List of mammals of American Samoa

There are eight mammal species in the United States territory of American Samoa, of which one is endangered and two are vulnerable. Four of the species found in American Samoa are bats, two are whales, and two are dolphins.

The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature:

Order: Chiroptera (bats)
The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals capable of flight. Bat species account for about 20% of all mammals.


 * Family: Pteropodidae (flying foxes, Old World fruit bats)
 * Subfamily: Pteropodinae
 * Genus: Pteropus
 * Samoa flying-fox, Pteropus samoensis VU
 * Insular flying-fox, Pteropus tonganus LR/lc
 * Family: Vespertilionidae
 * Subfamily: Myotinae
 * Genus: Myotis
 * Insular myotis, Myotis insularum DD
 * Family: Emballonuridae
 * Genus: Emballonura
 * Polynesian sheath-tailed bat, Emballonura semicaudata EN

Order: Cetacea (whales)
The order Cetacea includes whales, dolphins and porpoises. They are the mammals most fully adapted to aquatic life with a spindle-shaped nearly hairless body, protected by a thick layer of blubber, and forelimbs and tail modified to provide propulsion underwater.


 * Suborder: Mysticeti
 * Family: Balaenopteridae
 * Subfamily: Megapterinae
 * Genus: Megaptera
 * Humpback whale, Megaptera novaeangliae LC
 * Suborder: Odontoceti
 * Superfamily: Platanistoidea
 * Family: Ziphidae
 * Subfamily: Hyperoodontinae
 * Genus: Mesoplodon
 * Ginkgo-toothed beaked whale, Mesoplodon ginkgodens DD
 * Family: Delphinidae (marine dolphins)
 * Genus: Stenella
 * Spinner dolphin, Stenella longirostris LR/cd
 * Genus: Lagenodelphis
 * Fraser's dolphin, Lagenodelphis hosei DD