List of data deficient mammals

In September 2016, the International Union for Conservation of Nature (IUCN) listed 783 data deficient mammalian species.^[1] 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.

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

Subspecies

• Yunnan lar gibbon

Species

• Lesser iron-gray dwarf lemur

Subspecies

• Ranomafana bamboo lemur

• Lariang tarsier

Species

• Osman Hill's mangabey

Subspecies

Species

Subspecies

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

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

Species

Subpopulations

• Long-finned pilot whale (1 subpopulation)
• Risso's dolphin (1 subpopulation)

Species

Subpopulations

• Cuvier's beaked whale (1 subpopulation)

Species

Subspecies

• Pygmy blue whale

Species

Includes tenrecs and golden moles.

Subpopulations

• Silky anteater (1 subpopulation)

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

• Long-eared gymnure

Rabbits and relatives

There are 380 rodent species evaluated as data deficient.

There are 82 species in Hystricomorpha evaluated as data deficient.

There are 245 species in Myomorpha evaluated as data deficient.

Includes mice, rats, gerbils, and relatives.

Includes true hamsters, voles, lemmings, and New World rats and mice.

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

• Lined pocket mouse
• Oaxacan pocket gopher

There are 50 species in Sciuromorpha evaluated as data deficient.

Squirrels, chipmunks, marmots, susliks and prairie dogs

• Pel's flying squirrel

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

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

Species

Subspecies

• Philippine tailless leaf-nosed bat

• Macinnes's mouse-tailed bat

• Thyroptera devivoi
• LaVal's disk-winged bat

• 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