Hippopotamus (Hippopotamus amphibius) yawning, Serengeti National Park, Tanzania, East Africa, Africa

travel destination travel destinations travel travel photography colour image colour color image color horizontal outdoors outside day hippopotamus hippopotamus amphibius serengeti national park tanzania east africa africa large group of animals animal themes animal animals natural world fauna animal kingdom wild animal wildlife animal portrait portrait national park serengeti mammal mouth open nobody no one sirius collection