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  1. Alpine meadow with orange sneezeweed and wildflowers, San Juan National Forest, Colorado
  2. Orange aspens in the fall, San Juan National Forest, Colorado, USA
  3. Yellow aspen leaves in the fall, Uncompahgre National Forest, Colorado, USA
  4. Wilson Peak at dawn in the fall, Uncompahgre National Forest, Colorado, USA
  5. Baobab at sunrise, Ruaha National Park, Tanzania
  6. Aspen trunks among yellow leaves, Colorado, USA
  7. Maroon Bells with fall colors, White River National Forest, Colorado
  8. Moraine Lake in the fall with fresh snow, Banff National Park, Alberta, Canada
  9. White-tailed deer buck, Custer State Park, South Dakota, USA
  10. Acacia tree silhouetted at dawn, Masai Mara Game Reserve, Kenya, East Africa, Africa
  11. Fall colors of aspens with evergreens, near Ouray, Colorado
  12. Bison, cow cleaning her calf, Yellowstone National Park, Wyoming
  13. Hippopotamus, Serengeti National Park, Tanzania, East Africa
  14. Bison bull, Yellowstone National Park, Wyoming
  15. Aspen trunks in the fall, White River National Forest, Colorado
  16. Two dung beetles rolling a dung ball, Addo Elephant National Park, South Africa
  17. Mountain layers at sunset, Manti-La Sal National Forest, Utah
  18. Two bull elk in the snow, National Elk Refuge, Jackson, Wyoming
  19. Yucca growing in rippled sand, White Sands National Monument, New Mexico
  20. Wildflowers and mountains near Cinnamon Pass, Uncompahgre National Forest, Colorado
  21. Split-Leaf Indian Paintbrush And Alpine Avens, San Juan National Forest, Colorado
  22. Mule deer buck in snow, Roxborough State Park, Colorado
  23. Hippopotamus mother and baby, Ruaha National Park, Tanzania
  24. Bison bulls sparring, Custer State Park, South Dakota, USA
  25. Captive baby raccoon, Animals of Montana, Bozeman, Montana
  26. Captive Siberian Tiger In The Snow, Near Bozeman, Montana
  27. Sneffels Range with fall colors, Uncompahgre National Forest, Colorado
  28. Gray wolf pups, in captivity, Sandstone, Minnesota
  29. Baby African elephant, Serengeti National Park, Tanzania, East Africa
  30. The Three Gossips and common paintbrush, Arches National Park, Utah
  31. Bison cows grazing, Yellowstone National Park, Wyoming
  32. St. Mary Lake and Wild Goose Island on a cloudy morning, Glacier National Park, Montana
  33. Crystal Mill with aspens in fall colors, Crystal, Colorado
  34. Sunset over orange and red maples in the fall, Uinta National Forest, Utah
  35. Common raven, Petrified Forest National Park, Arizona
  36. Mountain goat nanny and kid, Mount Evans, Arapaho-Roosevelt National Forest, Colorado
  37. Driveway with common dandelion in flower, near Glacier National Park, Montana
  38. Red rock formations, Red Canyon, Dixie National Forest, Utah
  39. Wavy orange and white sandstone at sunrise, Valley Of Fire State Park, Nevada
  40. White rhinoceros Kruger National Park, South Africa
  41. Bison bull, Yellowstone National Park, Wyoming
  42. Opossum mother and babies, in captivity, Sandstone, Minnesota
  43. Bald eagle perched with spread wings, Boulder County, Colorado
  44. Aspen leaf turning colors, Uncompahgre National Forest, Colorado, USA
  45. Common eland buck, Mountain Zebra National Park, South Africa
  46. Captive whitetail deer fawn among oxeye daisies, Sandstone, Minnesota
  47. Bison bull among yellow wildflowers, Yellowstone National Park, Wyoming
  48. American pika among yellow wildflowers, San Juan National Forest, Colorado