slow motion of three yellow-billed oxpeckers on hippo head, one with fluffed-up plumage, all three taking off, close-up shot

oxpecker yellowbilled tanzania birds wildlife conservation safari fauna africa zambia zimbabwe mud hippopotamus amphibius environment ear fly protection wilderness nature buphagus africanus unspoiled herbivore wild symbiosis mammal dirt takeoff dangerous simultaneity pachyderm fearless hop big hippopotamus outdoors massive parasite lazy hippo water