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Photo Credits
- 1. (c) stremblay21, some rights reserved (CC BY-NC), uploaded by stremblay21
- 2. (c) Marilyn Smith, some rights reserved (CC BY-NC), uploaded by Marilyn Smith
- 3. (c) Alan Rockefeller, some rights reserved (CC BY), uploaded by Alan Rockefeller
- 4. (c) Mart Hughes, some rights reserved (CC BY-NC), uploaded by Mart Hughes
- 5. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 6. (c) Alison Northup, some rights reserved (CC BY), uploaded by Alison Northup
- 7. (c) Brandt Magic, some rights reserved (CC BY-NC), uploaded by Brandt Magic
- 8. (c) Jesús Niño C., some rights reserved (CC BY-NC), uploaded by Jesús Niño C.
- 9. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 10. no rights reserved, uploaded by Jesse Rorabaugh
- 11. (c) lucyjfrank, some rights reserved (CC BY-NC), uploaded by lucyjfrank
- 12. (c) Алексей Афонин, some rights reserved (CC BY-NC), uploaded by Алексей Афонин
- 13. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 14. (c) josh jackson, some rights reserved (CC BY)
- 15. (c) Tom Norton, some rights reserved (CC BY), uploaded by Tom Norton
- 16. (c) 101595408250610106310, some rights reserved (CC BY), uploaded by 101595408250610106310
- 17. (c) Ken Potter, some rights reserved (CC BY-NC), uploaded by Ken Potter
- 18. (c) c michael hogan, some rights reserved (CC BY-NC-SA), uploaded by c michael hogan
- 19. (c) fitomorfolog_t, some rights reserved (CC BY), uploaded by fitomorfolog_t
- 20. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 21. (c) Benjamin J. Dion, some rights reserved (CC BY-NC-SA), uploaded by Benjamin J. Dion
- 22. (c) J. Maughn, some rights reserved (CC BY-NC), uploaded by J. Maughn
- 23. (c) Grahame, some rights reserved (CC BY-NC-ND), uploaded by Grahame
- 24. (c) Reiner Richter, some rights reserved (CC BY-NC-SA), uploaded by Reiner Richter
- 25. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 26. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 27. (c) Cat Chang, some rights reserved (CC BY-NC), uploaded by Cat Chang
- 28. (c) Madeleine Claire, some rights reserved (CC BY), uploaded by Madeleine Claire
- 29. (c) Miao Ling He, some rights reserved (CC BY-NC), uploaded by Miao Ling He
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- 31. (c) 2011 Barry Breckling, some rights reserved (CC BY-NC-SA)
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- 33. (c) Tom Turner, some rights reserved (CC BY-NC), uploaded by Tom Turner
- 34. (c) snoggsroach, some rights reserved (CC BY-NC), uploaded by snoggsroach
- 35. (c) Jim Morefield, some rights reserved (CC BY)
- 36. (c) Richard Reynolds, some rights reserved (CC BY-NC), uploaded by Richard Reynolds
- 37. (c) Paul G. Johnson, some rights reserved (CC BY-NC-SA), uploaded by Paul G. Johnson
- 38. (c) Jill Matsuyama, some rights reserved (CC BY-NC-SA), uploaded by Jill Matsuyama
- 39. (c) JJ Johnson, some rights reserved (CC BY-NC), uploaded by JJ Johnson
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- 42. (c) Jim Frisinger, some rights reserved (CC BY-NC), uploaded by Jim Frisinger
- 43. (c) Stan Shebs, some rights reserved (CC BY-SA)
- 44. (c) Vladimir Bryukhov, some rights reserved (CC BY-NC), uploaded by Vladimir Bryukhov
- 45. (c) Dana Hoisington, some rights reserved (CC BY-NC), uploaded by Dana Hoisington
- 46. (c) Andrea Kreuzhage, some rights reserved (CC BY-NC), uploaded by Andrea Kreuzhage
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- 51. (c) Steve Matson, some rights reserved (CC BY), uploaded by Steve Matson
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- 53. (c) Steve Jones, some rights reserved (CC BY-NC), uploaded by Steve Jones
- 54. (c) Fred Melgert / Carla Hoegen, some rights reserved (CC BY-NC), uploaded by Fred Melgert / Carla Hoegen
- 55. (c) Millie Basden, some rights reserved (CC BY), uploaded by Millie Basden
- 56. (c) Zack Abbey, some rights reserved (CC BY), uploaded by Zack Abbey
- 57. (c) Gustavo Fernando Durán, some rights reserved (CC BY-NC-SA), uploaded by Gustavo Fernando Durán
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- 59. (c) Alexis, some rights reserved (CC BY), uploaded by Alexis
- 60. (c) Neil Gilham, some rights reserved (CC BY-NC), uploaded by Neil Gilham
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- 62. (c) jrebman, some rights reserved (CC BY-NC), uploaded by jrebman
- 63. (c) lonnyholmes, some rights reserved (CC BY-NC), uploaded by lonnyholmes
- 64. (c) Tim Messick, some rights reserved (CC BY-NC), uploaded by Tim Messick
- 65. (c) pandg, some rights reserved (CC BY-NC), uploaded by pandg
- 66. (c) Erik Danielsen, some rights reserved (CC BY-NC), uploaded by Erik Danielsen
- 67. (c) Tom Hilton, some rights reserved (CC BY), uploaded by Tom Hilton
- 68. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 69. (c) Noah Strycker, some rights reserved (CC BY-NC), uploaded by Noah Strycker
- 70. (c) Evan Albright, some rights reserved (CC BY-NC), uploaded by Evan Albright
- 71. (c) kingsgate, some rights reserved (CC BY-NC)
- 72. (c) Matt Berger, some rights reserved (CC BY), uploaded by Matt Berger
- 73. (c) Leslie S, some rights reserved (CC BY-NC), uploaded by Leslie S
- 74. (c) Jason Hollinger, some rights reserved (CC BY-ND)
- 75. (c) Kat Halsey, some rights reserved (CC BY-NC), uploaded by Kat Halsey
- 76. (c) Erik Meling, some rights reserved (CC BY-NC), uploaded by Erik Meling
- 77. (c) Kenneth Bader, some rights reserved (CC BY-NC), uploaded by Kenneth Bader
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- 79. (c) Chris Cameron, some rights reserved (CC BY-NC), uploaded by Chris Cameron
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- 82. (c) Camden Bruner, some rights reserved (CC BY-NC-ND), uploaded by Camden Bruner
- 83. (c) Joshua Smith, some rights reserved (CC BY-NC), uploaded by Joshua Smith
- 84. (c) Bonnie Nickel, some rights reserved (CC BY-ND), uploaded by Bonnie Nickel
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