Bird being fed on the back of a Hippopotamus (Hippopotamus amphibius), Botswana, Africa

africa african amphibius animal animals artiodactyla aves back being bird bird birds botswana botswanan day daylight daytime during even even toed exterior exteriors fauna fed feed feeding feeds hippo hippopotami hippopotamus hippopotamuses hippos kingdom mammal mammalia mammalian mammalians mammals nature nobody on outdoor photo photos shot shots tetrapod toed toed ungulate ungulates vertebrata vertebrate vertebrates wild wildlife world