closeup of hippopotamus in water

african amphibius animal bush closeup country crater diurnal east family foraging grazing gregarious herbivore hippo hippopotamus horse image infant ivory kiboko lake located mammal mammalia manyara muzzle name national ngorogoro nocturnal park pond river safari savanna scientific serengeti serengetitarangire swaheli swamp taken tanzania tarangire teeth troop tusks wallowing wild wildlife young