Mammals of Custer State Park
The mammals most often spotted in Custer, ranked by recent research-grade observations.
2,889
recent observations
34
species listed
34
mammals
Naturalists have logged 2,889 research-grade observations across the 34 most-recorded species in Custer. The most frequently seen is the American Bison, with 985 recorded sightings.
Rarer finds confirmed in Custer include Bobcat - uncommon enough that a sighting is worth logging.
Most-observed mammals in Custer
American Bison
Bos bison
985 observations · iNaturalist
Pronghorn
Antilocapra americana
577 observations
Black-tailed Prairie Dog
Cynomys ludovicianus
287 observations
Bighorn Sheep
Ovis canadensis
275 observations
White-tailed Deer
Odocoileus virginianus
214 observations
Donkey
Equus asinus
129 observations · iNaturalist
Wapiti
Cervus canadensis
84 observations
American Red Squirrel
Tamiasciurus hudsonicus
78 observations
Least Chipmunk
Neotamias minimus
69 observations
Mule Deer
Odocoileus hemionus
45 observations
Coyote
Canis latrans
42 observations
Yellow-bellied Marmot
Marmota flaviventris
32 observations
Mountain Goat
Oreamnos americanus
29 observations
American Mink
Neogale vison
7 observations
Mountain Cottontail
Sylvilagus nuttallii
5 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
5 observations
American Badger
Taxidea taxus
3 observations
American Black Bear
Ursus americanus
2 observations
Bobcat
Lynx rufus
2 observations
Mountain Lion
Puma concolor
2 observations
American Beaver
Castor canadensis
2 observations
Eastern Fox Squirrel
Sciurus niger
2 observations
Domestic Cattle
Bos taurus
2 observations · iNaturalist
Fringed Myotis
Myotis thysanodes
1 observation
Common Raccoon
Procyon lotor
1 observation
Red Fox
Vulpes vulpes
1 observation
Eastern Cottontail
Sylvilagus floridanus
1 observation
Desert Cottontail
Sylvilagus audubonii
1 observation
Northern Pocket Gopher
Thomomys talpoides
1 observation
Muskrat
Ondatra zibethicus
1 observation
Western Small-footed Myotis
Myotis ciliolabrum
1 observation
Domestic Cat
Felis catus
1 observation
Domestic Horse
Equus caballus
1 observation · iNaturalist
Least Weasel
Mustela nivalis
1 observation
Mammals in nearby places
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