A bison grazes in the snow at Rocky Mountain Arsenal National Wildlife Refuge outside of Denver.

A big brown wooly animal with horns grazes in the snow at Rocky Mountain Arsenal National Wildlife Refuge outside of Denver.

A bison grazes in the snow at Rocky Mountain Arsenal National Wildlife Refuge outside of Denver.

Banner Image
Photo By/Credit
John Carr/USFWS
Recreational Activity
Media Usage Rights/License
Public Domain
Subject tags
Adaptation
Weather impacts
Wildlife
Wildlife viewing