Fawn elk resting in Gibbon Meadows in Yellowstone National Park Wyoming.
Bull elk with frost on its back posing at sunrise in Gibbon Meadows in Yellowstone National Park Wyoming.
Bull elk bugling in Hayden Valley in Yellowstone National Park Wyoming.
Coyote sneaking up on an unsuspecting videographer in Yellowstone National Park Wyoming.
Caribou grazing in Denal National Park Alaska.
Buck whitetail deer posing in fall color in Cades Cove in Great Smoky Mountains National Park Tennessee.
Caribou herd crossing the Thelon River in Northwest Territories Canada.
American Bison posing in early morning light in Yellowstone National Park Wyoming.
American Bison foraging for food in the snow in the Lamar Valley Yellowstone National Park Wyoming.
Caribou with antlers covered in velvet posing in Denali National Park Alaska.
American Beaver swimming in the pond behind the Wonder Lake Ranger Station in Denali National Park Alaska.
Black bear foraging for food in early spring in Cades Cove, Great Smoky Mountains National Park, Tennessee
Coyote with snow on its face walking out of a patch of sagebrush in Yellowstone National Park Wyoming.
American Bison scratching belly on a boulder in Yellowstone National Park Wyoming.
Dall sheep ram posing on a boulder against blue sky on Primrose Ridge in Denali National Park Alaska.
Muskox posing in fall tundra near the Dalton Highway in Alaska.
Muskox posing in the fall color of the tundra of Northwest Territories Canada.
Two bull moose sparing Anchorage Alaska.
Bull moose posing Anchorage Alaska.
Head shot of bull moose on the Power Line Trail, Chugach State Park, Alaska.
White Arctic Fox posing in the snow near Churchill Manitoba Canada.
Silhouette of caribou antler with skull at sunset in Northwest Territories Canada.
