Hippopotamuses (Hippopotamus amphibius) in the river Khwai, Okavango Delta, Botswana, Africa

hippopotamuses hippopotamus amphibius river khwai okavango delta botswana africa hippopotamus hippos fight fighting river water splash splashing teeth mouth open animals wildlife nature day sunny african africa mammal large wild aggressive power aquatic dangerous safari animal behavior fight scene competition animal kingdom animal world nature scene wildlife sanctuary savanna water habitat hippo habitat wet freshwater