List of threatened mammals of the United States

According to the International Union for Conservation of Nature (IUCN), 59 mammal species in the United States are threatened or nearly threatened with extinction.^[1] The IUCN has classified each of these species into one of four conservation statuses: near threatened NT, vulnerable VU, endangered EN, and critically endangered CR. Also included in the list are 3 species that became extinct since the 1760s.

Order Sirenia (sea cows)

Family Trichechidae (manatees)

• West Indian manatee (Trichechus manatus) VU ^IUCN (Florida manatee - ssp. latirostris: EN ^IUCN)

Family Dugongidae (dugongs)

• Steller's sea cow (Hydrodamalis gigas) EX ^IUCN since 1760s

Order Rodentia (rodents)

Family Sciuridae (squirrels)

• Utah prairie dog (Cynomys parvidens) EN ^IUCN
• Townsend's ground squirrel (Urocitellus townsendii) VU ^IUCN
• Idaho ground squirrel (Urocitellus brunneus) EN ^IUCN
• Washington ground squirrel (Urocitellus washingtoni) NT ^IUCN
• Mohave ground squirrel (Xerospermophilus mohavensis) VU ^IUCN
• San Joaquin antelope squirrel (Ammospermophilus nelsoni) EN ^IUCN
• Palmer's chipmunk (Neotamias palmeri) EN ^IUCN

Family Heteromyidae (kangaroo rats, kangaroo mice, and pocket mice)

• White-eared pocket mouse (Perognathus alticolus) EN ^IUCN
• Stephens' kangaroo rat (Dipodomys stephensi) EN ^IUCN
• Giant kangaroo rat (Dipodomys ingens) EN ^IUCN
• Texas kangaroo rat (Dipodomys elator) VU ^IUCN
• Fresno kangaroo rat (Dipodomys nitratoides) VU ^IUCN
• Banner-tailed kangaroo rat (Dipodomys spectabilis) NT ^IUCN

Family Geomyidae (gophers)

• Desert pocket gopher (Geomys arenarius) NT ^IUCN

Family Cricetidae (New World rats and mice)

• Florida mouse (Podomys floridanus) VU ^IUCN
• Salt marsh harvest mouse (Reithrodontomys raviventris) EN ^IUCN
• Allegheny woodrat (Neotoma magister) NT ^IUCN
• Beach vole (Microtus breweri) VU ^IUCN
• Red tree vole (Arborimus longicaudus) NT ^IUCN
• California red tree mouse (Arborimus pomo) NT ^IUCN

Order Lagomorpha (hares, rabbits, and pikas)

Family Leporidae (hares and rabbits)

• Robust cottontail (Sylvilagus robustus) EN ^IUCN
• New England cottontail (Sylvilagus transitionalis) VU ^IUCN
• Appalachian cottontail (Sylvilagus obscurus) NT ^IUCN
• European rabbit (Oryctolagus cuniculus) (introduced from Western Europe) NT ^IUCN
• White-sided jackrabbit (Lepus callotis) NT ^IUCN

Order Soricomorpha (shrews, moles, and relatives)

Family Soricidae (shrews)

• Pribilof Island shrew (Sorex pribilofensis) EN ^IUCN

Order Chiroptera (bats)

Family Phyllostomidae (leaf-nosed bats)

• Greater long-nosed bat (Leptonycteris nivalis) EN ^IUCN
• Lesser long-nosed bat (Leptonycteris yerbabuenae) VU ^IUCN
• Mexican long-tongued bat (Choeronycteris mexicana) NT ^IUCN

Family Vespertilionidae (vesper bats)

• Indiana bat (Myotis sodalis) NT ^IUCN
• Gray bat (Myotis grisescens) NT ^IUCN

Family Molossidae (free-tailed bats)

• Florida bonneted bat (Eumops floridanus) CR ^IUCN

Order Carnivora (dogs, cats, and relatives)

Family Felidae (cats)

• Jaguar (Panthera onca) NT ^IUCN

Family Canidae (dogs)

• Island fox (Urocyon littoralis) NT ^IUCN
• Red wolf (Canis rufus) CR ^IUCN

Family Ursidae (bears)

• Polar bear (Ursus maritimus) VU ^IUCN

Family Mephitidae (skunks)

• Eastern spotted skunk (Spilogale putorius) VU ^IUCN

Family Mustelidae (weasels and relatives)

• Black-footed ferret (Mustela nigripes) EN ^IUCN
• Sea mink (Neovison macrodon) EX ^IUCN since 1860s
• Sea otter (Enhydra lutris) EN ^IUCN

Family Odobenidae (walrus)

• Walrus (Odobenus rosmarus) VU ^IUCN

Family Otariidae (eared seals)

• Northern fur seal (Callorhinus ursinus) VU ^IUCN
• Steller sea lion (Eumetopias jubatus) NT ^IUCN (Western Steller sea lion - ssp. jubatus: EN ^IUCN)

Family Phocidae (earless seals)

• Hawaiian monk seal (Neomonachus schauinslandi) EN ^IUCN
• Caribbean monk seal (Neomonachus tropicalis) EX ^IUCN since 1950s
• Hooded seal (Cystophora cristata) VU ^IUCN

Order Artiodactyla (even-toed ungulates)

Family Cervidae (deer)

• Reindeer (Rangifer tarandus) VU ^IUCN
• Indian hog deer (Hyelaphus porcinus) (introduced from South and Southeast Asia) EN ^IUCN
• Sambar deer (Rusa unicolor) (introduced from South and Southeast Asia) VU ^IUCN

Family Bovidae (bovids)

• Barbary sheep (Ammotragus lervia) (introduced from North Africa) VU ^IUCN
• Blackbuck (Antilope cervicapra) (introduced from India) NT ^IUCN
• American bison (Bison bison) NT ^IUCN

Order Cetacea (whales and dolphins)

Family Monodontidae (narwhal and beluga)

• Narwhal (Monodon monoceros) (Occasional vagrant; normal range is in the Arctic Ocean north of Canada, Greenland, and Russia) NT ^IUCN
• Beluga whale (Delphinapterus leucas) NT ^IUCN (Cook Inlet subpopulation: CR ^IUCN)

Family Physeteridae (sperm whale)

• Sperm whale (Physeter macrocephalus) VU ^IUCN

Family Balaenidae (bowhead and right whales)

• North Atlantic right whale (Eubalaena glacialis) EN ^IUCN
• North Pacific right whale (Eubalaena japonica) EN ^IUCN (Northeast Pacific subpopulation: CR ^IUCN)

Family Balaenopteridae (rorquals)

• Blue whale (Balaenoptera musculus) EN ^IUCN
• Fin whale (Balaenoptera physalus) EN ^IUCN
• Sei whale (Balaenoptera borealis) EN ^IUCN

See also

• List of mammals of the United States

References

Threatened species by region
By region	Blue-listed Environmental Vulnerability Index Regional Red List
Australasia	Environment Protection and Biodiversity Conservation Act 1999 ROTAP Threatened Species Protection Act 1995 Threatened ecological community Trade in Endangered Species Act 1989
Canada	Species at Risk Act Committee on the Status of Endangered Wildlife in Canada
Europe	European Endangered Species Programme Funds for Endangered Parrots
South Africa	Endangered Wildlife Trust
United States	Distinct population segment Endangered Species Act Endangered Species Act Amendments of 1978 Endangered species recovery plan Endangered Wolf Center National Wildlife Refuge NatureServe conservation status The Nature Conservancy
Lists	Asia List of endangered and protected species of China Endangered mammals of India List of endangered animals in India List of endangered species in Pakistan List of threatened species of the Philippines List of endangered species in Vietnam Europe Threatened mammals of Europe Endangered plants of Europe List of United Kingdom Biodiversity Action Plan species List of extinct and endangered species of Italy List of extinct and endangered species of Lithuania North America List of endangered plants in North America List of endangered species in North America Endangered mammals and birds of the United States List of threatened mammals of the United States List of threatened birds of the United States List of threatened reptiles and amphibians of the United States Elsewhere Threatened fauna of Australia List of threatened flora of Australia Official list of endangered flora of Brazil List of threatened mammals of Brazil List of threatened birds of Brazil

Threatened species
Template: Threatened species by region
IUCN Red List	Categories1 Extinct Extinct (EX) Extinct in the Wild (EW) Threatened Critically Endangered (CR) Endangered (EN) Vulnerable (VU) Lower risk Near Threatened (NT) Least Concern (LC) Lower Risk (LR) Conservation Dependent (LR/cd) Not fully assessed Data Deficient (DD) Not Evaluated (NE) Species Lists Extinct Extinct in the Wild Critically Endangered Endangered Vulnerable Near Threatened Least Concern Data Deficient WP categories Extinct Extinct in the Wild Critically Endangered Endangered Vulnerable Near Threatened Least Concern Data Deficient
By taxa	Endangered arthropods / spiders Threatened Banksia / rays / sharks / sturgeons The World's 25 Most Endangered Primates The world's 100 most threatened species
Conservation	Biodiversity action plan Biodiversity threats Conservation biology CITES ARKive Bird conservation Conservation status Conservation-reliant species Ecoregion conservation status Habitat destruction Latent extinction risk Rare species Vulnerability and susceptibility
1 Pre-2001 categories and subcategories shown in italics.