The yellow-billed oxpecker is a passerine bird in the family Buphagidae. It was previously placed in the starling and myna family, Sturnidae.

The red-billed oxpecker is a mutualistic passerine bird in the oxpecker family, Buphagidae. It is native to the eastern savannah of sub-Saharan Africa, from the Central African Republic east to South Sudan and south to northern and eastern South Africa. It is more widespread than the yellow-billed oxpecker in Southern Africa, where their ranges overlap.