List of mammals of the U.S. Virgin Islands

This is a list of the mammal species recorded in the U.S. Virgin Islands. Of the native mammal species in the U.S. Virgin Islands, two are vulnerable and one species has been classified as extinct.^[1]

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

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.

Subclass: Theria

Infraclass: Eutheria

Order: Sirenia (manatees and dugongs)

Sirenia is an order of fully aquatic, herbivorous mammals that inhabit rivers, estuaries, coastal marine waters, swamps, and marine wetlands. All four species are endangered.

Family: Trichechidae
- Genus: Trichechus
  - West Indian manatee, Trichechus manatus VU

Order: Rodentia (Rodents)

Rodentia is an order of mammals characterised by two continuously growing incisors in the upper and lower jaws which must be kept short by gnawing.

Family: Dasyproctidae
- Genus: Dasyprocta
  - Red-rumped agouti, Dasyprocta leporina LC introduced
Suborder: Hystricomorpha
- Family: Capromyidae
  - Subfamily: Isolobodontinae
    - Genus: Isolobodon
      - Puerto Rican hutia, I. portoricensis EX introduced

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: Noctilionidae
- Genus: Noctilio
  - Greater bulldog bat, Noctilio leporinus LR/lc
Family: Phyllostomidae
- Subfamily: Brachyphyllinae
  - Genus: Brachyphylla
    - Antillean fruit-eating bat, Brachyphylla cavernarum LR/lc
- Subfamily: Glossophaginae
  - Genus: Glossophaga
    - Miller's long-tongued bat, Glossophaga longirostris LR/lc
- Subfamily: Stenodermatinae
  - Genus: Artibeus
    - Jamaican fruit bat, Artibeus jamaicensis LR/lc
  - Genus: Stenoderma
    - Red fruit bat, Stenoderma rufum VU

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.

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 (baleen whales)
  - Genus: Balaenoptera
    - Common minke whale, Balaenoptera acutorostrata
    - Sei whale, Balaenoptera borealis
    - Bryde's whale, Balaenoptera brydei
    - Blue whale, Balaenoptera musculus
  - Genus: Megaptera
    - Humpback whale, Megaptera novaeangliae
Suborder: Odontoceti
- Superfamily: Platanistoidea
  - Family: Delphinidae (marine dolphins)
    - Genus: Delphinus
      - Short-beaked common dolphin, Delphinus delphis DD
    - Genus: Feresa
      - Pygmy killer whale, Feresa attenuata DD
    - Genus: Globicephala
      - Short-finned pilot whale, Globicephala macrorhynchus DD
    - Genus: Lagenodelphis
      - Fraser's dolphin, Lagenodelphis hosei DD
    - Genus: Grampus
      - Risso's dolphin, Grampus griseus DD
    - Genus: Orcinus
      - Killer whale, Orcinus orca DD
    - Genus: Peponocephala
      - Melon-headed whale, Peponocephala electra DD
    - Genus: Pseudorca
      - False killer whale, Pseudorca crassidens DD
    - Genus: Stenella
      - Pantropical spotted dolphin, Stenella attenuata DD
      - Clymene dolphin, Stenella clymene DD
      - Striped dolphin, Stenella coeruleoalba DD
      - Atlantic spotted dolphin, Stenella frontalis DD
      - Spinner dolphin, Stenella longirostris DD
    - Genus: Steno
      - Rough-toothed dolphin, Steno bredanensis DD
    - Genus: Tursiops
      - Common bottlenose dolphin, Tursiops truncatus
  - Family: Physeteridae (sperm whales)
    - Genus: Physeter
      - Sperm whale, Physeter catodon DD
  - Family: Kogiidae (dwarf sperm whales)
    - Genus: Kogia
      - Pygmy sperm whale, Kogia breviceps DD
      - Dwarf sperm whale, Kogia sima DD
- Superfamily Ziphioidea
  - Family: Ziphidae (beaked whales)
    - Genus: Mesoplodon
      - Gervais' beaked whale, Mesoplodon europaeus DD
    - Genus: Ziphius
      - Cuvier's beaked whale, Ziphius cavirostris DD

Order: Carnivora (carnivorans)

There are over 260 species of carnivorans, the majority of which feed primarily on meat. They have a characteristic skull shape and dentition. The order Carnivora is represented in the U.S. Virgin Islands by an introduced species, the small Indian mongoose (Herpestes auropunctatus), which is a species of mongoose found in the wild in South and Southeast Asia. It has been introduced to various parts of the world, including the Caribbean. In addition, the Caribbean monk seal frequently visited many of the islands, but is now classified as extinct.

Family: Herpestidae
- Subfamily: Herpestinae
  - Genus: Urva
    - Small Indian mongoose, U. auropunctata LC^[2] introduced
Suborder: Pinnipedia
- Family: Phocidae (earless seals)
  - Genus: Neomonachus
    - Caribbean monk seal, N. tropicalis EX

Notes

References

"The IUCN Red List of Threatened Species: Mammals of the U.S. Virgin Islands". IUCN. 2001. Retrieved 22 May 2007. ^{[dead link]}
"Mammal Species of the World". Smithsonian National Museum of Natural History. 2005. Archived from the original on 27 April 2007. Retrieved 22 May 2007.
"Animal Diversity Web". University of Michigan Museum of Zoology. 1995–2006. Retrieved 22 May 2007.

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[2]

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