Rufous Babbler
 * Rufous Bristlebird
 * Rufous Cisticola
 * Rufous coucal
 * Rufous Fantail
 * Rufous Fieldwren
 * Rufous Fishing Owl
 * Rufous Flycatcher
 * Rufous Gnateater
 * Rufous Hornbill
 * Rufous hornero
 * Rufous Hummingbird
 * Rufous Motmot
 * Rufous Potoo
 * Rufous Scrubbird
 * Rufous Sibia
 * Rufous Songlark
 * Rufous Treecreeper
 * Rufous Treepie
 * Rufous Twistwing
 * Rufous Vanga
 * Rufous Whistler
 * Rufous Woodpecker
 * Rugezi Marsh
 * Running coua
 * Rüppell's Black Chat
 * Rüppell's Parrot
 * Rüppell's Vulture
 * Rüppell's Warbler
 * Rushworth Box-Ironbark Region
 * Ruspoli's turaco
 * Russell Balda
 * Russell River National Park
 * Russet-backed Jungle Flycatcher
 * Russet-bellied Spinetail
 * Russet-crowned Motmot
 * Russet-crowned Warbler
 * Russet-mantled Softtail
 * Russet-tailed thrush
 * Russet-throated Puffbird
 * Russet-winged Schiffornis
 * Russet Bush Warbler
 * Russet nightingale-thrush
 * Russet sparrow
 * Rustic Bunting
 * Rusty-backed Monjita
 * Rusty-barred Owl
 * Rusty-bellied Brush Finch
 * Rusty-bellied Fantail
 * Rusty-bellied Shortwing
 * Rusty-breasted Nunlet
 * Rusty-breasted Whistler
 * Rusty-breasted Wren-Babbler
 * Rusty-capped Fulvetta
 * Rusty-cheeked Scimitar Babbler
 * Rusty-crowned babbler
 * Rusty-crowned Ground Sparrow
 * Rusty-crowned Tit-Spinetail
 * Rusty-faced Parrot
 * Rusty-flanked Crake
 * Rusty-flanked Treecreeper
 * Rusty-fronted Barwing
 * Rusty-fronted Canastero
 * Rusty-headed Spinetail
 * Rusty-margined Flycatcher
 * Rusty-margined Guan
 * Rusty-necked Piculet
 * Rusty-tailed Flycatcher
 * Rusty-throated Wren-Babbler
 * Rusty-tinged Antpitta
 * Rusty Blackbird
 * Rusty Pitohui
 * Rusty Sparrow
 * Ruthven Deane
 * Rutland Water
 * Ruwenzori Batis
 * Ruwenzori turaco
 * Ruys' Bird of Paradise
 * Rwenzori Mountains National Park
 * Rye Meads nature reserve
 * Ryonghung Gang estuary Important Bird Area
 * Ryukyu Kingfisher
 * Ryukyu Minivet
 * Ryukyu robin
 * Ryūkyū scops owl
 * Ryukyu wood pigeon
 * Sabine's gull
 * Sabine's Puffback
 * Sabine's Spinetail
 * Sabota Lark
 * Sacred Kingfisher
 * Sad Flycatcher
 * Saddle-billed Stork
 * Saddleback (bird)
 * Saddleback Point
 * Saffron-cowled Blackbird
 * Saffron-crested Tyrant-Manakin
 * Saffron Finch
 * Sagarmatha National Park
 * Sage thrasher
 * Sagebrush Sparrow
 * Saginaw Bay
 * Saint Croix macaw
 * Saint Helena Shearwater
 * Saint Lucia Amazon
 * Saint Lucia Black Finch
 * Saint Lucia Oriole
 * Saint Lucia Warbler
 * Saint Vincent Amazon
 * Sakalava Rail
 * Sakalava Weaver
 * Saker Falcon
 * Salikuit Islands
 * Salim Ali Bird Sanctuary
 * Salinas Monjita
 * Salmon-crested Cockatoo
 * Salt Marsh Common Yellowthroat
 * Salton Sea
 * Salvadori's Antwren
 * Salvadori's Fig Parrot
 * Salvadori's Nightjar
 * Salvadori's Pheasant
 * Salvadori's Seedeater
 * Salvadori's teal
 * Salvadorian Magpie
 * Salvin's Albatross
 * Salvin's Curassow
 * Salvin's Prion
 * Saman Sanctuary
 * Samar Hornbill
 * Samaspur Sanctuary
 * Samoan Fantail
 * Samoan Flycatcher
 * Samoan Triller
 * Samoan Whistler
 * Samoan white-eye
 * Samoan Woodhen
 * Samuel Albert White
 * Samuel Tickell
 * Samuel Washington Woodhouse
 * San Andres Vireo
 * San Benedicto Rock Wren
 * San Blas Jay
 * San Clemente Loggerhead Shrike
 * San Cristobal Mockingbird
 * San Luis National Wildlife Refuge Complex
 * Sand Lark
 * Sand Martin
 * Sand Partridge
 * Sanderling
 * Sandhill crane
 * Sandi Bird Sanctuary
 * Sandoy
 * Sands of Forvie
 * Sandstone shrikethrush
 * Sandwell Valley
 * Sandwell Valley RSPB reserve
 * Sandwich tern
 * Sandy Gallito
 * Sandy Island (Lacepede Islands)
 * Sandy Island (Windy Harbour)
 * Sandy Island and Low Rock Important Bird Area
 * Sandy scops owl
 * Sandy Wollaston
 * Sanford's Bowerbird
 * Sanford's white-eye
 * Sangihe Hanging Parrot
 * Sangihe shrikethrush
 * Sangihe white-eye
 * Sanshuiornis
 * Santa Cruz white-eye
 * Santa Maria Goldcrest
 * Santa Marta Antbird
 * Santa Marta Antpitta
 * Santa Marta Brush Finch
 * Santa Marta Bush Tyrant
 * Santa Marta Foliage-gleaner
 * Santa Marta Mountain Tanager
 * Santa Marta Parakeet
 * Santa Marta Sabrewing
 * Santa Marta Tapaculo
 * Santa Marta Warbler
 * Santa Marta Woodstar
 * Santa Marta Wren
 * Santarem Parakeet
 * Sao Francisco Black Tyrant
 * São Francisco Sparrow
 * Sao Miguel Goldcrest
 * São Paulo Marsh Antwren
 * São Tomé Fiscal
 * São Tomé Green Pigeon
 * São Tomé Grosbeak
 * São Tomé Kingfisher
 * São Tomé Oriole
 * São Tomé Paradise Flycatcher
 * São Tomé Prinia
 * São Tomé scops owl
 * São Tomé Shorttail
 * São Tomé Spinetail
 * São Tomé thrush
 * São Tomé Weaver
 * São Tomé White-eye
 * Sapayoa
 * Sapeornis
 * Sapphire-bellied Hummingbird
 * Sapphire-spangled Emerald
 * Sapphire Flycatcher
 * Sarazm Important Bird Area
 * Sardinian Warbler
 * Sarus crane
 * Satanic Nightjar
 * Satin Bowerbird
 * Satin Flycatcher
 * Satyr Tragopan
 * Saunders's Gull
 * Saunders's Tern
 * Saunders Island, Falkland Islands
 * Savanna Hawk
 * Savanna Nightjar
 * Savannah sparrow
 * Savi's Warbler
 * Saw-billed Hermit
 * Saxaul sparrow
 * Sayaca Tanager
 * Saziley National Park
 * Scale-backed Antbird
 * Scale-feathered malkoha
 * Scale-throated Hermit
 * Scaled Antbird
 * Scaled Chachalaca
 * Scaled ground cuckoo
 * Scaled quail
 * Scaled Spinetail
 * Scaled Woodcreeper
 * Scallop-breasted Antpitta
 * Scalloped Antbird
 * Scaly-bellied Woodpecker
 * Scaly-breasted Honeyeater
 * Scaly-breasted Kingfisher
 * Scaly-breasted Lorikeet
 * Scaly-breasted munia
 * Scaly-breasted Thrasher
 * Scaly-breasted Wren
 * Scaly-breasted Wren-babbler
 * Scaly-crowned Honeyeater
 * Scaly-feathered Weaver
 * Scaly-headed Parrot
 * Scaly-naped Pigeon
 * Scaly-throated Leaftosser
 * Scaly Francolin
 * Scaly Ground Roller
 * Scaly Laughingthrush
 * Scaly thrush
 * Scaniornis
 * Scarce Swift
 * Scarlet-backed Flowerpecker
 * Scarlet-banded Barbet
 * Scarlet-breasted Fruit Dove
 * Scarlet-chested Parrot
 * Scarlet-chested Sunbird
 * Scarlet-collared Flowerpecker
 * Scarlet-crowned Barbet
 * Scarlet-faced Liocichla
 * Scarlet-headed Blackbird
 * Scarlet-headed Flowerpecker
 * Scarlet-hooded Barbet
 * Scarlet-rumped Cacique
 * Scarlet-rumped Trogon
 * Scarlet-throated Tanager
 * Scarlet-tufted Sunbird
 * Scarlet Finch
 * Scarlet ibis
 * Scarlet Macaw
 * Scarlet Minivet
 * Scarlet Myzomela
 * Scarlet robin
 * Scarlet Tanager
 * Scarlett's Duck
 * Scarlett's shearwater
 * Scenic Rim
 * Schaalsee Biosphere Reserve
 * Schlegel's Asity
 * Schlegel's Francolin
 * Schneider's Pitta
 * Schodde's Bird of Paradise
 * Schouteden's Swift
 * Scimitar-winged Piha
 * Scintillant Hummingbird
 * Scissor-billed Koa Finch
 * Scissor-tailed Flycatcher
 * Scissor-tailed kite
 * Scissor-tailed Nightjar
 * Sclater's Monal
 * Sclater's Myzomela
 * Scotia Sanctuary
 * Scott's Oriole
 * Scott Barchard Wilson
 * Scott Inlet
 * Scottish Crossbill
 * Scottish Ornithologists' Club
 * Screaming Piha
 * Scripps's murrelet
 * Scrub Island, Anguilla
 * Scrubbird
 * Scrubtit
 * Sea Cow Island
 * Sea Duck Joint Venture
 * Sea Lion Island
 * Seabird Colony Register
 * Seagull Island (Tiwi Islands)
 * Seagull Lake
 * Seal Bay, Falkland Islands
 * Seal Islands (South Shetland Islands)
 * Seaside Sparrow
 * Seattle Audubon Society
 * Secretarybird
 * Sedge Warbler
 * Sedge Wren
 * See-see Partridge
 * Seicercus
 * Seller's Wood
 * Selva Cacique
 * Semicollared Flycatcher
 * Semipalmated plover
 * Semipalmated sandpiper
 * Semper's Warbler
 * Semuliki National Park
 * Senegal Batis
 * Senegal coucal
 * Senegal Eremomela
 * Senegal Parrot
 * Senegal Thick-knee
 * Seney National Wildlife Refuge
 * Sennar Penduline Tit
 * Sepia-brown Wren
 * Seram Friarbird
 * Seram Golden Bulbul
 * Seram Honeyeater
 * Seram Imperial Pigeon
 * Seram Masked Owl
 * Seram Mountain Pigeon
 * Seram thrush
 * Seram white-eye
 * Serama
 * Serendib scops owl
 * Seriema
 * Serra Antwren
 * Serra do Mar Tyrannulet
 * Serra do Mar Tyrant-Manakin
 * Serra do Pico da Antónia Important Bird Area
 * Serra Finch
 * Serranía de las Quinchas
 * Sespe Condor Sanctuary
 * Seven-coloured Tanager
 * Seychelles Black Parrot
 * Seychelles blue pigeon
 * Seychelles Bulbul
 * Seychelles Fody
 * Seychelles Kestrel
 * Seychelles Magpie-Robin
 * Seychelles Paradise Flycatcher
 * Seychelles Parakeet
 * Seychelles scops owl
 * Seychelles Sunbird
 * Seychelles Swiftlet
 * Seychelles Warbler
 * Seychelles White-eye
 * Seymour Island (Nunavut)
 * Shaft-tailed Whydah
 * Shag Reef
 * Shaheen Falcon
 * Shallow Inlet
 * Shane A. Parker
 * Shanks Islands
 * Shanweiniao
 * Shapwick Heath
 * Shapwick Moor
 * Shapwick, Somerset
 * Sharp-beaked Ground Finch
 * Sharp-billed Canastero
 * Sharp-shinned hawk
 * Sharp-tailed grouse
 * Sharp-tailed sandpiper
 * Sharpbill
 * Sharpe's Lobe-billed Parotia
 * Sharpe's Longclaw
 * Sharpe's Rail
 * Sharpham
 * Sharpham Moor Plot
 * Shellback Island
 * Shelley's Crimsonwing
 * Shelley's Eagle-Owl
 * Shelley's francolin
 * Shelley's Oliveback
 * Shelley's Sparrow
 * Shenqiornis
 * Shepody Bay
 * Shetland Goose
 * Shiant Isles
 * Shikra
 * Shining-blue Kingfisher
 * Shining bronze cuckoo
 * Shining drongo
 * Shining Honeycreeper
 * Shining parrot
 * Shiny Cowbird
 * Shiny Whistling Thrush
 * Shoal Bay (Darwin)
 * Shoalwater Bay
 * Shoebill
 * Shore Dotterel
 * Short-bearded Melidectes
 * Short-billed dowitcher
 * Short-billed Miner
 * Short-billed Pigeon
 * Short-billed Pipit
 * Short-crested Coquette
 * Short-crested Monarch
 * Short-eared Owl
 * Short-legged Ground Roller
 * Short-tailed Emerald
 * Short-tailed Frogmouth
 * Short-tailed Grasswren
 * Short-tailed hawk
 * Short-tailed Paradigalla
 * Short-tailed Parrot
 * Short-tailed Parrotbill
 * Short-tailed Pipit
 * Short-tailed Pygmy Tyrant
 * Short-tailed Scimitar Babbler
 * Short-tailed shearwater
 * Short-tailed Swift
 * Short-toed snake eagle
 * Short-toed Treecreeper
 * Short-winged Cisticola
 * Shovel-billed Kookaburra
 * Shrike-like Laniisoma
 * Shrike-like Tanager
 * Shy albatross
 * Shy Heathwren
 * Siamese Fireback
 * Siau scops owl
 * Siberian Accentor
 * Siberian Blue Robin
 * Siberian Jay
 * Siberian Rubythroat
 * Siberian Stonechat
 * Siberian thrush
 * Sibsey Island
 * Sichuan Jay
 * Sichuan Treecreeper
 * Sick's Swift
 * Sickle-billed Vanga
 * Sickle-winged Chat
 * Sickle-winged Guan
 * Sidamo Lark
 * Sidmouth Rock
 * Sidney Dillon Ripley
 * Sidney William Jackson
 * Sierra Madre Ground Warbler
 * Sierra Nevada Brush Finch
 * Signy Island
 * Sikkim Treecreeper
 * Sikkim wedge-billed babbler
 * Silhouette Island
 * Silktail
 * Sillem's Mountain Finch
 * Silver-backed Butcherbird
 * Silver-backed Needletail
 * Silver-beaked Tanager
 * Silver-breasted Broadbill
 * Silver-capped Fruit Dove
 * Silver-crowned Friarbird
 * Silver-eared Honeyeater
 * Silver-eared Laughingthrush
 * Silver-eared Mesia
 * Silver-throated Bushtit
 * Silver-throated Tanager
 * Silver-tipped Imperial Pigeon
 * Silver Appleyard Duck
 * Silver Gull
 * Silver Oriole
 * Silver Pheasant
 * Silverbird (bird)
 * Silvereye
 * Silvery-breasted Tanager
 * Silvery-cheeked Antshrike
 * Silvery-cheeked Hornbill
 * Silvery-throated Spinetail
 * Silvery Kingfisher
 * Silvester Diggles
 * Simeulue scops owl
 * Simple Greenbul
 * Simpson Desert Important Bird Area
 * Sinaloa crow
 * Sinaloa Martin
 * Sinaloa Wren
 * Sincorá Antwren
 * Sind Sparrow
 * Sind Woodpecker
 * Singing Bush Lark
 * Singing Cisticola
 * Singing Honeyeater
 * Singing Starling
 * Sinharaja Forest Reserve
 * Sinornis
 * Sinoto's Lorikeet
 * Sir Hugh Elliott, 3rd Baronet
 * Sir Joseph Banks Group
 * Sir William Jardine, 7th Baronet
 * Sira Barbet
 * Sira Curassow
 * Sira Tanager
 * Sirkeer malkoha
 * Sisters Island (Queensland)
 * Sjöstedt's Barred Owlet
 * Sjöstedt's Greenbul
 * Skagen Odde
 * Skilling Island
 * Skorpa Bird Sanctuary
 * Skúvoy
 * Slate-colored Boubou
 * Slate-colored Fox Sparrow
 * Slate-coloured Hawk
 * Slate-coloured solitaire
 * Slate-throated Whitestart
 * Slaty-backed Chat-Tyrant
 * Slaty-backed Flycatcher
 * Slaty-backed Forktail
 * Slaty-backed Hemispingus
 * Slaty-backed Jungle Flycatcher
 * Slaty-backed nightingale-thrush
 * Slaty-backed Thornbill
 * Slaty-backed thrush
 * Slaty-bellied Tesia
 * Slaty-blue Flycatcher
 * Slaty-breasted Rail
 * Slaty-capped Shrike-Vireo
 * Slaty-headed Parakeet
 * Slaty-legged Crake
 * Slaty-mantled Goshawk
 * Slaty-tailed Trogon
 * Slaty Bunting
 * Slaty Cuckooshrike
 * Slaty egret
 * Slaty Monarch
 * Sleeping Bear Dunes National Lakeshore
 * Slender-billed Babbler
 * Slender-billed Cuckoo-Dove
 * Slender-billed curlew
 * Slender-billed Flufftail
 * Slender-billed Grackle
 * Slender-billed Gull
 * Slender-billed Kite
 * Slender-billed Oriole
 * Slender-billed Parakeet
 * Slender-billed Prion
 * Slender-billed Thornbill
 * Slender-billed Vulture
 * Slender-billed Weaver
 * Slender-footed Tyrannulet
 * Slender-tailed Nightjar
 * Slender Antbird
 * Small-billed Moa-nalo
 * Small Ground Finch
 * Small Lifou white-eye
 * Small Minivet
 * Small Niltava
 * Small Pratincole
 * Small Tree Finch
 * Smew
 * Smith's Longspur
 * Smithsonian Migratory Bird Center
 * Smoky Robin
 * Smoky Warbler
 * Smooth-billed ani
 * Snail kite
 * Snares Penguin
 * Snares Snipe
 * Snettisham RSPB reserve
 * Snipe-rail
 * Snoring rail
 * Snow bunting
 * Snow goose
 * Snow Hill Island
 * Snow Mountains Quail
 * Snow Mountains Robin
 * Snow Partridge
 * Snow petrel
 * Snow pigeon
 * Snowcap
 * Snowy-bellied Hummingbird
 * Snowy-browed Flycatcher
 * Snowy-cheeked Laughingthrush
 * Snowy-crowned Robin-Chat
 * Snowy-throated babbler
 * Snowy egret
 * Snowy owl
 * Snowy plover
 * Snowy Sheathbill
 * Sociable Lapwing
 * Society for the Conservation and Study of Caribbean Birds
 * Society Kingfisher
 * Society Parakeet
 * Socorro Dove
 * Socorro Mockingbird
 * Socorro Parakeet
 * Socorro Wren
 * Socotra Bunting
 * Socotra Buzzard
 * Socotra Cisticola
 * Socotra Cormorant
 * Socotra Golden-winged Grosbeak
 * Socotra Sparrow
 * Socotra Starling
 * Socotra Sunbird
 * Socotra Warbler
 * Sogam-do, Daegam-do, Zung-do, Ae-do and Hyengzedo Islands Important Bird Area
 * Sokoke Pipit
 * Solander Islands
 * Solitary sandpiper
 * Solitary snipe
 * Solling-Vogler Nature Park
 * Solomons boobook
 * Solomons Cuckooshrike
 * Solomons Frogmouth
 * Solomons white-eye
 * Solomons White Ibis
 * Somali Boubou
 * Somali Crombec
 * Somali crow
 * Somali Fiscal
 * Somali Lark
 * Somali pigeon
 * Somali Sparrow
 * Somali thrush
 * Sombre Greenbul
 * Sombre Kingfisher
 * Sombre Nightjar
 * Sombre pigeon
 * Sombre Tit
 * Sombrero, Anguilla
 * Somerset Levels
 * Somerton
 * Song Parrot
 * Song Sparrow
 * Song thrush
 * Songar Tit
 * Sooretama Slaty Antshrike
 * Sooty-capped Bush Tanager
 * Sooty-capped Hermit
 * Sooty-capped Puffbird
 * Sooty Ant Tanager
 * Sooty babbler
 * Sooty Barbthroat
 * Sooty Bushtit
 * Sooty Chat
 * Sooty Falcon
 * Sooty Flycatcher
 * Sooty grouse
 * Sooty Gull
 * Sooty Myzomela
 * Sooty Oystercatcher
 * Sooty shearwater
 * Sooty tern
 * Sooty thrush
 * Sooty Woodpecker
 * Sør-Spitsbergen National Park
 * Sora (bird)
 * Søraust-Svalbard Nature Reserve
 * Sørkapp Bird Sanctuary
 * Souimanga Sunbird
 * South-east Tasmania Important Bird Area
 * South-west Saint Helena Important Bird Area
 * South African Shelduck
 * South American Painted-snipe
 * South American snipe
 * South American Tern
 * South Arm Important Bird Area
 * South Australian Ornithological Association
 * South Australian Ornithologist
 * South Barnard Islands Important Bird Area
 * South Brother (Chagos Bank)
 * South Channel Fort
 * South East Forests National Park
 * South East Island
 * South East Mutton Bird Islet
 * South Georgia and the South Sandwich Islands
 * South Georgia Diving Petrel
 * South Georgia Pintail
 * South Georgia Pipit
 * South Georgia Shag
 * South Island giant moa
 * South Island Oystercatcher
 * South Island piopio
 * South Island snipe
 * South Polar skua
 * South Soufriere Hills
 * South Stack Cliffs RSPB reserve
 * South Uist
 * South West Mutton Bird Islet
 * South West Slopes
 * Southeastern Arizona Bird Observatory
 * Southern Antpipit
 * Southern Beardless Tyrannulet
 * Southern Black Flycatcher
 * Southern Black Korhaan
 * Southern Boobook
 * Southern Boubou
 * Southern Carmine Bee-eater
 * Southern crested caracara
 * Southern Crowned Pigeon
 * Southern Double-collared Sunbird
 * Southern Emu-wren
 * Southern Fiscal
 * Southern Fulmar
 * Southern Giant Petrel
 * Southern Grey-headed Sparrow
 * Southern Grey Shrike
 * Southern Ground Hornbill
 * Southern Hemisphere Ornithological Congress
 * Southern Hill Myna
 * Southern Hyliota
 * Southern James Bay
 * Southern Lapwing
 * Southern Masked Weaver
 * Southern Moreton Bay Islands National Park
 * Southern Nightingale-Wren
 * Southern NSW Mallee Important Bird Area
 * Southern Oceans Seabird Study Association
 * Southern Powell Island and adjacent islets Specially Protected Area
 * Southern Red Bishop
 * Southern Rockhopper Penguin
 * Southern Rough-winged Swallow
 * Southern Royal Albatross
 * Southern Scrub Robin
 * Southern South American Migratory Grassland Bird Species Memorandum of Understanding
 * Southern Tchagra
 * Southern White-crowned Shrike
 * Southern white-faced owl
 * Southern Whiteface
 * Southern Yellow-billed Hornbill
 * Southern Yorke Peninsula Important Bird Area
 * Southlake Moor
 * Southwest Bylot Plain
 * Souza's Shrike
 * Sowy River
 * Spangled Coquette
 * Spangled Cotinga
 * Spangled drongo
 * Spangled Honeyeater
 * Spangled Kookaburra
 * Spanish imperial eagle
 * Spanish Sparrow
 * Sparkling Violetear
 * Sparrowhawk Hill
 * Speckle-breasted Woodpecker
 * Speckle-chested Piculet
 * Speckle-faced Parrot
 * Speckle-fronted Weaver
 * Speckled Boobook
 * Speckled Chachalaca
 * Speckled Hummingbird
 * Speckled Mousebird
 * Speckled Piculet
 * Speckled pigeon
 * Speckled Tinkerbird
 * Speckled Warbler
 * Speckled wood pigeon
 * Spectacled Bulbul
 * Spectacled Cormorant
 * Spectacled Finch
 * Spectacled Flowerpecker
 * Spectacled Imperial Pigeon
 * Spectacled Owl
 * Spectacled Parrotbill
 * Spectacled petrel
 * Spectacled thrush
 * Spectacled Warbler
 * Spectacled Weaver
 * Speedwell Island
 * Spencer Fullerton Baird
 * Spencer Gulf Important Bird Area
 * Spences Reefs
 * Spice Imperial Pigeon
 * Spindalis
 * Spinifex Pigeon
 * Spinifexbird
 * Spiny-cheeked Honeyeater
 * Spiny Babbler
 * Spit Nature Conservation Reserve
 * Spix's macaw
 * Spix's Warbling Antbird
 * Spix's Woodcreeper
 * Splendid Astrapia
 * Splendid fairywren
 * Splendid Starling
 * Splendid Sunbird
 * Spoon-billed sandpiper
 * Spot-backed Antbird
 * Spot-backed Puffbird
 * Spot-bellied Bobwhite
 * Spot-bellied Eagle-Owl
 * Spot-billed duck
 * Spot-billed pelican
 * Spot-billed Toucanet
 * Spot-breasted heleia
 * Spot-breasted Ibis
 * Spot-breasted Lapwing
 * Spot-breasted Laughingthrush
 * Spot-breasted Oriole
 * Spot-breasted Parrotbill
 * Spot-breasted Scimitar Babbler
 * Spot-breasted Woodpecker
 * Spot-crowned Euphonia
 * Spot-crowned Woodcreeper
 * Spot-flanked Gallinule
 * Spot-necked Bulbul
 * Spot-tailed Sparrowhawk
 * Spot-throated Babbler
 * Spot-throated Flameback
 * Spot-throated Hummingbird
 * Spot-winged Antbird
 * Spot-winged Falconet
 * Spot-winged Grosbeak
 * Spot-winged Rosefinch
 * Spot-winged Starling
 * Spot-winged thrush
 * Spotless Crake
 * Spotted Antbird
 * Spotted Bowerbird
 * Spotted Bush Warbler
 * Spotted Buttonquail
 * Spotted Catbird
 * Spotted Crake
 * Spotted Crocias
 * Spotted Dove
 * Spotted Flycatcher
 * Spotted Forktail
 * Spotted Greenbul
 * Spotted ground thrush
 * Spotted Harrier
 * Spotted Honeyguide
 * Spotted Imperial Pigeon
 * Spotted Laughingthrush
 * Spotted nightingale-thrush
 * Spotted Nightjar
 * Spotted Nutcracker
 * Spotted owl
 * Spotted Owlet
 * Spotted Pardalote
 * Spotted Piculet
 * Spotted Quail-thrush
 * Spotted redshank
 * Spotted sandgrouse
 * Spotted sandpiper
 * Spotted shag
 * Spotted Thick-knee
 * Spotted Thrush-Babbler
 * Spotted Tody-Flycatcher
 * Spotted Towhee
 * Spotted Wood Kingfisher
 * Spotted Wren
 * Spotted Wren-Babbler
 * Sprague's Pipit
 * Spring Bay, Ontario
 * Springbrook National Park
 * Spur-winged Goose
 * Spur-winged Lapwing
 * Spurn
 * Squacco heron
 * Squamate Antbird
 * Square-tailed drongo
 * Square-tailed drongo-cuckoo
 * Square-tailed Kite
 * Square-tailed Nightjar
 * Square-tailed Saw-wing
 * Squatter Pigeon
 * Squirrel cuckoo
 * Sri Lanka Blue Magpie
 * Sri Lanka Bush Warbler
 * Sri Lanka drongo
 * Sri Lanka Frogmouth
 * Sri Lanka Grey Hornbill
 * Sri Lanka Hanging Parrot
 * Sri Lanka Hill Myna
 * Sri Lanka Junglefowl
 * Sri Lanka Scimitar Babbler
 * Sri Lanka Spurfowl
 * Sri Lanka thrush
 * Sri Lanka whistling thrush
 * Sri Lanka White-eye
 * Sri Lanka wood pigeon
 * St Aidan's
 * St Arnaud Box-Ironbark Region
 * St Francis Island
 * St Helena Island National Park
 * St Helens Important Bird Area
 * St Helens Island
 * St John Philby
 * St Kilda, Scotland
 * St Peter Island
 * St. Joseph River (Lake Michigan)
 * Staaten River National Park
 * Stack Island
 * Stamford Raffles
 * Standard-winged Nightjar
 * Standardwing
 * Stanley Cobb
 * Stanley Cramp
 * Stanley Temple
 * Stapleton Island
 * Star-throated Antwren
 * Star Finch
 * Starry Owlet-nightjar
 * Stawell, Somerset
 * Steel-blue Whydah
 * Steely-vented Hummingbird
 * Steep Island
 * Steere's Liocichla
 * Steinbach's Canastero
 * Stejneger's Stonechat
 * Steller's Jay
 * Steller's sea eagle
 * Stephen Davies (ornithologist)
 * Stephen Marchant
 * Stephen Moss
 * Stephens Island (Great Barrier Reef)
 * Stephens Island wren
 * Steppe Eagle
 * Steve Gantlett
 * Stierling's Wren-Warbler
 * Stigant Point
 * Stiles's Tapaculo
 * Stilt-owl
 * Stilt sandpiper
 * Stinker Point
 * Stirling Range
 * Stirling Range National Park
 * Stitchbird
 * Stock dove
 * Stockland Bristol
 * Stoke St Gregory
 * Stoltenhoff Island
 * Stone Partridge
 * Stonington Island
 * Stóra Dímun
 * Storehouse Island
 * Stork-billed Kingfisher
 * Storm's Stork
 * Storrs L. Olson
 * Stour Estuary RSPB reserve
 * Stout-legged Finch
 * Stout-legged wren
 * Stout Cisticola
 * Straight-billed Hermit
 * Straight-billed Reedhaunter
 * Straight-billed Woodcreeper
 * Strait of Gibraltar
 * Straneck's Tyrannulet
 * Strange-tailed Tyrant
 * Strange Weaver
 * Strangford Lough
 * Straw-necked Ibis
 * Straw-tailed Whydah
 * Streak-backed Oriole
 * Streak-breasted Bulbul
 * Streak-breasted Fantail
 * Streak-breasted Honeyeater
 * Streak-breasted Jungle Flycatcher
 * Streak-breasted Scimitar Babbler
 * Streak-breasted Woodpecker
 * Streak-capped Spinetail
 * Streak-headed Antbird
 * Streak-headed mannikin
 * Streak-headed white-eye
 * Streak-throated Barwing
 * Streak-throated Hermit
 * Streak-throated swallow
 * Streak-throated Woodpecker
 * Streaked Bowerbird
 * Streaked Fantail
 * Streaked Flycatcher
 * Streaked Laughingthrush
 * Streaked Rosefinch
 * Streaked Scrub Warbler
 * Streaked shearwater
 * Streaked Spiderhunter
 * Streaked Tuftedcheek
 * Streaked Weaver
 * Streaked Wren-Babbler
 * Streaky-breasted Flufftail
 * Streaky-headed Seedeater
 * Street Heath
 * Stresemann's Bird of Paradise
 * Stresemann's Bristlefront
 * Streymoy
 * Striated Antbird
 * Striated Babbler
 * Striated Bulbul
 * Striated Caracara
 * Striated Earthcreeper
 * Striated Fieldwren
 * Striated Grassbird
 * Striated Grasswren
 * Striated heron
 * Striated Laughingthrush
 * Striated Lorikeet
 * Striated Pardalote
 * Striated Prinia
 * Striated Softtail
 * Striated Starling
 * Striated Swallow
 * Striated Thornbill
 * Striated Wren-Babbler
 * Striated yuhina
 * Strickland's Woodpecker
 * Striolated Bunting
 * Striolated Puffbird
 * Striolated Tit-Spinetail
 * Stripe-backed Wren
 * Stripe-breasted Rhabdornis
 * Stripe-breasted Starthroat
 * Stripe-breasted Tit
 * Stripe-breasted Woodpecker
 * Stripe-capped Sparrow
 * Stripe-cheeked Woodpecker
 * Stripe-faced Wood Quail
 * Stripe-headed Rhabdornis
 * Stripe-headed Sparrow
 * Stripe-tailed Hummingbird
 * Stripe-tailed Yellow Finch
 * Stripe-throated Hermit
 * Stripe-throated jery
 * Stripe-throated yuhina
 * Striped Crake
 * Striped cuckoo
 * Striped Flowerpecker
 * Striped honeyeater
 * Striped Kingfisher
 * Striped Laughingthrush
 * Striped owl
 * Striped Pipit
 * Striped Sparrow
 * Striped Woodpecker
 * Strong-billed Honeyeater
 * Strumpshaw Fen RSPB reserve
 * Struthio coppensi
 * Struthio dmanisensis
 * Struthio linxiaensis
 * Struthio orlovi
 * Struthio wimani
 * Strzelecki Desert Lakes Important Bird Area
 * Stuart Keith
 * Stubble Quail
 * Stuhlmann's Starling
 * Styan's Bulbul
 * Subalpine Warbler
 * Subantarctic snipe
 * Suchindram Theroor Birds Sanctuary
 * Sudan Golden Sparrow
 * Sudbury Reef
 * Süderoog
 * Suðuroy
 * Sugarbird
 * Sugarloaf Rock (Mutton Bird Group)
 * Sugarmouse Island
 * Suiriri Flycatcher
 * Sula Cicadabird
 * Sula Hanging Parrot
 * Sula Pitta
 * Sula scops owl
 * Sula Sgeir
 * Sulawesi Babbler
 * Sulawesi Blue Flycatcher
 * Sulawesi Cicadabird
 * Sulawesi cuckoo
 * Sulawesi drongo
 * Sulawesi Dwarf Kingfisher
 * Sulawesi Goshawk
 * Sulawesi Ground Dove
 * Sulawesi Hawk-Eagle
 * Sulawesi Hornbill
 * Sulawesi Masked Owl
 * Sulawesi mountain-thrush
 * Sulawesi Myna
 * Sulawesi Myzomela
 * Sulawesi Nightjar
 * Sulawesi Pygmy Woodpecker
 * Sulawesi serpent eagle
 * Sulawesi thrush
 * Sulawesi woodcock
 * Sule Skerry
 * Sule Stack
 * Sulphur-bellied Bulbul
 * Sulphur-bellied Flycatcher
 * Sulphur-bellied Warbler
 * Sulphur-billed Nuthatch
 * Sulphur-breasted Myzomela
 * Sulphur-breasted Parakeet
 * Sulphur-crested Cockatoo
 * Sulphur-vented Whistler
 * Sulphur-winged Parakeet
 * Sulphury Flycatcher
 * Sultan Tit
 * Sultanpur National Park
 * Sulu bleeding-heart
 * Sulu Hawk-Owl
 * Sulu Hornbill
 * Sulu Pygmy Woodpecker
 * Sumatran Babbler
 * Sumatran cochoa
 * Sumatran drongo
 * Sumatran Green Pigeon
 * Sumatran ground cuckoo
 * Sumatran laughingthrush
 * Sumatran Leafbird
 * Sumatran Treepie
 * Sumatran Trogon
 * Sumatran Wren-Babbler
 * Sumba Boobook
 * Sumba Brown Flycatcher
 * Sumba Buttonquail
 * Sumba Flycatcher
 * Sumba Green Pigeon
 * Sumba Hornbill
 * Sumba Myzomela
 * Sumburgh Head
 * Sumichrast's Wren
 * Summer Leys
 * Summer Tanager
 * Sun Lark
 * Sun Parakeet
 * Sunbird
 * Sunbittern
 * Suncoast Seabird Sanctuary
 * Sunda Bulbul
 * Sunda coucal
 * Sunda cuckoo
 * Sunda Forktail
 * Sunda Minivet
 * Sunda Robin
 * Sunda Teal
 * Sunda thrush
 * Sunday Island (Exmouth Gulf)
 * Sungai Clere Important Bird Area
 * Sungei Buloh Wetland Reserve
 * Sungrebe
 * Sunset Lorikeet
 * Superb Bird-of-paradise
 * Superb fairywren
 * Superb Fruit Dove
 * Superb Lyrebird
 * Superb Parrot
 * Superb Pitta
 * Superb Starling
 * Surf scoter
 * Surfbird
 * Surlingham Church Marsh RSPB reserve
 * Surucua Trogon
 * Sussex Ornithological Society
 * Svínoy
 * Swahili Sparrow
 * Swain Reefs National Park
 * Swainson's hawk
 * Swainson's Sparrow
 * Swainson's thrush
 * Swainson's Warbler
 * Swainson Island
 * Swallow-tailed Bee-eater
 * Swallow-tailed cotinga
 * Swallow-tailed gull
 * Swallow-tailed Hummingbird
 * Swallow-tailed kite
 * Swallow-winged Puffbird
 * Swallow Tanager
 * Swamp Boubou
 * Swamp Flycatcher
 * Swamp Francolin
 * Swamp harrier
 * Swamp Nightjar
 * Swamp palm bulbul
 * Swamp Prinia
 * Swan Bay
 * Swan Bay and Port Phillip Bay Islands Important Bird Area
 * Swan Goose
 * Swan Island (Tasmania)
 * Swan Island (Victoria)
 * Swan Island, County Antrim
 * Swan River Honeyeater
 * Swee Waxbill
 * Swift Parrot
 * Swinhoe's Pheasant
 * Swinhoe's Rail
 * Swinhoe's snipe
 * Swinhoe's Storm Petrel
 * Switha
 * Sword-billed Hummingbird
 * Sykes's Lark
 * Sykes's Nightjar
 * Sykes's Warbler
 * Sylviornis
 * Syrian Woodpecker
 * Szechenyi's Monal-Partridge
 * T. J. Roberts
 * Ta'Cenc Cliffs Important Bird Area
 * Tabusintac Lagoon and River Estuary
 * Tacarcuna Bush Tanager
 * Tacazze Sunbird
 * Táchira Emerald
 * Taedong River estuary Important Bird Area
 * Tagula Butcherbird
 * Tagula Honeyeater
 * Tagula White-eye
 * Tahiti Crake
 * Tahiti Monarch
 * Tahiti Rail
 * Tahiti Sandpiper
 * Tahiti Swiftlet
 * Tahuata Rail
 * Taiga Flycatcher
 * Taita Apalis
 * Taita Fiscal
 * Taita thrush
 * Taiwan Barwing
 * Taiwan Blue Magpie
 * Taiwan Bush Warbler
 * Taiwan fulvetta
 * Taiwan Hwamei
 * Taiwan Partridge
 * Taiwan Scimitar Babbler
 * Taiwan Thrush
 * Taiwan Whistling Thrush
 * Taiwan Wren-babbler
 * Taiwan yuhina
 * Takahē
 * Tal Chhapar Sanctuary
 * Talaud Bush-hen
 * Talaud Kingfisher
 * Talaud Rail
 * Taliabu Masked Owl
 * Tam O'Shanter Point
 * Tamar–Tavy Estuary
 * Tamar River Conservation Area
 * Tamar Wetlands Important Bird Area
 * Tamaulipas crow
 * Tamaulipas pygmy owl
 * Tamborine Mountain
 * Tambourine Dove
 * Tanah Jampea
 * Tanimbar Corella
 * Tanimbar Megapode
 * Tanimbar Oriole
 * Tanimbar Starling
 * Tanjung Tuan
 * Tanna Fruit Dove
 * Tanna Ground Dove
 * Tapaculo
 * Tapajós Hermit
 * Tarcutta Hills Reserve
 * Tarrabool Lake
 * Tarrabool Lake – Eva Downs Swamp System
 * Tartar Island
 * Tasitolu
 * Tasman Booby
 * Tasman Island
 * Tasman National Park
 * Tasman Peninsula
 * Tasman Starling
 * Tasmanian Masked Owl
 * Tasmanian Nativehen
 * Tasmanian Scrubwren
 * Tasmanian Thornbill
 * Tasmanian Wedge-tailed Eagle
 * Tatamailau
 * Tawas Point State Park
 * Tawitawi Brown Dove
 * Tawny-backed Fantail
 * Tawny-bellied Babbler
 * Tawny-bellied Hermit
 * Tawny-breasted Parrotfinch
 * Tawny-breasted Wren-Babbler
 * Tawny-crowned Honeyeater
 * Tawny-flanked Prinia
 * Tawny-winged Woodcreeper
 * Tawny Eagle
 * Tawny Fish Owl
 * Tawny Frogmouth
 * Tawny owl
 * Tawny Piculet
 * Tawny Pipit
 * Tealham and Tadham Moors
 * Teardrop white-eye
 * Telineelapuram and Telukunchi Bird Sanctuaries
 * Temminck's Courser
 * Temminck's Lark
 * Temminck's stint
 * Temminck's Sunbird
 * Temminck's Tragopan
 * Tenerife Goldcrest
 * Tennessee Ornithological Society
 * Tepui Foliage-gleaner
 * Teratornis
 * Terek sandpiper
 * Tessmann's Flycatcher
 * Teviornis
 * Thambetochen
 * Thane Creek
 * Thattekad Bird Sanctuary
 * Thayer's gull
 * The Birds of America
 * The Bluff (Cayman Islands)
 * The Coffee Pot (Tasmania)
 * The Finch Society of Australia
 * The Hummingbird Society
 * The Institute for Bird Populations
 * The Lakes Important Bird Area
 * The Lodge RSPB reserve
 * The Oa
 * The Pyramid
 * The Raptor Trust
 * The Sisters (New Zealand)
 * The Skerries, Isle of Anglesey
 * The State of Australia's Birds
 * The Swale
 * The Thumbs (Tasmania)
 * The Wash
 * Thekla Lark
 * Theodore A. Parker III
 * Thick-billed cuckoo
 * Thick-billed Flowerpecker
 * Thick-billed Grasswren
 * Thick-billed Green Pigeon
 * Thick-billed Ground Dove
 * Thick-billed heleia
 * Thick-billed Honeyguide
 * Thick-billed Kingbird
 * Thick-billed Lark
 * Thick-billed Miner
 * Thick-billed murre
 * Thick-billed Parrot
 * Thick-billed raven
 * Thick-billed Seedeater
 * Thick-billed Vireo
 * Thick-billed Warbler
 * Thick-billed Weaver
 * Thol Lake
 * Thomas Algernon Smith-Dorrien-Smith
 * Thomas Barwick Lloyd Baker
 * Thomas Bellerby Wilson
 * Thomas Bewick
 * Thomas C. Jerdon
 * Thomas Campbell Eyton
 * Thomas Coward
 * Thomas Davies (British Army officer)
 * Thomas Gilbert Pearson
 * Thomas Horsfield
 * Thomas Jeffery Parker
 * Thomas Mayo Brewer
 * Thomas Nuttall
 * Thomas Pennant
 * Thomas Powys, 4th Baron Lilford
 * Thomas Richard Heywood Thomson
 * Three-banded Plover
 * Three-toed Jacamar
 * Three-toed Parrotbill
 * Three-wattled Bellbird
 * Three Hummock Island
 * Three Hummocks Islands
 * Three Sisters Important Bird Area
 * Thrush-like Mourner
 * Thrush-like Wren
 * Thrush Nightingale
 * Thure Kumlien
 * Thyolo alethe
 * Tibetan Babax
 * Tibetan blackbird
 * Tibetan Bunting
 * Tibetan Lark
 * Tibetan Partridge
 * Tibetan sandgrouse
 * Tibetan Serin
 * Tibetan Snowcock
 * Tibetan Snowfinch
 * Tickell's Blue Flycatcher
 * Tickell's Brown Hornbill
 * Tickell's Leaf Warbler
 * Tickell's thrush
 * Tiger Shrike
 * Tigrovaya Balka Nature Reserve
 * Tilomar Important Bird Area
 * Tim Gallagher
 * Timneh Parrot
 * Timor Blue Flycatcher
 * Timor Bush Warbler
 * Timor Friarbird
 * Timor Green Pigeon
 * Timor Imperial Pigeon
 * Timor Leaf Warbler
 * Timor sparrow
 * Timor Stubtail
 * Tin Kettle Island
 * Tinaminae
 * Tiny Hawk
 * Tiny Sunbird
 * Tit-like Dacnis
 * Tit Berrypecker
 * Tit Hylia
 * Titanis
 * Titanohierax
 * Titchwell Marsh
 * Titi / Muttonbird Islands
 * Titian Peale
 * Titicaca Grebe
 * Tiwai Point
 * Tiwi Islands
 * Toco Toucan
 * Tocuyo Sparrow
 * Todd's Nightjar
 * Tody
 * Together for Trees
 * Togian Boobook
 * Togian white-eye
 * Togo Paradise Whydah
 * Tolima Dove
 * Tom Harrisson
 * Tom Iredale
 * Tommy Garnett
 * Tomtit
 * Tongan Whistler
 * Tongatapu Rail
 * Tony Norris
 * Tony Silva
 * Tony Soper
 * Tooth-billed Bowerbird
 * Tooth-billed Hummingbird
 * Tooth-billed Pigeon
 * Topknot Pigeon
 * Torgersen Island
 * Torotoroka scops owl
 * Torrent Duck
 * Torresian crow
 * Toucan
 * Toucan Barbet
 * Tourville and Murat Bays Important Bird Area
 * Towerrining Lake and Moodiarrup Swamps Important Bird Area
 * Townsend's shearwater
 * Townsend's solitaire
 * Townsend's Warbler
 * Tractrac Chat
 * Tragopan
 * Transvolcanic jay
 * Traprock Important Bird Area
 * Tree Martin
 * Tree Pipit
 * Tree Swallow
 * Trefoil Island
 * Trembler
 * Treshnish Isles
 * Trevor Pescott
 * Tri-State Bird Rescue and Research
 * Trias Greenfinch
 * Tribonyx
 * Tricolored Blackbird
 * Tricolored heron
 * Tricolored Parrotfinch
 * Tricoloured munia
 * Trindade petrel
 * Trinidad Piping Guan
 * Trinity Island
 * Tristan da Cunha
 * Tristram's Bunting
 * Tristram's storm petrel
 * Tristram's Woodpecker
 * Trocaz pigeon
 * Trochilus
 * Tromelin Island
 * Tropeiro Seedeater
 * Tropical boubou
 * Tropical Gnatcatcher
 * Tropical Kingbird
 * Tropical Mockingbird
 * Tropical Parula
 * Tropical Screech Owl
 * Troubridge Island
 * Trumland
 * Trumpet Manucode
 * Trumpeter (bird)
 * Trumpeter Finch
 * Trumpeter Hornbill
 * Trumpeter Islets
 * Tryon Island
 * Tschudi's Tapaculo
 * Tschudi's Woodcreeper
 * Tsingy Wood Rail
 * Tuamotu Kingfisher
 * Tuamotu sandpiper
 * Tubuai Rail
 * Tucson Bird Count
 * Tucumán Amazon
 * Tucumán Mountain Finch
 * Tucuman Pygmy-owl
 * Tufted Coquette
 * Tufted duck
 * Tufted Jay
 * Tufted Puffin
 * Tufted Titmouse
 * Tuggerah Lake
 * Tuggerah Lakes
 * Tui (bird)
 * Tui Parakeet
 * Tullberg's Woodpecker
 * Tully Gorge National Park
 * Tumbes Hummingbird
 * Tumbes Sparrow
 * Tumbes Swallow
 * Tumbes Tyrant
 * Tupana Scythebill
 * Tupinier Islands
 * Turaco
 * Turkey vulture
 * Turnstone
 * Turquoise-browed Motmot
 * Turquoise-throated Puffleg
 * Turquoise Dacnis
 * Turquoise Parrot
 * Turquoise Tanager
 * Turtle-jawed Moa-nalo
 * Turumtaykul
 * Tuxtla Quail-Dove
 * Twelve-wired Bird-of-paradise
 * Twin Islands (Nunavut)
 * Twite
 * Two Peoples Bay and Mount Manypeaks Important Bird Area
 * Two Peoples Bay Nature Reserve
 * Tylas Vanga
 * Tyrian Metaltail
 * Tytler's Leaf Warbler
 * Tyto pollens
 * Tyto robusta
 * Tyuleniy Archipelago (Kazakhstan)
 * Ua Huka Rail
 * Ubin–Khatib Important Bird Area
 * Udayamarthandapuram Bird Sanctuary
 * Udzungwa Forest Partridge
 * Uganda Woodland Warbler
 * Uhehe Fiscal
 * ʻUla-ʻai-Hawane
 * Ulladulla to Merimbula Important Bird Area
 * Ultramarine Flycatcher
 * Ultramarine Grosbeak
 * Ultramarine Lorikeet
 * Uluguru Bushshrike
 * Umbrellabird
 * Umdoni Bird Sanctuary
 * Undulated Antshrike
 * Unicolored Antwren
 * Unicolored Jay
 * Unicolored Tapaculo
 * Unicoloured thrush
 * Uniform Swiftlet
 * Uniform Woodcreeper
 * United States Fish and Wildlife Service list of endangered species of mammals and birds
 * Unmu-do
 * Unryul Kumsanpo
 * Unspotted Saw-whet Owl
 * Unstreaked Tit-Tyrant
 * Upcher's Warbler
 * Upland buzzard
 * Upland Goose
 * Upland Moa
 * Upland Pipit
 * Upland sandpiper
 * Upper Magdalena Tapaculo
 * Ural Owl
 * Uria
 * Urich's Tyrannulet
 * Urkevitz
 * Urosticte
 * Urrao Antpitta
 * Ursula's Sunbird
 * Uruguay Island
 * Usambara Akalat
 * Usambara Eagle-Owl
 * Usambara thrush
 * Usambara Weaver
 * Vaduvoor Bird Sanctuary
 * Vágar
 * Vallée de Mai
 * Valley Wetlands
 * Vampire Finch
 * Van Dam's Vanga
 * Van Hasselt's Sunbird
 * Vanga
 * Vanhankaupunginselkä
 * Vanikoro Flycatcher
 * Vanikoro Monarch
 * Vanikoro white-eye
 * Vansittart Island (Tasmania)
 * Vanuatu Imperial Pigeon
 * Vanuatu Kingfisher
 * Vanuatu Petrel
 * Vanuatu white-eye
 * Vapour Col
 * Varanus Island
 * Variable Antshrike
 * Variable Hawk
 * Variable Oystercatcher
 * Variable Seedeater
 * Variable Sunbird
 * Variable Wheatear
 * Varied Bunting
 * Varied Honeyeater
 * Varied Lorikeet
 * Varied Sittella
 * Varied solitaire
 * Varied thrush
 * Varied Tit
 * Varied Triller
 * Variegated Antpitta
 * Variegated fairywren
 * Variegated Laughingthrush
 * Varzea Mourner
 * Varzea Piculet
 * Varzea Schiffornis
 * Várzea thrush
 * Vasse-Wonnerup Estuary
 * Vaurie's Nightjar
 * Vaux's Swift
 * Vedanthangal Bird Sanctuary
 * Veery
 * Vegaøyan
 * Vegetarian Finch
 * Vella Lavella White-eye
 * Vellode Birds Sanctuary
 * Velvet-browed Brilliant
 * Velvet-fronted Euphonia
 * Velvet-fronted Nuthatch
 * Velvet-mantled drongo
 * Velvet-purple Coronet
 * Velvet Asity
 * Velvet Flycatcher
 * Velvet Scoter
 * Velvety Black Tyrant
 * Venezuelan Bristle Tyrant
 * Venezuelan Flowerpiercer
 * Venezuelan Sylph
 * Venus Bay, South Australia
 * Verdin
 * Verditer Flycatcher
 * Vermiculated Fishing Owl
 * Vermilion Cardinal
 * Vermilion Flycatcher
 * Vernal Hanging Parrot
 * Verreaux's coua
 * Verreaux's Eagle
 * Verreaux's Eagle-Owl
 * Versicolored Monarch
 * Versicoloured Barbet
 * Versicoloured Emerald
 * Vervain Hummingbird
 * Vettangudi Bird Sanctuary
 * Victoria's Riflebird
 * Victoria Butterfly Gardens
 * Victoria Crowned Pigeon
 * Victorian Ornithological Research Group
 * Victorian Wader Study Group
 * Viðoy
 * Vieillot's Barbet
 * Vieillot's Black Weaver
 * Vietnam Partridge
 * Vietnamese Pheasant
 * Vilcabamba Brush Finch
 * Vilcabamba Tapaculo
 * Vilcabamba Thistletail
 * Village indigobird
 * Village Weaver
 * Vinaceous-breasted Amazon
 * Vinaceous Dove
 * Vinaceous Rosefinch
 * Vincent Serventy
 * Vinous-breasted Sparrowhawk
 * Vinous-throated Parrotbill
 * Violaceous coucal
 * Violaceous Euphonia
 * Violaceous Jay
 * Violaceous Trogon
 * Violet-backed Hyliota
 * Violet-backed Starling
 * Violet-bellied Hummingbird
 * Violet-capped Woodnymph
 * Violet-crowned Hummingbird
 * Violet-crowned Woodnymph
 * Violet-eared waxbill
 * Violet-green Swallow
 * Violet-headed Hummingbird
 * Violet-necked Lory
 * Violet-tailed Sunbird
 * Violet-tailed Sylph
 * Violet cuckoo
 * Violet Macaw
 * Violet Sabrewing
 * Violet turaco
 * Virginia's Warbler
 * Virginia rail
 * Visayan Blue Fantail
 * Visayan Broadbill
 * Visayan Bulbul
 * Visayan Miniature Babbler
 * Visayan pygmy babbler
 * Vitelline Masked Weaver
 * Vitelline Warbler
 * Viti Levu Giant Pigeon
 * Viti Levu Rail
 * Viti Levu Scrubfowl
 * Viti Levu Snipe
 * Vivid Niltava
 * Vogelkop Bowerbird
 * Vogelkop Melidectes
 * Vogelkop Scrubwren
 * Vogelkop Whistler
 * Volcano Hummingbird
 * Volcano Junco
 * Volunteer Point
 * Von der Decken's Hornbill
 * Von Schrenck's bittern
 * Vulkathunha-Gammon Ranges National Park
 * Vulturine Parrot
 * W National Park
 * W. Roy Wheeler Medallion
 * Wades Green and Teren Hill Important Bird Area
 * Wadi al-Qarn – Burqush Important Bird Area
 * Wahi Grosbeak
 * Wahlberg's Eagle
 * Wahnes's Parotia
 * Waigeo Brushturkey
 * Waitaha penguin
 * Wake Island Rail
 * Wakolo Myzomela
 * Walebing Important Bird Area
 * Walker Island (Southern Tasmania)
 * Wallabi Group
 * Wallace's Fruit Dove
 * Wallace's Hanging Parrot
 * Wallace's scops owl
 * Wallacean Cuckooshrike
 * Wallacean drongo
 * Wallacean Whistler
 * Wallasea Wetlands
 * Wallcreeper
 * Waller's Starling
 * Wallnau Waterbird Reserve
 * Walmore Common
 * Walter Charleton
 * Walter Edmond Clyde Todd
 * Walter Faxon
 * Walter Freeman Webb
 * Walter Goodfellow
 * Walter Norman Koelz
 * Walter Rothschild, 2nd Baron Rothschild
 * Waltham Abbey SSSI
 * Wandering albatross
 * Wandown Important Bird Area
 * Wangi Wangi white-eye
 * Warbling Vireo
 * Warby-Chiltern Box-Ironbark Region
 * Warby Range State Park
 * Ward's Flycatcher
 * Ward's Trogon
 * Warren Billingsley Hitchcock
 * Warrumbungle National Park
 * Wasgamuwa National Park
 * Water Pipit
 * Water rail
 * Water Thick-knee
 * Waterbird Society
 * Watercock
 * Waterloo State Recreation Area
 * Watervalley Wetlands
 * Watson Peninsula
 * Wattlebird
 * Wattled Broadbill
 * Wattled crane
 * Wattled Curassow
 * Wattled Guan
 * Wattled Honeyeater
 * Wattled Ibis
 * Wattled Jacana
 * Wattled Ploughbill
 * Wattled Smoky Honeyeater
 * Wattled Starling
 * Waved Albatross
 * Waved Woodpecker
 * Waychinicup National Park
 * Weare, Somerset
 * Weddin Mountains National Park
 * Wedge-rumped storm petrel
 * Wedge-tailed Eagle
 * Wedge-tailed Grass Finch
 * Wedge-tailed Green Pigeon
 * Wedge-tailed Hillstar
 * Wedge-tailed jery
 * Wedge-tailed shearwater
 * Wedge Island (South Australia)
 * Weebill
 * Weka
 * Welcome Swallow
 * Wellington Range
 * Wells Cooke
 * Welsh harlequin
 * Welsh Ornithological Society
 * Wembdon
 * Wendar Island
 * Werakata National Park
 * Werribee and Avalon Important Bird Area
 * Werrikimbe National Park
 * West African Batis
 * West African Wattle-eye
 * West Coast National Park
 * West End Pond
 * West Himalayan Bush Warbler
 * West Indian Woodpecker
 * West Island (Lacepede Islands)
 * West Mexican Chachalaca
 * West Midland Bird Club
 * West Moncoeur Island
 * West Moor SSSI
 * West of England Tumbler
 * West of il-Hagra s-Sewda to ix-Xaqqa Cliffs Important Bird Area
 * West of Wied ix-Xaqqa to Wied Maqbyl Cliffs Important Bird Area
 * West Peruvian Dove
 * West Point Island
 * West Pyramid
 * West Sedgemoor
 * West Wallabi Island
 * Western alpine mannikin
 * Western Azores Goldcrest
 * Western banded snake eagle
 * Western Black-headed Batis
 * Western Bluebill
 * Western bluebird
 * Western Bonelli's Warbler
 * Western Bowerbird
 * Western Bristlebird
 * Western bronze-naped pigeon
 * Western Canary Islands Chiffchaff
 * Western Canary Islands Goldcrest
 * Western Capercaillie
 * Western Chat-Tanager
 * Western Corella
 * Western Crowned Pigeon
 * Western Crowned Warbler
 * Western District Lakes
 * Western Fieldwren
 * Western Gerygone
 * Western Grasswren
 * Western grebe
 * Western Greenbul
 * Western Ground Parrot
 * Western Hemisphere Shorebird Reserve Network
 * Western jackdaw
 * Western Kingbird
 * Western Lewin's Rail
 * Western Marsh Harrier
 * Western Meadowlark
 * Western Nicator
 * Western Olivaceous Warbler
 * Western Oriole
 * Western Orphean Warbler
 * Western Parotia
 * Western plantain-eater
 * Western Port
 * Western Quail-thrush
 * Western Rock Nuthatch
 * Western Rosella
 * Western Rufous Bristlebird
 * Western sandpiper
 * Western screech owl
 * Western Scrub Jay
 * Western Silvereye
 * Western Spinebill
 * Western Tanager
 * Western Thornbill
 * Western Tragopan
 * Western Treatment Plant
 * Western Violet-backed Sunbird
 * Western Wattlebird
 * Western Whipbird
 * Western Wood Pewee
 * Western Yellow Robin
 * Western Yellow Wagtail
 * Westhay
 * Westhay Heath
 * Westhay Moor
 * Westland Petrel
 * Westmount Summit
 * Westonzoyland
 * Westonzoyland Pumping Station Museum
 * Westwater Reservoir
 * Wet Moor
 * Wetar Figbird
 * Wetar Ground Dove
 * Whakaari / White Island
 * Whimbrel
 * Whinchat
 * Whiskered Flowerpecker
 * Whiskered Pitta
 * Whiskered Screech Owl
 * Whiskered tern
 * Whiskered yuhina
 * Whistler's Warbler
 * Whistling Cisticola
 * Whistling Fruit Dove
 * Whistling Kite
 * White-backed Black Tit
 * White-backed Mousebird
 * White-backed night heron
 * White-backed Swallow
 * White-backed Vulture
 * White-backed Woodpecker
 * White-backed Woodswallow
 * White-banded Mockingbird
 * White-barred Piculet
 * White-bearded Greenbul
 * White-bearded Manakin
 * White-bellied Blue Flycatcher
 * White-bellied Blue Robin
 * White-bellied Bush Chat
 * White-bellied Chachalaca
 * White-bellied Cinclodes
 * White-bellied Crested Flycatcher
 * White-bellied Cuckooshrike
 * White-bellied drongo
 * White-bellied Emerald
 * White-bellied erpornis
 * White-bellied Fantail
 * White-bellied go-away-bird
 * White-bellied Goshawk
 * White-bellied Green Pigeon
 * White-bellied heron
 * White-bellied Honeyeater
 * White-bellied Hummingbird
 * White-bellied Imperial Pigeon
 * White-bellied Kingfisher
 * White-bellied Minivet
 * White-bellied munia
 * White-bellied Parrot
 * White-bellied Redstart
 * White-bellied sea eagle
 * White-bellied Seedsnipe
 * White-bellied storm petrel
 * White-bellied thrush
 * White-bellied Tit
 * White-bellied Treepie
 * White-bellied Woodpecker
 * White-bibbed Antbird
 * White-bibbed babbler
 * White-bibbed Swallow
 * White-billed Buffalo Weaver
 * White-breasted Antbird
 * White-breasted babbler
 * White-breasted Cormorant
 * White-breasted Cuckooshrike
 * White-breasted Guineafowl
 * White-breasted Nigrita
 * White-breasted nuthatch
 * White-breasted Parrotbill
 * White-breasted Robin
 * White-breasted Tapaculo
 * White-breasted Thrasher
 * White-breasted Waterhen
 * White-breasted Whistler
 * White-breasted Wood Wren
 * White-breasted Woodswallow
 * White-bridled Finch
 * White-browed Antpitta
 * White-browed Babbler
 * White-browed Blackbird
 * White-browed Brush Finch
 * White-browed Bulbul
 * White-browed Bush Chat
 * White-browed Bush Robin
 * White-browed Chat-Tyrant
 * White-browed Crombec
 * White-browed Fantail
 * White-browed Forest Flycatcher
 * White-browed fulvetta
 * White-browed Guan
 * White-browed Hawk
 * White-browed Hawk-Owl
 * White-browed Jungle Flycatcher
 * White-browed Laughingthrush
 * White-browed Nuthatch
 * White-browed Piculet
 * White-browed Robin
 * White-browed Robin-Chat
 * White-browed Scimitar Babbler
 * White-browed Scrubwren
 * White-browed Shama
 * White-browed Shortwing
 * White-browed Sparrow-Weaver
 * White-browed Tapaculo
 * White-browed Tit
 * White-browed Tit-Spinetail
 * White-browed Tit-warbler
 * White-browed Treecreeper
 * White-browed Triller
 * White-browed Wagtail
 * White-browed Woodswallow
 * White-capped Albatross
 * White-capped Bunting
 * White-capped Dipper
 * White-capped Fruit Dove
 * White-capped Monarch
 * White-capped munia
 * White-capped Redstart
 * White-cheeked Barbet
 * White-cheeked Bullfinch
 * White-cheeked Bushtit
 * White-cheeked Cotinga
 * White-cheeked Honeyeater
 * White-cheeked Nuthatch
 * White-cheeked Partridge
 * White-cheeked pintail
 * White-cheeked Starling
 * White-cheeked Tern
 * White-cheeked Tody-Flycatcher
 * White-cheeked turaco
 * White-chested alethe
 * White-chested Emerald
 * White-chested Puffbird
 * White-chested Tinkerbird
 * White-chested white-eye
 * White-chinned Myzomela
 * White-chinned petrel
 * White-chinned Prinia
 * White-chinned thrush
 * White-collared blackbird
 * White-collared Foliage-gleaner
 * White-collared Jay
 * White-collared Monarch
 * White-collared Oliveback
 * White-collared Seedeater
 * White-collared Starling
 * White-collared yuhina
 * White-crested Elaenia
 * White-crested Guan
 * White-crested Helmetshrike
 * White-crested Hornbill
 * White-crested laughingthrush
 * White-crested tiger heron
 * White-crested turaco
 * White-crowned Forktail
 * White-crowned Hornbill
 * White-crowned Lapwing
 * White-crowned Penduline Tit
 * White-crowned Pigeon
 * White-crowned Robin-Chat
 * White-crowned Shama
 * White-crowned Sparrow
 * White-crowned wheatear
 * White-eared Brown Dove
 * White-eared Bulbul
 * White-eared Ground Sparrow
 * White-eared Honeyeater
 * White-eared Hummingbird
 * White-eared Monarch
 * White-eared Myza
 * White-eared Parakeet
 * White-eared Puffbird
 * White-eared solitaire
 * White-eyed Buzzard
 * White-eyed Foliage-gleaner
 * White-eyed Gull
 * White-eyed Parakeet
 * White-eyed river martin
 * White-eyed Slaty Flycatcher
 * White-eyed thrush
 * White-eyed Tody-Tyrant
 * White-eyed Vireo
 * White-faced Dove
 * White-faced heron
 * White-faced ibis
 * White-faced Starling
 * White-faced storm petrel
 * White-faced Whitestart
 * White-flanked Antwren
 * White-flanked Sunbird
 * White-flippered Penguin
 * White-fronted Black Chat
 * White-fronted Chat
 * White-fronted Falconet
 * White-fronted Honeyeater
 * White-fronted Manakin
 * White-fronted Nunbird
 * White-fronted Plover
 * White-fronted Quail-Dove
 * White-fronted scops owl
 * White-fronted Swift
 * White-fronted Tern
 * White-fronted Tit
 * White-fronted Wattle-eye
 * White-fronted Whitestart
 * White-gaped Honeyeater
 * White-gorgeted Flycatcher
 * White-headed Barbet
 * White-headed Buffalo Weaver
 * White-headed Duck
 * White-headed Fruit Dove
 * White-headed Marsh Tyrant
 * White-headed munia
 * White-headed Petrel
 * White-headed pigeon
 * White-headed Starling
 * White-headed Vanga
 * White-headed Vulture
 * White-headed Wood Hoopoe
 * White-headed Woodpecker
 * White-hooded Babbler
 * White-lined Honeyeater
 * White-lined Tanager
 * White-lored Gnatcatcher
 * White-lored Oriole
 * White-lored Warbler
 * White-mantled Barbet
 * White-mantled Kingfisher
 * White-masked Antbird
 * White-naped brush finch
 * White-naped crane
 * White-naped Honeyeater
 * White-naped Jay
 * White-naped Lory
 * White-naped Monarch
 * White-naped pigeon
 * White-naped Tit
 * White-naped Woodpecker
 * White-naped yuhina
 * White-necked babbler
 * White-necked coucal
 * White-necked crow
 * White-necked Hawk
 * White-necked heron
 * White-necked Jacobin
 * White-necked Myna
 * White-necked Puffbird
 * White-necked raven
 * White-necked Robin
 * White-necked rockfowl
 * White-necked thrush
 * White-plumed Antbird
 * White-plumed Honeyeater
 * White-quilled Rock Pigeon
 * White-rumped Cuckooshrike
 * White-rumped munia
 * White-rumped sandpiper
 * White-rumped Seedeater
 * White-rumped Shama
 * White-rumped Snowfinch
 * White-rumped Spinetail
 * White-rumped Swift
 * White-rumped Swiftlet
 * White-rumped Triller
 * White-rumped Vulture
 * White-shouldered Black Tit
 * White-shouldered Ibis
 * White-shouldered Starling
 * White-shouldered Tanager
 * White-shouldered Triller
 * White-sided Hillstar
 * White-speckled Laughingthrush
 * White-spectacled Bulbul
 * White-spectacled Warbler
 * White-spotted Fantail
 * White-spotted Flufftail
 * White-spotted Wattle-eye
 * White-streaked Friarbird
 * White-streaked Honeyeater
 * White-striped Forest Rail
 * White-striped Warbler
 * White-striped Woodcreeper
 * White-tailed alethe
 * White-tailed ant thrush
 * White-tailed Cotinga
 * White-tailed eagle
 * White-tailed Flycatcher
 * White-tailed hawk
 * White-tailed Hillstar
 * White-tailed kite
 * White-tailed lapwing
 * White-tailed Monarch
 * White-tailed Nuthatch
 * White-tailed ptarmigan
 * White-tailed Robin
 * White-tailed Rubythroat
 * White-tailed Sabrewing
 * White-tailed Shrike
 * White-tailed Starfrontlet
 * White-tailed Stonechat
 * White-tailed Swallow
 * White-tailed Trogon
 * White-tailed tropicbird
 * White-tailed warbler
 * White-thighed Hornbill
 * White-throated Babbler
 * White-throated Barbtail
 * White-throated Bee-eater
 * White-throated Bulbul
 * White-throated Bush Chat
 * White-throated Bushtit
 * White-throated Cacholote
 * White-throated Canary
 * White-throated Caracara
 * White-throated Dipper
 * White-throated Fantail
 * White-throated Francolin
 * White-throated Gerygone
 * White-throated Grasswren
 * White-throated Greenbul
 * White-throated Honeyeater
 * White-throated Hummingbird
 * White-throated Jay
 * White-throated Jungle Flycatcher
 * White-throated Kingbird
 * White-throated Kingfisher
 * White-throated Laughingthrush
 * White-throated Magpie-Jay
 * White-throated Mountain Babbler
 * White-throated Mountaingem
 * White-throated Needletail
 * White-throated Redstart
 * White-throated Robin
 * White-throated Rock Thrush
 * White-throated Seedeater
 * White-throated Sparrow
 * White-throated Swallow
 * White-throated Swift
 * White-throated Tapaculo
 * White-throated thrush
 * White-throated Toucan
 * White-throated Towhee
 * White-throated Treecreeper
 * White-throated Treerunner
 * White-throated Whistler
 * White-throated Wren-Babbler
 * White-tipped Dove
 * White-tipped Monarch
 * White-tipped Plantcutter
 * White-tipped Quetzal
 * White-tipped Sicklebill
 * White-tufted Sunbeam
 * White-vented Shama
 * White-vented Violetear
 * White-vented Whistler
 * White-whiskered Hermit
 * White-whiskered Laughingthrush
 * White-whiskered Puffbird
 * White-winged Becard
 * White-winged Chough
 * White-winged Cotinga
 * White-winged Cuckooshrike
 * White-winged Diuca Finch
 * White-winged Dove
 * White-winged Duck
 * White-winged fairywren
 * White-winged Grosbeak
 * White-winged Guan
 * White-winged Lark
 * White-winged Magpie
 * White-winged Parakeet
 * White-winged Potoo
 * White-winged Sandpiper
 * White-winged scoter
 * White-winged Snowfinch
 * White-winged Swallow
 * White-winged Swamp Warbler
 * White-winged tern
 * White-winged Triller
 * White-winged Warbler
 * White-winged Widowbird
 * White-winged Woodpecker
 * White Cockatoo
 * White Eared Pheasant
 * White Hawk
 * White Monjita
 * White stork
 * White tern
 * White Wagtail
 * White Woodpecker
 * Whitefish Bay
 * Whitefish Point Bird Observatory
 * Whitefish Point Light
 * Whitehead's Broadbill
 * Whitehead's Spiderhunter
 * Whitehead's Swiftlet
 * Whitehead's Trogon
 * Whitehead (bird)
 * Whitelake River
 * Whitestone River
 * Whooping crane
 * Whooping Crane Summer Range
 * Wicken Fen
 * Wied's Tyrant-Manakin
 * Wielangta forest
 * Wilaru
 * Wild Birds Protection Act 1902
 * Wild turkey
 * Wild Wind Islets
 * Wilderness State Park
 * Wildfowl & Wetlands Trust
 * Wildlife of Phitsanulok Province
 * Wilfred Backhouse Alexander
 * Wilhelmina's Bird of Paradise
 * Will Wagstaff
 * Willard's Sooty Boubou
 * Willcocks's Honeyguide
 * Willet
 * William Bartram
 * William Beebe
 * William Bert Emison
 * William Brewster (ornithologist)
 * William Dawson (ornithologist)
 * William Eagle Clarke
 * William Frederick Henry Rosenberg
 * William G. Conway
 * William Henry Hudson
 * William Henry Phelps
 * William Henry Sykes
 * William John Swainson
 * William Kitchen Parker
 * William Leon Dawson
 * William Lewin
 * William Louis Abbott
 * William Lutley Sclater
 * William MacGillivray
 * William Moreton Condry
 * William Robert Ogilvie-Grant
 * William Ruxton Davison
 * William T. Cooper
 * William Tinsley Keeton
 * William Turner (naturalist)
 * William Vincent Legge
 * William Vogt
 * William Warde Fowler
 * William Willoughby Cole Verner
 * William Yarrell
 * Williams's Lark
 * Williamson's Sapsucker
 * Willie wagtail
 * Willis's Antbird
 * Willow Flycatcher
 * Willow Man
 * Willow ptarmigan
 * Willow Tit
 * Willow Warbler
 * Willows and Wetlands Visitor Centre
 * Wilson's Bird-of-paradise
 * Wilson's Indigobird
 * Wilson's phalarope
 * Wilson's plover
 * Wilson's storm petrel
 * Wilson's Warbler
 * Wilson Island (Queensland)
 * Wilson Ornithological Society
 * Wilson Reef
 * Wilson Roy Wheeler
 * Wilsons Promontory Islands Important Bird Area
 * Wilsons Promontory Marine National Park
 * Wilwell Farm Nature Reserve
 * Winchell's Kingfisher
 * Winding Cisticola
 * Windmill Hill, Gibraltar
 * Wine-throated Hummingbird
 * Wing-barred Seedeater
 * Wing-snapping Cisticola
 * Wing Haven Gardens and Bird Sanctuary
 * Winifred Cavendish-Bentinck, Duchess of Portland
 * Winisk River Estuary
 * Winter flooding of 2013–14 on the Somerset Levels
 * Winter Wren
 * Wire-crested Thorntail
 * Wire-tailed Manakin
 * Wire-tailed Swallow
 * Witherby Memorial Lecture
 * Witmer Stone
 * Wolfe Island (Ontario)
 * Wollogorang Important Bird Area
 * Wollumbin National Park
 * Wompoo Fruit Dove
 * Wonderful Bird of Paradise
 * Wonga Pigeon
 * Wood duck
 * Wood Harrier
 * Wood hoopoe
 * Wood Pipit
 * Wood sandpiper
 * Wood snipe
 * Wood stork
 * Wood thrush
 * Wood Warbler
 * Woodchat Shrike
 * Woodcreeper
 * Woodhouse's Antpecker
 * Woodland Kingfisher
 * Woodlark
 * Woodpecker Finch
 * Woodward's Batis
 * Woodward's eagle
 * Woodward brothers
 * Wookey
 * Woolavington
 * Woolly-necked Stork
 * Wooroonooran Important Bird Area
 * Wooroonooran National Park
 * Worcester's Buttonquail
 * World Birding Center
 * World Center for Birds of Prey
 * World Migratory Bird Day
 * Worthen's Sparrow
 * Wreathed Hornbill
 * Wreck Island
 * Wrenthrush
 * Wrentit
 * Wrinkled Hornbill
 * Writhed Hornbill
 * Wrybill
 * Wryneck
 * Wührens
 * WWT Arundel
 * WWT Caerlaverock
 * WWT Llanelli Wetlands Centre
 * WWT London Wetland Centre
 * WWT Martin Mere
 * WWT Slimbridge
 * WWT Washington
 * WWT Welney
 * Wye Marsh
 * Wynaad Laughingthrush
 * Wyndham Important Bird Area
 * Wyperfeld National Park
 * Wyperfeld, Big Desert and Ngarkat Important Bird Area
 * Wyrrabalong National Park
 * Xantus's Hummingbird
 * Xavier's Greenbul
 * Xenicus
 * Xenopsitta
 * Xestospiza
 * Xestospiza conica
 * Xestospiza fastigialis
 * Xingu Antbird
 * Xlendi Bay to Wardija Point Cliffs Important Bird Area
 * Yala National Park
 * Yalgorup Important Bird Area
 * Yalgorup National Park
 * Yambuk Important Bird Area
 * Yanchep National Park
 * Yanga National Park
 * Yankee Harbour
 * Yankee Springs Recreation Area
 * Yap Cicadabird
 * Yariguies Brush-finch
 * Yashilkul
 * Yelkouan Shearwater
 * Yellow-backed Tanager
 * Yellow-bearded Greenbul
 * Yellow-bellied Bush Warbler
 * Yellow-bellied Chat-Tyrant
 * Yellow-bellied Dacnis
 * Yellow-bellied Elaenia
 * Yellow-bellied Eremomela
 * Yellow-bellied Fantail
 * Yellow-bellied Flowerpecker
 * Yellow-bellied Flyrobin
 * Yellow-bellied Hyliota
 * Yellow-bellied Prinia
 * Yellow-bellied Sapsucker
 * Yellow-bellied Siskin
 * Yellow-bellied Sunbird-Asity
 * Yellow-bellied Tit
 * Yellow-bellied Warbler
 * Yellow-bellied Wattle-eye
 * Yellow-bellied Whistler
 * Yellow-bibbed Lory
 * Yellow-billed Amazon
 * Yellow-billed Babbler
 * Yellow-billed Barbet
 * Yellow-billed Blue Magpie
 * Yellow-billed Cacique
 * Yellow-billed cardinal
 * Yellow-billed cuckoo
 * Yellow-billed Duck
 * Yellow-billed Jacamar
 * Yellow-billed Kingfisher
 * Yellow-billed Kite
 * Yellow-billed loon
 * Yellow-billed Lorikeet
 * Yellow-billed Magpie
 * Yellow-billed malkoha
 * Yellow-billed Nuthatch
 * Yellow-billed Oxpecker
 * Yellow-billed Pintail
 * Yellow-billed Shrike
 * Yellow-billed Spoonbill
 * Yellow-billed Stork
 * Yellow-billed Teal
 * Yellow-billed turaco
 * Yellow-breasted Apalis
 * Yellow-breasted Boubou
 * Yellow-breasted Bowerbird
 * Yellow-breasted Bunting
 * Yellow-breasted Chat
 * Yellow-breasted Fruit Dove
 * Yellow-breasted Greenfinch
 * Yellow-breasted Pipit
 * Yellow-breasted Racket-tail
 * Yellow-breasted Tit
 * Yellow-breasted Warbling Antbird
 * Yellow-browed Bulbul
 * Yellow-browed Camaroptera
 * Yellow-browed Melidectes
 * Yellow-browed Tit
 * Yellow-browed Tody-Flycatcher
 * Yellow-browed Toucanet
 * Yellow-browed Warbler
 * Yellow-capped Pygmy Parrot
 * Yellow-capped Weaver
 * Yellow-casqued Hornbill
 * Yellow-cheeked Becard
 * Yellow-cheeked Tit
 * Yellow-chevroned Parakeet
 * Yellow-chinned Spinetail
 * Yellow-collared Lovebird
 * Yellow-collared Macaw
 * Yellow-crested Cockatoo
 * Yellow-crested Helmetshrike
 * Yellow-crested Manakin
 * Yellow-crested Woodpecker
 * Yellow-crowned Amazon
 * Yellow-crowned Bishop
 * Yellow-crowned Elaenia
 * Yellow-crowned Gonolek
 * Yellow-crowned night heron
 * Yellow-crowned parakeet
 * Yellow-crowned Whitestart
 * Yellow-crowned Woodpecker
 * Yellow-eared Bulbul
 * Yellow-eared Parrot
 * Yellow-eared Toucanet
 * Yellow-eared Woodpecker
 * Yellow-eyed babbler
 * Yellow-eyed Black Flycatcher
 * Yellow-eyed Junco
 * Yellow-eyed penguin
 * Yellow-eyed pigeon
 * Yellow-faced Grassquit
 * Yellow-faced honeyeater
 * Yellow-faced Myna
 * Yellow-faced Parrot
 * Yellow-faced Parrotlet
 * Yellow-footed Flycatcher
 * Yellow-footed Green Pigeon
 * Yellow-footed gull
 * Yellow-footed Honeyguide
 * Yellow-fronted Barbet
 * Yellow-fronted Canary
 * Yellow-fronted Parrot
 * Yellow-fronted Tinkerbird
 * Yellow-green Bush Tanager
 * Yellow-green Finch
 * Yellow-green Vireo
 * Yellow-headed Amazon
 * Yellow-headed blackbird
 * Yellow-headed Brush Finch
 * Yellow-headed Caracara
 * Yellow-headed Warbler
 * Yellow-knobbed Curassow
 * Yellow-legged Buttonquail
 * Yellow-legged thrush
 * Yellow-legged Weaver
 * Yellow-lored Bristlebill
 * Yellow-lored Tody-Flycatcher
 * Yellow-mantled Weaver
 * Yellow-mantled Widowbird
 * Yellow-naped Amazon
 * Yellow-olive Flatbill
 * Yellow-plumed Honeyeater
 * Yellow-ringed White-eye
 * Yellow-rumped Cacique
 * Yellow-rumped Flowerpecker
 * Yellow-rumped Flycatcher
 * Yellow-rumped Honeyguide
 * Yellow-rumped mannikin
 * Yellow-rumped Marshbird
 * Yellow-rumped Thornbill
 * Yellow-rumped Tinkerbird
 * Yellow-rumped Warbler
 * Yellow-scarfed Tanager
 * Yellow-shouldered Amazon
 * Yellow-shouldered Blackbird
 * Yellow-shouldered Grassquit
 * Yellow-sided Flowerpecker
 * Yellow-spotted barbet
 * Yellow-spotted Honeyeater
 * Yellow-spotted Petronia
 * Yellow-striped Brush Finch
 * Yellow-tailed black cockatoo
 * Yellow-tailed Oriole
 * Yellow-thighed Finch
 * Yellow-throated Apalis
 * Yellow-throated Bulbul
 * Yellow-throated Bunting
 * Yellow-throated Bush Tanager
 * Yellow-throated cuckoo
 * Yellow-throated Euphonia
 * Yellow-throated Greenbul
 * Yellow-throated Hanging Parrot
 * Yellow-throated Honeyeater
 * Yellow-throated Laughingthrush
 * Yellow-throated Leafbird
 * Yellow-throated Leaflove
 * Yellow-throated Longclaw
 * Yellow-throated Miner
 * Yellow-throated Nicator
 * Yellow-throated Petronia
 * Yellow-throated Scrubwren
 * Yellow-throated Seedeater
 * Yellow-throated Sparrow
 * Yellow-throated Tinkerbird
 * Yellow-throated Warbler
 * Yellow-throated Whistler
 * Yellow-throated Woodpecker
 * Yellow-tufted Honeyeater
 * Yellow-tufted Woodpecker
 * Yellow-vented Bulbul
 * Yellow-vented Eremomela
 * Yellow-vented Flowerpecker
 * Yellow-vented Green Pigeon
 * Yellow-vented Warbler
 * Yellow-wattled Bulbul
 * Yellow-wattled Lapwing
 * Yellow-whiskered Bush Tanager
 * Yellow-winged Pytilia
 * Yellow-winged Tanager
 * Yellow Bishop
 * Yellow bittern
 * Yellow Bunting
 * Yellow Canary
 * Yellow Chat
 * Yellow Honeyeater
 * Yellow Longbill
 * Yellow oriole
 * Yellow Penduline Tit
 * Yellow rail
 * Yellow Thornbill
 * Yellow Tit
 * Yellow Wattlebird
 * Yellowbill
 * Yellowhammer
 * Yellowhead (bird)
 * Yellowish Bulbul
 * Yellowish Flycatcher
 * Yellowish Imperial Pigeon
 * Yellowish Pipit
 * Yellowish White-eye
 * Yemen thrush
 * Yinberrie Hills Important Bird Area
 * Ynys-hir RSPB reserve
 * Ynys Feurig
 * Ynys Feurig, Cemlyn Bay and The Skerries Special Protection Area
 * Ythan Estuary
 * Yucatan Amazon
 * Yucatan Bobwhite
 * Yucatan Flycatcher
 * Yucatan Jay
 * Yucatan Poorwill
 * Yucatan Vireo
 * Yucatan Woodpecker
 * Yucatan Wren
 * Yungas Antwren
 * Yungas Tody-Tyrant
 * Yungas Tyrannulet
 * Yunnan Fulvetta
 * Yunnan Nuthatch
 * Yunnan Parrotbill
 * Yves Aubry
 * Zambezi Indigobird
 * Zamboanga Bulbul
 * Zapata rail
 * Zapata Sparrow
 * Zapata Wren
 * Zebra Dove
 * Zebra Finch
 * Zeltornis
 * Zenaida Dove
 * Zenker's Honeyguide
 * Zigzag heron
 * Zimmer's Tapaculo
 * Zimmer's Woodcreeper
 * Zino's petrel
 * Zitting Cisticola
 * Zone-tailed hawk
 * Zoo Miami
 * Zorkul Nature Reserve