Hippopotamus (Hippopotamus amphibius) with a red-billed oxpecker (Buphagus erythrorhynchus), Serengeti National Park, Tanzania, East Africa, Africa

photography colour colour image color color image horizontal horizontal image outdoors outside day nobody no one no one travel destination travel destinations travel hippopotamus hippopotamus amphibius amphibian herbivore hippo red billed oxpecker buphagus erythrorhynchus serengeti national park tanzania east africa africa african national park animal theme animal themes animal animals fauna mammal safari animal side view focus on foreground two animals wild animal wild animals wild animals in the wild head bird birds aves juxtaposition scale texture detail