As of September 2016, the International Union for Conservation of Nature (IUCN) lists 3117 least concern mammalian species. [1] 56% of all evaluated mammalian species are listed as least concern. The IUCN also lists 127 mammalian subspecies as least concern.
Of the subpopulations of mammals evaluated by the IUCN, one species subpopulation has been assessed as least concern.
This is a complete list of least concern mammalian species and subspecies evaluated by the IUCN. Species and subspecies which have least concern 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 115 species and 96 subspecies of primate assessed as least concern.
Species
Subspecies
There are 60 species and 39 subspecies of New World monkey assessed as least concern.
Species
Subspecies
Species
Subspecies
Includes the titis, saki monkeys and uakaris.
Species
Subspecies
Species
Subspecies
There are 21 species and 15 subspecies in Lorisoidea assessed as least concern.
Species
Subspecies
Species
Subspecies
Species
Cetartiodactyla includes dolphins, whales and even-toed ungulates. There are 118 species and 15 subspecies of cetartiodactyl assessed as least concern.
There are 96 species and 15 subspecies of non-cetacean even-toed ungulate assessed as least concern.
Subspecies
Species
Subspecies
There are 192 marsupial species assessed as least concern.
There are 65 species in the order Diprotodontia assessed as least concern.
There are 175 species, 14 subspecies, and one subpopulation in the order Carnivora assessed as least concern.
Species
Subspecies
Species
Subspecies
Subpopulations
Subspecies
Subspecies
Afrosoricida includes tenrecs and golden moles. There are 32 species in the order Afrosoricida assessed as least concern.
Anteaters and sloths
There are 271 species in the order Eulipotyphla assessed as least concern.
Lagomorpha comprises rabbits and relatives. There are 59 species in the order Lagomorpha assessed as least concern.
There are 1399 species and two subspecies of rodent assessed as least concern.
There are 132 species in Hystricomorpha assessed as least concern.
There are 981 species in Myomorpha assessed as least concern.
Includes mice, rats, gerbils, and relatives.
Includes true hamsters, voles, lemmings, and New World rats and mice.
There are 79 species and two subspecies in Castorimorpha assessed as least concern.
Species
Subspecies
There are 199 species in Sciuromorpha assessed as least concern.
Squirrels, chipmunks, marmots, susliks and prairie dogs
("Anomalure-like")
There are 695 bat species assessed as least concern.
There are 609 microbat species assessed as least concern.
Includes ghost-faced bats, moustached bats, and naked-backed bats.