Edited by T Lasswell, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Kristian Peters, some rights reserved (CC BY-NC-SA)
- 2. (c) 2005 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 3. (c) Jon Sullivan, some rights reserved (CC BY)
- 4. (c) Brianne Nelson, some rights reserved (CC BY-NC), uploaded by Brianne Nelson
- 5. (c) tsoleau, some rights reserved (CC BY-NC-ND)
- 6. (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young
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- 8. (c) Susan J. Hewitt, some rights reserved (CC BY-NC), uploaded by Susan J. Hewitt
- 9. (c) lesismore, some rights reserved (CC BY-NC), uploaded by lesismore
- 10. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC)
- 11. (c) holdfast..., some rights reserved (CC BY)
- 12. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 13. (c) anyoung78, some rights reserved (CC BY-NC), uploaded by anyoung78
- 14. (c) tyrelfroese, some rights reserved (CC BY-NC), uploaded by tyrelfroese
- 15. (c) Daniel Hershman from Federal Way, US, some rights reserved (CC BY)
- 16. (c) Gena Bentall, some rights reserved (CC BY-NC), uploaded by Gena Bentall
- 17. (c) james_holkko, some rights reserved (CC BY-NC)
- 18. (c) faerthen, some rights reserved (CC BY-NC), uploaded by faerthen
- 19. (c) Rebecca Johnson, some rights reserved (CC BY-NC), uploaded by Rebecca Johnson
- 20. no rights reserved, uploaded by Scott Loarie
- 21. (c) M. Goff, some rights reserved (CC BY-NC-SA), uploaded by M. Goff
- 22. (c) Jerry Kirkhart, some rights reserved (CC BY)
- 23. (c) kqedquest, some rights reserved (CC BY-NC)
- 24. (c) Paul Norwood, some rights reserved (CC BY-NC), uploaded by Paul Norwood
- 25. (c) hikingsandiego, some rights reserved (CC BY-NC), uploaded by hikingsandiego
- 26. (c) 101595408250610106310, some rights reserved (CC BY), uploaded by 101595408250610106310
- 27. (c) Andrew Simon, some rights reserved (CC BY-NC), uploaded by Andrew Simon
