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  1. Bison Bull Covered With Frost In The Winter, Yellowstone National Park, Wyoming
  2. Mountain lion or cougar (Felis concolor) in snow, near Bozeman, Montana
  3. Sunrise over Alpine wildflowers, San Juan National Forest, Colorado
  4. Masai Giraffe mother and young, Serengeti National Park, Tanzania, Africa
  5. Bobcat in the snow, near Bozeman, Montana
  6. Bison cow and calf, Yellowstone National Park, Wyoming
  7. Two bison (Bison bison) bulls facing off, Yellowstone National Park, Wyoming
  8. Mears Peak with snow and yellow aspens in the fall, Colorado, USA
  9. Canadian Lynx in snow in captivity, near Bozeman, Montana
  10. Bison in snow, Yellowstone National Park, Wyoming
  11. Red and orange fall colors in the Wasatch Mountains, Uinta National Forest, Utah
  12. Canadian Lynx in snow in captivity, near Bozeman, Montana
  13. Gray wolf drinking in the fog, reflected in the water, Sandstone, Minnesota
  14. Emerald Pools Trail, Zion National Park, Utah
  15. African Elephant Baby And Mother, Addo Elephant National Park, South Africa
  16. Bull elk bugling in the snow, Jasper National Park, Alberta, Canada
  17. Captive Barn Owl In Barn Window, Boulder County, Colorado
  18. Mears Peak with snow and yellow aspens in the fall, Colorado, USA
  19. Guadalupe Peak and El Capitan at sunset, Guadalupe Mountains National Park, Texas
  20. Whitetail deer fawn among oxeye daisy, in captivity, Sandstone, Minnesota
  21. Bison in a snowstorm, Yellowstone National Park, Wyoming
  22. Red Fox in the snow, Prospect Park, Wheatridge, Colorado
  23. Bobcat in snow, near Bozeman, Montana
  24. Young black bear a year and a half old, Bozeman, Montana
  25. Sneffels Range with fall colors, near Ouray, Colorado
  26. Blue columbine, Weston Pass, Pike and San Isabel National Forest, Colorado
  27. Sunset over The Sawtooth Mountains, Sawtooth National Recreation Area, Idaho
  28. Grinnell Point and Swiftcurrent Creek, Glacier National Park, Montana
  29. Guadalupe Peak and El Capitan at sunset, Guadalupe Mountains National Park, Texas
  30. Bison reflected in a pond, Yellowstone National Park, Wyoming
  31. Cape buffalo or African buffalo Masai Mara National Reserve, Kenya
  32. Mount Sneffels with snow in the fall, Uncompahgre National Forest, Colorado, USA
  33. Aspen grove in early fall, White River National Forest, Colorado
  34. Black bear sow nursing a spring cub, Yellowstone National Park, Wyoming
  35. Aspen grove with early fall colors, Maroon Lake, Colorado
  36. Sneffels Range with aspens in fall colors, near Ouray, Colorado
  37. Cascade in The Narrows of the Virgin River, Zion National Park, Utah
  38. Lane through fall aspens, Ophir Pass, Uncompahgre National Forest, Colorado
  39. Fall colors of aspens with evergreens, near Ouray, Colorado
  40. Two bull elk sparring during the rut, Jasper National Park, Alberta, Canada
  41. Orange clouds at dawn above Longs Peak, Rocky Mountain National Park, Colorado
  42. Captive Siberian Tiger In The Snow, Near Bozeman, Montana
  43. Wilson Peak at dawn, Uncompahgre National Forest, Colorado
  44. Acacia tree silhouetted at dawn, Masai Mara Game Reserve, Kenya, East Africa, Africa
  45. Moraine Lake in the fall with fresh snow, Banff National Park, Alberta, Canada
  46. Baobab at sunrise, Ruaha National Park, Tanzania
  47. Mountain lion or cougar in snow, near Bozeman, Montana
  48. Two bull elk in the snow, National Elk Refuge, Jackson, Wyoming