Green river, Blue Basin, John Day Fossil Beds National Monument, Oregon Storm clouds at sunrise above Torres del Paine, Torres del Paine National Park, Chile Boojum Tree and Cardon cacti at dusk, El Vizcaino Biosphere Reserve, Mexico Grizzly Bear mother and cub playing, Katmai National Park, Alaska Grizzly Bear (Ursus arctos horribilis) scratching ear, Katmai National Park, Alaska Red Fox Siblings Denali National Park Grizzly Bear fishing for Sockeye Salmon, Brooks Falls, Alaska African Elephant (Loxodonta africana) herd gathering, Okavango Delta, Botswana Hoffmann's Two-toed Sloth babies, Aviarios Sloth Sanctuary, Costa Rica Red-eyed Tree Frog, northern Costa Rica Grizzly Bear (Ursus arctos horribilis) swimming, Katmai National Park, Alaska Domestic Chicken chicks showing genetic variation used to bring out traits Waved Albatross (Diomedea irrorata) courtship display sequence Donkey (Equus asinus) foal grazing, Bavaria, Germany Brown-throated Three-toed Sloth (Bradypus variegatus) male, Costa Rica Atlantic Sailfish hunting Round Sardinella (Sardinella aurita), Isla Mujeres, Mexico Hoffmann's Two-toed Sloth two month old baby, Aviarios Sloth Sanctuary, Costa Rica Hubbard Glacier encroaching on Gilbert Point, Wrangell-St. Elias National Park, Alaska Grizzly Bear (Ursus arctos horribilis) cubs, one yawning, Katmai National Park, Alaska Polar Bear three month old cub interrupts nursing to look around Alaska Moose on Fall Tundra Denali National Park Long-beaked Common Dolphin porpoising, Baja California, Mexico African Elephant group walking on floodplains, Chobe River, Botswana Ring-tailed Lemur mother and baby huddling with another female, Madagascar Black-footed Penguin group between large boulders, Boulders Beach, South Africa African Elephant (Loxodonta africana) herd gathering, Okavango Delta, Botswana Common Merganser mother carrying chicks on water, Upper Bavaria, Germany King Penguins Coming Ashore Gold Harbour Sockeye Salmon Spawning Run Adams River White Tern chick, Midway Atoll, Hawaiian Leeward Islands, Hawaii Goose Rock above John Day River, John Day Fossil Beds National Monument, Oregon Small Camas flowers in prairie, Weippe Prairie, Idaho Red-eyed Tree Frog in rain Ring-tailed Lemur mothers with young, Nahampoana Reserve, Madagascar African Elephant young orphans walking in a line to stockade Burchell's Zebra and Giraffe at waterhole, Etosha National Park, Namibia Yellow Bush Lupine and Monterey Cypress trees, Point Reyes National Seashore, California American Alligator on surface, Okefenokee National Wildlife Refuge, Florida Brown-throated Three-toed Sloth male, Aviarios Sloth Sanctuary, Costa Rica Sumatran Tiger, Toronga Zoo, Sydney, New South Wales, Australia Orangutan playing with towel and holding banana, Borneo, Indonesia Giant Sequoias and Fog, Sequoia National Park Black-browed Albatross Flying Falklands Hiker, Cerro Torre and Fitzroy reflected in small pond at dawn Cape Buffalo bull with Yellow-billed Oxpecker pair picking insects from nostrils, Kenya Eastern Grey Kangaroo female hopping at sunset, Canberra, Australia Polar Bearthree to four month old cub peeking over mother's body Golden monkey / Rhinopithecus roxellana Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 49 Page 50 Page 51