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  1. Wild American Bison (Bison Bison) Roam On A Ranch In South Dakota
  2. Wild American Bison (Bison Bison) Roam On A Game Preserve Near Canton, Kansas
  3. White-Faced Saki (Pithecia Pithecia) At The Houston Zoo, Houston, Texas
  4. Western Lowland Gorilla At Omaha's Henry Doorly Zoo, Omaha, Nebraska
  5. Western Lowland Gorilla At Omaha's Henry Doorly Zoo, Omaha, Nebraska
  6. Two Bighorn Rams (Ovis Canadensis), Augusta, Montana, United States Of America
  7. Speckled Caimans (Caiman Crocodilus) Swimming In Rushing River Water, Pantanal, Brazil
  8. Some Of The Nesting Pairs Of King Penguins, St. Andrews Bay, South Georgia Island
  9. Side View Of A Bison Head On A Grazing On A Field At A Ranch Near Valentine, Nebraska
  10. Portrait Of The Indochinese Tiger Standing In Its Enclosure At A Zoo, Houston, Texas
  11. Portrait Of Sumatran Tiger Cub Lying On The Ground, Showing Its Teeth, Atlanta, Georgia
  12. Portrait Of A Western Lowland Gorilla In A Zoo, Wichita, Kansas
  13. Portrait Of A Sykes' Monkey Against A Brown Background, Colorado Springs, Colorado
  14. Portrait Of A Rhinoceros Iguana (Cyclura Cornuta) At The Houston Zoo, Houston, Texas
  15. Portrait Of A Red-Eyed Tree Frog At The Sunset Zoo, Manhattan, Kansas
  16. Portrait Of A Gray Wolf In A Snowfall With Snowflakes On Its Fur, Ely, Minnesota
  17. Portrait Of A Chimpanzee (Pan Troglodytes) At The Sunset Zoo, Manhattan, Kansas
  18. Portrait Of A Captive Eastern Screech Owl At Ryerson Woods, Deerfield, Illinois
  19. Mount Rushmore National Memorial In Keystone, South Dakota
  20. Millions Of Monarch Butterflies Travel To Winter Roosts In Mexico, Sierra Chincua
  21. Millions Of Monarch Butterflies Cover Every Inch Of A Tree In Sierra Chincua, Mexico
  22. Large Group Of Walruses Resting Close Together, Togiak National Wildlife Refuge, Alaska
  23. Herd Of Bighorn Sheep Grazing In A Mountain Valley, Augusta, Montana
  24. Herd Of Bighorn Sheep (Ovis Canadensis) Grazing In A Mountain Valley, Augusta, Montana
  25. Gray Wolf In A Snowfall With Snowflakes On Its Fur, Ely, Minnesota
  26. Close-Up Portrait Of A Speckled Caiman In The Pantanal Region Of Brazil
  27. Close-Up Portrait Of A King Vulture At The Sedgwick County Zoo, Wichita, Kansas
  28. Close-Up Portrait Of A Blue Monkey From The Omaha Zoo, Omaha, Nebraska
  29. Close-Up Of The Face Of An Amur Tiger, Also Called A Siberian Tiger, Omaha, Nebraska
  30. Close-Up Of The Face Of An Amur Tiger, Also Called A Siberian Tiger, Omaha, Nebraska
  31. Close View Of The Face A Gorilla (Gorilla Gorilla), Florida, United States Of America
  32. Close View Of A Gray Fox Eyeing The Camera In The Atacama Desert, Chile
  33. Beautiful Clouds Formations Hover Over Tranquil Water, A Storm In The Distance, Alaska
  34. Amur Tiger At The Rolling Hills Wildlife Adventure, Salina, Kansas
  35. A Grizzly Bear Opens Wide For A Mouth Full Of Salmon, Brooks Falls, Alaska
  36. Visayan Leopard Cat At The Avilon Zoo
  37. Visayan Leopard Cat At The Avilon Zoo
  38. Valentina, A Female Red Brocket Deer At Amazon Shelter, Tambopata, Peru
  39. Two Transcaspian Urials At The Management Of Nature Conservation In Abu Dhabi, UAE
  40. Two Koala Joeys Cling To Each Other, Australia Zoo Wildlife Hospital, Queensland
  41. Two Juvenile Brown-Throated Sloths, Toucan Rescue Ranch In San Josecito, Costa Rica
  42. Two Juvenile Brown-Throated Sloths, Toucan Rescue Ranch In San Josecito, Costa Rica
  43. Two Critically Endangered Hawksbill Sea Turtles, Dubai Turtle Rehabilitation Project
  44. Tuatara At The Wellington Zoo
  45. Thorny Devil From The Melbourne Museum
  46. Spotted Jellyfish At The Monterey Bay Aquarium
  47. Snow Leopard At The Miller Park Zoo
  48. Six Tennessee Dace In Breeding Colors At Conservation Fisheries, Knoxville, TN