The tracks of a pair of moose in the snow and sand.
Moose scat in the snow
A Richardson's Ground Squirrel pokes its head out from its burrow
A Richardson's Ground Squirrel emerges from its burrow and into the daylight
Crouching ground squirrel prepares to dive into its burrow
A porcupine sniffs at new shoots of grass in early April
A porcupine walking across dried grass.
Quills on the porcupine's tail and backside
A porcupine in April strolls across the previous year's tried grass
Branches from which beaver has stripped off the bark
A cottonwood tree toppled by a busy beaver
The brown and tan thirteen-lined ground squirrel
A side view of the thirteen-lined ground squirrel
Two moose bulls in the snowy Missouri River bottoms in front of Fort Union Trading Post.
Two moose bulls in the Missouri River bottoms, with tree line and bluffs in the background.
Two moose bulls poised to tussle in snow-covered Missouri River bottoms in front of Fort Union.
Two moose bulls with their antlers locked in a contest of wills
A large-antlered moose bull stares into the camera
Fort Union Trading Post National Historic Site

A Porcupine

A porcupine in April ambles across the previous year's dried grass to sniff at the new shoots beginning to appear. Porcupines can sometimes be found high in the trees edging the river's current and former banks. For food, they will gnaw the bark of branches.

NPS Photo / Fred MacVaugh
2000 x 3000
2.2 MB

Copyright and Usage Info

*Images credited to NPS without any copyright symbol are public domain. Images credited with a copyright symbol (indicating that the creator may maintain rights to the work) or credited to any entity other than NPS must not be presumed to be public domain; contact the host park or program to ascertain who owns the material.

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fort union trading postwildlifeporcupinenorth dakotaspring

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