Porcupine in a Tree
Porcupine in a tree.


Devils Tower National Monument is home to a surprisingly diverse population of mammals within the park. As you visit the park, step quietly, and you may see some of the silent white tail deer ghosting through the ponderosa pine forest, hear the cries of the prairie dog as they scramble into their dens on the floodplain, or see the mice scramble away into the grass as you climb to the top of the Tower.

The National Park Service’s goal is to maintain the ecological processes that sustain these mammals and their habitats while monitoring the changes taking place in their populations. Seasonal or migratory movements take many species across the park boundary where they are subject to different management policies and uses of land by humans.


C = Common
F = Fairly Common
U = Uncommon
R = Rare
* = Often Seen by Most Visitors
? = Status Unknown
X = Formerly Occurred Here
N = Not Native to the Area

Mammals - (Mammalia)

Shrews - (Soricidae):

  • Masked Shrew (Sorex cinereus) U

Bats - (Vespertiliondae):

  • Little brown bat (Myotis lucifugus) ?
  • Hoary bat (Lasiurus cinereus) ?
  • Silver-haired bat (Lasionycteris noctivagans) ?
  • Big brown bat (Eptesicus fuscus) ?
  • Townsend's big-eared bat (Corynorhinus townsendii) ?
  • Western long-eared bat (Myotis evotis) ?
  • Fringed myotis (Myotis thysanodes) ?
  • Eastern red bat (Lasiurus borealis) ?
  • Western small-footed bat (Myotis ciliolabrum) ?
  • Northern long-eared bat (Myotis septentrionalis) T/?
  • Long-legged myotis (Myotis volans) ?

Rabbits & Hares - (Leporidae):

  • Desert cottontail (Sylvilagus audubonii) *C
  • Mountain cottontail (Sylvilagus nuttallii) ?
  • White-tailed jackrabbit (Lepus townsendii) R

Squirrels - (Sciuridae):

  • Least chipmunk (Tamias minimus) *C
  • Yellow-bellied marmot (Marmota flaviventris) R
  • Thirteen-lined ground squirrel (Spermophilus tridecemlineatus) U
  • Black-tailed prairie dog (Cynomys ludovicianus) *C
  • Eastern fox squirrel (Sciurus niger) *C/N
  • Red squirrel (Tamiasciurus hudsonicus) *C
  • Norther flying squirrel (Glaucomys sabrinus) C

Pocket Gophers - (Geomyidae):

  • Hispid pocket mouse (Perognathus hispidus) ?

Beaver - (Castoridae):

  • Beaver (Castor canadensis) U

Mice & Woodrats - (Cricetidae):

  • Western harvest mouse (Reithrodontomys megalotis) U
  • White-footed mouse (Peromyscus leucopus) U
  • Deer mouse (Peromyscus maniculatus) C
  • Northern grasshopper mouse (Onychomys leucogaster) ?
  • Bushy-tailed woodrat (Neotoma cinerea) C
  • Prairie vole (Microtus ochrogaster) C
  • Muskrat (Ondatra zibethicus) U

Jumping Mice - (Zapodidae):

  • Meadow jumping mouse (Zapus hudsonius) ?

Porcupines - (Erethizontidae):

  • Porcupine (Erethizon dorsatum) C

Canines - (Canidae):

  • Coyote (Canis latrans) U
  • Gray wolf (Canis lupus) X
  • Red fox (Vulpes vulpes) F
  • Gray fox (Urocyon cinereoargenteus) R

Bears - (Ursidae):

  • Black bear (Ursus americanus) X/R
  • Grizzly bear (Ursus arctos) X

Raccoons - (Procyonidae):

  • Raccoon (Procyon lotor) C

Weasel Family - (Mustelidae):

  • Short-tailed weasel (ermine) (Mustela erminea) R
  • Long-tailed weasel (Mustela frenata) U
  • Black-footed ferret (Mustela nigripes) X
  • Mink (Mustela vison) U
  • Badger (Taxidea taxus) U
  • Striped skunk (Mephitis mephitis) C

Felines - (Felidae):

  • Mountain lion (Felis concolor) R
  • Lynx (Felis lynx) X
  • Bobcat (Felis rufus) U

Deer - (Cervidae):

  • Rocky Mountain elk (Cervus elaphus) R
  • Mule deer (Odocoileus hemionus) *C
  • White-tailed deer (Odocoileus virginianus) *C

Pronghorn - (Antilocapridae):

  • Pronghorn (antelope) (Antilocapra americana) R

Bison, Goats & Sheep - (Bovidae):

  • Bison (buffalo) (Bison bison) X
  • Bighorn sheep (Ovis canadensis) X

Contact the Park

Mailing Address:

PO Box 10
Devils Tower, WY 82714


(307) 467-5283 x635
Devils Tower National Monument Phone Number

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