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.

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

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