Places › National Parks › Theodore Roosevelt › Mammals

Mammals of Theodore Roosevelt National Park

The mammals most often spotted in Theodore Roosevelt, ranked by recent research-grade observations.

3,423
recent observations
34
species listed
34
mammals

Naturalists have logged 3,423 research-grade observations across the 34 most-recorded species in Theodore Roosevelt. The most frequently seen is the American Bison, with 1,289 recorded sightings.

Rarer finds confirmed in Theodore Roosevelt include Bobcat - uncommon enough that a sighting is worth logging.

Bobcat

Most-observed mammals in Theodore Roosevelt

American Bison
Bos bison
1,289 observations · iNaturalist
Black-tailed Prairie Dog
Cynomys ludovicianus
918 observations
Domestic Horse
Equus caballus
427 observations
Mule Deer
Odocoileus hemionus
213 observations
Pronghorn
Antilocapra americana
136 observations
Coyote
Canis latrans
120 observations
Bighorn Sheep
Ovis canadensis
55 observations
North American Porcupine
Erethizon dorsatum
41 observations
Least Chipmunk
Neotamias minimus
39 observations
Desert Cottontail
Sylvilagus audubonii
37 observations
Wapiti
Cervus canadensis
35 observations
White-tailed Deer
Odocoileus virginianus
19 observations
Eastern Cottontail
Sylvilagus floridanus
17 observations
American Badger
Taxidea taxus
11 observations
Mountain Cottontail
Sylvilagus nuttallii
11 observations
Domestic Cattle
Bos taurus
10 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
7 observations
White-tailed Jackrabbit
Lepus townsendii
5 observations
American Beaver
Castor canadensis
5 observations
Bushy-tailed Woodrat
Neotoma cinerea
4 observations
Silver-haired Bat
Lasionycteris noctivagans
3 observations
Red Fox
Vulpes vulpes
3 observations
Little Brown Bat
Myotis lucifugus
2 observations
Eastern Red Bat
Lasiurus borealis
2 observations
Northern Hoary Bat
Lasiurus cinereus
2 observations
Bobcat
Lynx rufus
2 observations
Muskrat
Ondatra zibethicus
2 observations
Eastern Fox Squirrel
Sciurus niger
2 observations
Big Brown Bat
Eptesicus fuscus
1 observation
Common Raccoon
Procyon lotor
1 observation
Swift Fox
Vulpes velox
1 observation
Northern Pocket Gopher
Thomomys talpoides
1 observation
American Red Squirrel
Tamiasciurus hudsonicus
1 observation
Domestic Cat
Felis catus
1 observation

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

Mammals in nearby places

Out spotting mammals in Theodore Roosevelt?

Take Huck with you. Identify any mammal you find in seconds and build your collection.

Get Huck

Love mammals? Get Huck field notes

Spotting tips, new species, and the best of what people are finding in the wild - straight to your inbox.

By subscribing you agree to receive Huck emails. No spam, unsubscribe anytime. See our Privacy Policy.