List of mammals of Washington

The list of mammals of Washington lists mammalian species that live in the U.S. state of Washington, including 9 introduced mammal species. The list does not include species found exclusively in captivity.

Opossums
Family: Didelphidae
 * Virginia opossum, Didelphis virginiana introduced

Shrews and moles
Family: Soricidae
 * Marsh shrew, Sorex bendirii
 * Cinereus shrew, Sorex cinereus
 * American pygmy shrew, Sorex hoyi
 * Merriam's shrew, Sorex merriami
 * Montane shrew, Sorex monticolus
 * Preble's shrew, Sorex preblei
 * Olympic shrew, Sorex rohweri
 * Trowbridge's shrew, Sorex trowbridgii
 * Vagrant shrew, Sorex vagrans

Family: Talpidae
 * American shrew mole, Neurotrichus gibbsii
 * Coast mole, Scapanus orarius
 * Townsend's mole, Scapanus townsendii

Bats
Family: Vespertilionidae
 * Pallid bat, Antrozous pallidus
 * Townsend's big-eared bat, Corynorhinus townsendii
 * Big brown bat, Eptesicus fuscus
 * Spotted bat, Euderma maculatum
 * Silver-haired bat, Lasionycteris noctivagans
 * Hoary bat, Lasiurus cinereus
 * California myotis, Myotis californicus
 * Western small-footed myotis, Myotis ciliolabrum
 * Long-eared myotis, Myotis evotis
 * Keen's myotis, Myotis keenii
 * Little brown myotis, Myotis lucifugus
 * Fringed myotis, Myotis thysanodes
 * Long-legged myotis, Myotis volans
 * Yuma myotis, Myotis yumanensis
 * Canyon bat, Parastrellus hesperus

Lagomorphs
Family: Ochotonidae
 * American pika, Ochotona princeps

Family: Leporidae
 * Pygmy rabbit, Brachylagus idahoensis
 * Snowshoe hare, Lepus americanus
 * Black-tailed jackrabbit, Lepus californicus
 * White-tailed jackrabbit, Lepus townsendii
 * European rabbit, Oryctolagus cuniculus introduced
 * Eastern cottontail, Sylvilagus floridanus
 * Mountain cottontail, Sylvilagus nuttallii

Rodents
Family: Aplodontiidae
 * Mountain beaver, Aplodontia rufa

Family: Sciuridae
 * Eastern gray squirrel, Sciurus carolinensis introduced
 * Western gray squirrel, Sciurus griseus
 * Fox squirrel, Sciurus niger
 * Douglas squirrel, Tamiasciurus douglasii
 * American red squirrel, Tamiasciurus hudsonicus
 * Hoary marmot, Marmota caligata
 * Yellow-bellied marmot, Marmota flaviventris
 * Olympic marmot, Marmota olympus
 * California ground squirrel, Otospermophilus beecheyi
 * Golden-mantled ground squirrel, Callospermophilus lateralis
 * Cascade golden-mantled ground squirrel, Callospermophilus saturatus
 * Columbian ground squirrel, Urocitellus columbianus
 * Piute ground squirrel, Urocitellus mollis
 * Townsend's ground squirrel, Urocitellus townsendii
 * Washington ground squirrel, Urocitellus washingtoni
 * Yellow-pine chipmunk, Tamias amoenus
 * Coulee chipmunk, Tamias grisescens
 * Least chipmunk, Tamias minimus
 * Red-tailed chipmunk, Tamias ruficaudus
 * Townsend's chipmunk, Tamias townsendii
 * Northern flying squirrel, Glaucomys sabrinus

Family: Castoridae
 * American beaver, Castor canadensis

Family: Heteromyidae
 * Ord's kangaroo rat, Dipodomys ordii
 * Great Basin pocket mouse, Perognathus parvus

Family: Geomyidae
 * Mazama pocket gopher, Thomomys mazama
 * Northern pocket gopher, Thomomys talpoides

Family: Dipodidae
 * Western jumping mouse, Zapus princeps
 * Pacific jumping mouse, Zapus trinotatus

Family: Cricetidae
 * Sagebrush vole, Lemmiscus curtatus
 * Gray-tailed vole, Microtus canicaudus
 * Long-tailed vole, Microtus longicaudus
 * Montane vole, Microtus montanus
 * Creeping vole, Microtus oregoni
 * Western meadow vole, Microtus drummondii
 * Water vole, Microtus richardsoni
 * Townsend's vole, Microtus townsendii
 * Southern red-backed vole, Clethrionomys gapperi
 * Muskrat, Ondatra zibethicus
 * Western heather vole, Phenacomys intermedius
 * Northern bog lemming, Synaptomys borealis
 * Bushy-tailed woodrat, Neotoma cinerea
 * Northern grasshopper mouse, Onychomys leucogaster
 * Western deer mouse, Peromyscus sonoriensis
 * Northwestern deer mouse, Peromyscus keeni
 * Western harvest mouse, Reithrodontomys megalotis

Family: Muridae
 * House mouse, Mus musculus introduced
 * Norway rat, Rattus norvegicus introduced
 * Black rat, Rattus rattus introduced

Family: Erethizontidae
 * North American porcupine, Erethizon dorsatum

Family: Myocastoridae
 * Nutria, Myocastor coypus introduced

Carnivorans
Family: Canidae
 * Coyote, Canis latrans
 * Gray wolf, Canis lupus
 * Gray fox, Urocyon cinereoargenteus
 * Red fox, Vulpes vulpes

Family: Ursidae
 * American black bear, Ursus americanus
 * Brown bear, Ursus arctos
 * Grizzly bear, U. a. horribilis

Family: Otariidae
 * Northern fur seal, Callorhinus ursinus
 * Steller sea lion, Eumetopias jubatus
 * California sea lion, Zalophus californianus

Family: Phocidae
 * Northern elephant seal, Mirounga angustirostris
 * Harbor seal, Phoca vitulina

Family: Procyonidae
 * Raccoon, Procyon lotor

Family: Mephitidae
 * Striped skunk, Mephitis mephitis
 * Western spotted skunk, Spilogale gracilis

Family: Felidae
 * Canada lynx, Lynx canadensis
 * Bobcat, Lynx rufus
 * Cougar, Puma concolor

Family: Mustelidae
 * Sea otter, Enhydra lutris
 * North American river otter, Lontra canadensis
 * Long-tailed weasel, Neogale frenata
 * American mink, Neogale vison
 * Fisher, Pekania pennanti
 * American ermine, Mustela richardsonii
 * Wolverine, Gulo gulo
 * Pacific marten, Martes caurina
 * American badger, Taxidea taxus

Whales, dolphins and porpoises
Family: Balaenidae
 * North Pacific right whale, Eubalaena japonica

Family: Balaenopteridae
 * Minke whale, Balaenoptera acutorostrata
 * Sei whale, Balaenoptera borealis
 * Blue whale, Balaenoptera musculus
 * Fin whale, Balaenoptera physalus
 * Humpback whale, Megaptera novaengliae
 * Gray whale, Eschrictius robustus

Family: Delphinidae
 * Common dolphin, Delphinus delphis
 * Risso's dolphin, Grampus griseus
 * Pacific white-sided dolphin, Lagenorynchus obliquidens
 * Northern right whale dolphin, Lissodelphis borealis
 * Orca, Orcinus orca

Family: Monodontidae
 * Beluga whale, Delphinapterus leucas vagrant

Family: Phocoenidae
 * Harbor porpoise, Phocoena phocoena
 * Dall's porpoise, Phocoenoides dalli

Family: Physeteridae
 * Pygmy sperm whale, Kogia breviceps
 * Dwarf sperm whale, Kogia sima
 * Sperm whale, Physeter macrocephalus

Family: Ziphiidae
 * Baird's beaked whale, Berardius bairdii
 * Hubbs' beaked whale, Mesoplodon carlhubbsi
 * Stejneger's beaked whale, Mesoplodon stejnegeri
 * Cuvier's beaked whale, Ziphius cavirostris

Even-toed ungulates
Family: Antilocapridae
 * Pronghorn, Antilocapra americana reintroduced

Family: Bovidae
 * American bison, Bison bison reintroduced
 * Mountain goat, Oreamnos americanus
 * Bighorn sheep, Ovis canadensis

Family: Cervidae
 * Moose, Alces alces
 * Elk, Cervus canadensis
 * Mule deer, Odocoileus hemionus
 * White-tailed deer, Odocoileus virginianius
 * Caribou, Rangifer tarandus extirpated
 * Boreal woodland caribou, R. t. caribou extirpated