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  1. Two dung beetles rolling a dung ball, Addo Elephant National Park, South Africa
  2. Mount Sneffels with snow in the fall, Uncompahgre National Forest, Colorado, USA
  3. Aspen grove with early fall colors, Maroon Lake, Colorado
  4. White-tailed deer buck, Custer State Park, South Dakota, USA
  5. Bison, Yellowstone National Park, Wyoming
  6. Acacia tree silhouetted at dawn, Masai Mara Game Reserve, Kenya, East Africa, Africa
  7. Sunset over orange and red maples in the fall, Uinta National Forest, Utah
  8. Orange aspens in the fall, San Juan National Forest, Colorado, USA
  9. Black bear cub among oxeye daisy, in captivity, Sandstone, Minnesota
  10. Dung beetle rolling a dung ball, Kruger National Park, South Africa, Africa
  11. Wilson Peak at dawn in the fall, Uncompahgre National Forest, Colorado, USA
  12. Common raven, Petrified Forest National Park, Arizona
  13. Male Gambel's Quail scratching for food, Henderson, Nevada
  14. Mule deer buck in snow, Roxborough State Park, Colorado
  15. Driveway with common dandelion in flower, near Glacier National Park, Montana
  16. Opossum mother and babies, in captivity, Sandstone, Minnesota
  17. Alpine meadow with orange sneezeweed and wildflowers, San Juan National Forest, Colorado
  18. Quiver tree at dawn, Namakwa, Namaqualand, South Africa
  19. Two Bison Bulls Sparring, Yellowstone National Park, Wyoming
  20. Joshua tree at sunset, Joshua Tree National Park, California
  21. Bison bulls sparring, Custer State Park, South Dakota, USA
  22. Gray wolf adult and pups, in captivity, Sandstone, Minnesota
  23. Aspen trunks among yellow leaves, Colorado, USA
  24. Captive baby raccoon, Animals of Montana, Bozeman, Montana
  25. Male elk, Yellowstone National Park, Wyoming
  26. Gray wolf pups, in captivity, Sandstone, Minnesota
  27. Split-Leaf Indian Paintbrush And Alpine Avens, San Juan National Forest, Colorado
  28. Orange clouds at sunset, Uinta National Forest, Utah
  29. African elephant with large tusks, Ngorongoro Crater, Tanzania, East Africa
  30. Whitetail deer fawn with reflection, in captivity, Sandstone, Minnesota
  31. Aspen trunks among yellow leaves, Colorado, USA
  32. Bison bull, Yellowstone National Park, Wyoming
  33. Mountain layers at sunset, Manti-La Sal National Forest, Utah
  34. Hippopotamus mother and baby, Ruaha National Park, Tanzania
  35. Baby African elephant, Serengeti National Park, Tanzania, East Africa
  36. Bison cows grazing, Yellowstone National Park, Wyoming
  37. American White Pelican, Sonny Bono Salton Sea National Wildlife Refuge, California
  38. Cape buffalo or African buffalo Mountain Zebra National Park, South Africa
  39. Aspen trunks in the fall, White River National Forest, Colorado
  40. White rhinoceros Kruger National Park, South Africa
  41. Male greater kudu, Mountain Zebra National Park, South Africa
  42. St. Mary Lake and Wild Goose Island on a cloudy morning, Glacier National Park, Montana
  43. Bald eagle perched with spread wings, Boulder County, Colorado
  44. Mountain goat nanny and kid, Mount Evans, Arapaho-Roosevelt National Forest, Colorado
  45. Yellow aspen leaves in the fall, Uncompahgre National Forest, Colorado, USA
  46. Red rock formations, Red Canyon, Dixie National Forest, Utah
  47. Barred owl on fence, in captivity, Boulder County, Colorado
  48. Male Grant's gazelle, Samburu National Reserve, Kenya, Africa