A lone American Bison walks across a meadow with geysers in the background
A grazing bison
A Bison calf
A Bison walks crosses a meadow
The famous Yellowstone Bison-crossing jams.
A Black bear sow skulks in the shadows
A female Elk.
A marmot looks out from its vantage point
A Coyote runs across a meadow
Another Coyote looks into the Hayden valley below