African Elephant (Loxodonta africana) herd sniffing the air, Kenya Mt Spry with the Virgin River surrounded by Cottonwood trees, Zion National Park, Utah Bottlenose Dolphin trio underwater, Waikoloa Hyatt, Hawaii Timber Wolves (Canis lupus) close-up portrait of pair howling in snow, North America Grasslands, Arapaho National Wildlife Refuge, Colorado Bengal Tiger portrait at the Hilo Zoo, Hawaii Adelie Penguin trio diving off iceberg Adelie Penguin (Pygoscelis adeliae) on melting iceberg, Paulet Island, Antarctica Emerald Toucanet (Aulacorhynchus prasinus), Costa Rica Opuntia cactus, Chisos Mountains, Big Bend National Park, Chihuahuan Desert, Texas Gray Wolf pup, Montana Sunset over the Pisgah National Forest from the Blue Ridge Parkway, North Carolina Mt Rainier reflected in lake Mt Rainier National Park Washington Common Sunflower with blue sky and clouds behind Rhododendron tree flowering, Blue Ridge Parkway, North Carolina Mt Spry with the Virgin River surrounded by Cottonwood trees, Zion National Park, Utah Red-tailed Hawk at a raptor rehabilitation center, New York Quaking Aspen forest in autumn, Marcellina Mountain, Raggeds Wilderness, Colorado Western Screech Owl juvenile, Utah Gray Wolf, melanistic individual resting in snow Stream in winter, Nova Scotia, Canada White Pine forest, Canada Travertine formations, Mammoth Hot Springs, Yellowstone National Park, Wyoming Crimson Rosella parrot, Canberra, Australia Ring-tailed Lemur on rocks in the Andringitra Mountains, Madagascar Emperor Penguin pair, Flutter EP Rookery, Antarctica Rockhopper Penguin portrait, Gough Island, South Atlantic Red Rock Point, Georgian Bay, Lake Huron, Ontario, Canada Cape Cobra speckled morph, in defensive display Balanced rocks, Guadalupe Mountain National Park, Texas Tolbachik Volcano erupting, Kamchatka, Russia American Goldfinch in winter with berries, Maine Northern Flicker in nest cavity, Alaska Storm clouds over South Llano River, South Llano River State Park, Texas Khongor Sand Dunes in winter, Gobi Desert, Mongolia Sunrise over Clyde River, Cloudy Peak Range, Canterbury, New Zealand Drummonds Phlox and Bluebonnet near Westhoff, Texas Trees in the snow, Goldenstedt, Germany Lenticular clouds over Mt Dana Mt Gibbs and Mammoth Peak Yosemite National Park Canopy of lowland rainforest, Danum Valley Conservation Area, Borneo, Malaysia Sumatran Tiger close up portrait of female, Sumatra, Indonesia Pink flowering tree in rainforest canopy, Canaima National Park, Venezuela Panoramic view of Mt Kidd as seen from Wedge Pond, Alberta, Canada Tundra and Mount Assiniboine, British Columbia, Canada Mushroom (Marcelleina sp) detail of underside showing gills Grey Crowned Crane couple courting, Masai Mara National Reserve, Kenya Northern Cardinal (Cardinalis cardinalis) male, South Lyon, Michigan Fremont Cottonwood tree, White Sands National Monument, Chihuahuan Desert New Mexico 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 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