red-billed oxpeckers drinking the blood of a cape buffalo

africa african animal artiodactyla aves blood bovidae bovinae bovine buffalo bull buphagidae buphagus caffer cape cloven drinking east erythrorhynchus fauna herbivore hoofed horned indigenous its male mammal mammalia national native oxpecker oxpeckers park passeriformes photograph photography redbilled ruminant safari savanna savannah side stock syncerus tanzania tarangire wild wildlife wound