Denis-Huot / Ground hornbill (Bucorvus leadbearti) portrait, Nakuru National Park, Kenya

Denis-Huot / Ground hornbill (Bucorvus leadbearti) catching an insect, Masai-Mara Game Reserve, Kenya

Denis-Huot / Ground hornbill (Bucorvus leadbearti) catching a snake, Masai-Mara Game Reserve, Kenya

Denis-Huot / Ground hornbill (Bucorvus leadbearti) catching a hare, Masai-Mara Game Reserve, Kenya

Murray Cooper / Ground Hornbill (Bucorvus leadbeateri) male, Kruger National Park, South Africa

Christophe Courteau / Ground Hornbill (Bucorvus leadbeateri) Okavango delta, Botswana

Charlie Summers / Southern Ground hornbill (Bucorvus leadbeateri) gathering nesting material in a riverbed in Lake Manyara National Park, Tanzania

Charlie Summers / Southern Ground hornbill (Bucorvus leadbeateri) gathering nesting material in a riverbed in Lake Manyara National Park, Tanzania

Richard Du Toit / Ground Hornbill (Bucorvus leadbeateri) in tree, Kruger National Park, South Africa

Matthias Breiter / Ground Hornbill (Bucorvus leadbeateri), Okavango Delta, Botswana

Ole Jorgen Liodden / Southern Ground Hornbill (Bucorvus leadbeateri) about to catch a large beetle in its beak. Masai Mara, Kenya, September.

Anup Shah / Southern ground hornbill (Bucorvus leadbeateri)Masai Mara National Reserve, Kenya