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  1. May, Idaho
  2. Snow geese flying by the sun at twilight, Squaw Creek National Wildlife Refuge, Missouri
  3. A Hawaiian orange hibiscus, Hibiscus kokio saintjohnianus
  4. Sioux Falls, South Dakota. A porcupine, Erethizon dorsatum, at the Great Plains Zoo
  5. A close view of a black-tailed prairie dog, U.L. Bend National Wildlife Refuge, Montana
  6. Part of an Indian peafowl, at the Lincoln Children's Zoo
  7. A Red-Eyed Tree Frog At The Sunset Zoo In Manhattan, KS
  8. Millions Of Monarch Butterflies Cover Every Inch Of A Tree In Sierra Chincua, Mexico
  9. A Sumatran Tiger At Tierpark Berlin In Berlin, Germany
  10. An endangered giant panda, Ailuropoda melanoleuca, at Zoo Atlanta
  11. Wallaces flying frog (Rhacophorus nigropalmatus)
  12. Spotted Gar, Lepisosteus Oculatus, At Welaka National Fish Hatchery Aquarium
  13. This capuchin monkey sits perched in a tree, Madidi National Park, Bolivia
  14. An Endangered Baby Bornean Orangutan With Her Adoptive Mother, A Bornean/Sumatran Cross
  15. A Louisiana black bear, Ursus americanus luteolus, at the Caldwell Zoo
  16. A studio portrait of a cat named Amadeus Wolfgang Meowzart
  17. Mason, Texas
  18. A female grizzly and her cub, Larson Bay, Alaska
  19. A male elk standing in snowy field near gentle rolling hills
  20. A Six-Day-Old Malayan Tapir, Minnesota Zoo
  21. Male greater prairie-chicken (Tympanichus Cupido) on booming ground
  22. Palawan Binturong, Arctictis Binturong Whitei, At The Nashville Zoo
  23. A Rhode Island Red Domestic Chicken, Gallus Gallus Domesticus, From A Private Collection
  24. A Two-Month-Old Ocelot Cub At The Toucan Rescue Ranch In Costa Rica
  25. A Muscadet Oriental Lily, Lilium 'Muscadet'
  26. Close-up of a toucan
  27. A Federally Endangered Mexican Gray Wolf, Wild Canid Survival And Research Center
  28. Four buff orpington hens in tall grass
  29. A portrait of a wolverine, Gulo gulo
  30. Japanese Spider Crab, Macrocheira Kaempferi, At The Aquarium Of The Pacific
  31. Unripe lowbush blueberries
  32. A Big Blue Octopus Or Day Octopus At The Butterfly Pavilion
  33. A Salmon-Crested Cockatoo At The Sedgwick County Zoo
  34. Red knot sandpipers, Calidris canutus rufa
  35. A critically endangered Bactrian camel, at the Lincoln Children's Zoo
  36. Smooth fronted caiman at the Saint Augustine Alligator Farm Zoological Park
  37. Portrait of Benjamin Franklin on the one hundred dollar bill
  38. A Hawaiian orange hibiscus, Hibiscus kokio saintjohnianus
  39. An endangered Sumatran tiger, at the Miller Park Zoo
  40. A Federally Endangered Clouded Leopard At The Houston Zoo
  41. A federally endangered African leopard, Panthera pardus pardus, at the Houston Zoo
  42. Golden-headed lion tamarin, at the Dallas World Aquarium
  43. Atacama Desert, Chile
  44. Aspen, Colorado
  45. A jogger in silhouette runs on the surf line of the beach
  46. Sioux Falls, South Dakota
  47. A common raven, Corvus corax corax, at Lisbon Zoo in Portugal
  48. An Endangered Peruvian Woolly Monkey At Cetas-IBAMA, Manaus, Brazil