Hippopotamus (Hippopatamus amphibius), adult, in water, threatening, yawning, Saint Lucia Estuary, Isimangaliso Wetland Park, Kwazulu Natal, South Africa, Africa

deserted no one no people nobody uninhabited empty yawn yawning yawns water waters waterfront hippopotamus amphibius hippo hippos river horse river horses hippopatamus amphibius wild animal wild animals animals in the wild wildlife animal behaviour animal behaviour animal animals nature open air south africa republic of south africa rsa africa wildlife fauna threaten threatening threatens intimidate intimidating intimidates threatening even toed ungulate artiodactyla even toed ungulates natural preserve natural preserves nature park natural park nature park naturpark reserve reserves protected area sanctuary conservation area in water in the water on water threatening menacing south african national park national parks np np threat threats mammal mammalia mammals mammalian mammalians aggressive belligerent aggressively nature reserve nature reserves natural preserve natural preserves nature conservation area nsg natural reserve environmental reserve aggression aggressions adult wildlife photography wildlife photography kwazulu natal kwazulu natal province kwazulu natal posture postures isimangaliso wetland park isimangaliso wetland national park greater st lucia wetland park adult animal adult animals old animal natural environment natural habitat habitat natural environments attack position hippopotamidae hippopotamus hippopotamuses saint lucia estuary mature matures southern africa