In September 2016, the

International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the stat ...

(IUCN) listed 783

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 ...

mammalian A mammal () is a vertebrate animal of the Class (biology), class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three ...

species. Of all evaluated mammalian species, 14% are listed as data deficient. The IUCN also lists 30 mammalian subspecies as data deficient. Of the subpopulations of mammals evaluated by the IUCN, four species and/or subpopulations have been assessed as data deficient. This is a complete list of data deficient mammalian species and subspecies evaluated by the IUCN. Species and subspecies which have data deficient 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 Primates is an order of mammals, which is further divided into the strepsirrhines, which include lemurs, galagos, and lorisids; and the haplorhines, which include tarsiers and simians ( monkeys and apes). Primates arose 74–63 ...

There are 20 species and 26 subspecies of primate evaluated as data deficient.

Gibbons Gibbons may refer to: * Gibbon, an ape in the family Hylobatidae * Gibbons (surname) * Gibbons, Alberta Gibbons is a town in central Alberta, Canada. It is located on Alberta Highway 28A, Highway 28A, northeast of Edmonton. Gibbons is situate ...

Subspecies *

Yunnan lar gibbon The Yunnan lar gibbon (''Hylobates lar yunnanensis''), also known as the Yunnan white-handed gibbon, is a subspecies of the lar gibbon, a primate in the gibbon family, Hylobatidae. This Chinese subspecies is thought to be extinct.Grueter et al. ...

Lemurs Lemurs ( ; from Latin ) 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 Madagascar. Most existing lemurs are s ...

Species * Lesser iron-gray dwarf lemur Subspecies * Ranomafana bamboo lemur

Tarsiers Tarsiers ( ) are haplorhine primates of the family Tarsiidae, which is the lone extant family within the infraorder Tarsiiformes. Although the group was prehistorically more globally widespread, all of the existing species are restricted to Ma ...

* Lariang tarsier

Old World monkeys Old World monkeys are primates in the family (biology), family Cercopithecidae (). Twenty-four genus, genera and 138 species are recognized, making it the largest primate family. Old World monkey genera include baboons (genus ''Papio''), red colo ...

Species * Osman Hill's mangabey 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 Ceboide ...

Species Subspecies

Cetartiodactyls

Cetartiodactyla includes dolphins, whales and even-toed ungulates. There are 61 species, one subspecies, and three subpopulations of cetartiodactyl evaluated as data deficient.

Non-cetacean even-toed ungulates

Cetaceans Cetacea (; , ) is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively c ...

There are 45 species, one subspecies, and three subpopulations of cetacean evaluated as data deficient.

Oceanic dolphins Oceanic dolphins or Delphinidae are a widely distributed family of dolphins that live in the sea. Close to forty extant species are recognised. They include several big species whose common names contain "whale" rather than "dolphin", such as the ...

Species Subpopulations *

Long-finned pilot whale The long-finned pilot whale, or pothead whale (''Globicephala melas'') is a large species of oceanic dolphin. It shares the genus ''Pilot whale, Globicephala'' with the short-finned pilot whale (''Globicephala macrorhynchus''). Long-finned pilo ...

(1 subpopulation) *

Risso's dolphin Risso's dolphin (''Grampus griseus'') is a marine mammal and dolphin, the only species of the genus ''Grampus''. Some of the most closely related species to these dolphins include: pilot whales (''Globicephala'' spp.), pygmy killer whales (''Fere ...

(1 subpopulation)

Beaked whales Beaked whales (systematic name Ziphiidae) are a family of cetaceans noted as being one of the least-known groups of mammals because of their deep-sea habitat, reclusive behavior and apparent low abundance. Only three or four of the 24 existing s ...

Species Subpopulations *

Cuvier's beaked whale Cuvier's beaked whale, goose-beaked whale, or ziphius (''Ziphius cavirostris'') is the most widely distributed of all beaked whales in the family Beaked whale, Ziphiidae. It is smaller than most baleen whales—and indeed the larger Toothed whal ...

(1 subpopulation)

Other cetaceans

Species Subspecies *

Pygmy blue whale The pygmy blue whale (''Balaenoptera musculus brevicauda'') is a subspecies of the blue whale (''Balaenoptera musculus'') found in the Indian Ocean and the Southern Pacific Ocean. Taxonomy The pygmy blue whale formed from a founder group of An ...

Marsupials Marsupials are a diverse group of mammals belonging to the infraclass Marsupialia. They are natively found in Australasia, Wallacea, and the Americas. One of marsupials' unique features is their reproductive strategy: the young are born in a ...

Carnivora Carnivora ( ) is an order of placental mammals specialized primarily in eating flesh, whose members are formally referred to as carnivorans. The order Carnivora is the sixth largest order of mammals, comprising at least 279 species. Carnivor ...

Species

Afrosoricida The clade Afrosoricida (a Latin-Greek compound name which means "looking like African shrews") contains the golden moles of Southern Africa, the otter shrews of equatorial Africa and the tenrecs of Madagascar. These three groups of small mamma ...

Pilosa The Order (biology), order Pilosa is a clade of xenarthran placental mammals, native to the Americas. It includes anteaters and sloths (which include the extinct ground sloths). The name comes from the Latin word for "hairy". Origins and taxon ...

Subpopulations *

Silky anteater The silky anteater, also known as the pygmy anteater, has traditionally been considered a single species of anteater, ''Cyclopes didactylus'', in the genus ''Cyclopes'', the only living genus in the family Cyclopedidae. Found in southern Mexico ...

(1 subpopulation)

Eulipotyphla Eulipotyphla (, from '' eu-'' + '' Lipotyphla'', meaning truly lacking blind gut; sometimes called true insectivores) is an order of mammals comprising the Erinaceidae ( hedgehogs and gymnures); Solenodontidae (solenodons); Talpidae ( mole ...

There are 83 species in the order Eulipotyphla evaluated as data deficient.

Shrews Shrews (family Soricidae) are small mole-like mammals classified in the order Eulipotyphla. True shrews are not to be confused with treeshrews, otter shrews, elephant shrews, West Indies shrews, or marsupial shrews, which belong to diffe ...

Erinaceids

* Long-eared gymnure

Talpids

Lagomorpha The lagomorphs () are the members of the taxonomic order Lagomorpha, of which there are two living families: the Leporidae (rabbits and hares) and the Ochotonidae ( pikas). There are 110 recent species of lagomorph, of which 109 species in t ...

Rodents 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 n ...

There are 380 rodent species evaluated as data deficient.

Hystricomorpha Hystricomorpha (from Greek ὕστριξ, ''hystrix'' 'porcupine' and Greek μορφή, ''morphē'' 'form') is a term referring to families and orders of rodents which has had many definitions throughout its history. In the broadest sense, it ref ...

There are 82 species in Hystricomorpha evaluated as data deficient.

Tuco-tucos A tuco-tuco is a neotropical rodent in the family Ctenomyidae. Tuco-tucos belong to the only living genus of the family Ctenomyidae, ''Ctenomys'', but they include approximately 60 different species. The common name, "tuco-tuco", comes from the " ...

Chinchilla rats

Dasyproctids

Neotropical spiny rat species

New World porcupines

Other Hystricomorpha species

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 t ...

There are 245 species in Myomorpha evaluated as data deficient.

Murids

Cricetids

Nesomyids

Spalacids

Dipodids

Mouse-like hamsters 200px, A mouse-like hamster 200px, Mouse-like hamster using its tail for balance while standing on a branch Mouse-like hamsters, also called brush-tailed mice or calomyscids, are a group of small rodents belonging to the genus ''Calomyscus'' fo ...

* Noble mouse-like hamster * Tsolov's mouse-like hamster

Castorimorpha Castorimorpha is the suborder of rodents containing the beavers, gophers 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 sprin ...

* Lined pocket mouse * Oaxacan pocket gopher

Sciuromorpha Sciuromorpha ( 'squirrel-like') is a rodent Order (biology), suborder that includes several rodent Family (biology), families. It includes all members of the Sciuridae (the squirrel family) as well as the mountain beaver species. Traditionally, ...

There are 50 species in Sciuromorpha evaluated as data deficient.

Sciurids

Dormice A dormouse is a rodent of the family (biology), family Gliridae (this family is also variously called Myoxidae or Muscardinidae by different taxonomists). Dormice are nocturnal animals found in Africa, Asia, and Europe. They are named for their ...

Anomaluromorpha Anomaluromorpha is a clade that unites the anomalures, springhares, and zenkerella. It has alternately been designated as either a suborder or infraorder. Most recently, recognized it as one of five suborders of rodents. Characteristics T ...

Pel's flying squirrel Pel's flying squirrel or Pel's scaly-tailed squirrel (''Anomalurus pelii'') is a species of rodent in the family Anomaluridae. It is found in Liberia, Ivory Coast, and Ghana, where it lives in lowland tropical rainforests. It is named after He ...

Cingulata Cingulata, part of the superorder Xenarthra, is an order of armored New World placental mammals. The armadillos, whose species are split between the families Dasypodidae and Chlamyphoridae, are the only surviving members of the order. Two grou ...

Bats Bats are flying mammals of the order Chiroptera (). With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most birds, flying with their very long spread-out ...

There are 191 species and one subspecies of bat evaluated as data deficient.

Megabats Megabats constitute the family Pteropodidae of the order Chiroptera. They are also called fruit bats, Old World fruit bats, or—especially the genera '' Acerodon'' and ''Pteropus''— flying foxes. They are the only member of the superfa ...

Microbats Microbats constitute the suborder Microchiroptera within the order Chiroptera (bats). Bats have long been differentiated into Megachiroptera (megabats) and Microchiroptera, based on their size, the use of echolocation by the Microchiroptera and ...

There are 171 species and one subspecies of microbat evaluated as data deficient.

Old World leaf-nosed bats

Species Subspecies * Philippine tailless leaf-nosed bat

Horseshoe bats Horseshoe bats are bats in the family Rhinolophidae. In addition to the single living genus, ''Rhinolophus'', which has about 106 species, the extinct genus '' Palaeonycteris'' has been recognized. Horseshoe bats are closely related to the Old ...

Vesper bats Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilionid family is the most diverse and widely distributed of bat familie ...

Long-fingered bats

Sac-winged bats

Free-tailed bats

Leaf-nosed bats

Slit-faced bats

Mouse-tailed bats

Macinnes's mouse-tailed bat The Macinnes's mouse-tailed bat (''Rhinopoma macinnesi'') is a species of bat in the Rhinopomatidae family. It is found in Ethiopia, Kenya, Somalia, and Uganda. Its natural habitats are subtropical or tropical dry shrubland, and hot and temperate ...

Disc-winged bats

*'' Thyroptera devivoi'' * LaVal's disk-winged bat

Elephant shrews Elephant shrews, also called jumping shrews or sengis, are small insectivorous mammals native to Africa, belonging to the family Macroscelididae, in the order Macroscelidea. Their traditional common English name "elephant shrew" comes from a perc ...

Treeshrews

References

*Mammals Data deficient mammals Data deficient mammals {{bots, deny=BG19bot,Yobot

Primates Primates is an order of mammals, which is further divided into the strepsirrhines, which include lemurs, galagos, and lorisids; and the haplorhines, which include tarsiers and simians ( monkeys and apes). Primates arose 74–63 ...

Gibbons Gibbons may refer to: * Gibbon, an ape in the family Hylobatidae * Gibbons (surname) * Gibbons, Alberta Gibbons is a town in central Alberta, Canada. It is located on Alberta Highway 28A, Highway 28A, northeast of Edmonton. Gibbons is situate ...

Lemurs Lemurs ( ; from Latin ) 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 Madagascar. Most existing lemurs are s ...

Tarsiers Tarsiers ( ) are haplorhine primates of the family Tarsiidae, which is the lone extant family within the infraorder Tarsiiformes. Although the group was prehistorically more globally widespread, all of the existing species are restricted to Ma ...

Old World monkeys Old World monkeys are primates in the family (biology), family Cercopithecidae (). Twenty-four genus, genera and 138 species are recognized, making it the largest primate family. Old World monkey genera include baboons (genus ''Papio''), red colo ...

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 Ceboide ...

Cetaceans Cetacea (; , ) is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively c ...

Oceanic dolphins Oceanic dolphins or Delphinidae are a widely distributed family of dolphins that live in the sea. Close to forty extant species are recognised. They include several big species whose common names contain "whale" rather than "dolphin", such as the ...

Beaked whales Beaked whales (systematic name Ziphiidae) are a family of cetaceans noted as being one of the least-known groups of mammals because of their deep-sea habitat, reclusive behavior and apparent low abundance. Only three or four of the 24 existing s ...

Other cetaceans

Marsupials Marsupials are a diverse group of mammals belonging to the infraclass Marsupialia. They are natively found in Australasia, Wallacea, and the Americas. One of marsupials' unique features is their reproductive strategy: the young are born in a ...

Carnivora Carnivora ( ) is an order of placental mammals specialized primarily in eating flesh, whose members are formally referred to as carnivorans. The order Carnivora is the sixth largest order of mammals, comprising at least 279 species. Carnivor ...

Afrosoricida The clade Afrosoricida (a Latin-Greek compound name which means "looking like African shrews") contains the golden moles of Southern Africa, the otter shrews of equatorial Africa and the tenrecs of Madagascar. These three groups of small mamma ...

Pilosa The Order (biology), order Pilosa is a clade of xenarthran placental mammals, native to the Americas. It includes anteaters and sloths (which include the extinct ground sloths). The name comes from the Latin word for "hairy". Origins and taxon ...

Eulipotyphla Eulipotyphla (, from '' eu-'' + '' Lipotyphla'', meaning truly lacking blind gut; sometimes called true insectivores) is an order of mammals comprising the Erinaceidae ( hedgehogs and gymnures); Solenodontidae (solenodons); Talpidae ( mole ...

Shrews Shrews (family Soricidae) are small mole-like mammals classified in the order Eulipotyphla. True shrews are not to be confused with treeshrews, otter shrews, elephant shrews, West Indies shrews, or marsupial shrews, which belong to diffe ...

Lagomorpha The lagomorphs () are the members of the taxonomic order Lagomorpha, of which there are two living families: the Leporidae (rabbits and hares) and the Ochotonidae ( pikas). There are 110 recent species of lagomorph, of which 109 species in t ...

Rodents 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 n ...

Hystricomorpha Hystricomorpha (from Greek ὕστριξ, ''hystrix'' 'porcupine' and Greek μορφή, ''morphē'' 'form') is a term referring to families and orders of rodents which has had many definitions throughout its history. In the broadest sense, it ref ...

Tuco-tucos A tuco-tuco is a neotropical rodent in the family Ctenomyidae. Tuco-tucos belong to the only living genus of the family Ctenomyidae, ''Ctenomys'', but they include approximately 60 different species. The common name, "tuco-tuco", comes from the " ...

Neotropical spiny rat species

Other Hystricomorpha species

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 t ...

Mouse-like hamsters 200px, A mouse-like hamster 200px, Mouse-like hamster using its tail for balance while standing on a branch Mouse-like hamsters, also called brush-tailed mice or calomyscids, are a group of small rodents belonging to the genus ''Calomyscus'' fo ...

Castorimorpha Castorimorpha is the suborder of rodents containing the beavers, gophers 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 sprin ...

Sciuromorpha Sciuromorpha ( 'squirrel-like') is a rodent Order (biology), suborder that includes several rodent Family (biology), families. It includes all members of the Sciuridae (the squirrel family) as well as the mountain beaver species. Traditionally, ...

Dormice A dormouse is a rodent of the family (biology), family Gliridae (this family is also variously called Myoxidae or Muscardinidae by different taxonomists). Dormice are nocturnal animals found in Africa, Asia, and Europe. They are named for their ...

Anomaluromorpha Anomaluromorpha is a clade that unites the anomalures, springhares, and zenkerella. It has alternately been designated as either a suborder or infraorder. Most recently, recognized it as one of five suborders of rodents. Characteristics T ...

Cingulata Cingulata, part of the superorder Xenarthra, is an order of armored New World placental mammals. The armadillos, whose species are split between the families Dasypodidae and Chlamyphoridae, are the only surviving members of the order. Two grou ...

Bats Bats are flying mammals of the order Chiroptera (). With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most birds, flying with their very long spread-out ...

Megabats Megabats constitute the family Pteropodidae of the order Chiroptera. They are also called fruit bats, Old World fruit bats, or—especially the genera '' Acerodon'' and ''Pteropus''— flying foxes. They are the only member of the superfa ...

Microbats Microbats constitute the suborder Microchiroptera within the order Chiroptera (bats). Bats have long been differentiated into Megachiroptera (megabats) and Microchiroptera, based on their size, the use of echolocation by the Microchiroptera and ...

Horseshoe bats Horseshoe bats are bats in the family Rhinolophidae. In addition to the single living genus, ''Rhinolophus'', which has about 106 species, the extinct genus '' Palaeonycteris'' has been recognized. Horseshoe bats are closely related to the Old ...

Vesper bats Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilionid family is the most diverse and widely distributed of bat familie ...

Elephant shrews Elephant shrews, also called jumping shrews or sengis, are small insectivorous mammals native to Africa, belonging to the family Macroscelididae, in the order Macroscelidea. Their traditional common English name "elephant shrew" comes from a perc ...

See also

References