Ключевые слова: america, american, animal, bison, brown, buffalo, bull, field, fur, furry, game, geothermal, geyser, grant, grass, grazing, green, habitat, hayden, hayden valley, head, herbivore, herd, horns, idaho, landscape, male, mammal, meadow, montana, national, national park, native, nature, north, park, plains, prairie, river, ungulate, united states, valley, water, west, wild, wilderness, wildlife, wyoming, yellowstone, yellowstone national park,