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  1. Tricolored Heron (Egretta tricolor) wading, North America
  2. Lower Yellowstone Falls Yellowstone National Park Wyoming
  3. Moon over Canyonlands National Park from Green River Overlook, Utah
  4. Sand Dunes At Sunset, White Sands NM, New Mexico
  5. Aspen grove in fall colors, Maroon Bells, Snowmass Wilderness, Colorado
  6. Yampa River, Dinosaur National Monument, Colorado
  7. Big Sur coast near Grimes Point, California
  8. Joshua Trees And Little San Bernardino Mountains, Joshua Tree National Park, California
  9. Osprey (Pandion haliaetus) flying, North America
  10. Opuntia (Opuntia sp) cactus, Chisos Mountains, Big Bend National Park, Texas
  11. Copper-Rumped Hummingbird Flying, Trinidad, Caribbean
  12. Carson Range reflected in Washoe Lake, Nevada
  13. Southern Hawker Dragonfly close-up, on stem, New Mexico
  14. Bald Cypress tree in swamp, White River National Wildlife Refuge, Arkansas
  15. Waterfall, Laurel Creek, Great Smoky Mountains National Park, Tennessee
  16. Newfound Gap, Great Smoky Mountains National Park, North Carolina
  17. Panorama of West Needle Mountains, Weminuche Wilderness, Colorado
  18. Yucca (Yucca sp) and Organ Mountains near Las Cruces, New Mexico
  19. Rio Chama in autumn New Mexico
  20. Hedgehog Cactus (Echinocereus engelmannii) flowering, Arizona
  21. Lunch Creek Cascades, Glacier National Park, Montana
  22. Great Horned Owl adult perching in a snow-covered tree, British Columbia, Canada
  23. Great Horned Owl in its pale form perching in a snow-covered tree, British Columbia
  24. Mist over Absaroka Range, Yellowstone National Park, Wyoming
  25. Rufous Hummingbird (Selasphorus rufus) male feeding on flower nectar
  26. Timber Wolf (Canis lupus) portrait, howling in snow, North America
  27. Little Stony Creek flowing through Jefferson National Forest, Virginia
  28. Aspen grove in fall colors, Maroon Bells, Snowmass Wilderness, Colorado
  29. Island in Georgian Bay, Lake Huron, Killarney Provincial Park, Ontario
  30. Saguaro cacti and Superstition Mountains at Lost Dutchman State Park, Arizona
  31. Mt Robson reflected in lake, British Columbia, Canada
  32. Desert Bluebell (Campanula rotundifolia) and Agave (Agave sp) North America
  33. Oaks At Sunrise, Ochlockonee River State Park
  34. Sandstone mountains, Palo Duro Canyon State Park, Texas
  35. Alpenglow, Lake Louise and Victoria Glacier, Banff National Park, Alberta, Canada
  36. Great Smoky Mountains from, Blue Ridge Parkway, North Carolina
  37. Blue Ridge Range with autumn deciduous forest, near Buck Creek Gap, North Carolina
  38. Green Sea Turtle, Balicasag Island, Philippines
  39. Mountain Lion or Cougar mother with kitten, North America, captive animal
  40. American Bison herd grazing on shortgrass praire near Scoria Point
  41. Lover's Beach with crashing waves, Cabo San Lucas, Mexico
  42. Andean Emerald (Amazilia franciae) hummingbird feeling on yellow flower, Ecuador
  43. Little Missouri River, Theodore Roosevelt National Park, North Dakota
  44. California Poppy (Eschscholzia californica) field, Montano de Oro State Park, California
  45. Joshua Trees And Cliffs, Red Rock Canyon State Park, California
  46. Tide pools at Botanical Beach, Juan de Fuca Provincial Park, Vancouver Island, Canada
  47. Broadleaf forest in fall colors Shenandoah National Park, Virginia
  48. Rufous Hummingbird (Selasphorus rufus) feeding on flowers, New Mexico