Cape buffalo or African buffalo Mountain Zebra National Park, South Africa Red-billed oxpecker on a Cape buffalo, Kruger National Park, South Africa Red rock formations, Red Canyon, Dixie National Forest, Utah Blacktail prairie dogs sharing something to eat, Wind Cave National Park, South Dakota Captive gray wolf howling in the snow, near Bozeman, Montana Bosque del Apache National Wildlife Refuge, New Mexico Male Grant's gazelle, Samburu National Reserve, Kenya, Africa Common ostrich male watching chicks, Masai Mara National Reserve, Kenya, Africa Aspen trunks in the fall, White River National Forest, Colorado St. Mary Lake and Wild Goose Island on a cloudy morning, Glacier National Park, Montana Mountain lion or cougar jumping into the water, Sandstone, Minnesota Aspen leaf turning colors, Uncompahgre National Forest, Colorado, USA Yucca growing in rippled sand, White Sands National Monument, New Mexico Wavy orange and white sandstone at sunrise, Valley Of Fire State Park, Nevada Sneffels Range with fall colors, Uncompahgre National Forest, Colorado Gray wolf in captivity, Sandstone, Minnesota, USA Captive baby river otter Sandstone, Minnesota Black bear, outside Glacier National Park, Montana Pallid bat (Antrozous pallidus) in flight, near Portal, Arizona Snow Leopard, near Bozeman, Montana Hippopotamus, Serengeti National Park, Tanzania, East Africa Nile crocodile swimming, Serengeti National Park, Tanzania, East Africa Snow-capped Red Mountain reflected in Crystal Lake with fall colors, Colorado Meerkat or suricate standing guard duty, Northern Cape, Africa Silverback mountain gorilla of the Kwitonda group, Volcanoes National Park, Rwanda Wildflowers and mountains near Cinnamon Pass, Uncompahgre National Forest, Colorado American pika, San Juan National Forest, Colorado Male greater kudu, Mountain Zebra National Park, South Africa Coulds at dawn, St. Mary Lake, Glacier National Park, Montana Hippopotamus, Serengeti National Park, Tanzania, East Africa American pika, San Juan National Forest, Colorado Orangutan mother and baby, Rio Grande Zoo, Albuquerque, New Mexico Mule deer buck in snow, Roxborough State Park, Colorado Wild turkey, Custer State Park, South Dakota, USA Mountain goat (Oreamnos americanus) nanny and kid, Mount Evans, Colorado Cannon Ball Concretions in the badlands, Theodore Roosevelt National Park, North Dakota Captive baby fisher in a tree, Sandstone, Minnesota, USA Needles near Elephant Hill, Canyonlands National Park, Utah Male greater kudu, Kruger National Park, South Africa Leopard, Ruaha National Park, Tanzania Bison bull, Yellowstone National Park, Wyoming Crystal Mill with aspens in fall colors, Crystal, Colorado Sunrise in the badlands, Theodore Roosevelt National Park, North Dakota Osprey landing on its nest, Lemhi County, Idaho Two young wild burro playing, Custer State Park, South Dakota, USA Male Lion, Addo Elephant National Park, South Africa Two bighorn sheep rams head butting, Clear Creek County, Colorado Yellow-bellied marmot among bistort, San Juan National Forest, Colorado Page 1 Page 2 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10