This is a list of mammals in Illinois. A total of 70 species are listed. Species currently extirpated in the state include the white-tailed jackrabbit, American black bear, gray wolf, elk, American marten, cougar, fisher, North American porcupine, wolverine, and American bison.
The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature: Extinct No reasonable doubt that the last individual has died. Extinct in the wild Known only to survive in captivity or as a naturalized populations well outside its previous range. Critically endangered The species is in imminent risk of extinction in the wild. Endangered The species is facing an extremely high risk of extinction in the wild. Vulnerable The species is facing a high risk of extinction in the wild. Near threatened The species does not meet any of the criteria that would categorize it as risking extinction but it is likely to do so in the future. Least concern There are no current identifiable risks to the species. Data deficient There is inadequate information to make an assessment of the risks to this species.
Opossums
Family Didelphidae (opossums) Subfamily: Didelphinae Genus: Didelphis Virginia opossum, D. virginiana
Armadillos Family Dasypodidae (armadillos) Genus: Dasypus Nine-banded armadillo, D. novemcinctus
Insectivores
Eulipotyphlans are insectivorous mammals. Shrews closely resemble mice, while moles are stout-bodied burrowers. Family Soricidae (shrews) Genus: Blarina Northern short-tailed shrew, B. brevicauda Southern short-tailed shrew, B. carolinensis Genus: Cryptotis North American least shrew, C. parva Genus: Sorex Cinereus shrew, S. cinereus Southeastern shrew, S. longirostris Family Talpidae (moles) Genus: Scalopus Eastern mole, S. aquaticus
Rodents
Family Castoridae (beavers) Genus: Castor North American beaver, C. canadensis Family Cricetidae (New World mice, rats, voles, lemmings, muskrats) Genus: Microtus Prairie vole, M. ochrogaster Meadow vole, M. pennsylvanicus Woodland vole, M. pinetorum Genus: Oryzomys Marsh rice rat, O. palustris Genus: Ochrotomys Golden mouse, O. nuttalli Genus: Neotoma Eastern woodrat, N. floridana Genus: Ondatra Muskrat, O. zibethicus Genus: Peromyscus Cotton mouse, P. gossypinus White-footed mouse, P. leucopus Eastern deer mouse, P. maniculatus Genus: Reithrodontomys Western harvest mouse, R. megalotis Genus: Synaptomys Southern bog lemming, S. cooperi Family Dipodidae (jumping mice) Genus: Zapus Meadow jumping mouse, Z. hudsonius Family Erethizontidae (New World porcupines) Genus: Erethizon North American porcupine, E. dorsatum extirpated Family Muridae (Old World mice and rats) Genus: Mus House mouse, M. musculus introduced Genus: Rattus Brown rat, R. norvegicus introduced Family Sciuridae (squirrels) Genus: Glaucomys Southern flying squirrel, G. volans Genus: Marmota Groundhog, M. monax Genus: Sciurus Eastern gray squirrel, S. carolinensis Fox squirrel, S. niger Genus: Poliocitellus Franklin's ground squirrel, P. franklinii Genus: Tamiasciurus American red squirrel, T. hudsonicus Genus: Ictidomys Thirteen-lined ground squirrel, I. tridecemlineatus Genus: Tamias Eastern chipmunk, T. striatus Family Geomyidae (pocket gophers) Genus: Geomys Plains pocket gopher, G. bursarius
Lagomorphs
Family Lagomorpha (rabbits, hares and pikas) Genus: Lepus White-tailed jackrabbit, L. townsendii extirpated Genus: Sylvilagus Swamp rabbit, S. aquaticus Eastern cottontail, S. floridanus
Bats
Family Vespertilionidae (vesper bats) Genus: Corynorhinus Rafinesque's big-eared bat, C. rafinesquii Townsend's big-eared bat, C. townsendii Genus: Eptesicus Big brown bat, E. fuscus Genus: Lasionycteris Silver-haired bat, L. noctivagans Genus: Lasiurus Eastern red bat, L. borealis Hoary bat, L. cinereus Genus: Myotis Southeastern myotis, M. austroriparius Gray bat, M. grisescens Eastern small-footed myotis, M. leibii Little brown bat, M. lucifugus Northern long-eared bat, M. septentrionalis Indiana bat, M. sodalis Genus: Nycticeius Evening bat, N. humeralis Genus: Perimyotis Tricolored bat, P. subflavus
Carnivores
Family Canidae (canids) Genus: Canis Coyote, C. latrans Gray wolf, C. lupus extirpated Red wolf, C. rufus extirpated Genus: Urocyon Gray fox, U. cinereoargenteus Genus: Vulpes Red fox, V. vulpes Family Procyonidae (raccoons) Genus: Procyon Common raccoon, P. lotor Family Ursidae (bears) Genus: Ursus American black bear, U. americanus extirpated Family Felidae (cats) Genus: Lynx Bobcat, L. rufus Genus: Puma Cougar, P. concolor extirpated Eastern cougar, P. c. couguar Family Mustelidae (weasels, minks, martens, fishers, and otters) Genus: Lontra North American river otter, L. canadensis Genus: Martes American marten, M. americana extirpated Genus: Mustela Least weasel, M. nivalis Genus: Neogale Long-tailed weasel, N. frenata American mink, N. vison Genus: Pekania Fisher, P. pennanti extirpated Genus: Taxidea American badger, T. taxus Family Mephitidae (skunks) Genus: Mephitis Striped skunk, M. mephitis
Even-toed ungulates Family Cervidae (deer) Genus: Cervus Elk, C. canadensis extirpated Eastern elk, C. c. canadensis Genus: Odocoileus White-tailed deer, O. virginianus Family Bovidae (bovids) Genus: Bison American bison, B. bison extirpated Plains bison, B. b. bison extirpated
See also Lists of mammals by region List of U.S. state mammals List of birds of Illinois
References