Edited by Anna Livia Singer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Lee Elliott, some rights reserved (CC BY-NC-SA), uploaded by Lee Elliott
- 2. (c) Anna Livia Singer, all rights reserved, uploaded by Anna Livia Singer
- 3. (c) cotinis, some rights reserved (CC BY-NC-SA)
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- 15. (c) Evan M. Raskin, some rights reserved (CC BY), uploaded by Evan M. Raskin
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- 18. (c) Jessica Wilson, some rights reserved (CC BY-NC), uploaded by Jessica Wilson
- 19. (c) Alex Popovkin, some rights reserved (CC BY-NC-ND), uploaded by Alex Popovkin
- 20. (c) Kerry Wixted, some rights reserved (CC BY-NC)
- 21. (c) 2009 Zoya Akulova, some rights reserved (CC BY-NC)
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- 28. (c) Carlos G Velazco-Macias, some rights reserved (CC BY-NC), uploaded by Carlos G Velazco-Macias
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- 39. (c) Andy Newman, some rights reserved (CC BY-NC), uploaded by Andy Newman
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- 51. (c) Anna Livia Singer, some rights reserved (CC BY-NC-ND), uploaded by Anna Livia Singer
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- 56. (c) Jim Varnum, some rights reserved (CC BY-NC), uploaded by Jim Varnum
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- 59. (c) Alan Weakley, some rights reserved (CC BY-NC), uploaded by Alan Weakley
- 60. (c) Dinesh Valke, some rights reserved (CC BY-NC-ND)
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- 66. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
