hippo peering from the water in the okavango delta

adult adventure africa african aggressive amphibius angry animal animals aquatic big botswana danger dangerous dangerousness delta excitement eye fauna from game habitat hazard hazardousness head herbivore hippo hippopotamus huge lake mammal moremi mouth national natural nature okavango open park peering peril perilousness reserve risk riskiness river safari savanna savannah stimulation swim swimming teeth territorial thrill travel uncertainty water waterhole wild wilderness wildlife