Two young wild burro playing, Custer State Park, South Dakota, USA Whitetail Deer buck in velvet, Devil's Tower National Monument, Wyoming Two bighorn sheep rams head butting, Clear Creek County, Colorado White pelican, Nelson Bay, New South Wales, Australia, Pacific Little Bear Creek at dawn, Shoshone National Forest, Montana Baby Siberian lynx or Eurasian lynx, Animals of Montana, Bozeman, Montana Mountain bluebird pair at their nest, Yellowstone National Park, Wyoming Crystal Mill with aspens in fall colors, Crystal, Colorado Bighorn sheep ram on rocky slope, Colorado, USA Bison bull among yellow wildflowers, Yellowstone National Park, Wyoming Infant Vervet Monkey, Kruger National Park, South Africa, Africa African elephant eye, Imfolozi Game Reserve, South Africa, Africa Black bear, outside Glacier National Park, Montana American pika with food in its mouth, San Juan National Forest, Colorado Captive gray wolf in the snow, near Bozeman, Montana Helmeted guinea fowl among wildflowers, Namaqualand and glossy-eyed mountain daisies Red fox kit pouncing on its sibling, Yellowstone National Park, Wyoming Bison, Theodore Roosevelt National Park, North Dakota Fog mingling with evergreen trees, Yellowstone National Park, Wyoming Detail of Horsetail Falls, near Valdez, Alaska White-tailed deer buck, Custer State Park, South Dakota, USA Dawn at Swiftcurrent Creek, Glacier National Park, Montana Bobcat in snow, near Bozeman, Montana Bull Elk Bugling, Jasper National Park, Alberta, Canada Bison, cow cleaning her calf, Yellowstone National Park, Wyoming African wild dog, Kruger National Park, South Africa American pika, San Juan National Forest, Colorado Four male Lion, Kruger National Park Lioness, Masai Mara National Reserve, Kenya, Africa Bison bull and cow, Yellowstone National Park, Wyoming Blue wildebeest cow and days-old calf running, Ngorongoro Crater, Tanzania Hippopotamus adult and baby, Serengeti National Park, Tanzania, East Africa Barn owl, Arizona Sonora Desert Museum, Tucson, Arizona Teton Range at Dawn in winter, Grand Teton National Park, Wyoming Glacial valley, Stalheim, Norway, Scandinavia Bighorn sheep ram in the snow, Yellowstone National Park, Wyoming Bobcat mother with 21 day old kittens, Sandstone, Minnesota Mount McKinley (Mount Denali), Denali National Park and Preserve, Alaska Clouds at sunset reflected in an unnamed lake, Shoshone National Forest, Wyoming Bighorn sheep ram in the snow, Yellowstone National Park, Wyoming Pink clouds along the Teton Range at sunset, Grand Teton National Park, Wyoming Maroon Bells and Crater Lake, Gunnison National Forest, Colorado Male common waterbuck, Greater Limpopo Transfrontier Park, Africa Nile Crocodile with mouth open, Kruger National Park, South Africa Red fox kit, Sandstone, Minnesota, USA Mink in captivity, Sandstone, Minnesota Fremont's peppergrass behind a weathered juniper trunk, Arches National Park, Utah Craggy mountains with clouds and snow cover, Jasper National Park, Alberta, Canada Page 1 Page 2 Page 3 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10