Adult animal Aggressive Animal portrait Animal theme Aware Beauty in nature Botswana Challenge Chobe national park Chobe river Color image Confrontation Cute Dark Day Face Front view Head and shoulders Hippo Hippopotamus amphibious Looking at camera Mean National park Nature Nile hippopotamus No people Non urban scene One animal Outdoors Photography River Safari animals Safari park Slick Strength Strong Surface level Swimming Travel destination Watchful Wet Wetland Wetlands Wildlife