Grey heron (Ardea cinerea) at dawn posted on the back of a hippopotamus (Hippopotamus amphibius) at a waterhole. Kruger NP South Africa

hippopotamus amphibius ardea cinerea hippopotamus hippopotamus amphibius sunrise posing rest profile shot overview reflection watering place bathe kruger national park hippopotamus biosphere reserve morning ardea grey heron ardea cinerea vulnerable national park transborder park least concern june water surface nobody great limpopo transfrontier park hippopotamuses hippopotamus amphibius sunrises posed pose settlings settling siestas resting siesta rested restful make the siesta making the siesta being lazy be lazy profile sights profile sight profile shots profile view profile views side view overviews global sight global sights full length reflections mirror image reflected reflecting backwaters watering places backwater waterhole waterholes baths bathing have a bath having a bath bath soaking bathed bathings biosphere reserves dawn daybreak daybreaks mornings day rise cockcrow grey herons ardea cinerea vulnerable species national parks sensitive natural areas transnational park transnational parks transborder parks transfrontier park transfrontier parks least concern species water surfaces watersurface watersurfaces with nobody hippopotamus hippopotamidae sp even toed ungulate ungulate mammal wild animal sun space shot light effect freshwater wetland area area limpopo province south africa southern africa africa hippopotamidae artiodactyla mammalia synapsida vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota environment protection environment management biodiversity management environment twilight atmosphere ambiance ardeinae ardeidae ciconiiformes aves tetrapoda heron surfbird bird threatened endangered species iucn red list of threatened species species convention on international trade in endangered species of wild cites low risk iucn) lr water matter matter substance individual