An adult male hippopotamus (Hippopotamus amphibius) shows aggression and defends its territory

deserted male animal water observation river body of water hippo wild animal animal africa wildlife herbivore even toed ungulate male safari dangerous big danger mammal risk defend aggression adult isolated one animal aquatic wildlife photography wildlife observation outdoors natural environment hippopotamus no one waterfront observing waters river horse animals in the wild fauna safari drive large mammalian venture 1 animal animal watching outside habitat no people adult male wildlife great watching wildlife natural habitat nobody uninhabited empty male animals observations rivers hippos wild animals animals herbivores even toed ungulates males safaris dangers mammals defending aggressions wildlife observations natural environments hippopotamuses river horses mammalians water body water area open water defends outdoor out open sky