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White-tailed Deer
Odocoileus virginianus
2,909 observations
Columbian Ground Squirrel
Urocitellus columbianus
2,276 observations
Bighorn Sheep
Ovis canadensis
2,242 observations
Mule Deer
Odocoileus hemionus
2,222 observations
Mountain Goat
Oreamnos americanus
2,063 observations
Wapiti
Cervus canadensis
1,719 observations
Pronghorn
Antilocapra americana
1,644 observations
Moose
Alces alces
1,578 observations
American Black Bear
Ursus americanus
1,524 observations
American Red Squirrel
Tamiasciurus hudsonicus
1,434 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
1,244 observations
Hoary Marmot
Marmota caligata
988 observations
Brown Bear
Ursus arctos
730 observations
American Bison
Bos bison
664 observations
Red Fox
Vulpes vulpes
648 observations
Eastern Fox Squirrel
Sciurus niger
551 observations
Mountain Cottontail
Sylvilagus nuttallii
528 observations
American Beaver
Castor canadensis
528 observations
Yellow-bellied Marmot
Marmota flaviventris
483 observations
Black-tailed Prairie Dog
Cynomys ludovicianus
379 observations
Coyote
Canis latrans
375 observations
Muskrat
Ondatra zibethicus
375 observations
Richardson's Ground Squirrel
Urocitellus richardsonii
343 observations
American Pika
Ochotona princeps
316 observations
Snowshoe Hare
Lepus americanus
293 observations
North American Porcupine
Erethizon dorsatum
259 observations
Common Raccoon
Procyon lotor
243 observations
Gray Wolf
Canis lupus
196 observations
Mountain Lion
Puma concolor
162 observations
American Badger
Taxidea taxus
160 observations
Striped Skunk
Mephitis mephitis
157 observations
Yellow-pine Chipmunk
Neotamias amoenus
145 observations
Least Chipmunk
Neotamias minimus
125 observations
Western Deer Mouse
Peromyscus sonoriensis
124 observations
American Mink
Neogale vison
116 observations
Long-tailed Weasel
Neogale frenata
113 observations
Uinta Ground Squirrel
Urocitellus armatus
108 observations
White-tailed Jackrabbit
Lepus townsendii
87 observations
Bobcat
Lynx rufus
83 observations
Domestic Cat
Felis catus
72 observations
Uinta Chipmunk
Neotamias umbrinus
72 observations
North American River Otter
Lontra canadensis
68 observations
Northern Pocket Gopher
Thomomys talpoides
65 observations
Domestic Horse
Equus caballus
64 observations
Desert Cottontail
Sylvilagus audubonii
62 observations
European Rabbit
Oryctolagus cuniculus
58 observations
Bushy-tailed Woodrat
Neotoma cinerea
55 observations
Red-tailed Chipmunk
Neotamias ruficaudus
50 observations
Canada Lynx
Lynx canadensis
36 observations
Pacific Marten
Martes caurina
36 observations
Frequently Asked Questions
- The 10 most common mammals in Montana are:
- White-tailed Deer (Odocoileus virginianus)
- Columbian Ground Squirrel (Urocitellus columbianus)
- Bighorn Sheep (Ovis canadensis)
- Mule Deer (Odocoileus hemionus)
- Mountain Goat (Oreamnos americanus)
- Wapiti (Cervus canadensis)
- Pronghorn (Antilocapra americana)
- Moose (Alces alces)
- American Black Bear (Ursus americanus)
- American Red Squirrel (Tamiasciurus hudsonicus)
- The most observed mammal in Montana is White-tailed Deer (Odocoileus virginianus), with 2,909 recorded observations.
- Some of the most commonly observed native mammals in Montana include:
- Red-tailed Chipmunk (Neotamias ruficaudus)