This dietary difference is thought to be why red-billed oxpeckers generally
yellow-billed oxpeckers spend their daylight hours pickingticks off a variety of large African mammals.(Snapshot Serengeti and the Serengeti Lion Project)
roost in trees at night, whereas yellow-billed oxpecks prefer to roost directly on big animals. Because red-billed oxpeckers are more equal-opportunity eaters, they may have an easier time finding a prey item each morning, according They’ve got a better diet and can fly much higher than the dwarf hamsters that live in your basement.