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  1. A federally threatened grizzly bear, Ursus arctos horribilis
  2. A hawk-headed parrot, Deroptyus accipitrinus
  3. Rio De Janeiro, Brazil
  4. A Portrait Of A Marbled Cat
  5. Rocky Mountains great horned owl at Southwest Wildlife Conservation Center
  6. A North American Porcupine From The Calgary Wildlife Rehabilitation Society
  7. Black piranha, Serrasalmus rhombeus, at Shark Reef Aquarium
  8. A Southern tamandua, at Tampa's Lowry Park Zoo
  9. A critically endangered blue-throated macaw, Ara glaucogularis, at the Houston Zoo
  10. An endangered Brazilian hawk-headed parrot
  11. A Group Of Nudibranchs At De Jong Marinelife In Spijk, Netherlands
  12. Western Long-Nosed Snake, Rhinocheilus Lecontei, At The Arizona Sonora Desert Museum
  13. A threatened Northern spotted owl in a fresh clear-cut
  14. Southern boobook, Ninox boobook, at the Plzen Zoo
  15. Vermilion cardinal, Cardinalis phoeniceus, at the National Aviary of Colombia
  16. A California sea lion, at the Indianapolis Zoo
  17. A federally endangered Key Largo woodrat, Neotoma floridana smalli
  18. A Chilean flamingo, Phoenicopterus chilensis, at Atlanta Zoo
  19. A rock dove, Columba livia, from the Gladys Porter Zoo
  20. An orange tabby cat
  21. A speckled cape tortoise, at the Omaha Zoo
  22. Phantasmal poison dart frog, Dendrobates fantasticus
  23. Close-Up Of The Face Of An Amur Tiger, Also Called A Siberian Tiger, Omaha, Nebraska
  24. Carolina wren, Thryothorus ludovicianus, from Florida Wildlife Care
  25. The hands of a veterinarian and a federally threatened koala
  26. Asian koel at Angkor Center for Conservation of Biodiversity
  27. Redbreast Sunfish, Lepomis Auritus, At Welaka National Fish Hatchery Aquarium
  28. Patagonian sierra finch, Phrygilus patagonicus, from a private collection
  29. Sonora sucker, Catostomus insignis, at Mora National Fish Hatchery
  30. A boxer named Toto balances a treat on his nose
  31. Golden-headed lion tamarin, at the Dallas World Aquarium
  32. Common archduke at Angkor Center for Conservation of Biodiversity
  33. Edwardis Fig Parrot At Loro Parque Fundacion
  34. A spectacled caiman, at the Omaha Henry Doorly Zoo
  35. Male and female Eider duck
  36. Bluethroat, Erithacus svecica cyanicula, at the Plzen Zoo
  37. A male painted bunting, Passerina ciris
  38. A Vulnerable Syrian Brown Bear At The Budapest Zoo
  39. A Female African Elephant At The Cheyenne Mountain Zoo
  40. A Spectacled Owl At The Quistococha Zoo In Iquitos, Peru
  41. Pink necked green pigeon, Treron vernans, at the Plzen Zoo
  42. A pair of yellow-streaked lories, at the Omaha Henry Doorly Zoo
  43. Asian palm civet at Angkor Center for Conservation of Biodiversity
  44. Lowrie Island, Forrester Island National Wildlife Refuge, Alexander Archipelago , Alaska
  45. A king vulture, Sarcoramphus papa, from the Gladys Porter Zoo
  46. A Eurasian Elk At The Cheyenne Mountain Zoo
  47. Two Transcaspian Urials At The Management Of Nature Conservation In Abu Dhabi, UAE
  48. Oblong-Winged Katydids At The Insectarium In New Orleans