A herd of pronghorn resting on a hill outside of Gardiner, Montana.
Mule deer outside of Gardiner, Montana
Bighorn sheep outside of Gardiner, Montana
Coyote in snow
Coyote with bison in background
Coyote in front of Lamar River
A coyote follows Yellowstone's Lamar River in winter
Bighorn sheep takes a stumble
Even the sure-footed Bighorn Sheep sometimes fall down on steep hills.
Ruffed grouse climbs a snow bank
Bison with snow falling
Bison feed on grass during a snowfall along Soda Butte Creek.