Not uncommon scene in sub-Saharan Africa

Photo: Tony Karumba /AFP / Getty Images

"Excuse me, is this spot taken?"

A Red-billed Oxpecker (Buphagus erythrorhynchus) rests on the head of a female buffalo, at a waterhole at the Tsvao West National Park, near Voi in Nairobi, capital of Kenya.   There is also a Yellow-billed Oxpecker is the same part of Africa, and the two species make up the family Buphagiae   Recent studies have grouped the oxpeckers together with starlings, mockingbirds and thrashers.
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BarrytheBirder