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Photo Credits
- 1. (c) J Brew, some rights reserved (CC BY-SA), uploaded by J Brew
- 2. (c) Arthur Chapman, some rights reserved (CC BY)
- 3. (c) 2009 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 4. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 5. (c) steffibond, some rights reserved (CC BY-NC), uploaded by steffibond
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- 7. (c) Jason Whittle, some rights reserved (CC BY-NC-ND), uploaded by Jason Whittle
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- 9. (c) Sean Blaney, some rights reserved (CC BY-NC), uploaded by Sean Blaney
- 10. (c) Annkatrin Rose, some rights reserved (CC BY-NC-SA)
- 11. (c) Hörður Kristinsson, some rights reserved (CC BY-NC)
- 12. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 13. (c) naturalheritagetech, some rights reserved (CC BY-NC), uploaded by naturalheritagetech
- 14. (c) Marco Bernardini, some rights reserved (CC BY-SA)
- 15. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 16. (c) Claudia Daggett, some rights reserved (CC BY-NC)
- 17. (c) J Brew, some rights reserved (CC BY-NC-SA)
- 18. (c) mustardlypig, some rights reserved (CC BY-NC), uploaded by mustardlypig
- 19. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 20. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 21. (c) Franco Folini, some rights reserved (CC BY)
- 22. (c) David Lawrence, some rights reserved (CC BY-NC-SA)
- 23. (c) Gordon Rattray, some rights reserved (CC BY-NC-SA), uploaded by Gordon Rattray
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- 31. (c) José María Escolano, some rights reserved (CC BY-NC-SA)
- 32. (c) Kari Pihlaviita, some rights reserved (CC BY-NC)
- 33. (c) jmluger, some rights reserved (CC BY-NC), uploaded by jmluger
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- 38. (c) M. Goff, some rights reserved (CC BY-NC-SA), uploaded by M. Goff
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- 40. (c) Anders Lennver, some rights reserved (CC BY-NC)
- 41. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 42. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
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- 50. (c) 2011 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
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- 53. (c) Jörg Hempel, some rights reserved (CC BY-SA)
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- 60. (c) Kjartan Birgisson, some rights reserved (CC BY), uploaded by Kjartan Birgisson
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- 62. (c) --Tico--, some rights reserved (CC BY-NC-ND)
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- 65. (c) Miles Barger, some rights reserved (CC BY-NC-SA)
- 66. (c) 116916927065934112165, some rights reserved (CC BY-SA), uploaded by 116916927065934112165
- 67. (c) 2004 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 68. (c) Anders Lanzen, some rights reserved (CC BY-NC-SA)
- 69. (c) Jamie McMillan, some rights reserved (CC BY-NC-SA)
- 70. (c) Benoît Deniaud, some rights reserved (CC BY-NC-SA)
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- 74. (c) Jason Grant, some rights reserved (CC BY), uploaded by Jason Grant
- 75. (c) Christopher Moore, some rights reserved (CC BY-NC), uploaded by Christopher Moore
- 76. (c) Heather Pickard, some rights reserved (CC BY-NC), uploaded by Heather Pickard