Edited by Marie Studer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 2. (c) Jason Means, some rights reserved (CC BY-NC-ND)
- 3. (c) Sergey Yeliseev, some rights reserved (CC BY-NC-ND)
- 4. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 5. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 6. (c) Gilles Gonthier, some rights reserved (CC BY)
- 7. (c) leppyone, some rights reserved (CC BY)
- 8. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 9. (c) David Friel, some rights reserved (CC BY)
- 10. (c) L A, some rights reserved (CC BY-NC-ND)
- 11. (c) Michael, some rights reserved (CC BY-NC-SA)
- 12. (c) Henry T. McLin, some rights reserved (CC BY-NC-ND)
- 13. (c) Elin Pierce, all rights reserved, uploaded by Elin Pierce
- 14. (c) Anita Gould, some rights reserved (CC BY-NC-SA), uploaded by Anita Gould
- 15. (c) Joby Joseph, some rights reserved (CC BY-NC-SA)
- 16. (c) Jason Whittle, some rights reserved (CC BY-NC-ND), uploaded by Jason Whittle
- 17. (c) funmontanaviva, some rights reserved (CC BY-ND)
- 18. (c) Ian Marsman, some rights reserved (CC BY-NC-ND)
- 19. (c) Robert, some rights reserved (CC BY-NC)
- 20. (c) James Ellison, some rights reserved (CC BY)
- 21. (c) Dave Riggs, some rights reserved (CC BY-SA)
- 22. (c) Lee, some rights reserved (CC BY-NC)
- 23. (c) arghman, some rights reserved (CC BY-NC-ND)
- 24. (c) Ken Slade, some rights reserved (CC BY-NC)
- 25. (c) copepodo, some rights reserved (CC BY-NC-ND)
- 26. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 27. (c) John Beatty, all rights reserved
- 28. (c) Anita, some rights reserved (CC BY-NC-SA)
- 29. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 30. (c) Mark Skipper, some rights reserved (CC BY)
- 31. (c) Rick Leche - Photography, some rights reserved (CC BY-NC-ND)
- 32. (c) Herman Mays, some rights reserved (CC BY-NC-ND)
- 33. (c) Tom Wicker, some rights reserved (CC BY-NC-ND)
- 34. (c) batwrangler, some rights reserved (CC BY-NC-ND)
- 35. (c) Connor Adams, all rights reserved, uploaded by Connor Adams
- 36. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 37. (c) Luciano Giussani, some rights reserved (CC BY-NC-SA)
- 38. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 39. (c) Minette Layne, some rights reserved (CC BY-SA)
- 40. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 41. (c) Matthew, some rights reserved (CC BY-NC-ND)
- 42. (c) Roger Butterfield, some rights reserved (CC BY-NC-SA)
- 43. (c) Mike Baird, some rights reserved (CC BY)
- 44. (c) Minette, some rights reserved (CC BY-NC)
- 45. (c) AnneTanne, some rights reserved (CC BY-NC)
- 46. (c) Bill and Kathy, some rights reserved (CC BY)
- 47. (c) Gavan Watson, some rights reserved (CC BY-NC-ND)
- 48. (c) Becky Gregory, some rights reserved (CC BY-ND)
- 49. (c) Mark Kilner, some rights reserved (CC BY-NC-SA)
- 50. (c) Gavan Watson, some rights reserved (CC BY-NC-SA)
- 51. (c) Pierre-Selim, some rights reserved (CC BY-SA)
- 52. (c) Juan Cruzado, some rights reserved (CC BY-SA), uploaded by Juan Cruzado
- 53. (c) Steve Voght, some rights reserved (CC BY-SA)
- 54. (c) Eddie Callaway, some rights reserved (CC BY-ND)
- 55. (c) Eric Bégin, some rights reserved (CC BY-NC-ND)
- 56. (c) Davide, some rights reserved (CC BY-SA)
- 57. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 58. (c) U.S. Fish and Wildlife Service Headquarters, some rights reserved (CC BY)
- 59. (c) Todd Pierson, some rights reserved (CC BY-NC-SA)
- 60. (c) Stewart Ho, some rights reserved (CC BY-NC-ND)
- 61. (c) Mary Harrsch, some rights reserved (CC BY-NC-SA)
- 62. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
- 63. (c) bac clin, some rights reserved (CC BY-NC-ND)
- 64. (c) Nick Chill, some rights reserved (CC BY-NC-SA)
- 65. (c) Jack Wolf, some rights reserved (CC BY-ND)
- 66. (c) Andrew, some rights reserved (CC BY-NC)
- 67. (c) Paul Sullivan, some rights reserved (CC BY-ND)
- 68. (c) Pablo Caceres Contreras, some rights reserved (CC BY-NC-ND)
- 69. (c) Jean-Guy Dallaire, some rights reserved (CC BY-NC-ND)
- 70. (c) Dominik Hofer, some rights reserved (CC BY-NC-SA)
- 71. (c) Zack, some rights reserved (CC BY-NC-SA)
- 72. (c) Risto Silaste, some rights reserved (CC BY-NC-ND)
- 73. (c) Euclid vanderKroew, some rights reserved (CC BY-NC-SA)