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  1. Aspen grove with early fall colors, Maroon Lake, Colorado
  2. Wilson Peak at dawn in the fall, Uncompahgre National Forest, Colorado, USA
  3. Aspen leaf turning colors, Uncompahgre National Forest, Colorado, USA
  4. Bison cows grazing, Yellowstone National Park, Wyoming
  5. The Three Gossips and common paintbrush, Arches National Park, Utah
  6. Blue columbine, Weston Pass, Pike and San Isabel National Forest, Colorado
  7. African Elephant Baby And Mother, Addo Elephant National Park, South Africa
  8. Yellow aspen leaves in the fall, Uncompahgre National Forest, Colorado, USA
  9. Maroon Bells with fall colors, White River National Forest, Colorado
  10. Bison, Yellowstone National Park, Wyoming
  11. Fall colors of aspens with evergreens, near Ouray, Colorado
  12. Crystal Mill with aspens in fall colors, Crystal, Colorado
  13. Aspen trunks among yellow leaves, Colorado, USA
  14. Acacia tree silhouetted at dawn, Masai Mara Game Reserve, Kenya, East Africa, Africa
  15. Sunset Over Sea Stacks And Surf, Ecola State Park, Oregon
  16. Bison bull, Yellowstone National Park, Wyoming
  17. Captive Siberian Tiger In The Snow, Near Bozeman, Montana
  18. Split-Leaf Indian Paintbrush And Alpine Avens, San Juan National Forest, Colorado
  19. Mountain lion or cougar in snow, near Bozeman, Montana
  20. Driveway with common dandelion in flower, near Glacier National Park, Montana
  21. Mountain goat nanny and kid, Mount Evans, Arapaho-Roosevelt National Forest, Colorado
  22. Red rock formations, Red Canyon, Dixie National Forest, Utah
  23. Snow Leopard, near Bozeman, Montana
  24. Aspen trunks in the fall, White River National Forest, Colorado
  25. Hippopotamus mother and baby, Ruaha National Park, Tanzania
  26. Captive gray wolf in the snow, near Bozeman, Montana
  27. Orange aspens in the fall, San Juan National Forest, Colorado, USA
  28. Captive baby raccoon, Animals of Montana, Bozeman, Montana
  29. Bison bulls sparring, Custer State Park, South Dakota, USA
  30. Sneffels Range with fall colors, Uncompahgre National Forest, Colorado
  31. White pelican, Nelson Bay, New South Wales, Australia, Pacific
  32. Bison, cow cleaning her calf, Yellowstone National Park, Wyoming
  33. Captive baby river otter Sandstone, Minnesota
  34. Gray wolf pups, in captivity, Sandstone, Minnesota
  35. Mountain lion or cougar jumping into the water, Sandstone, Minnesota
  36. Mule deer buck in snow, Roxborough State Park, Colorado
  37. Opossum mother and babies, in captivity, Sandstone, Minnesota
  38. Common raven, Petrified Forest National Park, Arizona
  39. Bison bull, Yellowstone National Park, Wyoming
  40. Yucca growing in rippled sand, White Sands National Monument, New Mexico
  41. Moraine Lake in the fall with fresh snow, Banff National Park, Alberta, Canada
  42. Male elk, Yellowstone National Park, Wyoming
  43. White-tailed deer buck, Custer State Park, South Dakota, USA
  44. Lion cub playing with a branch, Selous Game Reserve, Tanzania
  45. Wildflowers and mountains near Cinnamon Pass, Uncompahgre National Forest, Colorado
  46. St. Mary Lake and Wild Goose Island on a cloudy morning, Glacier National Park, Montana
  47. Mountain lion mother and two cubs standing on a rock in a river, Minnesota
  48. Coyote Buttes, Vermillion Cliffs National Monument, Arizona