Bison Cow and Calf
A bison calf sticks close to its mother.
Just Like the Big Boys
Two bison calves butt heads in play.
Lone bull
A lone bull stands at dawn on a frosty May morning.
Bison Morning Breath
A bison bull's breath is visible on a frosty morning in Hayden Valley, Yellowstone National Park.
Snow Bison
Bison in heavy snowstorm searches for grass under the snow. Black-tailed Plateau, Yellowstone National Park.
Frost Bison
Lamar Valley, Yellowstone National Park - In the morning, I come upon a bison covered in hoarfrost during freezing fog in -22F temperatures.
Sparring Bulls
Two bulls fight to show which is most dominate and gets the right to mate.
New Bison Calf
A newborn bison calf stands in sagebrush as it begins to snow. Lamar Valley, Yellowstone National Park, Wyoming, May 2, 2019.
Bison Reflection
A string of bison moving down the trail are reflected in a pond. Yellowstone National Park, May 2019.
Charging Bison
A young bison bull charges across the snow at sun up.
Bucking Bull
A young bison bull charges and bucks kicking up a cloud of snow at dawn.
Eye and Horn
A detailed close up study of a bison's face.
Crossing the Madison
Yellowstoe's interior bison herd crosses the fridged Madison River as it moves up the valley.
