Ключевые слова: aggressive, america, animal, arsenal, bison, body, brown, buffalo, bull, colorado, country, cow, denver, dirt, eyes, field, footed, fuzzy, genetically, grass, graze, hair, heavy, herd, high, hoof, horn, large, mammal, mature, mountain, national, nature, outdoor, plains, prairie, pure, range, refuge, rocky, species, terrain, tough, ungulate, usa, wild, wildlife, winter,