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Photo Credits
- 1. (c) Wayfinder_73, some rights reserved (CC BY-NC-ND)
- 2. (c) Tom Hilton, some rights reserved (CC BY)
- 3. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 4. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 5. no rights reserved
- 6. (c) Peter Gorman, some rights reserved (CC BY-NC-SA)
- 7. (c) Frank Mayfield, some rights reserved (CC BY-SA)
- 8. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 9. (c) AnneTanne, some rights reserved (CC BY-NC-SA)
- 10. (c) Mike Carroll, some rights reserved (CC BY-NC-SA)
- 11. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
- 12. (c) epicnom, some rights reserved (CC BY-NC)
- 13. (c) M.M. R, some rights reserved (CC BY-NC)
- 14. (c) AnneTanne, some rights reserved (CC BY-NC)
- 15. (c) Scott Loarie, some rights reserved (CC BY)
- 16. (c) Terrie Miller, some rights reserved (CC BY-NC-SA)
- 17. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 18. (c) birdgal5, some rights reserved (CC BY-NC-ND)
- 19. (c) J Brew, some rights reserved (CC BY-NC-SA)
- 20. (c) J Brew, some rights reserved (CC BY-SA), uploaded by J Brew
- 21. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 22. (c) Claire Woods, some rights reserved (CC BY-NC-ND)
- 23. (c) Brent Miller, some rights reserved (CC BY-NC-ND)
- 24. (c) D In Orbit, some rights reserved (CC BY-NC-ND)
- 25. (c) 2009 Zoya Akulova, some rights reserved (CC BY-NC)
- 26. (c) Bryant Olsen, some rights reserved (CC BY-NC)
- 27. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 28. (c) J Brew, some rights reserved (CC BY-SA)
- 29. (c) Peter Prehn, some rights reserved (CC BY-NC-ND)
- 30. (c) beautifulcataya, some rights reserved (CC BY-NC-ND)
- 31. (c) Franco Folini, some rights reserved (CC BY)
- 32. (c) Erin and Lance Willett, some rights reserved (CC BY-NC-ND)
- 33. (c) 2012 Barry Rice, some rights reserved (CC BY-NC-SA)
- 34. (c) 2008 Keir Morse, some rights reserved (CC BY-NC-SA)
- 35. (c) John Game, some rights reserved (CC BY-NC-SA)
- 36. (c) autan, some rights reserved (CC BY-NC-ND)
- 37. (c) Michael Nerrie, some rights reserved (CC BY-NC-ND)
- 38. (c) Jennifer Natali, some rights reserved (CC BY-NC-SA)
- 39. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 40. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 41. (c) Peter Stevens, some rights reserved (CC BY)
- 42. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)
- 43. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
- 44. (c) Tom Hilton, some rights reserved (CC BY), uploaded by Tom Hilton
- 45. (c) Gravitywave, some rights reserved (CC BY-NC-SA)
- 46. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
- 47. (c) 2000 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 48. (c) Erica F., some rights reserved (CC BY-NC-SA), uploaded by Erica F.
- 49. (c) lemurdillo, some rights reserved (CC BY-NC-SA)
- 50. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 51. (c) Matthieu Lienart, some rights reserved (CC BY-NC-SA)
- 52. (c) Stan Shebs, some rights reserved (CC BY-SA)
- 53. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 54. (c) Frank D. Lospalluto, some rights reserved (CC BY-NC-ND)
- 55. (c) David Bygott, some rights reserved (CC BY-NC-SA)
- 56. (c) 2009 Barry Breckling, some rights reserved (CC BY-NC-SA)