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  1. Black piranha, Serrasalmus rhombeus, at Shark Reef Aquarium
  2. A portrait of a bison on a ranch
  3. A Negros Scops Owl At Negros Forest Park
  4. A rare Northern spotted owl, Strix occidentalis caurina
  5. A green cheeked parakeet, Pyrrhura molinae restricta, from a private collection
  6. An endangered Siberian tiger
  7. A green parakeet, Psittacara holochlorus strenuus, from a private collection
  8. Homosassa Springs, Homosassa River, Homosassa Springs State Wildlife Park, Flor Ida
  9. Indochinese tiger at Omahas Henry Doorly Zoo
  10. A large group of parakeets gather at a bird feeder at the New Orleans Aquarium
  11. Lightning strikes in Wyoming's Red Desert, Adobe Town, Wyoming
  12. A three-month-old baby chimpanzee, at Tampa's Lowry Park Zoo
  13. An attack submarine cruises into port at Groton, Connecticut
  14. Barred owl, Strix varia, from Florida Wildlife Care
  15. A large adult grizzly bear faces the camera
  16. Cope's gray tree frog, hiding in a peony bush near Cross Lake, Minnesota
  17. Clay's hibiscus, Hibiscus clayi, a federally endangered plant
  18. A Female Giant Pacific Octopus At The Alaska Sealife Center
  19. Three critically endangered, yearling radiated tortoises at the Turtle Conservancy
  20. A Monarch Butterfly From The Sierra Chincua Mountain Range, Mexico
  21. Spider beetles, Gibbium aequinoctiale, at Western Kentucky University
  22. A captive gray wolf licks his nose, Rapid City, South Dakota
  23. Studio portrait of a cat named Amadeus Wolfgang Meowzart
  24. A federally endangered clouded leopard, Neofelis nebulosa
  25. A Brazilian porcupine, Coendou prehensilis, at the Saint Louis Zoo
  26. A fisherman in Bighorn Creek, part of the Kootenay River system
  27. A close view of a mother holding her newborn baby's hand
  28. Some of the 100,000 nesting pairs of King penguins in St. Andrews Bay
  29. A cluster of rare Harper's beauty flowers, Harperocallis flava
  30. Miller Park Zoo, Bloomington, Illinois.
  31. A great horned owl at Northwest Trek Wildlife Park in Eatonville, Washington
  32. A three-month-old baby chimpanzee, at Tampa's Lowry Park Zoo
  33. A female bison, at the Oklahoma City Zoo
  34. An overpass for wildlife spans the Trans Canada Highway in Banff, Alberta, Canada
  35. Cliff chipmunk, Tamias dorsalis, at Southwest Wildlife Conservation Center
  36. Red Sided Garter Snake, Thamnophis Sirtalis Infernalis, At The Exmoor Zoo
  37. Hutchinson, Kansas
  38. A snowy egret, at the Lincoln Children's Zoo
  39. Capitol dome with moon, Hartford, Connecticut
  40. A rare Eastern indigo snake, Drymarchon corais couperi
  41. A veiled chameleon
  42. A Mount Graham red squirrel, one of the rarest animals in North America
  43. A great egret, Ardea alba
  44. Canton, Kansas
  45. A dragonfly collected from Mount Gorongosa
  46. A herd of pronghorns graze near gas drilling rigs sunset, Pinedale, Wyoming
  47. West African black-crowned cranes
  48. Ringnecked pheasant, Phasianus colchicus, in the Nebraska sandhills