List of critically endangered mammals
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As of January 2020, the
International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...
(IUCN) listed 203 critically endangered
mammalian Mammals () are a group of vertebrate animals constituting the class (biology), class Mammalia (), characterized by the presence of mammary glands which in Female#Mammalian female, females produce milk for feeding (nursing) their young, a ...
species, including 31 which are tagged as possibly extinct. Of all evaluated mammalian species, 3.5% are listed as critically endangered. The IUCN also lists 60 mammalian subspecies as critically endangered. Of the subpopulations of mammals evaluated by the IUCN, 18 species subpopulations have been assessed as critically endangered. Additionally 900 mammalian species (15% of those evaluated) are listed as
data deficient A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information for a proper assessment of conservation status to be made. This does not necessaril ...
, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN. While the category of data deficient indicates that no assessment of extinction risk has been made for the taxa, the IUCN notes that it may be appropriate to give them "the same degree of attention as threatened taxa, at least until their status can be assessed". This is a complete list of critically endangered mammalian species and subspecies evaluated by the IUCN. Species considered possibly extinct by the IUCN are marked as such. Species and subspecies which have critically endangered subpopulations (or stocks) are indicated. Where possible common names for taxa are given while links point to the scientific name used by the IUCN.


Primates

There are 63 species and 37 subspecies of
primates Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians (monkeys and apes, the latter including huma ...
assessed as critically endangered.


Gibbons Gibbons may refer to: * The plural of gibbon, an ape in the family Hylobatidae * Gibbons (surname) * Gibbons, Alberta * Gibbons (automobile), a British light car of the 1920s * Gibbons P.C., a leading American law firm headquartered in New Jersey ...

Species


Great apes The Hominidae (), whose members are known as the great apes or hominids (), are a taxonomic family of primates that includes eight extant species in four genera: '' Pongo'' (the Bornean, Sumatran and Tapanuli orangutan); ''Gorilla'' (the east ...

Species Subspecies


Lemurs Lemurs ( ) (from Latin ''lemures'' – ghosts or spirits) are wet-nosed primates of the superfamily Lemuroidea (), divided into 8 families and consisting of 15 genera and around 100 existing species. They are endemic to the island of Madagasc ...

Species Subspecies


Tarsiers Tarsiers ( ) are haplorhine primates of the family Tarsiidae, which is itself the lone extant family within the infraorder Tarsiiformes. Although the group was once more widespread, all of its species living today are found in Maritime Southeast ...

Species *
Siau Island tarsier The Siau Island tarsier (''Tarsius tumpara'') is a species of tarsier from the tiny volcanic island of Siau Island, Siau in Indonesia. The ''T. tumpara'' species is one of 14 species and 7 subspecies in the tarsier family called "Tarsiidae". They ...
Subspecies * Natuna Islands tarsier


Old World monkeys Old World monkey is the common English name for a family of primates known taxonomically as the Cercopithecidae (). Twenty-four genera and 138 species are recognized, making it the largest primate family. Old World monkey genera include baboons ...

Species Subspecies


New World monkeys New World monkeys are the five families of primates that are found in the tropical regions of Mexico, Central and South America: Callitrichidae, Cebidae, Aotidae, Pitheciidae, and Atelidae. The five families are ranked together as the Ceboidea ( ...

Species Subspecies


Lorisoidea Lorisoidea is a superfamily of nocturnal primates found throughout Africa and Asia. Members include the galagos and the lorisids. As strepsirrhines, lorisoids are related to the lemurs of Madagascar and are sometimes included in the infraorder Le ...

*
Javan slow loris The Javan slow loris (''Nycticebus javanicus'') is a strepsirrhine primate and a species of slow loris native to the western and central portions of the island of Java, in Indonesia. Although originally described as a separate species, it was co ...


Odd-toed ungulates

Species Subspecies


Cetartiodactyls

Cetartiodactyla The even-toed ungulates (Artiodactyla , ) are ungulates—hoofed animals—which bear weight equally on two (an even number) of their five toes: the third and fourth. The other three toes are either present, absent, vestigial, or pointing poster ...
includes dolphins, whales and even-toed ungulates. There are 15 species, nine subspecies, and nine subpopulations of cetartiodactyl assessed as critically endangered.


Non-cetacean even-toed ungulates

Species Subspecies


Cetaceans Cetacea (; , ) is an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet. They propel them ...

Species *
Baiji The baiji (; IPA: ; ''Lipotes vexillifer'', ''Lipotes'' meaning "left behind" and ''vexillifer'' "flag bearer") is a possibly extinct species of freshwater dolphin native to the Yangtze river system in China. It is thought to be the first dolph ...
(possibly extinct) *
Vaquita The vaquita ( ; ''Phocoena sinus'') is a species of porpoise endemic to the northern end of the Gulf of California in Baja California, Mexico. Averaging (females) or (males) in length, it is the smallest of all living cetaceans. The species i ...
*
Rice's whale Rice's whale (''Balaenoptera ricei''), also known as the Gulf of Mexico whale, is a species of baleen whale endemic to the northern Gulf of Mexico. Initially identified as a Population ecology, subpopulation of the Bryde's whale, genetics, genet ...
*
North Atlantic right whale The North Atlantic right whale (''Eubalaena glacialis'') is a baleen whale, one of three right whale species belonging to the genus ''Eubalaena'', all of which were formerly classified as a single species. Because of their docile nature, their ...
* Atlantic humpback dolphin Subspecies Subpopulations


Marsupials


Carnivora

Species Subspecies Subpopulations


Eulipotyphla


Lagomorpha


Rodents

There are 58 species and one subspecies of
rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...
assessed as critically endangered.


Hystricomorpha The term Hystricomorpha (from Greek ὕστριξ, ''hystrix'' 'porcupine' and Greek μορφή, ''morphē'' 'form') has had many definitions throughout its history. In the broadest sense, it refers to any rodent (except dipodoids) with a hystr ...


Myomorpha The suborder Myomorpha contains 1,524 species of mouse-like rodents, nearly a quarter of all mammal species. Included are mice, rats, gerbils, hamsters, lemmings, and voles. They are grouped according to the structure of their jaws and molar ...

There are 37 species in Myomorpha assessed as critically endangered.


Murids In Sufism, a ''murīd'' (Arabic مُرِيد 'one who seeks') is a novice committed to spiritual enlightenment by ''sulūk'' (traversing a path) under a spiritual guide, who may take the title murshid, '' pir'' or ''shaykh''. A ''sālik'' or Su ...


Cricetids


Nesomyids

* Mount Kahuzi climbing mouse


Castorimorpha Castorimorpha is the suborder of rodents containing the beavers and the kangaroo rats. A 2017 study using retroposon markers indicated that they are most closely related to the Anomaluromorpha (the scaly-tailed squirrels and the springhare) and ...

Species Subspecies *
Alcorn's pocket gopher Alcorn's pocket gopher (''Pappogeomys bulleri alcorni'') is a subspecies of rodent in the family Geomyidae. It is endemic to Mexico. Its natural habitat In ecology, the term habitat summarises the array of resources, physical and biotic ...


Sciuromorpha Sciuromorpha ("squirrel-like") is a rodent clade that includes several different rodent families. It includes all members of the Sciuridae (the squirrel family) as well as the mountain beaver species. Traditionally, the term has been defined on ...

*
Namdapha flying squirrel The Namdapha flying squirrel (''Biswamoyopterus biswasi'') is an arboreal, nocturnal flying squirrel endemic to Arunachal Pradesh in northeast India, where it is known from a single specimen collected in Namdapha National Park in 1981. No po ...
*
Vancouver Island marmot The Vancouver Island marmot (''Marmota vancouverensis'') naturally occurs only in the high mountains of Vancouver Island, in British Columbia. This particular marmot species is large compared to some other marmots, and most other rodents. Marmots ...


Bats


Other mammals

Species Subspecies *
Sumatran elephant The Sumatran elephant (''Elephas maximus sumatranus'') is one of four recognized subspecies of the Asian elephant, and native to the Indonesian island of Sumatra. In 2011, IUCN upgraded the conservation status of the Sumatran elephant from endang ...
Subpopulations *
Juliana's golden mole Juliana's golden mole (''Neamblysomus julianae'') is a golden mole endemic to South Africa. It is listed as an endangered species due to habitat loss and a restricted range. Golden moles are an ancient group of mammals that live mostly below gro ...
(1 subpopulation)


See also

*
Lists of IUCN Red List critically endangered species Version 2014.2 of the IUCN Red List of Threatened Species identified 4574 Critically Endangered species, subspecies and varieties, stocks and subpopulations. For IUCN lists of critically endangered species by kingdom, see: *Animals (kingdom ...
* List of least concern mammals *
List of near threatened mammals As of September 2016, the International Union for Conservation of Nature (IUCN) lists 343 near threatened mammalian species. 6.2% of all evaluated mammalian species are listed as near threatened. The IUCN also lists 31 mammalian subspecies as ...
*
List of vulnerable mammals As of September 2016, the International Union for Conservation of Nature (IUCN) lists 529 Vulnerable species, vulnerable Mammalia, mammalian species. 9.6% of all evaluated mammalian species are listed as vulnerable. The IUCN also lists 53 mamm ...
*
List of endangered mammals As of September 2016, the International Union for Conservation of Nature (IUCN) lists 474 endangered mammalian species. 8.6% of all evaluated mammalian species are listed as endangered. The IUCN also lists 86 mammalian subspecies as endangered ...
*
List of recently extinct mammals Recently extinct mammals are defined by the International Union for Conservation of Nature (IUCN) as any mammals that have become Extinction, extinct since the year 1500 Current Era, CE. Since then, roughly 80 mammal species have become extin ...
*
List of data deficient mammals As of September 2016, the International Union for Conservation of Nature (IUCN) lists 783 data deficient mammalian species. 14% of all evaluated mammalian species are listed as data deficient. The IUCN also lists 30 mammalian subspecies as data ...


References

* *Mammals Critically endangered mammals Critically endangered mammals Mammal conservation {{bots, deny=BG19bot,Yobot