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White-tailed Deer
Odocoileus virginianus
2,634 observations
Bighorn Sheep
Ovis canadensis
1,979 observations
Mule Deer
Odocoileus hemionus
1,944 observations
Columbian Ground Squirrel
Urocitellus columbianus
1,900 observations
Mountain Goat
Oreamnos americanus
1,792 observations
Elk
Cervus canadensis
1,599 observations
Pronghorn
Antilocapra americana
1,507 observations
Moose
Alces alces
1,422 observations
American Black Bear
Ursus americanus
1,308 observations
American Red Squirrel
Tamiasciurus hudsonicus
1,234 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
1,048 observations
Hoary Marmot
Marmota caligata
845 observations
American Bison
Bison bison
643 observations
Brown Bear
Ursus arctos
638 observations
Red Fox
Vulpes vulpes
583 observations
Eastern Fox Squirrel
Sciurus niger
527 observations
American Beaver
Castor canadensis
498 observations
Mountain Cottontail
Sylvilagus nuttallii
476 observations
Yellow-bellied Marmot
Marmota flaviventris
437 observations
Coyote
Canis latrans
361 observations
Muskrat
Ondatra zibethicus
355 observations
Black-tailed Prairie Dog
Cynomys ludovicianus
347 observations
Richardson's Ground Squirrel
Urocitellus richardsonii
306 observations
American Pika
Ochotona princeps
283 observations
Snowshoe Hare
Lepus americanus
271 observations
North American Porcupine
Erethizon dorsatum
244 observations
Common Raccoon
Procyon lotor
215 observations
Gray Wolf
Canis lupus
186 observations
Mountain Lion
Puma concolor
152 observations
American Badger
Taxidea taxus
144 observations
Striped Skunk
Mephitis mephitis
141 observations
Yellow-pine Chipmunk
Neotamias amoenus
132 observations
Least Chipmunk
Neotamias minimus
120 observations
Western Deer Mouse
Peromyscus sonoriensis
114 observations
American Mink
Neogale vison
107 observations
Long-tailed Weasel
Neogale frenata
102 observations
Uinta Ground Squirrel
Urocitellus armatus
85 observations
White-tailed Jackrabbit
Lepus townsendii
81 observations
Bobcat
Lynx rufus
77 observations
North American River Otter
Lontra canadensis
65 observations
Domestic Cat
Felis catus
65 observations
Uinta Chipmunk
Neotamias umbrinus
64 observations
Desert Cottontail
Sylvilagus audubonii
61 observations
Northern Pocket Gopher
Thomomys talpoides
58 observations
European Rabbit
Oryctolagus cuniculus
56 observations
Domestic Horse
Equus caballus
56 observations
Bushy-tailed Woodrat
Neotoma cinerea
52 observations
Red-tailed Chipmunk
Neotamias ruficaudus
44 observations
Canada Lynx
Lynx canadensis
34 observations
Pacific Marten
Martes caurina
34 observations
Frequently Asked Questions
- The 10 most common mammals in Montana are:
- White-tailed Deer (Odocoileus virginianus)
- Bighorn Sheep (Ovis canadensis)
- Mule Deer (Odocoileus hemionus)
- Columbian Ground Squirrel (Urocitellus columbianus)
- Mountain Goat (Oreamnos americanus)
- Elk (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 2,634 recorded observations.
- Some of the most commonly observed native mammals in Montana include:
- Red-tailed Chipmunk (Neotamias ruficaudus)