Adult animal Animal head Animal portrait Animal theme Close up Color image Cooling Cute Dangerous Day Drinking Eye Face Famous place H. a. amphibius Head Head and shoulders Herbivore Hippo Hippopotamus Hippopotamus amphibius Lake Large Looking at camera Lounging Majestic Muddy National park Nature Nile hippopotamus No people Non urban scene Nostril One animal Outdoors Photography Pink Profile Safari animals Safari park Serengeti Serengeti national park Side view Sleepy Standing Submerged Swimming Tanzania Travel destination Vulnerable species Water Waterhole Watering hole Wildlife Wildlife refuge World heritage site