Staffan Widstrand / Laughing dove (Spilopelia senegalensis) in Keoladeo Ghana National Park, Bharatpur, Rajasthan, India

Melvin Grey / Laughing Dove (Streptopelia senegalensis) male and female, perched among Acacia thorns. Lake Baringo, Kenya

Ole Jorgen Liodden / Laughing dove (Spilopelia senegalensis) Zimanga, South Africa

Ann & Steve Toon / Laughing dove (Streptopelia senegalensis). Zimanga private game reserve, KwaZulu-Natal, South Africa. June.

Ann & Steve Toon / Laughing doves (Streptopelia senegalensis) at water. Zimanga private game reserve, KwaZulu-Natal, South Africa. June.

Roger Powell / Pied Imperial-pigeon (Ducula bicolor) looking for food amongst unripe Palm fruit. Mary River, Northern Territory, Australia.

Neil Aldridge / Laughing doves (Spilopelia senegalensis) at waterhole, Northern Tuli Game Reserve, Botswana.

Neil Aldridge / Laughing dove (Spilopelia senegalensis) at waterhole, Northern Tuli Game Reserve, Botswana.

Neil Aldridge / A laughing dove (Spilopelia senegalensis) visits a waterhole in summer in Botswana's Northern Tuli Game Reserve.

RHONDA KLEVANSKY / Laughing dove (Spilopelia / Streptopelia senegalensis) on ground, Orange River, Richtersveld National Park and World Heritage Site, Northern Cape, South Africa, August.

Hanne & Jens Eriksen / Red turtle dove (Streptopelia tranquebarica) in palm, Thailand, February

Hanne & Jens Eriksen / Laughing dove (Streptopelia senegalensis) in water, flapping wing, Oman, September