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.
American Bison foraging for food in the snow in the Lamar Valley Yellowstone National Park Wyoming.
American Bison posing in early morning light in Yellowstone National Park Wyoming.
Caribou herd crossing the Thelon River in Northwest Territories Canada.
Buck whitetail deer posing in fall color in Cades Cove in Great Smoky Mountains National Park Tennessee.
Caribou grazing in Denal National Park Alaska.
Coyote sneaking up on an unsuspecting videographer in Yellowstone National Park Wyoming.
Bull elk bugling in Hayden Valley in Yellowstone National Park Wyoming.
Bull elk with frost on its back posing at sunrise in Gibbon Meadows in Yellowstone National Park Wyoming.
Fawn elk resting in Gibbon Meadows in Yellowstone National Park Wyoming.
Bull elk crossing the Madison River at sunrise in Yellowstone National Park Wyoming.
Bull Elk walking in deep snow in Yellowstone National Park Wyoming.
Blue phase Arctic Fox kit posing in a bed of lupines on St. George part of the Pribilof Islands Alaska.