Pronghorn buck (Antilocapra americana), Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Bison in the Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Bison in the Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Bison herd in early morning sun, Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Sunrise over the Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Adult bison (Bison bison) with young grazing in Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Pronghorn antelope (Antilocapra americana) in Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Male big horn sheep in snow, Lamar Valley, Montana, United States of America, North America

Single tree in snow coverd field, Lamar Valley, Montana, United States of America, North America

Bison (Bison bison), with long shadows and footprints in Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Bisons in snow, Lamar Valley, Montana, United States of America, North America

Bisons in snow, Lamar Valley, Montana, United States of America, North America

Bisons in snow, Lamar Valley, Montana, United States of America, North America

Single tree in snow covered field, Lamar Valley, Montana, United States of America, North America

Pronghorn antelope (Antilocapra americana) in Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Bison and cottonwood tree in Lamar Valley, Yellowstone National Park.

Bison in Lamar Valley, Yellowstone National Park, Wyoming, USA.

Bison in Lamar Valley, Yellowstone National Park, Wyoming.

Moonrise Lamar Valley Yellowstone National Park WY

American Bison bull (Bison bison) walking through winter snow in the Lamar Valley, Yellowstone National Park; Wyoming, United States of America