Andrew Parkinson / Yellow billed hornbill {Tockus flavirostris} Etosha NP, Namibia

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

Mary McDonald / Yellow-billed Hornbill (Tockus flavirostris) perched in tree, Samburu Game Reserve, Kenya

Suzi Eszterhas / Yellow-billed hornbill {Tockus flavirostris} Sarara Camp, Namunyak Conservancy, Northern Rangelands, Kenya

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

Pete Oxford / Yellow Billed Hornbill {Tockus flavirostris} Moremi Wildlife Reserve Okavango, Botswana.

Jeff Vanuga / Yellow billed hornbilll {Tockus flavirostris} Samburu National Reserve, Kenya, Africa.

Tony Heald / Yellow billed hornbill feeds on fruit (Tockus flavirostris) Etosha NP Namibia

Andrew Parkinson / Yellow billed hornbill {Tockus flavirostris} Etosha NP, Namibia

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 / Yellow billed hornbill flying to nest hole {Tockus flavirostris} Botswana

Richard Du Toit / Yellow billed hornbill {Tockus flavirostris}profile portrait, Malamala GR, South Africa

Richard Du Toit / Yellow billed hornbill display {Tockus flavirostris} Moremi WR, Botswana

Richard Du Toit / Yellow billed hornbill {Tockus flavirostris} Etosha NP, Namibia.

Richard Du Toit / Yellow billed hornbills {Tockus flavirostris} Etosha NP, Namibia.

Richard Du Toit / Yellow billed hornbill (Tockus flavirostris) Botswana Moremi WR.

Richard Du Toit / Yellow billed hornbill (Tockus flavirostris. Moremi reserve, Botswana, Southern Africa

Tony Heald / Yellow billed hornbill {Tockus flavirostris} Moremi WR, Botswana, Africa

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

Andrew Parkinson / Yellow billed hornbill {Tockus flavirostris} Kgalagadi TFP S Africa Transfrontier