In September 2016, the International Union for Conservation of Nature (IUCN) listed 783 data deficient mammalian species. Of all evaluated mammalian species, 14% are listed as data deficient. The IUCN also lists 31 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 There are 20 species and 26 subspecies of primate evaluated as data deficient. Gibbons
Subspecies Yunnan lar gibbon
Lemurs
Species Lesser iron-gray dwarf lemur
Tarsiers Lariang tarsier
Old World monkeys
Species Osman Hill's mangabey Subspecies
New World monkeys
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 There are 45 species, one subspecies, and three subpopulations of cetacean evaluated as data deficient. Oceanic dolphins
Species
Subpopulations Long-finned pilot whale (1 subpopulation) Risso's dolphin (1 subpopulation)
Beaked whales
Species
Subpopulations Cuvier's beaked whale (1 subpopulation)
Other cetaceans
Species
Subspecies Pygmy blue whale
Marsupials
Carnivora
Species
Mongooses
Mustelids
Vietnam ferret-badger Sichuan weasel Tonkin weasel
Viverrids Abyssinian genet King genet Subspecies Arctictis binturong kerkhoveni
Afrosoricida
Pilosa
Subpopulations Silky anteater (1 subpopulation)
Eulipotyphla There are 83 species in the order Eulipotyphla evaluated as data deficient. Shrews
Erinaceids Long-eared gymnure
Talpids
Lagomorpha
Rodents There are 380 rodent species evaluated as data deficient. Hystricomorpha There are 82 species in Hystricomorpha evaluated as data deficient. Tuco-tucos
Chinchilla rats
Dasyproctids
Neotropical spiny rat species
New World porcupines
Other Hystricomorpha species
Myomorpha There are 245 species in Myomorpha evaluated as data deficient. Murids
Cricetids
Nesomyids
Dipodids
Mouse-like hamsters Tsolov's mouse-like hamster
Castorimorpha Lined pocket mouse
Sciuromorpha There are 50 species in Sciuromorpha evaluated as data deficient. Sciurids
Dormice
Cingulata
Bats There are 191 species and one subspecies of bat evaluated as data deficient. Megabats
Microbats 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
Vesper bats
Long-fingered bats
Sac-winged bats
Free-tailed bats
Leaf-nosed bats
Slit-faced bats
Mouse-tailed bats Macinnes's mouse-tailed bat
Disc-winged bats De Vivo's disk-winged bat LaVal's disk-winged bat
Elephant shrews
Treeshrews
See also Lists of IUCN Red List data deficient species List of least concern mammals List of near threatened mammals List of vulnerable mammals List of endangered mammals List of critically endangered mammals List of recently extinct mammals
References