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

Donald M. Jones / Mule Deer (Odocoileus hemionus) buck, western Montana

Jim Brandenburg / White-tailed Deer (Odocoileus virginianus) herd grazing on hillside, Black Hills, South Dakota

George Sanker / Mule deer (Odocoileus hemionus) buck drinking at edge of Yellowstone Lake, reflected in water. Yellowstone National Park, Wyoming, USA. June.

George Sanker / Mule deer (Odocoileus hemionus) buck at edge of Yellowstone Lake. Yellowstone National Park, Wyoming, USA. June.

Jeff Foott / Mule Deer (Odocoileus hemionus) females in meadow, Yosemite National Park, California

Donald M. Jones / Mule Deer (Odocoileus hemionus) buck in autumn, Montana

Donald M. Jones / Mule Deer (Odocoileus hemionus) doe with newborn fawn, Montana

Jack Dykinga / Black-tail deer (Odocoileus hemionus columbianus) eating improperly disposed garbage along with plastic wrapping. Olympic National Park, Washington, USA, June.

Jack Dykinga / Black-tail deer (Odocoileus hemionus columbianus) eating improperly disposed garbage along with plastic wrapping. Olympic National Park, Washington, USA, June.

Jack Dykinga / Roosevelt elk (Cervus canadensis roosevelti) stag in velvet, Del Norte Redwoods National Park, California, USA. June Completed Review

Yva Momatiuk & John Eastcott / Minden / Mule Deer (Odocoileus hemionus) doe, Theodore Roosevelt National Park, North Dakota