Ключевые слова: american, animal, beast, big, bison, brown, buffalo, bull, dangerous, ecology, endangered, environment, field, forager, fur, grass, grassland, grazer, green, habitat, hair, herbivore, herd, horn, huge, icon, landscape, large, mammal, meadow, national, nature, outdoor, park, prairie, rare, refuge, roam, russia, species, summer, usa, vegetarian, west, wild, wilderness, wildlife, wyoming, yellowstone,