Suzi Eszterhas / Yellow-billed hornbill (Tockus flavirostris) perched in tree with food in beak. Sabi Sands Game Reserve, South Africa.

Richard Du Toit / Eastern Yellow-billed Hornbill (Tockus flavirostris) pair, Kruger National Park, South Africa

Richard Du Toit / Yellow-billed hornbill (Tockus flavirostrus) in flight, Kruger National Park, South Africa.

Richard Du Toit / Eastern Yellow-billed Hornbill (Tockus flavirostris), Kruger National Park, South Africa

Denis-Huot / Yellow-billed hornbill (Tockus flavirostris) Kruger National Park, South Africa

Richard Du Toit / Yellow-billed Hornbill (Tockus flavirostrus) portrait, Kgalagadi Transfrontier Park, Botswana

Suzi Eszterhas / Eastern Yellow-billed Hornbill (Tockus flavirostris), Sarara Camp, Namunyak Wildlife Conservancy, Kenya

Richard Du Toit / Eastern Yellow-billed Hornbill (Tockus flavirostris) adult arriving at nest hole with food for young, summer, Chobe National Park, Botswana

Richard Du Toit / Eastern Yellow-billed Hornbill (Tockus flavirostris) pair, Mapungubwe National Park, South Africa