Muskox posing in the fall color of the tundra of Northwest Territories Canada.
Muskox posing in fall tundra near the Dalton Highway in Alaska.
Dall sheep ram posing on a boulder against blue sky on Primrose Ridge in Denali National Park Alaska.
Nanny mountain goat with her kid pose against the blue sky on top of a boulder on Mount Evans Colorado.
Two bighorn sheep rams interacting.
Dall sheep interacting by touching heads on Slope Mountain near the Haul Road in Alaska.
Dall sheep lamb nursing on Slope Mountain near the Haul Road in Alaska.
