Mammals of Glacier National Park
The 8 mammals you can find at Glacier National Park, like the American black bear — sizes, diets, and whether you should worry.
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Mammal American black bear
Ursus americanus
The bear you're most likely to meet east of the Rockies, a strong tree-climber that eats mostly plants and comes in black, brown, or cinnamon.
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Mammal American pika
Ochotona princeps
A small round cousin of the rabbit that lives in mountain rock piles at Rocky Mountain, Mount Rainier, and North Cascades, and never sleeps through winter.
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Mammal Bighorn sheep
Ovis canadensis
A wild sheep of cliffs and canyons, where rams carry heavy curled horns and both sexes cross steep rock other animals can't.
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Mammal Columbian ground squirrel
Urocitellus columbianus
The squeaking, upright little rodent standing outside its burrow in every open meadow at Glacier, and the animal you are most certain to see there.
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Mammal Grizzly bear
Ursus arctos horribilis
A big brown bear of the northern Rockies and Alaska, marked by a hump of muscle over its shoulders and long digging claws.
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Mammal Hoary marmot
Marmota caligata
The big silver-gray ground squirrel of the high meadows at Mount Rainier, famous for the sharp whistle it gives when danger is near.
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Mammal Moose
Alces alces
The largest deer in the world, a long-legged giant you might see wading in ponds at Grand Teton, Isle Royale, Denali, or Rocky Mountain.
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Mammal Mountain goat
Oreamnos americanus
A white, shaggy climber with black horns that lives on the steepest crags and pumice fields high on Mount Rainier, where almost nothing else can walk.