adult southern white rhinos wallowing in mud as a young calf watches

wildlife animal mammal grass grassland pasture prairie meadow wilderness grazing tree plant plain savanna nature field wetland pet acacia adults calf africa african beautiful behaviour big ceratotherium simum east ecosystem evening grazer green group habitat herbivore horn introduced kenya lake nakuru landscape largest extant species light mammals megaherbivore moody abundant subspecies mud national park threatened pure rain rainy rhinoceros social southern white rhino square-lipped terrestrial poaching trees wallowing wild adult rhinos young watches