Oxpecker sitting on the forehead of an African Cape Buffalo in the Maasai Mara National Reserve, Kenya, East Africa, Africa

Close-up of Cape buffalo (Syncerus caffer) carrying Red-billed Oxpecker (Buphagus erythrorhynchus) in Chobe National Park, Botswana

Close-up of hippopotamuses (Hippopotamus amphibius) lying on sandy beach, with oxpeckers perched on their backs, in Serengeti National Park, Tanzania