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  1. A great egret, Ardea alba
  2. A Salmon-Crested Cockatoo At The Sedgwick County Zoo
  3. A military macaw at the Denver Zoo, Denver, Colorado
  4. A federally threatened koala climbs on top of its mother, who has conjunctivitis
  5. A sulpher-crested cockatoo, at the Minnesota Zoo
  6. An endangered giant panda, Ailuropoda melanoleuca, at Zoo Atlanta
  7. Lower Klamath National Wildlife Refuge, Klamath Basin Refuge Complex, Californi A
  8. Sierra Chincua, Mexico
  9. A male and female white winged duck, Asarcornis scutulata, at Sylvan Heights Bird Park
  10. A pair of Australian rainbow lorikeets, at the Indianapolis Zoo
  11. Between The Continental Divide And Lemhi Valley, Idaho
  12. Common wanderer at Angkor Center for Conservation of Biodiversity
  13. Endangered peninsula pronghorn antelopes at the Los Angeles Zoo
  14. Ghost ants at the Urban Entomology Lab at the University of Florida
  15. A nautilus, Nautilus pompilius, at the Monterey Bay Aquarium
  16. A herd of bison roam on a ranch
  17. A vulnerable lesser prairie chicken, Tympanuchus pallidicinctus
  18. Barred owl, Strix varia, from Florida Wildlife Care
  19. Speckled Caimans (Caiman Crocodilus) Swimming In Rushing River Water, Pantanal, Brazil
  20. Sioux Falls, South Dakota
  21. A western diamondback rattlesnake migrates radially from its den
  22. Small Indian Mongoose, Herpestes Javanicus, At The Assam State Zoo
  23. An endangered Malayan tiger, Panthera tigris jacksoni
  24. A federally threatened grizzly bear, Ursus arctos horribilis
  25. An endangered Malayan tiger
  26. A Zerafshan pheasant, Phasianus colchicus zerafschanicus, at the Plzen Zoo
  27. Salmon, Idaho
  28. A Rio Grande cutthroat trout at Seven Springs Fish Hatchery
  29. A military macaw at the Denver Zoo, Denver, Colorado
  30. Atacama Desert, Chile
  31. Basket Star, Gorgonocephalus Eucnemis, At The Alaska Sealife Center
  32. A blossom headed parakeet, Psittacula roseata roseata, at Loro Parque Fundacion
  33. Carolina wren, Thryothorus ludovicianus, from Florida Wildlife Care
  34. San Francisco Garter Snake, Thamnophis Sirtalis Tetrataenia, At The Exmoor Zoo
  35. A Chilean flamingo chick
  36. A federally threatened grizzly bear, Ursus arctos horribilis
  37. An albino Nelson's milksnake, Lampropeltis triangulum nelsoni
  38. Asian Forest Scorpion, Heterometrus Swammerdami, At The Exmoor Zoo
  39. An Endangered Male, White Bengal Tiger At The Alabama Gulf Coast Zoo
  40. A portrait of a golden doodle mix breed dog
  41. Mei Lun And Mei Huan, Twin Giant Panda Cubs, Ailuropoda Melanoleuca, At Zoo Atlanta
  42. A critically-endangered Sumatran tiger at Zoo Atlanta
  43. A federally threatened koala at a wildlife sanctuary
  44. A federally endangered clouded leopard, Neofelis nebulosa
  45. A partially albino red-tailed hawk, at the Minnesota Zoo
  46. A common raven, Corvus corax corax, at Lisbon Zoo in Portugal
  47. A jogger in silhouette runs on the surf line of the beach
  48. Close up of an American columbine, Aquilegia canadensis