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

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

Loic Poidevin / Mourning dove (Zenaida macroura) two in tree, Pointe Pelee, Ontario, Canada, May

Tom Vezo / Mourning Dove (Zenaida macroura), Green Valley, Arizona

Scott Leslie / Mourning Dove (Zenaida macroura) group in winter, Nova Scotia, Canada

Scott Leslie / Mourning Dove (Zenaida macroura) group in winter, Nova Scotia, Canada

Steve Gettle / Mourning Dove (Zenaida macroura), Huron Meadows Metropark, Michigan

Diane McAllister / Mourning dove (Zenaida macroura) perched on a Sycamore tree branch in the early morning light in a backyard in Reno. Nevada, USA, January

Rod Williams / Socorro dove (Zenaida macroura graysoni) captive, from Socorro Is (off Pacific Mexican coast) extinct in the wild

Shattil & Rozinski / Mourning dove {Zenaida macroura} on Mullein seedhead, Colorado, USA,

Scott Leslie / Mourning Dove (Zenaida macroura), Granville Beach, Nova Scotia, Canada

John Cancalosi / Mourning Dove (Zenaida macroura) USA

John Cancalosi / Mourning Dove (Zenaida macroura) bathing in temporary pool, Sonoran desert, Arizona, USA

Tom Vezo / Mourning Dove (Zenaida macroura) female brooding chicks on nest, Santa Rita Mountains, Arizona

Tom Vezo / Mourning Dove (Zenaida macroura) female brooding chicks on nest, Santa Rita Mountains, Arizona

Rolf Nussbaumer / Mourning Dove {Zenaida macroura} at water next to Texas Bluebonnet flowers (Lupinus texensis) Hill Country, Texas, USA

Rolf Nussbaumer / Mourning Dove {Zenaida macroura} on nest with chicks, Rio Grande Valley, Texas, USA

Rolf Nussbaumer / Mourning Dove {Zenaida macroura} on nest with large chick, Rio Grande Valley, Texas, USA

Patricio Robles Gil / Mourning Dove (Zenaida macroura) pair cooing in bush, Sierra del Carmen region, Mexico

Patricio Robles Gil / Mourning Dove (Zenaida macroura) drinking from waterhole, Sierra del Carmen region, Mexico

Rolf Nussbaumer / Mourning Dove (Zenaida macroura) nest to water, Lake Corpus Christi, Texas, USA. May 2003

Rolf Nussbaumer / Mourning Dove (Zenaida macroura) pair mating, Lake Corpus Christi, Texas, USA. May 2003

Rolf Nussbaumer / Portrait of Mourning Dove (Zenaida macroura) Lake Corpus Christi, Texas, USA. May 2003

Rolf Nussbaumer / Mourning Dove (Zenaida macroura) with Wildflower, Starr County, Rio Grande Valley, Texas, USA. May 2002

Rob Tilley / Mourning dove (Zenaida macroura) nest with eggs, on Desert Prickly Pear cactus (Opuntia), Casa Grande, Arizona, USA

Tom Vezo / Mourning Dove (Zenaida macroura) portrait, Green Valley, Arizona

John Cancalosi / Mourning Dove (Zenaida macroura) drinking from temporary pool, Sonoran Desert, Arizona, USA

Shattil & Rozinski / Mourning dove {Zenaida macroura} Colorado, USA

Shattil & Rozinski / Mourning dove {Zenaida macroura} sleeping, Colorado, USA

John Cancalosi / Portrait of Mourning dove (Zenaida macroura), Sonoran Desert, AZ, USA

John Cancalosi / Mourning Dove {Zenaida macroura} drinking from temporary pool, Sonoran Desert, Arizona.

John Cancalosi / Mourning dove {Zenaida macroura} bathing, Arizona, USA.

David Welling / Mourning dove {Zenaida macroura} perched on post, Texas, USA

John Cancalosi / Mourning dove on dead cactus {Zenaida macroura} Arizona, Sonoran Desert, USA.

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

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

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

David Kjaer / Mourning dove pair at nest {Zenaida macroura} Arizona, USA

David Kjaer / Mourning dove {Zenaida macroura} Arizona, USA

John Cancalosi / Mourning dove at nest with chicks {Zenaida macroura} Arizona, USA. Sonoran desert

Rolf Nussbaumer / Mourning dove pair {Zenaida macroura} Texas, USA.

Tom Vezo / Prairie Falcon (Falco mexicanus) with Mourning Dove (Zenaida macroura), Arizona

Tim Fitzharris / Mourning Dove (Zenaida macroura) pair perching on branch, North America

John Cancalosi / Mourning dove {Zenaida macroura} on Cholla cactus, Sonoran Desert, Arizona, USA

Doug Wechsler / Mourning dove nesting on sculpture of Christ {Zenaida macroura} PA, USA

John Cancalosi / Mourning dove (Zenaida macroura) at nest feeding young, in cactus, Arizona, USA Sonoran Desert.

John Cancalosi / Mourning dove (Zenaida macroura) on nest in Saguaro, Arizona, USA Sonoran Desert. Nest in Saguaro cactus.

John Cancalosi / Mourning dove (Zenaida macroura) on nest in saguaro cactus, Arizona, USA Sonoran Desert.

George McCarthy / Mourning dove on ground, Everglades, Florida, USA

John Cancalosi / Mourning dove {Zenaida macroura} on nest in cactus with chicks, Sonoran Desert, Arizona, USA

Rob Tilley / Two Mourning doves (Zenaida macroura) at waters edge, Santa Clara Ranch, Rio Grande Valley, Texas, USA