Ключевые слова: africa, african, amphibius, animal, behavior, big, brown, bush, chobe, chobenationalpark, close, closeup, creature, dangerous, eat, eating, fat, feeding, game, grass, graze, grazing, green, head, herbivore, hippo, hippopotamus, isolated, large, mammal, national, natural, nature, outdoors, park, reserve, safari, skin, south, standing, vacation, wild, wilderness, wildlife,