Yellow-billed oxpeckers feed on ticks and dead skin off of African animals during the day.

Roosting oxpeckers seemed to have a particular fondnessfor giraffes' groins

Roosting oxpeckers seemed to have a particular fondnessfor giraffes’ groins.(Snapshot Serengeti and the Serengeti Lion Project)

The red-billed species, unlike them, feeds on a variety of large and medium-sized African animals, whereas yellow-billed oxpeckers prefer the largest mammals in the Serengeti, such as giraffes, buffalo, and an odd antelope called eland.