Ключевые слова: africa, african, african animal, amphibius, animal, animals, aquatic, baby, baby hippo, background, big, body, botswana, brown, choeropsis, chonburi, cute, dangerous, dwarf, east africa, endangered, environment, fat, fauna, grass, head, herbivore, hexaprotodon liberiensis, hippo, hippopotamus, hippopotamus amphibius, hippopotamus in water, khao kheow open zoo, lake, large, mammal, mammals, moo deng, mouth, natural, nature, pygmy, small, thailand, tropical, water, wild, wildlife, young, zoo,