Ключевые слова: adventure, american, animal, baby, bison, boardwalk, buffalo, curious, dead, discover, ecosystem, environment, evergreen, explore, family, forest, grass, green, interaction, large, laying, logs, mammal, mother, moving, natural, nature, outdoor, outside, pine, place, protected, roaming, running, scared, scenic, spooked, stampede, standing, tourism, travel, tree, vacation, visit, western, wood, wyoming, yellowstone national park, young,