Roosevelt Elk, Olympic Elk, elk, elks, wapiti, Cervus elaphus, Mammal, mammals, animals, hoofed mammal, hoofed mammals, hoofed, animal, wildlife, fauna, ungulate, ungulates, herbivore, bull, male, antler, antlers, rut behavior, mating behavior, behavior, bugling, bugle, challenge, communicate, communication, communicating, temperate forest, North America, Pacific Northwest, Washington, vertical, photos, photo, photograph, photographs, image, images, picture, pictures, stock, of, agency, leesonphoto