Great Horned Owl (Bubo virginianus) close-up portrait, North America Billowing Clouds at Sunset North Dakota Dragon-blood Tree crown, Socotra, Yemen Maroon Bells and Maroon Creek, Colorado Wotans Throne from South Rim, Grand Canyon National Park, Arizona Black Bear (Ursus americanus) at night, Bonneville, Washington Greater Prairie Chicken male in courtship display, Eagle Lake, Texas African Elephant herd with calves, Amboseli National Park, Kenya Emerald Tree Boa, Amazon, Ecuador Common Sunflower group showing symmetrical seed heads, North America Herb of the Cross at Franklin Mountains State Park, Chihuahuan Desert, Texas Mexican Red-knee Tarantula (Brachypelma smithi) portrait, Mexico Great Horned Owl in its pale form perching on snag, British Columbia, Canada Red-breasted Merganser drake stretching wings, Noord-Holland, Netherlands Opuntia cactus and Agave near El Capitan, Chihuahuan Desert, Texas Tree Fern forest near Haast Pass, New Zealand Turret arch through north window arch Arches National Park Utah River in Ocala National Forest, Florida Cloud over White Sands National Monument, Chihuahuan Desert, New Mexico African Fish Eagle flying, Lake Nakuru, Kenya Sea Otter floating in kelp bed, northern Pacific Ocean Masai Giraffe (Giraffa camelopardalis tippelskirchi) calf running, native to Africa Orange Cup Coral (Tubastrea coccinea), Red Sea, Egypt Havasu Falls Grand Canyon Arizona Iceberg with a natural arch, Antarctic Peninsula, Antarctica Black Bear (Ursus americanus) two cubs in tree, Orr, Minnesota Great Horned Owl adult perching in a snow-covered tree, British Columbia, Canada Old growth forest of Coast Redwood, Del Norte Coast Redwoods State Park, California Hot Creek at sunset, eastern Sierra Nevada, California Ice Plant (Carpobrotus edulis), Big Sur coast near Bixby Creek, California Castle Rock overlooking Lake Superior, Pictured Rocks National Lakeshore, Michigan Lone pine tree with East and West Temples in the background, Zion National Park, Utah Maroon Bells and Maroon Creek in autumn, Colorado Steam rising from Mammoth Hot Springs, Yellowstone National Park, Wyoming California Poppies in rocky grassland, Canyon Hills, Santa Ana Mountains, California James River, Blue Ridge Parkway, Virginia Bottlenose Dolphin (Tursiops truncatus) portrait, Honduras Indian Peafowl male with tail fanned out in courtship display, native to Asia Bald Eagle, Alaska Koala male, Queensland, Australia Mt Powell and Piney Lake Colorado Bouquet of white Tulip (Tulipa sp) flowers and Baby's Breath (Gypsophila sp) Full moon rising over Zabriskie Point, Death Valley National Park, California Caribou male in a field of fireweed, Hudson Bay, Canada Quaking Aspen (Populus tremuloides) trees in fall, Maroon Bells, Colorado Snowy Owl adult amid dry grass, circumpolar species, British Columbia, Canada Autumn foliage, Killarney Provincial Park, Ontario, Canada A bend in the Milk River, Writing on stone Provincial Park, Alberta, Canada 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 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