Ключевые слова: africa, african, aggressive, amphibious, amphibius, angry, animal, animals, aquatic, behavior, big, body, conservation, danger, dangerous, eye, fat, grass, grey, head, herbivore, hippo, hippopotamus, horizontal, huge, jaw, kenya, lake, large, mammal, massive, mouth, natural, nature, park, portrait, reserve, river, safari, small, south, tooth, water, wet, white, wide, wild, wilderness, wildlife, zoo,