George Sanker / White-tailed deer (Odocoileus virginianus) mother with fawn. Acadia National Park, Maine, USA, September.

George Sanker / White-tailed deer (Odocoileus virginianus) female grazing in snow, Acadia National Park, Maine, USA. February.

George Sanker / White-tailed deer (Odocoileus virginianus) females grazing in snow, Acadia National Park, Maine, USA. February.

John Cancalosi / White-tailed deer (Odocoileus virginianus) in snow, New York, USA, winter

Shattil & Rozinski,Shattil & Rozinski / Mule deer (Odocoileus hemionus), with the Denver skyline and Rocky Mountains in the background, Denver, Colorado, USA, November.

John Cancalosi / White-tailed Deer (Odocoileus virginianus) sniffing spruce cone. New York, USA, January.

Visuals Unlimited / White-tailed Deer fawns among ferns in an Aspen forest (Odocoileus virginianus), Minnesota, USA.

Konstantin Mikhailov / Mule Deer (Odocoileus hemionus columbianus) female running, rear view. Olympic NP, Hurricane Hill, Washington, USA, October 2009.

Floris van Breugel / Dogwood (Cornus nuttallii) in bloom amongst Giant Sequoia trees (Sequoiadendron giganteum) and two Mule deer (Odocoileus hemionus), Sequoia and King's Canyon National Parks, USA. June. Veolia Environn...

Shattil & Rozinski / Mule deer (Odocoileus hemionus) buck, Cherry Creek State Park, Denver, Colorado, USA

Rolf Nussbaumer / White tailed deer {Odocoileus virginianus} buck portrait, Welder Wildlife Refuge, Sinton, Texas, USA.

Rolf Nussbaumer / Mule deer {Odocoileus hemionus} buck portrait, Grand Teton NP, Wyoming, USA

Rolf Nussbaumer / White tailed deer, fawn {Odocoileus virginianus} Texas, USA

Rolf Nussbaumer / White tailed deer {Odocoileus virginianus} young male grazing beside water at sunset, Texas, USA

Rolf Nussbaumer / White tailed deer, young male {Odocoileus virginianus} Texas, USA

Rolf Nussbaumer / Male White tailed deer {Odocoileus virginianus} resting in grass, Texas, USA

Eric Baccega / Whitetail deer fawn portrait {Odocoileus virginianus} Anticosti Is, Quebec, Canada

Tom Vezo / Male Whitetail deer {Odocoileus virginianus} Long Is, New York, USA

David Welling / Female Whitetail deer drinking {Odocoileus virginianus} Texas, USA

Jose Schell / Male Whitetail deer {Odocoileus virginianus} mid-summer antler growth - Anticosti, Canada

Thomas Lazar / Whitetail deer buck and doe {Odocoileus virginianus} USA

Thomas Lazar / Whitetail deer fawn {Odocoileus virginianus} Wisconsin, USA

Bernard Castelein / Male Mule deer portrait (Odocoileus hemionus) Olympic NP, Washington, USA

Lynn M Stone / Whitetail deer fawn, Illinois, USA.

TOM MANGELSEN / Mule deer (Odocoileus hemionus), female nuzzling young. Montana, USA

Tom Vezo / Whitetail deer fawn (Odocoileus virginianus) sleeping in grass, Texas, USA

Tom Vezo / Whitetail deer fawn (Odocoileus virginianus). Texas, USA

Jim Brandenburg / White-tailed Deer (Odocoileus virginianus) buck, Minnesota

Benjamin Olson / White-tailed Deer (Odocoileus virginianus) piebald buck in winter, Minnesota

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) mother cleaning fawn, Montana

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) doe cleaning newborn fawn, Montana

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) doe smelling newborn fawn, Montana

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) buck in snowfall, North America

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) buck running, North America

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) buck, North America

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) buck, western Montana

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) buck in velvet, North America

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) buck, central Montana

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) buck, central Montana

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) newborn fawn, western Montana

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) bucks sparring, western Montana

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) buck in velvet, western Montana

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) bucks, central Montana

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) buck, Montana

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) buck browsing

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) buck in winter

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) bucks in velvet

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) fawn