Atlantic Puffin (Fratercula arctica) group, Faroe Islands Detail of glacier, Aletsch Glacier, Bernese Alps, Valais, Switzerland Great Grey Owl (Strix nebulosa) flying, Finland Sand dune, White Sands National Monument, New Mexico Field with flowering Red Poppies (Papaver rhoeas) and other wildflowers Boreal forest along lake edge, Nutzotin Mountains, Alaska Organ Pipe Cactus Arizona Shark swimming close to the water surface Claret Cup Cactus (Echinocereus triglochidiatus) flower, Arizona Mountain Lion or Cougar (Felis concolor) kitten with speckled coat, North America Stag Beetle, Malaysia Grizzly Bear (Ursus arctos horribilis) calling, North America Timber Wolf (Canis lupus) trio playing in snow, Montana La Sal Mountains and Globemallows, Salt Valley, Arches National Park, Utah Rufous Hummingbird (Selasphorus rufus) juvenile feeding on flowers, New Mexico Panamint Range over the Furnace Creek playa, Death Valley National Park, California Rio Grande and Sangre de Cristo Mountains, Colorado The Watchman, outcropping near south entrance of Zion National Park, Utah Fireweed (Epilobium angustifolium) against flowing stream, North America Andean Emerald (Amazilia franciae) hummingbird feeling on yellow flower, Ecuador Western Sandpipers pair standing back to back with beaks tucked under wings American Bison (Bison bison) in winter, Yellowstone National Park, Wyoming Teton Range at Snake River Overlook, Grand Teton National Park, Wyoming Agave (Agave sp) plants with pine cones, North America Great Horned Owl perched in tree dusted with snow, British Columbia, Canada Masai Giraffe (Giraffa camelopardalis tippelskirchi) mother and young, Kenya Enderts Beach at sunset, Redwood National Park, California Marsh at sunrise over Eagle Bay, St Joseph Peninsula, Florida Misty morning over prairie, Tallgrass Prairie National Preserve, Kansas Beach at Jughandle State Reserve, Mendocino County, California Reeds growing through frozen surface of June Lake, eastern Sierra Nevada, California Staghorn Sumac (Rhus typhina) in autumn, Blue Ridge Mountain Range, Virginia Broomweed growing among prairie grasses, Apishapa State Wildlife Refuge, Colorado Island in Georgian Bay, Lake Huron, Killarney Provincial Park, Ontario Ocean waves, Hawaii Giant Panda (Ailuropoda melanoleuca) Wolong Valley, China East Beckwith Mountain flanked by Aspen forests under cumulus clouds, Colorado Colorado Blue Columbine (Aquilegia caerulea) flowers, American Basin, Colorado Kitchen Creek cascades, autumn, Ricketts Glen State Park, Pennsylvania Laurel Creek cascades, Great Smoky Mountains National Park, Tennessee Lunch Creek Cascades, Glacier National Park, Montana Cove and seastacks near Garrapata State, Beach Big Sur, California Cabbage Palm (Sabal sp) in wetland, Fakahatchee State Preserve, Florida Geothermal pool, Iceland Balancing rock formation, Guadalupe Mountains National Park, Texas Mountain Bluebird (Sialia currucoides) perching on twig, North America Northern lights over boreal forest, North America Reeds reflected in Sweet Bay Pond at sunrise, Everglades National Park, Florida Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 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 48 Page 49 Page 50 Page 51