List of mammals of American Samoa
Encyclopedia
This is a list of the mammal species recorded in American Samoa. There are 8 mammal species in American Samoa
, of which 0 are critically endangered, 1 is endangered, 2 are vulnerable, and 0 are near-threatened.
The following tags are used to highlight each species' conservation status as assessed by the IUCN
:
Some species were assessed using an earlier set of criteria. Species assessed using this system have the following instead of Near Threatened and Least Concern categories:
The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals in the world naturally capable of flight. Bat species account for about 20% of all mammals.
Order: Cetacea
----
The order Cetacea includes whale
s, dolphin
s and porpoise
s. 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.
American Samoa
American Samoa is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the sovereign state of Samoa...
, of which 0 are critically endangered, 1 is endangered, 2 are vulnerable, and 0 are near-threatened.
The following tags are used to highlight each species' conservation status as assessed by the IUCN
World Conservation Union
The International Union for Conservation of Nature and Natural Resources is an international organization dedicated to finding "pragmatic solutions to our most pressing environment and development challenges." The organization publishes the IUCN Red List, compiling information from a network of...
:
EX | Extinct | No reasonable doubt that the last individual has died. |
EW | Extinct in the wild | Known only to survive in captivity or as a naturalized populations well outside its previous range. |
CR | Critically Endangered | The species is in imminent risk of extinction in the wild. |
EN | Endangered | The species is facing an extremely high risk of extinction in the wild. |
VU | Vulnerable | The species is facing a high risk of extinction in the wild. |
NT | Near Threatened | The species does not meet any of the criteria that would categorise it as risking extinction but it is likely to do so in the future. |
LC | Least Concern | There are no current identifiable risks to the species. |
DD | Data Deficient | There is inadequate information to make an assessment of the risks to this species. |
Some species were assessed using an earlier set of criteria. Species assessed using this system have the following instead of Near Threatened and Least Concern categories:
LR/cd | Lower Risk/conservation dependent | Species which were the focus of conservation programmes and may have moved into a higher risk category if that programme was discontinued. |
LR/nt | Lower Risk/near threatened | Species which are close to being classified as Vulnerable but are not the subject of conservation programmes. |
LR/lc | Lower Risk/least concern | Species for which there are no identifiable risks. |
Order: Chiroptera (bats)
----The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals in the world naturally capable of flight. Bat species account for about 20% of all mammals.
- Family: Pteropodidae (flying foxes, Old World fruit bats)
- Subfamily: PteropodinaePteropodinaePteropodinae is a subfamily of megabats. Species within this subfamily are:Subfamily Pteropodinae* Genus Acerodon**Sulawesi Flying Fox, Acerodon celebensis**Talaud Flying Fox, Acerodon humilis...
- Genus: PteropusPteropusBats of the genus Pteropus, belonging to the megabat or Megachiroptera sub-order, are the largest bats in the world. They are commonly known as the fruit bats or flying foxes among other colloquial names...
- Samoa Flying-foxSamoa Flying-foxThe Samoa Flying Fox or Samoan Flying Fox is a species of megabat in the Pteropodidae family. It is found in American Samoa, Fiji, and Samoa. Its natural habitat is subtropical or tropical dry forests...
Pteropus samoensis VU - Insular Flying-foxInsular Flying-foxThe Insular Flying Fox or Pacific Flying Fox is a species of megabat in the Pteropodidae family. It is found in American Samoa, the Cook Islands, Fiji, New Caledonia, Niue, Papua New Guinea, Samoa, the Solomon Islands, Tonga, and Vanuatu.-References:* Hamilton, S. & Helgen, K. 2008. . Downloaded...
Pteropus tonganus LR/lc
- Samoa Flying-fox
- Genus: Pteropus
- Subfamily: Pteropodinae
- Family: Vespertilionidae
- Subfamily: Myotinae
- Genus: Myotis
- Insular MyotisInsular MyotisThe Insular Myotis is a species of vesper bat in the Vespertilionidae family.It is found in possibly American Samoa and possibly Samoa.-References:* Chiroptera Specialist Group 1996. . Downloaded on 19 July 2007....
Myotis insularum DD
- Insular Myotis
- Genus: Myotis
- Subfamily: Myotinae
- Family: Emballonuridae
- Genus: EmballonuraEmballonuraEmballonura is a genus of sac-winged bat in the family Emballonuridae.It contains the following species:* Small Asian Sheath-tailed Bat * Peters's Sheath-tailed Bat...
- Polynesian Sheath-tailed Bat Emballonura semicaudata EN
- Genus: Emballonura
Order: CetaceaCetaceaThe order Cetacea includes the marine mammals commonly known as whales, dolphins, and porpoises. Cetus is Latin and is used in biological names to mean "whale"; its original meaning, "large sea animal", was more general. It comes from Ancient Greek , meaning "whale" or "any huge fish or sea...
(whales)
----The order Cetacea includes whale
Whale
Whale is the common name for various marine mammals of the order Cetacea. The term whale sometimes refers to all cetaceans, but more often it excludes dolphins and porpoises, which belong to suborder Odontoceti . This suborder also includes the sperm whale, killer whale, pilot whale, and beluga...
s, dolphin
Dolphin
Dolphins are marine mammals that are closely related to whales and porpoises. There are almost forty species of dolphin in 17 genera. They vary in size from and , up to and . They are found worldwide, mostly in the shallower seas of the continental shelves, and are carnivores, mostly eating...
s and porpoise
Porpoise
Porpoises are small cetaceans of the family Phocoenidae; they are related to whales and dolphins. They are distinct from dolphins, although the word "porpoise" has been used to refer to any small dolphin, especially by sailors and fishermen...
s. They are the mammals most fully adapted to aquatic
Aquatic adaptation
Several animal groups have undergone aquatic adaptation, going from being purely terrestrial animals to living at least part of the time in water. The adaptations in early speciation tend to develop as the animal ventures into water in order to find available food. As successive generations spend...
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 WhaleHumpback WhaleThe humpback whale is a species of baleen whale. One of the larger rorqual species, adults range in length from and weigh approximately . The humpback has a distinctive body shape, with unusually long pectoral fins and a knobbly head. It is an acrobatic animal, often breaching and slapping the...
Megaptera novaeangliae VU
- Humpback Whale
- Genus: Megaptera
- Subfamily: Megapterinae
- Family: Balaenopteridae
- Suborder: Odontoceti
- Superfamily: Platanistoidea
- Family: Ziphidae
- Subfamily: Hyperoodontidae
- Genus: Mesoplodon
- Ginkgo-toothed Beaked WhaleGinkgo-toothed Beaked WhaleThe ginkgo-toothed beaked whale is a poorly known species of whale even for a beaked whale, and was named for the unusual shape of its dual teeth...
Mesoplodon ginkgodens DD
- Ginkgo-toothed Beaked Whale
- Genus: Mesoplodon
- Subfamily: Hyperoodontidae
- Family: Delphinidae (marine dolphins)
- Genus: StenellaStenellaStenella is a genus of aquatic mammals in Delphinidae, the family informally known as the oceanic dolphins.Currently five species are recognised in this genus:*Pantropical Spotted Dolphin, S. attenuata*Atlantic Spotted Dolphin, S. frontalis...
- Spinner DolphinSpinner DolphinThe Spinner Dolphin is a small dolphin found in off-shore tropical waters around the world. It is famous for its acrobatic displays in which they spin longitudinally along their axis as they leap through the air.-Taxonomy:...
Stenella longirostris LR/cd
- Spinner Dolphin
- Genus: Lagenodelphis
- Fraser's DolphinFraser's DolphinFraser's Dolphin or Sarawak Dolphin is a cetacean in the family Delphinidae found in deep waters in the Pacific Ocean and to a lesser extent in the Indian and Atlantic Oceans.-Taxonomy:...
Lagenodelphis hosei DD
- Fraser's Dolphin
- Genus: Stenella
- Family: Ziphidae
- Superfamily: Platanistoidea
See also
- List of chordate orders
- List of regional mammals lists
- List of prehistoric mammals
- Mammal classificationMammal classificationMammalia is a class of animal within the Phylum Chordata. Mammal classification has been through several iterations since Carolus Linnaeus initially defined the class. Many earlier ideas have been completely abandoned by modern taxonomists, among these are the idea that bats are related to birds...
- New mammal species