Ajo Mountain, Organ Pipe Cactus National Monument Ajo Mountain Drive winds through the Organ Pipe Cactus National Monument Rocky Mountain Bighorn Sheep Grazing In Grasslands Mallard Duck Black Bear Cub In Spring Black Bear Cub In Tree Rocky Mountain Bighorn Sheep Grazing In Grasslands White-Crowned Sparrow in a spring snow storm A Grove Of Trees At Avebury, UK, A Major Neolithic And Medieval Site Dog sled races are a popular winter passion for many mushers in northern climates Northern Raven Middle Alkali Lake, California, Hwy 299 Wood Duck Female, Close-Up Of Head Northern Pintail Duck Oranges Displayed In Market In Shepherd's Bush, London, UK Ajo Mountain, Organ Pipe Cactus National Monument King's Deer (Red Deer), London, UK A bald eagle perching on a dead tree at Bowron Lake in Bowron Lake Provincial Park, BC Northern Pintail Duck A Ruby-throated Hummingbird Ajo Mountain, Organ Pipe Cactus National Monument Ajo Mountain, Organ Pipe Cactus National Monument A bald eagle perching on a dead tree scans the marsh of Bowron Lake, BC A bald eagle perching on a dead tree scans the marsh of Bowron Lake, BC A Delta On Middle Alkali Lake East Of Cedarville, California White-crowned sparrow is a medium-sized sparrow native to North America Northern Raven