By Charles J. Sharp - Own work, from Sharp Photography, sharpphotography.co.uk, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=67993484
_adult_(L)_sub-adult_(R)_on_impala2.jpg)
Renostervoel
Sources:
(*) https://en.wikipedia.org/wiki/Red-billed_oxpecker
(*) https://ebird.org/species/reboxp1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=reboxp1