John Waters / Southern Yellow billed Hornbill {Tockus leucomelas} Kalahari Desert, Northern Cape, South Africa

Christophe Courteau / Portrait of a Southern yellow billed hornbill {Tockus leucomelas}, Okavango Delta, Botswana.

Brent Stephenson / Southern Yellow-billed Hornbill (Tockus leucomelas) perched in a shrub in evening light. Kruger National Park, South Africa, January.

Chris Gomersall / Male Southern yellow billed hornbill (Tockus leucomelas) perched in acacia tree, Etosha National Park, Namibia, November

Tim Laman / Southern yellow-billed hornbill (Tockus leucomelas) perched on rock, with Impala in background. Kruger National Park, South Africa.

Tim Laman / Southern yellow-billed hornbill (Tockus leucomelas) perched on thorn bush. Kruger National Park, South Africa.

Jouan & Rius / Southern Yellow billed Hornbill (Tockus leucomelas) Etosha NP, Namibia

John Waters / Southern Yellow-billed Hornbill {Tockus leucomelas} Kalahari Desert, Northern Cape, South Africa

Richard Du Toit / Southern Yellow-billed Hornbill (Tockus leucomelas) portrait, Savuti, Chobe National Park, Botswana

Gabriel Rojo / Southern yellow billed hornbill {Tockus leucomelas} Kruger National Park, South africa

Gabriel Rojo / Southern yellow billed hornbill {Tockus leucomelas} Kruger National Park, South Africa

Gabriel Rojo / Southern yellow billed hornbill {Tockus leucomelas} preening, Kruger National Park, South Africa

Gabriel Rojo / Southern yellow billed hornbill {Tockus leucomelas} Kruger National Park, South africa

Gabriel Rojo / Southern yellow billed hornbill {Tockus leucomelas} preening, Kruger National Park, South Africa

Gabriel Rojo / Southern yellow billed hornbill {Tockus leucomelas} preening, Kruger National Park, South Africa

Gabriel Rojo / Southern yellow billed hornbill {Tockus leucomelas} preening, Kruger National Park, South Africa

Gabriel Rojo / Southern yellow billed hornbill {Tockus leucomelas} preening, Kruger National Park, South Africa

David Shale / Southern yellow billed hornbill {Tockus leucomelas} Kruger NP, South Africa

Paul Hobson / Southern yellow billed hornbill {Tockus leucomelas} Namibia

Onne van der Wal / Southern yellow-billed hornbill (Tockus leucomelas) perched on tree branch, Motswari private game reserve, northern South Africa.

Richard Du Toit / Southern Yellow-billed Hornbill (Tockus leucomelas) feeding on insect, Limpopo, South Africa