Two hippos tussling in the water with mouths wide open in Khwai, Botswana

hippopotamus amphibius okavango delta moremi game reserve hippopotamus botswana hippo wildlife conservation africa mammal safari tussle grazer battle pod attack territory tourism tusk water bite khwai herbivore ripples dangerous splash river 4k 60fps playing biting big display shallow depth of field vicious fighting scenery vulnerable grass mouth exposed close huge green strength teeth bank gums pink