Edited by Peter N Dudley, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
- 2. (c) Katja Schulz, some rights reserved (CC BY)
- 3. (c) J Brew, some rights reserved (CC BY-SA)
- 4. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 5. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 6. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 7. (c) Todd Ramsden, some rights reserved (CC BY-NC), uploaded by Todd Ramsden
- 8. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 9. (c) Eric Hunt, some rights reserved (CC BY-NC-ND)
- 10. (c) Dan and Raymond, some rights reserved (CC BY-NC-SA)
- 11. (c) Carol Jacobs-Carre, some rights reserved (CC BY-NC-ND)
- 12. (c) Eric in SF, some rights reserved (CC BY-NC-ND)
- 13. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 14. (c) stonebird, some rights reserved (CC BY-SA)
- 15. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 16. (c) 2010 Keir Morse, some rights reserved (CC BY-NC-SA)
- 17. (c) George F Mayfield, some rights reserved (CC BY-SA)
- 18. (c) J. Maughn, some rights reserved (CC BY-NC)
- 19. (c) skuarua, some rights reserved (CC BY-NC-ND)
- 20. (c) Lynette Schimming, some rights reserved (CC BY-NC)
- 21. (c) Jill Matsuyama, some rights reserved (CC BY-NC-SA), uploaded by Jill Matsuyama
- 22. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 23. (c) AnneTanne, some rights reserved (CC BY-NC)
- 24. (c) Tom Spaulding, some rights reserved (CC BY-NC)
- 25. (c) Marshal Hedin, some rights reserved (CC BY)
- 26. (c) autan, some rights reserved (CC BY-NC-ND)
- 27. (c) Michael Nerrie, some rights reserved (CC BY)
- 28. (c) 2009 Zoya Akulova, some rights reserved (CC BY-NC)
- 29. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 30. (c) Ron Sipherd, some rights reserved (CC BY-NC-ND)
- 31. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 32. (c) J Brew, some rights reserved (CC BY-NC-SA), uploaded by J Brew
- 33. (c) Tom Hilton, some rights reserved (CC BY), uploaded by Tom Hilton
- 34. (c) Jim Morefield, some rights reserved (CC BY)
- 35. (c) Wayfinder_73, some rights reserved (CC BY-NC-ND)
- 36. (c) Claire Woods, some rights reserved (CC BY-NC-ND)
- 37. (c) Ilya Katsnelson, some rights reserved (CC BY)
- 38. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 39. (c) Peter Prehn, some rights reserved (CC BY-NC-ND)
- 40. (c) Peter Stevens, some rights reserved (CC BY)
- 41. (c) Michael Schmidt, some rights reserved (CC BY-NC-SA)
- 42. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
- 43. (c) Tom Hilton, some rights reserved (CC BY)
- 44. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 45. (c) Alex Wright, some rights reserved (CC BY-NC), uploaded by Alex Wright
- 46. (c) 2009 Barry Breckling, some rights reserved (CC BY-NC-SA)
- 47. (c) Franz Xaver, some rights reserved (CC BY-SA)
- 48. (c) Jennifer Natali, some rights reserved (CC BY-NC-SA)
- 49. (c) Micah Lauer, some rights reserved (CC BY-NC), uploaded by Micah Lauer
- 50. (c) Susan, some rights reserved (CC BY-NC), uploaded by Susan
- 51. (c) 2009 Keir Morse, some rights reserved (CC BY-NC-SA)