Edited by Emmett Clarkin, and Mike Jackson, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Matt Bowser, some rights reserved (CC BY), uploaded by Matt Bowser
- 2. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 3. (c) Asa-moya, some rights reserved (CC BY-NC-ND)
- 4. (c) Sergey Yeliseev, some rights reserved (CC BY-NC-ND)
- 5. (c) Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker
- 6. (c) Rosemary J. Smith, some rights reserved (CC BY-NC), uploaded by Rosemary J. Smith
- 7. (c) Jason Hollinger, some rights reserved (CC BY)
- 8. (c) Kim Hansen, some rights reserved (CC BY-SA)
- 9. (c) Joan Simon, some rights reserved (CC BY-SA)
- 10. (c) Eivind Kvamme, some rights reserved (CC BY-NC)
- 11. (c) Kari Pihlaviita, some rights reserved (CC BY-NC)
- 12. (c) Dawn Endico, some rights reserved (CC BY-SA)
- 13. (c) Mary Krieger, some rights reserved (CC BY), uploaded by Mary Krieger
- 14. (c) Cécile Bassaglia, some rights reserved (CC BY-NC-SA)
- 15. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
- 16. (c) Richard Droker, some rights reserved (CC BY-NC-ND)
- 17. (c) Alastair Rae, some rights reserved (CC BY-SA)
- 18. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 19. (c) Bruce Bennett, some rights reserved (CC BY-NC), uploaded by Bruce Bennett
- 20. (c) H. Zell, some rights reserved (CC BY-SA)
- 21. (c) Joe Walewski, some rights reserved (CC BY-NC), uploaded by Joe Walewski
- 22. (c) Alinja, some rights reserved (CC BY-SA)
- 23. (c) Boris Bolshakov, some rights reserved (CC BY-NC), uploaded by Boris Bolshakov
- 24. (c) Anthony B. Zerafa, some rights reserved (CC BY-NC), uploaded by Anthony B. Zerafa
- 25. (c) Mikko Heikkinen, some rights reserved (CC BY), uploaded by Mikko Heikkinen
- 26. (c) Hörður Kristinsson, some rights reserved (CC BY-NC)
- 27. (c) Owen Clarkin, some rights reserved (CC BY-NC), uploaded by Owen Clarkin
- 28. (c) Tony Frates, some rights reserved (CC BY-NC-SA)
- 29. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 30. (c) Superior National Forest, some rights reserved (CC BY)
- 31. (c) Peter, some rights reserved (CC BY-SA)
- 32. (c) jozien, some rights reserved (CC BY-NC), uploaded by jozien
- 33. (c) Bart Busschots, some rights reserved (CC BY-NC-ND)
- 34. (c) David McCorquodale, some rights reserved (CC BY), uploaded by David McCorquodale
- 35. (c) Norma Malinowski, some rights reserved (CC BY), uploaded by Norma Malinowski
- 36. (c) M. Goff, some rights reserved (CC BY-NC-SA), uploaded by M. Goff
- 37. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 38. (c) Torsten Eriksson, some rights reserved (CC BY-NC), uploaded by Torsten Eriksson
- 39. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 40. (c) Bas Kers (NL), some rights reserved (CC BY-NC-SA)
- 41. (c) Shawn Billerman, some rights reserved (CC BY-NC), uploaded by Shawn Billerman
- 42. (c) Salomé, some rights reserved (CC BY-NC-SA)
- 43. (c) Anders Sandberg, some rights reserved (CC BY)
- 44. (c) pfly, some rights reserved (CC BY-SA)
- 45. (c) Jesse Varner, some rights reserved (CC BY-NC-SA)
- 46. (c) Sean Blaney, some rights reserved (CC BY-NC), uploaded by Sean Blaney
- 47. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 48. (c) AnneTanne, some rights reserved (CC BY-NC)
- 49. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
- 50. (c) Peter O, some rights reserved (CC BY-SA)
- 51. (c) Jim Frazier, some rights reserved (CC BY-NC-ND)
- 52. (c) pietro c, some rights reserved (CC BY-NC)
- 53. (c) _foxg, some rights reserved (CC BY-NC)
- 54. (c) Jordi M-R, some rights reserved (CC BY), uploaded by Jordi M-R
- 55. (c) Bastiaan, some rights reserved (CC BY-NC-ND)
- 56. (c) AnneTanne, some rights reserved (CC BY-NC-SA)
- 57. (c) Drepanostoma, some rights reserved (CC BY-NC), uploaded by Drepanostoma
- 58. (c) Jon Sullivan, some rights reserved (CC BY-NC)
- 59. (c) aroy3, some rights reserved (CC BY-NC)
- 60. (c) Sten Porse, some rights reserved (CC BY-SA)
- 61. (c) Keith W. Larson, some rights reserved (CC BY-NC), uploaded by Keith W. Larson
- 62. (c) Chris Moody, some rights reserved (CC BY-NC)
- 63. (c) John Tann, some rights reserved (CC BY)
- 64. (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar