45 3 0Download size Original (5560 x 3825) Large (1920 x 1320) Medium (1280 x 880) Small (640 x 440) Black Hippopotamus on Green Grass africaanimalanimal photographyanimal worldbigbullclose-upgrassgrasslandhippopotamushipposhugelargemammalnatureoutdoorsparkreservesafarisavannastrongtreeswildwild animalwildlifewoods