Ключевые слова: american, animal, beast, big, bison, brown, buffalo, bull, cattle, closeup, conservation, corral, endangered, environment, european, farm, fauna, field, fur, grass, grassland, grazing, herbivore, hoof, horn, large, male, mammal, meadow, muzzle, national, nature, north, outdoor, paddock, park, plain, portrait, prairie, ranch, snout, summer, tourism, ungulate, usa, west, wild, wildlife, yellowstone, zoo,