Dall Sheep, Dall's Sheep, dalls sheep, sheep, Alaska wildlife, horizontal, mammal, animals, mammals, ungulates, ungulate, animal, wildlife, fauna, dominance behavior, dominance, behavior, clash, fight, fighting, rut, rutting, conflict, butt heads, aggressive, aggression, thinhorn sheep, thinhorn mountain sheep, mountain sheep, North America, Alaska, Denali National Park, Ovis dalli, white sheep, wild sheep, photos, photo, photograph, photographs, image, images, picture, pictures, stock, of, agency, leesonphoto