List of mammals of Colorado
This list of mammals of Colorado lists every wild mammal species seen in the U.S. state of Colorado, based on the list published by the Colorado Division of Wildlife.
It does not include species found only in captivity. Species in this list are grouped by order and then by family within each order. The common name for each species is followed by its binomial name.
The following codes are used to designate some species:
- EN - Species is listed as endangered by the IUCN.
- NT - Species is listed as near threatened by the IUCN.
- EX - Species has been extirpated from Colorado, but can still be found outside the state.
Didelphimorphia
Opossums
Order: DidelphimorphiaFamily: Didelphidae- Virginia opossum, Didelphis virginiana
Cingulata
Armadillos
Order: CingulataFamily: Dasypodidae- Nine-banded armadillo, Dasypus novemcinctus
Rodentia
Beavers
Order: RodentiaFamily: Castoridae- North American beaver, Castor canadensis
Pocket gophers
- Plains pocket gopher, Geomys bursarius
- Yellow-faced pocket gopher, Pappogeomys castanops
- Botta's pocket gopher, Thomomys bottae
- Northern pocket gopher, Thomomys talpoides
Kangaroo rats, pocket mice
- Ord's kangaroo rat, Dipodomys ordii
- Hispid pocket mouse, Chaetodipus hispidus
- Olive-backed pocket mouse, Perognathus fasciatus
- Plains pocket mouse, Perognathus flavescens
- Silky pocket mouse, Perognathus flavus
- Great Basin pocket mouse, Perognathus merriami
New World porcupines
- North American porcupine, Erethizon dorsatum
Jumping mice
- Meadow jumping mouse, Zapus hudsonius
- Western jumping mouse, Zapus princeps
New World rats, New World mice, voles
- Sagebrush vole, Lemmiscus curtatus
- Long-tailed vole, Microtus longicaudus
- Mexican vole, Microtus mexicanus
- Montane vole, Microtus montanus
- Prairie vole, Microtus ochrogaster
- Meadow vole, Microtus pennsylvanicus
- Southern red-backed vole, Myodes gapperii
- Muskrat, Ondatra zibethicus
- Western heather vole, Phenacomys intermedius
- White-throated woodrat, Neotoma albigula
- Bushy-tailed woodrat, Neotoma cinerea
- Eastern woodrat, Neotoma floridana
- Desert woodrat, Neotoma lepida
- Mexican woodrat, Neotoma mexicana
- Southern plains woodrat, Neotoma micropus
- Brush mouse, Peromyscus boylii
- Canyon mouse, Peromyscus crinitus
- White-footed mouse, Peromyscus leucopus
- Deer mouse, Peromyscus maniculatus
- Northern rock mouse, Peromyscus nasutus
- Pinyon mouse, Peromyscus truei
- Western harvest mouse, Reithrodontomys megalotis
- Plains harvest mouse, Reithrodontomys montanus
- Northern grasshopper mouse, Onychomys leucogaster
- Hispid cotton rat, Sigmodon hispidus
Chipmunks, marmots, squirrels
- Abert's squirrel, Sciurus aberti
- Fox squirrel, Sciurus niger
- American red squirrel, Tamiasciurus hudsonicus
- White-tailed antelope squirrel, Ammospermophilus leucurus
- Gunnison's prairie dog, Cynomys gunnisoni
- White-tailed prairie dog, Cynomys leucurus
- Black-tailed prairie dog, Cynomys ludovicianus
- Northern flying squirrel, Glaucomys sabrinus
- Yellow-bellied marmot, Marmota flaviventris
- Wyoming ground squirrel, Urocitellus elegans
- Golden-mantled ground squirrel, Callospermophilus lateralis
- Spotted ground squirrel, Xeropermophilus spilosoma
- Thirteen-lined ground squirrel, Ictodomys tridecemlineatus
- Rock squirrel, Otospermophilus variegatus
- Cliff chipmunk, Tamias dorsalis
- Least chipmunk, Tamias minimus
- Colorado chipmunk, Tamias quadrivittatus
- Hopi chipmunk, Tamias rufus
- Uinta chipmunk, Tamias umbrinus
Lagomorpha
Pikas
Order: LagomorphaFamily: Ochotonidae- American pika, Ochotona princeps
Hares, rabbits
- Desert cottontail, Sylvilagus audubonii
- Eastern cottontail, Sylvilagus floridanus
- Mountain cottontail, Sylvilagus nuttallii
- Pygmy rabbit, Brachylagus idahodensis
- Snowshoe hare, Lepus americanus
- Black-tailed jackrabbit, Lepus californicus
- White-tailed jackrabbit, Lepus townsendii
Eulipotyphla
Shrews
Order: EulipotyphlaFamily: Soricidae- Elliot's short-tailed shrew, Blarina hylophaga
- North American least shrew, Cryptotis parva
- Crawford's gray shrew, Notiosorex crawfordi
- Cinereus shrew, Sorex cinereus
- American pygmy shrew, Sorex hoyi
- Merriam's shrew, Sorex merriami
- Montane shrew, Sorex monticolus
- Dwarf shrew, Sorex nanus
- American water shrew, Sorex palustris
Moles
- Eastern mole, Scalopus aquaticus
Chiroptera
Vesper bats
Order: ChiropteraFamily: Vespertilionidae- Silver-haired bat, Lasionycteris noctivagans
- California myotis, Myotis californicus
- Western small-footed myotis, Myotis ciliolabrum
- Long-eared myotis, Myotis evotis
- Little brown bat, Myotis lucifugus
- Fringed myotis, Myotis thysanodes
- Long-legged myotis, Myotis volans
- Yuma myotis, Myotis yumanensis
- Pallid bat, Antrozous pallidus
- Big brown bat, Eptesicus fuscus
- Spotted bat, Euderma maculatum
- Eastern red bat, Lasiurus borealis
- Hoary bat, Lasiurus cinereus
- Western pipistrelle, Parastrellus hesperus
- Townsend's big-eared bat, Corynorhinus townsendii
Free-tailed bats
- Big free-tailed bat, Nyctinomops macrotis
- Mexican free-tailed bat, Tadarida brasiliensis
Carnivora
Cats
Order: CarnivoraFamily: Felidae- Bobcat, Lynx rufus
- Canadian lynx, Lynx canadensis
- Cougar, Puma concolor
Coyotes, foxes, wolves
- Kit fox, Vulpes macrotis
- Swift fox, Vulpes velox
- Red fox, Vulpes vulpes
- Gray fox, Urocyon cinereoargenteus
- Coyote, Canis latrans
- Gray wolf, Canis lupus EX
Bears
- American black bear, Ursus americanus
- Grizzly bear, Ursus arctos EX
Skunks
- Western spotted skunk, Spilogale gracilis
- Eastern spotted skunk, Spilogale putorius
- Striped skunk, Mephitis mephitis
- American hog-nosed skunk, Conepatus leuconotus
Weasels
- Ermine, Mustela erminea
- Long-tailed weasel, Mustela frenata
- Black-footed ferret, Mustela nigripes EN
- American mink, Mustela vison
- American marten, Martes americana
- American badger, Taxidea taxus
- North American river otter, Lontra canadensis
- Wolverine, Gulo gulo
Raccoons
- Ringtail, Bassariscus astutus
- Raccoon, Procyon lotor
Artiodactyla
Pronghorns
Order: ArtiodactylaFamily: Antilocapridae- Pronghorn, Antilocapra americana
Deer
- Elk, Cervus canadensis
- Moose, Alces alces
- Mule deer, Odocoileus hemionus
- White-tailed deer, Odocoileus virginianus
Bovids
- Mountain goat, Oreamnos americanus
- Bighorn sheep, Ovis canadensis