Ключевые слова: adult, aggresive, animal, behavior, bellowing, bison, bison bonasus, bovidae, bovine, breeding, brown, buffalo, bull, cattle, dominant, endangered, european, extinction, fauna, fur, habitat, head, horns, icon, male, mammal, moo, national, nature, open mouth, ox, pairing season, portrait, powerful, quadruped, reserve, roar, ruminant, rut, species, summer, survival, symbol, wild, wildlife, wisent, zoology,