Ключевые слова: american, animals, bison, bison bison, black and white, bovid, buffalo, bull, caldera, cattle, coat, cow, dog, forest, fur, graze, herbivores, herd, horn, juvenile, lamar, landmark, mammal, mating, mount, mountain, national park, nature, outdoors, park, pine, plain, range, red, river, road, season, sedge, supervolcano, tourism, tree, united states, usa, valley, volcanic, volcano, wildlife, wyoming, yellowstone,