Mammals of Idaho
The mammals most often spotted in Idaho, ranked by recent research-grade observations.
42,644
recent observations
50
species listed
50
mammals
Naturalists have logged 42,644 research-grade observations across the 50 most-recorded species in Idaho. The most frequently seen is the Mule Deer, with 4,091 recorded sightings.
Rarer finds confirmed in Idaho include Grizzly Bear, Gray Wolf and Bobcat - uncommon enough that a sighting is worth logging.
Most-observed mammals in Idaho
Mule Deer
Odocoileus hemionus
4,091 observations
White-tailed Deer
Odocoileus virginianus
3,468 observations
Eastern Fox Squirrel
Sciurus niger
3,092 observations
Columbian Ground Squirrel
Urocitellus columbianus
2,840 observations
Moose
Alces alces
2,813 observations
Bighorn Sheep
Ovis canadensis
2,196 observations
American Red Squirrel
Tamiasciurus hudsonicus
2,121 observations
Mountain Goat
Oreamnos americanus
2,044 observations
Pronghorn
Antilocapra americana
1,746 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
1,567 observations
Wapiti
Cervus canadensis
1,518 observations
American Black Bear
Ursus americanus
1,469 observations
Yellow-bellied Marmot
Marmota flaviventris
1,407 observations
American Beaver
Castor canadensis
1,126 observations
Hoary Marmot
Marmota caligata
961 observations
Red Fox
Vulpes vulpes
825 observations
Coyote
Canis latrans
778 observations
Mountain Cottontail
Sylvilagus nuttallii
764 observations
Muskrat
Ondatra zibethicus
726 observations
Brown Bear
Ursus arctos
675 observations
American Pika
Ochotona princeps
495 observations
Snowshoe Hare
Lepus americanus
468 observations
American Bison
Bos bison
462 observations · iNaturalist
Common Raccoon
Procyon lotor
439 observations
North American Porcupine
Erethizon dorsatum
394 observations
Striped Skunk
Mephitis mephitis
333 observations
American Mink
Neogale vison
286 observations
Uinta Ground Squirrel
Urocitellus armatus
278 observations · iNaturalist
American Badger
Taxidea taxus
273 observations
Gray Wolf
Canis lupus
271 observations
Yellow-pine Chipmunk
Neotamias amoenus
271 observations
Least Chipmunk
Neotamias minimus
240 observations
Mountain Lion
Puma concolor
221 observations
Domestic Cat
Felis catus
220 observations
Richardson's Ground Squirrel
Urocitellus richardsonii
207 observations
Western Deer Mouse
Peromyscus sonoriensis
173 observations · iNaturalist
Long-tailed Weasel
Neogale frenata
167 observations · iNaturalist
North American River Otter
Lontra canadensis
166 observations
Bobcat
Lynx rufus
134 observations
Snake River Plains Ground Squirrel
Urocitellus idahoensis
117 observations · iNaturalist
European Rabbit
Oryctolagus cuniculus
114 observations · iNaturalist
Crater Chipmunk
Neotamias cratericus
110 observations · iNaturalist
Northern Pocket Gopher
Thomomys talpoides
86 observations · iNaturalist
Black-tailed Jackrabbit
Lepus californicus
84 observations
Pacific Marten
Martes caurina
79 observations · iNaturalist
Bushy-tailed Woodrat
Neotoma cinerea
74 observations
Idaho Ground Squirrel
Urocitellus brunneus
72 observations · iNaturalist
Red-tailed Chipmunk
Neotamias ruficaudus
66 observations · iNaturalist
Eastern Gray Squirrel
Sciurus carolinensis
61 observations
House Mouse
Mus musculus
56 observations
Mammals in nearby places
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