Edited by Ken-ichi Ueda, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) jim gifford, some rights reserved (CC BY-SA)
- 2. (c) Mike, some rights reserved (CC BY-NC-ND)
- 3. (c) Steve Berardi, some rights reserved (CC BY-NC-SA)
- 4. (c) Pierre-Selim, some rights reserved (CC BY-SA)
- 5. (c) docentjoyce, some rights reserved (CC BY)
- 6. (c) Gary Ashley, some rights reserved (CC BY-NC)
- 7. (c) Chuck Coker, some rights reserved (CC BY-ND)
- 8. (c) sébastien bertru, some rights reserved (CC BY-SA)
- 9. (c) Mike Baird, some rights reserved (CC BY)
- 10. (c) TexasEagle, some rights reserved (CC BY-NC)
- 11. (c) Nick Chill, some rights reserved (CC BY-NC-ND)
- 12. (c) Lip Kee, some rights reserved (CC BY-SA)
- 13. (c) Henry T. McLin, some rights reserved (CC BY-NC-ND)
- 14. (c) Charles Lam, some rights reserved (CC BY-SA)
- 15. (c) Rick Leche, some rights reserved (CC BY-NC-ND)
- 16. (c) Doug Greenberg, some rights reserved (CC BY-NC-ND)
- 17. (c) Paul Sullivan, some rights reserved (CC BY-ND)
- 18. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 19. (c) Erin and Lance Willett, some rights reserved (CC BY-NC-ND)
- 20. (c) Diane, some rights reserved (CC BY-NC-ND)
- 21. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 22. (c) Eric Heupel, some rights reserved (CC BY-NC)
- 23. (c) Lucina M, some rights reserved (CC BY-NC)
- 24. (c) Anita Gould, some rights reserved (CC BY-NC), uploaded by Anita Gould