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