Species Pictures

Mountain beaver Aplodontia rufa

American beaver Castor canadensis

Eastern chipmunk Tamias striatus

Cliff chipmunk Tamias dorsalis

Uinta chipmunk Tamias umbrinus

Golden-mantled ground squirrel Callospermophilus lateralis

Thirteen-lined ground squirrel Ictidomys tridecemlineatus

Eastern fox squirrel Sciurus niger

Northern flying squirrel Glaucomys sabrinus

Black-tailed prairie dog Cynomys ludovicianus

Northern pocket gopher Thomomys talpoides

Least chipmunk Tamias minimus

White-tailed antelope squirrel Ammospermophilus leucurus

Eastern gray squirrel Sciurus carolinensis

Red squirrel Tamiasciurus hudsonicus

White-tailed prairie dog Cynomys leucurus

Rock squirrel Otospermophilus variegatus

Uinta ground squirrel Urocitellus armatus

Abert’s squirrel Sciurus aberti

Yellow-bellied marmot Marmota flaviventris

Water shrew Sorex palustris

Pygmy shrew Microsorex hoyi

Least shrew Cryptotis parva

Star-nosed mole Condylura cristata

Northern short-tailed shrew Blarina brevicauda

Masked shrew Sorex cinereus

Dark kangaroo mouse Microdipodops megacephalus

Pale kangaroo mouse Microdipodops pallidus

Southern red-backed vole Myodes gapperi

Hispid cotton rat Sigmodon hispidus

Porcupine Erethizon dorsatum

Muskrat Ondatra zibethicus

Norwegian rat Rattus norvegicus

Merriam’s kangaroo rat Dipodomys merriami

Chisel-toothed kangaroo rat Dipodomys microps

Desert woodrat Neotoma lepida

Desert kangaroo rat Dipodomys deserti

Bushy-tailed woodrat Neotoma cinerea

Sagebrush vole Lemmiscus curtatus

Northern grasshopper mouse Onychomys leucogaster

Western jumping mouse Zapus princeps

Little pocket mouse Perognathus longimembris

House mouse Mus musculus

Pinyon mouse Peromyscus truei

Brush mouse Peromyscus boylii

Deer mouse Peromyscus maniculatus

Western harvest mouse Reithrodontomys megalotis

White-tailed jackrabbit Lepus townsendii

Snowshoe hare Lepus americanus

Virginia opossum Didelphis virginiana

Mountain cottontail Sylvilagus nuttallii

Desert cottontail Sylvilagus auduboni

Mexican mouse opossum Marmosa mexicana

Common opossum Didelphis marsupialis

Four-eyed opossum Philander opossu

Pygmy rabbit Brachylagus idahoensis

Black-tailed jackrabbit Lepus californicus

American pika Ochotona princeps

Brazilian free-tailed bat Tadarida brasiliensis

Big free-tailed bat Nyctinomops macrotis

Allen’s big-eared bat Idionycteris phyllotis

Townsend’s big-eared bat Corynorhinus townsendii

Fish-eating myotis Myotis vivesi

Spotted bat Euderma maculatum

Pallid bat Antrozous pallidus

Hoary bat Lasiurus cinereus

Silver-haired bat Lasionycteris noctivagans

Eastern red bat Lasiurus borealis

Big brown bat Eptesicus fuscus

Western pipistrelle Parastrellus hesperus

Vampire bat Desmodus rotundus