Hippopotamus with open mouth showing large teeth in a river water surface

Two wild hippopotamus fighting with open mouths in the river water during a safari wildlife encounter

Bleached hippopotamus skull with large tusks resting on a rock in a grassy savanna environment

Hippopotamus with wide open mouth swimming in the river water during a sunny day in the wild

Two hippopotamuses fighting with open mouths in a river during a wildlife safari in africa

Bleached hippopotamus skull with large tusks resting on a rock in the african savanna grassland