There are 115 mammal

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

known to occur in

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...

. Among Montana's mammals, three are listed as

endangered An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and in ...

threatened Threatened species are any species (including animals, plants and fungi) which are vulnerable to endangerment in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of ''critical depensa ...

and the

Montana Department of Fish, Wildlife and Parks The Montana Department of Fish, Wildlife and Parks (MFWP) is a government agency in the executive branch state of Montana in the United States with responsibility for protecting sustainable fish, wildlife, and state-owned park resources in Montan ...

lists a number of species as ''species of concern''. Species are listed by common and scientific names, as per R. S. Hoffman and D. L. Pattie, ''A Guide to Montana Mammals'', 1968.

New World opossums (Order: Didelphimorphia)

Family: Didelphidae (true opossums) *

Virginia opossum The Virginia opossum (''Didelphis virginiana''), also known as the North American opossum, is the only opossum living north of Mexico, its range extending south into Central America. It is the northernmost marsupial in the world. In the United S ...

, ''Didelpis virginiana'' introduced

Lagomorphs (Order:
Lagomorpha The lagomorphs are the members of the taxonomic order Lagomorpha, of which there are two living families: the Leporidae (hares and rabbits) and the Ochotonidae ( pikas). The name of the order is derived from the Ancient Greek ''lagos'' (λαγ ...
)

Family:

Leporidae Leporidae is the family of rabbits and hares, containing over 60 species of extant mammals in all. The Latin word ''Leporidae'' means "those that resemble ''lepus''" (hare). Together with the pikas, the Leporidae constitute the mammalian order ...

(rabbits and hares) *

Pygmy rabbit The pygmy rabbit (''Brachylagus idahoensis'') is a rabbit species native to the United States. It is also the only native rabbit species in North America to dig its own burrow. The pygmy rabbit differs significantly from species within either ...

, ''Brachylagus idahoensis'' *

Snowshoe hare The snowshoe hare (''Lepus americanus''), also called the varying hare or snowshoe rabbit, is a species of hare found in North America. It has the name "snowshoe" because of the large size of its hind feet. The animal's feet prevent it from sin ...

, ''Lepus americanus'' *

Black-tailed jackrabbit The black-tailed jackrabbit (''Lepus californicus''), also known as the American desert hare, is a common hare of the western United States and Mexico, where it is found at elevations from sea level up to . Reaching a length around , and a ...

, ''Lepus californicus'' *

White-tailed jackrabbit The white-tailed jackrabbit (''Lepus townsendii''), also known as the prairie hare and the white jack, is a species of hare found in western North America. Like all hares and rabbits, it is a member of the family Leporidae of order Lagomorpha ...

, ''Lepus townsendii'' *

Desert cottontail The desert cottontail (''Sylvilagus audubonii''), also known as Audubon's cottontail, is a New World cottontail rabbit, and a member of the family Leporidae. Unlike the European rabbit (''Oryctolagus cuniculus''), they do not form social burrow s ...

, ''Sylvilagus audubonii'' *

Eastern cottontail The eastern cottontail (''Sylvilagus floridanus'') is a New World cottontail rabbit, a member of the family Leporidae. It is the most common rabbit species in North America. Distribution The eastern cottontail can be found in meadows and shrubb ...

, ''Sylvilagus floridanus'' * Mountain cottontail, ''Sylvilagus nuttallii'' Family: Ochotonidae (pikas) *

American pika The American pika (''Ochotona princeps''), a diurnal species of pika, is found in the mountains of western North America, usually in boulder fields at or above the tree line. They are herbivorous, smaller relatives of rabbits and hares. Pikas ...

, ''Ochotona princeps''

Even-toed ungulates (''Order'':
Artiodactyla The even-toed ungulates (Artiodactyla , ) are ungulates—hoofed animals—which bear weight equally on two (an even number) of their five toes: the third and fourth. The other three toes are either present, absent, vestigial, or pointing poster ...
)

Mule buck doe elk creek r myatt (5489811074)

Family:

Antilocapridae The Antilocapridae are a family of artiodactyls endemic to North America. Their closest extant relatives are the giraffids with which they comprise the superfamily Giraffoidea. Only one species, the pronghorn (''Antilocapra americana''), is ...

(pronghorns) *

Pronghorn The pronghorn (, ) (''Antilocapra americana'') is a species of artiodactyl (even-toed, hoofed) mammal indigenous to interior western and central North America. Though not an antelope, it is known colloquially in North America as the American a ...

, ''Antilocapra americana'' Family:

Bovidae The Bovidae comprise the biological family of cloven-hoofed, ruminant mammals that includes cattle, bison, buffalo, antelopes, and caprines. A member of this family is called a bovid. With 143 extant species and 300 known extinct species, t ...

(bovids) *

American bison The American bison (''Bison bison'') is a species of bison native to North America. Sometimes colloquially referred to as American buffalo or simply Bubalina, buffalo (a different clade of bovine), it is one of two extant species of bison, alongs ...

, ''Bison bison'' *

Mountain goat The mountain goat (''Oreamnos americanus''), also known as the Rocky Mountain goat, is a hoofed mammal endemic to mountainous areas of western North America. A subalpine to alpine species, it is a sure-footed climber commonly seen on cliffs an ...

, ''Oreamnos americanus'' *

Bighorn sheep The bighorn sheep (''Ovis canadensis'') is a species of sheep native to North America. It is named for its large horns. A pair of horns might weigh up to ; the sheep typically weigh up to . Recent genetic testing indicates three distinct subspec ...

, ''Ovis canadensis'' Family:

Cervidae Deer or true deer are hoofed ruminant mammals forming the family Cervidae. The two main groups of deer are the Cervinae, including the muntjac, the elk (wapiti), the red deer, and the fallow deer; and the Capreolinae, including the reind ...

(deer) *

Moose The moose (in North America) or elk (in Eurasia) (''Alces alces'') is a member of the New World deer subfamily and is the only species in the genus ''Alces''. It is the largest and heaviest extant species in the deer family. Most adult ma ...

, ''Alces alces'' * Elk, ''Cervus canadensis'' * Caribou, ''Rangifer tarandus'' extirpated, vagrant **

Boreal woodland caribou The boreal woodland caribou (''Rangifer tarandus caribou''; but subject to a recent taxonomic revision. See Reindeer: taxonomy), also known as woodland caribou, boreal forest caribou and forest-dwelling caribou, is a North American subspecies of ...

, ''R. t. caribou'' extirpated, vagrant *

Mule deer The mule deer (''Odocoileus hemionus'') is a deer indigenous to western North America; it is named for its ears, which are large like those of the mule. Two subspecies of mule deer are grouped into the black-tailed deer. Unlike the related whi ...

, ''Odocoileus hemionus'' *

White-tailed deer The white-tailed deer (''Odocoileus virginianus''), also known as the whitetail or Virginia deer, is a medium-sized deer native to North America, Central America, and South America as far south as Peru and Bolivia. It has also been introduced t ...

, ''Odocoileus virginianius''

Carnivorans (Order: Carnivora)

Family:

Ursidae Bears are carnivoran mammals of the family Ursidae. They are classified as caniforms, or doglike carnivorans. Although only eight species of bears are extant, they are widespread, appearing in a wide variety of habitats throughout the Nort ...

(bears) * American black bear, ''Ursus americanus'' *

Brown bear The brown bear (''Ursus arctos'') is a large bear species found across Eurasia and North America. In North America, the populations of brown bears are called grizzly bears, while the subspecies that inhabits the Kodiak Islands of Alaska is ...

, ''Ursus arctos'' ** Grizzly bear, ''U. a. horribilis'' Family: Procyonidae (procyonids) *

Raccoon The raccoon ( or , ''Procyon lotor''), sometimes called the common raccoon to distinguish it from other species, is a mammal native to North America. It is the largest of the procyonid family, having a body length of , and a body weight of ...

, ''Procyon lotor'' Family: Felidae (cats) *

Canada lynx The Canada lynx (''Lynx canadensis''), or Canadian lynx, is a medium-sized North American lynx that ranges across Alaska, Canada, and northern areas of the contiguous United States. It is characterized by its long, dense fur, triangular ears ...

, ''Lynx canadensis'' * Bobcat, ''Lynx rufus'' * Cougar, ''Puma concolor'' Family: Canidae (canids) * Coyote, ''Canis latrans'' * Gray wolf, ''Canis lupus'' ** Northern Rocky Mountain wolf, ''C. l. irremotus'' **

Great Plains wolf The Great Plains wolf (''Canis lupus nubilus''), also known as the buffalo wolf or loafer, is a subspecies of gray wolf that once extended throughout the Great Plains, from southern Manitoba and Saskatchewan in Canada southward to northern Texas ...

, ''C. l. nubilus'' extinct **

Northwestern wolf The northwestern wolf (''Canis lupus occidentalis''), also known as the Mackenzie Valley wolf, Alaskan timber wolf, or Canadian timber wolf, is a subspecies of gray wolf in western North America. Arguably the largest grey wolf subspecies in the ...

, ''C. l. occidentalus'' introduced *

Gray fox The gray fox (''Urocyon cinereoargenteus''), or grey fox, is an omnivorous mammal of the family Canidae, widespread throughout North America and Central America. This species and its only congener, the diminutive island fox (''Urocyon littor ...

, ''Urocyon cinereoargentus'' *

Swift fox The swift fox (''Vulpes velox'') is a small light orange-tan fox around the size of a domestic cat found in the western grasslands of North America, such as Montana, Colorado, New Mexico, Kansas, Oklahoma and Texas. It also lives in southern M ...

, ''Vulpes velox'' * Red fox, ''Vulpes vulpes'' Family:

Mustelidae The Mustelidae (; from Latin ''mustela'', weasel) are a family of carnivorous mammals, including weasels, badgers, otters, ferrets, martens, minks and wolverines, among others. Mustelids () are a diverse group and form the largest family in th ...

(mustelids) *

Wolverine The wolverine (), (''Gulo gulo''; ''Gulo'' is Latin for " glutton"), also referred to as the glutton, carcajou, or quickhatch (from East Cree, ''kwiihkwahaacheew''), is the largest land-dwelling species of the family Mustelidae. It is a muscul ...

, ''Gulo gulo'' *

North American river otter The North American river otter (''Lontra canadensis''), also known as the northern river otter and river otter, is a semiaquatic mammal that only lives on the North American continent, along its waterways and coasts. An adult North American rive ...

, ''Lontra canadensis'' *

Pacific marten The Pacific marten (''Martes caurina'') is a species of North American mammal, a member of the family Mustelidae. It is found throughout western North America. Taxonomy The species was formerly considered conspecific with the American marten ...

, ''Martes caurina'' * Black-footed ferret, ''Mustela nigripes'' reintroduced * Least weasel, ''Mustela nivalis'' * American ermine, ''Mustela richardsonii'' *

Long-tailed weasel The long-tailed weasel (''Neogale frenata''), also known as the bridled weasel, masked ermine, or big stoat, is a species of mustelid distributed from southern Canada throughout all the United States and Mexico, southward through all of Central A ...

, ''Neogale frenata'' *

American mink The American mink (''Neogale vison'') is a semiaquatic species of mustelid native to North America, though human intervention has expanded its range to many parts of Europe, Asia and South America. Because of range expansion, the American mink i ...

, ''Neogale vison'' *

Fisher Fisher is an archaic term for a fisherman, revived as gender-neutral. Fisher, Fishers or The Fisher may also refer to: Places Australia *Division of Fisher, an electoral district in the Australian House of Representatives, in Queensland *Elect ...

, ''Pekania pennanti'' *

American badger The American badger (''Taxidea taxus'') is a North American badger similar in appearance to the European badger, although not closely related. It is found in the western, central, and northeastern United States, northern Mexico, and south-cent ...

, ''Taxidea taxus'' Family:

Mephitidae Mephitidae is a family of mammals comprising the skunks and stink badgers. They are noted for the great development of their anal scent glands, which they use to deter predators. Skunks were formerly classified as a subfamily of the Mustelidae ...

(skunks) * Striped skunk, ''Mephitis mephitis'' *

Western spotted skunk The western spotted skunk (''Spilogale gracilis'') is a spotted skunk of western North America. Description With a total length of , the western spotted skunk is smaller than the striped skunk (''Mephitis mephitis''). Males, which weigh , are s ...

, ''Spilogale gracilis''

Bats (Order:
Chiroptera Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most bir ...
)

Family:

Vespertilionidae Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilionid family is the most diverse and widely distributed of bat famili ...

(vesper bats) * Pallid bat, ''Antrozous pallidus'' *

Townsend's big-eared bat Townsend's big-eared bat (''Corynorhinus townsendii'') is a species of vesper bat. Description Townsend's big-eared bat is a medium-sized bat (7-12 g)

, ''Corynorhinus townsendii'' *

Big brown bat The big brown bat (''Eptesicus fuscus'') is a species of vesper bat distributed widely throughout North America, the Caribbean, and the northern portion of South America. It was first described as a species in 1796. Compared to other microbat ...

, ''Eptesicus fuscus'' * Spotted bat, ''Euderma maculatum'' *

Silver-haired bat The silver-haired bat (''Lasionycteris noctivagans'') is a solitary migratory species of vesper bat in the family Vespertilionidae and the only member of the genus ''Lasionycteris''. Etymology The species name translates as night-wandering, ref ...

, ''Lasionycteris noctivagans'' *

Eastern red bat The eastern red bat (''Lasiurus borealis'') is a species of microbat in the family Vespertilionidae. Eastern red bats are widespread across eastern North America, with additional records in Bermuda. Taxonomy and etymology It was described in 1 ...

, ''Lasiurus borealis'' *

Hoary bat The hoary bat (''Lasiurus cinereus'') is a species of bat in the vesper bat family, Vespertilionidae. It lives throughout most of North America (possibly including Hawaii, although this is disputed). Taxonomy The hoary bat was described as a ...

, ''Lasiurus cinereus'' *

California myotis The California myotis (''Myotis californicus'') is a species of vesper bat. It is found in British Columbia in Canada, Guatemala, Mexico, and in the western United States, including California. Description The California myotis is a small (70– ...

, ''Myotis californicus'' * Western small-footed myotis, ''Myotis ciliolabrum'' *

Long-eared myotis The long-eared myotis (''Myotis evotis'') is a species of vesper bat in the suborder Microchiroptera. It can be found in western Canada, the western United States, and Baja California in Mexico. Description The long-eared myotis is a pale brown ...

, ''Myotis evotis'' *

Little brown bat The little brown bat or little brown myotis (''Myotis lucifugus'') is an endangered species of mouse-eared microbat found in North America. It has a small body size and glossy brown fur. It is similar in appearance to several other mouse-ea ...

, ''Myotis lucifugus'' * Northern myotis, ''Myotis septentrionalis'' * Fringed myotis, ''Myotis thysanodes'' * Long-legged bat, ''Myotis volans''

Shrews (Order:
Eulipotyphla Eulipotyphla (, which means "truly fat and blind") is an order of mammals suggested by molecular methods of phylogenetic reconstruction, which includes the laurasiatherian members of the now-invalid polyphyletic order Lipotyphla, but not the ...
)

Family: Soricidae *

Northern short-tailed shrew The northern short-tailed shrew (''Blarina brevicauda'') is the largest shrew in the genus ''Blarina'', and occurs in the northeastern region of North America. It is a semifossorial, highly active, and voracious insectivore and is present in a v ...

, ''Blarina brevicauda'' * Arizona shrew, ''Sorex arcticus'' *

Cinereus shrew The cinereus shrew or masked shrew (''Sorex cinereus'') is a small shrew found in Alaska, Canada, and the northern United States. This is the most widely distributed shrew in North America, where it is also known as the common shrew. Descriptio ...

, ''Sorex cinereus'' * Hayden's shrew, ''Sorex haydeni'' *

American pygmy shrew The American pygmy shrew (''Sorex hoyi'') is a small shrew found in Northern Alaska, Canada, and the northern United States, south through the Appalachian Mountains. It was first discovered in 1831 by naturalist William Cane in Georgian Bay, Parr ...

, ''Sorex hoyi'' * Merriam's shrew, ''Sorex merriami'' *

Montane shrew The montane shrew (''Sorex monticolus'') is a species of mammal in the family Soricidae commonly known as the dusky shrew. ''Monticolus'' is derived from the Latin root word ''mons'' meaning mountain. It is found in Alaska, western Canada, the ...

, ''Sorex monticolus'' * Dwarf shrew, ''Sorex nanus'' * American water shrew, ''Sorex palustris'' * Preble's shrew, ''Sorex preblei'' *

Vagrant shrew The vagrant shrew (''Sorex vagrans''), also known as the wandering shrew, is a medium-sized North American shrew. At one time, the montane shrew and the Orizaba long-tailed shrew were considered to belong to the same species. Range and habitat ...

, ''Sorex vagrans''

Rodents (Order:
Rodentia Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are nat ...
)

Family:

Castoridae The family Castoridae contains the two living species of beavers and their fossil relatives. A highly diverse group of rodents within this family once roamed the earth, but only a single genus is extant today, '' Castor''. Characteristics Ca ...

(beavers) *

North American beaver The North American beaver (''Castor canadensis'') is one of two extant beaver species, along with the Eurasian beaver (''Castor fiber''). It is native to North America and introduced in South America ( Patagonia) and Europe (primarily Finland ...

, ''Castor canadensis'' Family:

Sciuridae Squirrels are members of the family Sciuridae, a family that includes small or medium-size rodents. The squirrel family includes tree squirrels, ground squirrels (including chipmunks and prairie dogs, among others), and flying squirrels. Squ ...

(squirrels) * Golden-mantled ground squirrel, ''Callospermophilus lateralis'' *

White-tailed prairie dog The white-tailed prairie dog (''Cynomys leucurus'') is found in western Wyoming and western Colorado with small areas in eastern Utah and southern Montana. The largest populations are in Wyoming where they are known colloquially as "chiselers ...

, ''Cynomys leucurus'' *

Black-tailed prairie dog The black-tailed prairie dog (''Cynomys ludovicianus'') is a rodent of the family Sciuridae found in the Great Plains of North America from about the United States-Canada border to the United States-Mexico border. Unlike some other prairie dogs, ...

, ''Cynomys ludovicianus'' *

Northern flying squirrel The northern flying squirrel (''Glaucomys sabrinus'') is one of three species of the genus '' Glaucomys'', the only flying squirrels found in North America.Walker EP, Paradiso JL. 1975. ''Mammals of the World''. Baltimore: Johns Hopkins Universit ...

, ''Glaucomys sabrinus'' *

Thirteen-lined ground squirrel The thirteen-lined ground squirrel (''Ictidomys tridecemlineatus''), also known as the striped gopher, leopard ground squirrel, squinney, (formerly known as the leopard-spermophile in the age of Audubon), is a ground squirrel that is widely dis ...

, ''Ictidomys tridecemlineatus'' *

Hoary marmot The hoary marmot (''Marmota caligata'') is a species of marmot that inhabits the mountains of northwest North America. Hoary marmots live near the tree line on slopes with grasses and forbs to eat and rocky areas for cover. It is the largest Nor ...

, ''Marmota caligata'' *

Yellow-bellied marmot The yellow-bellied marmot (''Marmota flaviventris''), also known as the rock chuck, is a large, stout-bodied ground squirrel in the marmot genus. It is one of fourteen species of marmots, and is native to mountainous regions of southwestern Cana ...

, ''Marmota flaviventris'' * Yellow-pine chipmunk, ''Neotamias amoenus'' *

Least chipmunk The least chipmunk (''Neotamias minimus'') is the smallest species of chipmunk and the most widespread in North America. Description It is the smallest species of chipmunk, measuring about in total length with a weight of . The body is gray to ...

, ''Neotamias minimus'' * Red-tailed chipmunk, ''Neotamias ruficaudus'' *

Uinta chipmunk The Uinta chipmunk or hidden forest chipmunk (''Neotamias umbrinus''), is a species of chipmunk in the family Sciuridae. It is endemic to the United States. Formerly known as ''Tamias umbrinus'', phylogenetic studies have shown it to be sufficie ...

, ''Neotamias umbrinus'' *

Eastern gray squirrel The eastern gray squirrel (''Sciurus carolinensis''), also known, particularly outside of North America, as simply the grey squirrel, is a tree squirrel in the genus ''Sciurus''. It is native to eastern North America, where it is the most prodi ...

, ''Sciurus carolinensis'' introduced *

Eastern fox squirrel The fox squirrel (''Sciurus niger''), also known as the eastern fox squirrel or Bryant's fox squirrel, is the largest species of tree squirrel native to North America. Despite the differences in size and coloration, it is sometimes mistaken for ...

, ''Sciurus niger'' * American red squirrel, ''Tamiasciurus hudsonicus'' *

Uinta ground squirrel The Uinta ground squirrel (''Urocitellus armatus''), commonly called a "chisler" and ''Potgut'' in northern Utah,Noble, Katie"Animal of the Week: What is a Potgut?" ''The Green Life'', 13 April 2011. Retrieved 24 February 2019. is a species of rod ...

, ''Urocitellus armatus'' *

Columbian ground squirrel The Columbian ground squirrel (''Urocitellus columbianus'') is a species of rodent common in certain regions of Canada and the northwestern United States. It is the second largest member of the genus '' Urocitellus'', which is part of the tribe ...

, ''Urocitellus columbianus'' *

Wyoming ground squirrel The Wyoming ground squirrel (''Urocitellus elegans'') is a species of rodent in the family Sciuridae. It is endemic to the Northwestern United States The Northwestern United States, also known as the American Northwest or simply the Northwe ...

, ''Urocitellus elegans'' *

Richardson's ground squirrel Richardson's ground squirrel (''Urocitellus richardsonii''), also known as the dakrat or flickertail, is a North American ground squirrel in the genus ''Urocitellus''. Like a number of other ground squirrels, they are sometimes called prairie do ...

, ''Urocitellus richardsonii'' Ord's kangaroo rat

Family:

Heteromyidae Heteromyidae is a family of rodents consisting of kangaroo rats, kangaroo mice, pocket mice and spiny pocket mice. Most heteromyids live in complex burrows within the deserts and grasslands of western North America, though species within th ...

(pocket mice and kangaroo rats) *

Hispid pocket mouse The hispid pocket mouse (''Chaetodipus hispidus'') is a large pocket mouse native to the Great Plains region of North America. It is a member of the genus ''Chaetodipus''. Distribution The hispid pocket mouse occurs across the Great Plains fro ...

, ''Chaetodipus hispidus'' *

Ord's kangaroo rat Ord's kangaroo rat (''Dipodomys ordii'') is a kangaroo rat native to western North America, specifically the Great Plains and the Great Basin, with its range extending from extreme southern Canada to central Mexico. Ord's kangaroo rat has a fift ...

, ''Dipodomys ordii'' * Olive-backed pocket mouse, ''Perognathus fasciatus'' * Great Basin pocket mouse, ''Perognathus parvus'' Family: Geomyidae (pocket gophers) *

Idaho pocket gopher The Idaho pocket gopher (''Thomomys idahoensis'') is a species of rodent in the family Geomyidae. It is rather small, with a lightly built skull. Its fur color varies through the body and between individuals. Found in the western United States, ...

, ''Thomomys idahoensis'' * Northern pocket gopher, ''Thomomys talpoides'' Family:

Dipodidae Jerboas (from ar, جربوع ') are hopping desert rodents found throughout North Africa and Asia, and are members of the family Dipodidae. They tend to live in hot deserts. When chased, jerboas can run at up to . Some species are preyed on b ...

(jumping mice) *

Meadow jumping mouse The meadow jumping mouse (''Zapus hudsonius'') is the most widely distributed mouse in the family Zapodidae. Its range extends from the Atlantic coast in the east to the Great Plains west, and from the arctic tree lines in Canada and Alaska to ...

, ''Zapus hudsonius'' *

Western jumping mouse The western jumping mouse (''Zapus princeps''), is a species of rodent in the family Zapodidae. It is found in Canada and the United States. Western jumping mice evolved during the Pleistocene, possibly from the fossil species '' Zapus burti'', ...

, ''Zapus princeps'' Muskrat swimming Ottawa

Family:

Cricetidae The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At almost 608 species, it is the second-largest family of mammals, and h ...

(New World mice and rats, voles, lemmings, muskrats) * Sagebrush vole, ''Lemmiscus curtatus'' *

Long-tailed vole The long-tailed vole (''Microtus longicaudus''), in some areas known as the San Bernardino long-tailed vole, is a small vole found in western North America. They have short ears and a long tail. Their fur is gray brown with light gray underparts ...

, ''Microtus longicaudus'' *

Montane vole The montane vole (''Microtus montanus'') is a species of vole native to the western United States and Canada. Description Montane voles are medium-sized voles, with a total length of , including the tail. Adults typically weigh anything from , ...

, ''Microtus montanus'' *

Prairie vole The prairie vole (''Microtus ochrogaster'') is a small vole found in central North America. The vole has long, coarse grayish-brown fur on the upper portion of the body and yellowish fur on the lower portion of the body. It has short ears and a ...

, ''Microtus ochrogaster'' *

Meadow vole The eastern meadow vole (''Microtus pennsylvanicus''), sometimes called the field mouse or meadow mouse, is a North American vole found in eastern Canada and the United States. Its range extends farther south along the Atlantic coast. The west ...

, ''Microtus pennsylvanicus'' * Water vole, ''Microtus richardsoni'' * Southern red-backed vole, ''Myodes gapperi'' *

Bushy-tailed woodrat The bushy-tailed woodrat, or packrat (''Neotoma cinerea'') is a species of rodent in the family Cricetidae found in Canada and the United States. Its natural habitats are boreal forests, temperate forests, dry savanna, temperate shrubland, and t ...

, ''Neotoma cinerea'' * Muskrat, ''Ondatra zibethicus'' *

Northern grasshopper mouse The northern grasshopper mouse (''Onychomys leucogaster'') is a North American carnivorous rodent of the family Cricetidae. It ranges over much of the western part of the continent, from southern Saskatchewan and central Washington to Tamaulipas ...

, ''Onychomys leucogaster'' *

White-footed mouse The white-footed mouse (''Peromyscus leucopus'') is a rodent native to North America from Ontario, Quebec, Labrador, and the Maritime Provinces (excluding the island of Newfoundland) to the southwestern United States and Mexico. In the Maritimes, ...

, ''Peromyscus leucopus'' *

Western deer mouse The western deermouse or western deer mouse (''Peromyscus sonoriensis'') is a rodent native to North America. It is widespread throughout the western half of the continent, mainly in areas west of the Mississippi River. Taxonomy It was former ...

, ''Peromyscus sonoriensis'' * Heather vole, ''Phenacomys intermedius'' * Western harvest mouse, ''Reithrodontomys megalotis'' * Northern bog lemming, ''Synaptomys borealis Family: Muridae (Old World rats and mice) * House mouse, ''Mus musculus'' introduced *

Norway rat The brown rat (''Rattus norvegicus''), also known as the common rat, street rat, sewer rat, wharf rat, Hanover rat, Norway rat, Norwegian rat and Parisian rat, is a widespread species of common rat. One of the largest muroids, it is a brown o ...

, ''Rattus norvegicus'' introduced Family:

Echimyidae Echimyidae is the family of neotropical spiny rats and their fossil relatives. This is the most species-rich family of hystricognath rodents. It is probably also the most ecologically diverse, with members ranging from fully arboreal to terr ...

(spiny rats) *

Nutria The nutria (''Myocastor coypus''), also known as the coypu, is a large, herbivorous, semiaquatic rodent. Classified for a long time as the only member of the family Myocastoridae, ''Myocastor'' is now included within Echimyidae, the family of ...

, ''Myocastor coypus'' introduced Family: Erethizontidae *

North American porcupine The North American porcupine (''Erethizon dorsatum''), also known as the Canadian porcupine, is a large quill-covered rodent in the New World porcupine family. It is the second largest rodent in North America, after the North American beaver ('' ...

, ''Erethizon dorsatum''

Notes

{{Lists of mammals by U.S. state

Mammals Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur o ...

New World opossums (Order: Didelphimorphia)

Lagomorphs (Order:
Lagomorpha The lagomorphs are the members of the taxonomic order Lagomorpha, of which there are two living families: the Leporidae (hares and rabbits) and the Ochotonidae ( pikas). The name of the order is derived from the Ancient Greek ''lagos'' (λαγ ...
)

Even-toed ungulates (''Order'':
Artiodactyla The even-toed ungulates (Artiodactyla , ) are ungulates—hoofed animals—which bear weight equally on two (an even number) of their five toes: the third and fourth. The other three toes are either present, absent, vestigial, or pointing poster ...
)

Carnivorans (Order: Carnivora)

Bats (Order:
Chiroptera Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most bir ...
)

Shrews (Order:
Eulipotyphla Eulipotyphla (, which means "truly fat and blind") is an order of mammals suggested by molecular methods of phylogenetic reconstruction, which includes the laurasiatherian members of the now-invalid polyphyletic order Lipotyphla, but not the ...
)

Rodents (Order:
Rodentia Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are nat ...
)

See also

Further reading

Notes

New World opossums (Order: Didelphimorphia)

Lagomorphs (Order: Lagomorpha The lagomorphs are the members of the taxonomic order Lagomorpha, of which there are two living families: the Leporidae (hares and rabbits) and the Ochotonidae ( pikas). The name of the order is derived from the Ancient Greek ''lagos'' (λαγ ...)

Even-toed ungulates (''Order'': Artiodactyla The even-toed ungulates (Artiodactyla , ) are ungulates—hoofed animals—which bear weight equally on two (an even number) of their five toes: the third and fourth. The other three toes are either present, absent, vestigial, or pointing poster ...)

Carnivorans (Order: Carnivora)

Bats (Order: Chiroptera Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most bir ...)

Shrews (Order: Eulipotyphla Eulipotyphla (, which means "truly fat and blind") is an order of mammals suggested by molecular methods of phylogenetic reconstruction, which includes the laurasiatherian members of the now-invalid polyphyletic order Lipotyphla, but not the ...)

Rodents (Order: Rodentia Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are nat ...)

See also

Further reading

Notes

Lagomorphs (Order:
Lagomorpha The lagomorphs are the members of the taxonomic order Lagomorpha, of which there are two living families: the Leporidae (hares and rabbits) and the Ochotonidae ( pikas). The name of the order is derived from the Ancient Greek ''lagos'' (λαγ ...
)

Even-toed ungulates (''Order'':
Artiodactyla The even-toed ungulates (Artiodactyla , ) are ungulates—hoofed animals—which bear weight equally on two (an even number) of their five toes: the third and fourth. The other three toes are either present, absent, vestigial, or pointing poster ...
)

Bats (Order:
Chiroptera Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most bir ...
)

Shrews (Order:
Eulipotyphla Eulipotyphla (, which means "truly fat and blind") is an order of mammals suggested by molecular methods of phylogenetic reconstruction, which includes the laurasiatherian members of the now-invalid polyphyletic order Lipotyphla, but not the ...
)

Rodents (Order:
Rodentia Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are nat ...
)