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  1. Barred owl on fence, in captivity, Boulder County, Colorado
  2. Mountain goat (Oreamnos americanus) nanny and kid, Mount Evans, Colorado
  3. Orangutan mother and baby, Rio Grande Zoo, Albuquerque, New Mexico
  4. Osprey landing on its nest, Lemhi County, Idaho
  5. Two bighorn sheep rams head butting, Clear Creek County, Colorado
  6. Young leopard, Kruger National Park, Africa
  7. Cape buffalo or African buffalo Mountain Zebra National Park, South Africa
  8. Bull Elk Bugling, Jasper National Park, Alberta, Canada
  9. Sneffels Range with fall colors, near Ouray, Colorado
  10. Two young wild burro playing, Custer State Park, South Dakota, USA
  11. Male greater kudu, Kruger National Park, South Africa
  12. Bare tree reflected in a floodplain, Bosque del Apache, New Mexico
  13. Black bear, outside Glacier National Park, Montana
  14. Bosque del Apache National Wildlife Refuge, New Mexico
  15. Male Grant's gazelle, Samburu National Reserve, Kenya, Africa
  16. Red fox kit pouncing on its sibling, Yellowstone National Park, Wyoming
  17. Orange clouds at sunset, Uinta National Forest, Utah
  18. Gray wolf in captivity, Sandstone, Minnesota, USA
  19. African wild dog, Kruger National Park, South Africa
  20. Cannon Ball Concretions in the badlands, Theodore Roosevelt National Park, North Dakota
  21. Clouds at sunset reflected in an unnamed lake, Shoshone National Forest, Wyoming
  22. White-tailed deer buck, Custer State Park, South Dakota, USA
  23. Mountain bluebird pair at their nest, Yellowstone National Park, Wyoming
  24. Sneffels Range with fall colors, near Ouray, Colorado
  25. Four male Lion, Kruger National Park
  26. Needles near Elephant Hill, Canyonlands National Park, Utah
  27. Pink clouds along the Teton Range at sunset, Grand Teton National Park, Wyoming
  28. Blue wildebeest cow and days-old calf running, Ngorongoro Crater, Tanzania
  29. Snow Leopard in the snow, in captivity, near Bozeman, Montana
  30. Pallid bat (Antrozous pallidus) in flight, near Portal, Arizona
  31. Nile crocodile swimming, Serengeti National Park, Tanzania, East Africa
  32. Common zebra or Burchell's zebra, Masai Mara National Reserve, Kenya, Africa
  33. Black bear spring cub in captivity, Sandstone, Minnesota, USA
  34. Dawn at Swiftcurrent Creek, Glacier National Park, Montana
  35. Grizzly bear cub in captivity, eating an oxeye daisy flower, Sandstone, Minnesota, USA
  36. Aspen leaf turning red and orange on a lichen-covered rock, Colorado, USA
  37. Bison calf, Yellowstone National Park, Wyoming, United States of America
  38. Balanced Rock at sunset, Arches National Park, Utah, USA
  39. Mink in captivity, Sandstone, Minnesota
  40. Western meadowlark calling, Antelope Island State Park, Utah
  41. Boulders, known as Bowling Balls, in the surf, Bowling Ball Beach, California
  42. Barn owl, Arizona Sonora Desert Museum, Tucson, Arizona
  43. Lioness, Masai Mara National Reserve, Kenya, Africa
  44. Three black-tailed prairie dog, Custer State Park, South Dakota, USA
  45. Whitetail Deer buck in velvet, Devil's Tower National Monument, Wyoming
  46. African fish eagle, Selous Game Reserve, Tanzania
  47. Male nyala, Imfolozi Game Reserve, South Africa
  48. Bighorn sheep ram in the snow, Yellowstone National Park, Wyoming