Two young wild burro playing, Custer State Park, South Dakota, USA Baobab at sunrise, Ruaha National Park, Tanzania Gray wolf adult and pups, in captivity, Sandstone, Minnesota Captive whitetail deer fawn among oxeye daisies, Sandstone, Minnesota Acacia tree silhouetted at dawn, Masai Mara Game Reserve, Kenya, East Africa, Africa Peter Lougheed Provincial Park, Kananaskis Country, Alberta, Canada Captive Barn Owl In Barn Window, Boulder County, Colorado Captive gray wolf howling in the snow, near Bozeman, Montana Pallid bat (Antrozous pallidus) in flight, near Portal, Arizona Formations in Valley of the Gods with two hot air balloons, near Mexican Hat, Utah Gray wolf in captivity, Sandstone, Minnesota, USA Nile crocodile swimming, Serengeti National Park, Tanzania, East Africa Snow Leopard in the snow, in captivity, near Bozeman, Montana Sunrise in the badlands, Theodore Roosevelt National Park, North Dakota Silverback mountain gorilla of the Kwitonda group, Volcanoes National Park, Rwanda Yucca growing in rippled sand, White Sands National Monument, New Mexico Whitetail Deer buck in velvet, Devil's Tower National Monument, Wyoming Bison bull and cow, Yellowstone National Park, Wyoming Bobcat in snow, near Bozeman, Montana Bosque del Apache National Wildlife Refuge, New Mexico Coyote Buttes, Vermillion Cliffs National Monument, Arizona Cape buffalo or African buffalo Masai Mara National Reserve, Kenya Two Bison Bulls Sparring, Yellowstone National Park, Wyoming Western meadowlark calling, Antelope Island State Park, Utah Hippopotamus mother and baby, Ruaha National Park, Tanzania Canadian Lynx in snow in captivity, near Bozeman, Montana Gray wolf pups, in captivity, Sandstone, Minnesota Gray wolf in captivity, Sandstone, Minnesota, USA Opossum mother and babies, in captivity, Sandstone, Minnesota Barred owl on fence, in captivity, Boulder County, Colorado Two gemsbok fighting, Kgalagadi Transfrontier Park, South Africa Quiver tree at dawn, Namakwa, Namaqualand, South Africa Sneffels Range with fall colors, Uncompahgre National Forest, Colorado Craggy mountains with clouds and snow cover, Jasper National Park, Alberta, Canada Orange clouds at sunset, Uinta National Forest, Utah Mountain goat (Oreamnos americanus) nanny and kid, Mount Evans, Colorado Dung beetle rolling a dung ball, Kruger National Park, South Africa, Africa Two bull elk in the snow, National Elk Refuge, Jackson, Wyoming Yellow aspen leaves in the fall, Uncompahgre National Forest, Colorado, USA Little Bear Creek at dawn, Shoshone National Forest, Montana Black bear, outside Glacier National Park, Montana Captive gray wolf in the snow, near Bozeman, Montana Two young wild burro playing, Custer State Park, South Dakota, USA Sunset over orange and red maples in the fall, Uinta National Forest, Utah Bison in snow, Yellowstone National Park, Wyoming Wilson Peak at dawn in the fall, Uncompahgre National Forest, Colorado, USA St. Mary Lake and Wild Goose Island on a cloudy morning, Glacier National Park, Montana Fence posts in salt grass, Hope, Alaska Page 1 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10