Common Hippo (Hippopotamus amphibius), showdown, South Luangwa natioinal Park, Luangwa river, Zambia

hippopotamus amphibius crocodylus niloticus hippopotamus hippopotamus amphibius natural area adult fight competition rivalry inter specific overview zambia hippopotamus crocodylus nile crocodile crocodylus niloticus pair vulnerable national park september south luangwa national park water surface nobody hippopotamuses hippopotamus amphibius nature natural areas ecosystem ecosystems adults fighting disputed dispute disputing fighters fighter be in confrontation being in confrontation facing confrontation confrontations necking fights competitor competitors compete competing competitions rivalry competitions rivalries inter specific overviews global sight global sights full length duet pairs duets 2 two water edge banks rive water edges vulnerable species national parks sensitive natural areas least concern species water surfaces watersurface watersurfaces with nobody hippopotamus hippopotamidae sp even toed ungulate ungulate mammal therapsid synapsid vertebrate chordate wild animal animal naturalness area stage of development individual behavior relation between species species shot southern africa africa hippopotamidae artiodactyla mammalia cynodontia therapsida eupelycosauria synapsida tetrapoda tetrapodomorpha rhipidistia sarcopterygii euteleostomi gnathostomata vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota crocodylinae crocodylidae crocodylomorpha archosauria reptilia sauropsida crocodile reptile sauropsid enumeration freshwater wetland area threatened endangered species environment protection environment management biodiversity management environment convention on international trade in endangered species of wild low risk water matter matter