Mammals of Theodore Roosevelt National Park
The mammals most often spotted in Theodore Roosevelt, ranked by recent research-grade observations.
Most-observed mammals in Theodore Roosevelt
American Bison
Bison bison
1,205 observations
Black-tailed Prairie Dog
Cynomys ludovicianus
825 observations
Domestic Horse
Equus caballus
375 observations · iNaturalist
Mule Deer
Odocoileus hemionus
187 observations
Pronghorn
Antilocapra americana
123 observations
Coyote
Canis latrans
108 observations
Bighorn Sheep
Ovis canadensis
50 observations
North American Porcupine
Erethizon dorsatum
38 observations
Desert Cottontail
Sylvilagus audubonii
33 observations
Elk
Cervus canadensis
32 observations
Least Chipmunk
Neotamias minimus
31 observations
White-tailed Deer
Odocoileus virginianus
19 observations
Eastern Cottontail
Sylvilagus floridanus
17 observations
American Badger
Taxidea taxus
9 observations
Mountain Cottontail
Sylvilagus nuttallii
9 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
7 observations
White-tailed Jackrabbit
Lepus townsendii
6 observations
Domestic Cattle
Bos taurus
6 observations · iNaturalist
American Beaver
Castor canadensis
5 observations
Bushy-tailed Woodrat
Neotoma cinerea
4 observations
Silver-haired Bat
Lasionycteris noctivagans
2 observations
Bobcat
Lynx rufus
2 observations
Red Fox
Vulpes vulpes
2 observations
Muskrat
Ondatra zibethicus
2 observations
Eastern Fox Squirrel
Sciurus niger
2 observations
Little Brown Bat
Myotis lucifugus
1 observation
Big Brown Bat
Eptesicus fuscus
1 observation
Eastern Red Bat
Lasiurus borealis
1 observation
Northern Hoary Bat
Lasiurus cinereus
1 observation
Common Raccoon
Procyon lotor
1 observation
Swift Fox
Vulpes velox
1 observation
Northern Pocket Gopher
Thomomys talpoides
1 observation · iNaturalist
American Red Squirrel
Tamiasciurus hudsonicus
1 observation
Domestic Cat
Felis catus
1 observation
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