Hippo (Hippopotamus amphibius) is sitting in the water, opening his mouth and yawning. Botswana. Okavango Delta.

hippopotamus amphibius hippopotamus hippopotamus amphibius river adult group mouth tooth open profile shot overview yawn okavango delta hippopotamus wet vulnerable iucn national park interior delta unesco's world heritage october okavango river water surface hippopotamuses hippopotamus amphibius rivers adults groups mouths teeth hook zoology hooks zoology opened openings opening profile sights profile sight profile shots profile view profile views side view overviews global sight global sights full length yawns yawning yawnings soak soaked soaks vulnerable species national parks sensitive natural areas world heritage site water surfaces watersurface watersurfaces hippopotamus hippopotamidae sp even toed ungulate ungulate mammal wild animal animal body of water freshwater wetland area area stage of development individual enumeration morphology zoology morphology organism shot motion botswana protected areas botswana southern africa africa hippopotamidae artiodactyla mammalia therapsida synapsida vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota physical morphology threatened endangered species iucn red list of threatened species species environment protection environment management biodiversity management environment convention on international trade in endangered species of wild cites world river water matter matter substance