Closeup Of River Hippopotamus Head While Walking In Water Then Dip Under

hippo hippopotamus head water river walking dip under river hippopotamus zoo river hippo hippopotamus amphibius common hippo animal mammal closeup outdoor park huge wilderness behaviour common hippopotamus close up big habitat aquatic fauna common herbivore vulnerable wet fat safari behavior danger natural eye environment massive wildlife nature large lake no people amphibius wild animals in the wild dangerous