Winter Wolves and Wildlife of Yellowstone Multi Day

Bighorn Sheep Rams.

Black Wolf in Yellowstone National Park

Canary Spring at Mammoth Hot Springs in Yellowstone.

A bull bison digs through snow in Yellowstone's Lamar Valley

SnowCoach expedition into the interior of Yellowstone.

Coyote in Yellowstone's Northern Range.

Wolf with Winter Killed Bison in Yellowstone.

Bearthooth Mountains as viewed from Yellowstone

Pronghorn Antelope in Yellowstone near Gardiner MT

Yellowstone's Lamar Valley

Howling wolf in Yellowstone.

Ravens are a common sight on winter tours of Yellowstone