There are 115 mammal species known to occur in Montana .[1] endangered or threatened and the Montana Department of Fish, Wildlife and Parks lists a number of species as species of concern .[2]
Grizzly bear , state mammal of MontanaSpecies are listed by common and scientific names, as per R. S. Hoffman and D. L. Pattie, A Guide to Montana Mammals , 1968.[3]
Family: Didelphidae (true opossums)
Family: Leporidae (rabbits and hares)
Family: Ochotonidae (pikas)
Mule deer Family : Antilocapridae (pronghorns)
Family : Bovidae (bovids)
Family : Cervidae (deer)
Black bear Family: Ursidae (bears)
Family: Procyonidae (procyonids)
Family: Felidae (cats)
Family: Canidae (canids)
Family: Mustelidae (mustelids)
Wolverine , Gulo gulo North American river otter , Lontra canadensis Pacific marten , Martes caurina Black-footed ferret , Mustela nigripes reintroducedLeast weasel , Mustela nivalis American ermine , Mustela richardsonii Long-tailed weasel , Neogale frenata American mink , Neogale vison Fisher , Pekania pennanti American badger , Taxidea taxus Family: Mephitidae (skunks)
Townsend's big-eared bat Family: Vespertilionidae (vesper bats[6]
Pallid bat , Antrozous pallidus Townsend's big-eared bat , Corynorhinus townsendii Big brown bat , Eptesicus fuscus Spotted bat , Euderma maculatum Silver-haired bat , Lasionycteris noctivagans Eastern red bat , Lasiurus borealis Hoary bat , Lasiurus cinereus California myotis , Myotis californicus Western small-footed myotis , Myotis ciliolabrum Long-eared myotis , Myotis evotis Little brown bat , Myotis lucifugus Northern myotis , Myotis septentrionalis Fringed myotis , Myotis thysanodes Long-legged bat , Myotis volans
Merriam's shrew Family : Soricidae
Northern short-tailed shrew , Blarina brevicauda Arizona shrew , Sorex arcticus Cinereus shrew , Sorex cinereus Hayden's shrew , Sorex haydeni American pygmy shrew , Sorex hoyi Merriam's shrew , Sorex merriami Montane shrew , Sorex monticolus Dwarf shrew , Sorex nanus American water shrew , Sorex palustris Preble's shrew , Sorex preblei Vagrant shrew , Sorex vagrans
Family: Castoridae (beavers)
Uinta chipmunk Black-tailed prairie dogs Family: Sciuridae (squirrels[8]
Golden-mantled ground squirrel , Callospermophilus lateralis White-tailed prairie dog , Cynomys leucurus Black-tailed prairie dog , Cynomys ludovicianus Northern flying squirrel , Glaucomys sabrinus Thirteen-lined ground squirrel , Ictidomys tridecemlineatus Hoary marmot , Marmota caligata Yellow-bellied marmot , Marmota flaviventris Yellow-pine chipmunk , Neotamias amoenus Least chipmunk , Neotamias minimus Red-tailed chipmunk , Neotamias ruficaudus Uinta chipmunk , Neotamias umbrinus Eastern gray squirrel , Sciurus carolinensis introducedEastern fox squirrel , Sciurus niger American red squirrel , Tamiasciurus hudsonicus Uinta ground squirrel , Urocitellus armatus Columbian ground squirrel , Urocitellus columbianus Wyoming ground squirrel , Urocitellus elegans Richardson's ground squirrel , Urocitellus richardsonii Ord's kangaroo rat Family: Heteromyidae (pocket mice and kangaroo rats[9]
Family: Geomyidae (pocket gophers)
Family: Dipodidae (jumping mice)
Muskrat Deer mouse Family: Cricetidae (New World mice and rats, voles, lemmings, muskrats[10]
Sagebrush vole , Lemmiscus curtatus Long-tailed vole , Microtus longicaudus Montane vole , Microtus montanus Prairie vole , Microtus ochrogaster Meadow vole , Microtus pennsylvanicus Water vole , Microtus richardsoni Southern red-backed vole , Myodes gapperi Bushy-tailed woodrat , Neotoma cinerea Muskrat , Ondatra zibethicus Northern grasshopper mouse , Onychomys leucogaster White-footed mouse , Peromyscus leucopus Western deer mouse , Peromyscus sonoriensis Heather vole , Phenacomys intermedius Western harvest mouse , Reithrodontomys megalotis Northern bog lemming , Synaptomys borealis Family: Muridae (Old World rats and mice)
Family: Echimyidae (spiny rats)
Family: Erethizontidae
Species of concern are native taxa that are at-risk due to declining population trends, threats to their habitats, restricted distribution, and/or other factors. Designation as a Montana Species of Concern or Potential Species of Concern is based on the Montana Status Rank, and is not a statutory or regulatory classification. Rather, these designations provide information that helps resource managers make proactive decisions regarding species conservation and data collection priorities."Species Status Codes" . Retrieved 20 November 2010 . Hoffman, R.S.; Pattie, D.L. (1968). A Guide to Montana Mammals . University of Montana Press.
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