Alan Murphy / White-winged Dove (Zenaida asiatica) flying, Arizona

Alan Murphy / White-winged Dove (Zenaida asiatica), Arizona

George Sanker / Mourning Dove (Zenaida macroura) perched on branch in snow, Acadia National Park, Maine, USA, February.

LYNN M. STONE / Mourning dove {Zenaida macroura} perched in snow, USA.

Tom Vezo / Mourning dove {Zenaida macroura} Tucson, Arizona, USA

Tom Vezo / White winged dove landing {Zenaida asiatica} Arizona, USA

John Cancalosi / White-winged dove (Zenaida asiatica) vocalising, perched on Sotol (Dasylirion wheeleri). Sonoran desert , Arizona, USA. July.

Andy Rouse / Galapagos dove , (Zenaida galapagoensis), portrait , Santa Fe Island, Galapagos

John Chan / Mourning dove (Zenaida macroura) perched on a Coastal pricklypear (Opuntia littoralis), avoiding the spines as it takes flight, Southern California, USA, April.

Alan Murphy/ BIA / Mourning Dove (Zenaida macroura), Texas

Tui De Roy / Galapagos dove (Zenaida galapagoensis) Santa Fe Island, Galapagos

Tui De Roy / Galapagos dove (Zenaida galapagoensis) on Opuntia cactus, Champion Islet, near Floreana Island, Galapagos