Ключевые слова: above, africa, african, amphibius, animal, behavior, behaviour, big, calm, danger, dangerous, eye, family, fauna, head, herbivore, herbivorous, hippo, hippopotamus, huge, hungry, lake, large, mammal, massive, mouth, national, natural, nature, nostrils, one, park, partial, pool, reserve, river, safari, show, single, smooth, south, southern, submerced, travel, water, wet, wild, wilderness, wildlife, zoo,