Loic Poidevin / African Green Pigeon (Treron calvus) on a branch, Masai Mara, Kenya. March.

Loic Poidevin / African Green Pigeon (Treron calvus) on a branch, Masai Mara, Kenya. March.

Loic Poidevin / African Green Pigeons (Treron calvus) interacting in a tree, Masai Mara, Kenya. March.

Ann & Steve Toon / Emerald-spotted dove wood (Turtur chalcospilos), Zimanga Private Game Reserve, South Africa.

Ole Jorgen Liodden / Emerald-spotted wood dove (Turtur chalcospilos) Zimanga, South Africa

Cyril Ruoso / African green pigeon (Treron calva) flock flying, Lake Lobak / Lobeke National Park, South East Cameroon, July.

Ann & Steve Toon / Emerald-spotted wood dove (Turtur chalcospilos), Zimanga private Game Reserve, KwaZulu-Natal, South Africa

Pete Oxford / Congo green pigeon (Treron calvus calvus) flock in flight, Lango Bai, Republic of Congo (Congo-Brazzaville), Africa.

Ralph Martin / African Green-Pigeon (Treron calvus) flock flying, Okavango Delta, Botswana

Jabruson / Nesting Green Pigeon (Treron calvus) in riverine forest along the Rutshuru river. Rwindi sector of the Virunga National Park, Democratic Republic of Congo.

Jabruson / Flock of Green Pigeons (Treron calvus) taking off after feeding, Rutshuru river. Rwindi sector of the Virunga National Park, Democratic Republic of Congo.

Pete Oxford / African Green-Pigeon (Treron calvus) flock flying, Lango Bai, Odzala-Kokoua National Park, Democratic Republic of the Congo

Cyril Ruoso / African Green-Pigeon (Treron calvus) flock flying, Cameroon

Martin Willis / African Green-Pigeon (Treron calvus) sunning itself on a branch, Lake Mburo National Park, Uganda

Tui De Roy / African Green-Pigeon (Treron calvus), Solio Game Reserve, Kenya

Patricio Robles Gil / Two African green pigeon {Treron calva} feeding in bush, Kruger NP, South Africa

Patricio Robles Gil / African green pigeon {Treron calva} perched in bush, Kruger NP, South Africa

Pete Oxford / African green pigeon (Treron calva) in bush. Okavango Delta, Botswana, Southern Africa

Pete Oxford / African Green-Pigeon (Treron calvus) flying near mineral lick, Lango Bai, Odzala-Kokoua National Park, Democratic Republic of the Congo

Pete Oxford / African Green-Pigeon (Treron calvus) flock flying near mineral lick, Lango Bai, Odzala-Kokoua National Park, Democratic Republic of the Congo

Suzi Eszterhas / African Green-Pigeon (Treron calvus), Okavango Delta, Botswana

Mike Read / African green pigeon {Treron calva} perched in tree, Kruger National Park, South Africa

Roland Seitre / African Green-Pigeon (Treron calvus), native to Africa