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

hippopotamus hippopotamus amphibius river khwai okavango delta botswana africa hippopotamus hippo family calf mother river sunset african wildlife mammal water nature animal wild africa golden light relax resting peaceful herd population thriving environment conservation endangered habitat beautiful scene day evening warm light dusk travel safari wild animals large animal animal behavior hippopotamus behavior