juvenile hippos play-fighting in kazinga channel

animal mammal wildlife zoo seal horn elephant pet reptile bear sculpture safari primate bovine dog baby sub-adult hippo playing kazinga channel queen elizabeth national park uganda juvenile hippos play fighting play-fighting action africa african animal background behaviour big clean common hippopotamus dangerous fauna fight green hippo hippopotamus amphibius huge juveniles channel large learning mammal megaherbivore mouth national park natural nature nile outdoor playfighting playful elizabeth river river safari semi-aquatic semiaquatic mammals teeth territorial third largest land tourism travel uganda vulnerable vulnerable fauna water wild wildlife young