Bull elk crossing the Madison River at sunrise in Yellowstone National Park Wyoming.
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.
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 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.
