Edited by Brett Monroe Garner, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Nikolai Vladimirov, some rights reserved (CC BY-NC), uploaded by Nikolai Vladimirov
- 2. (c) Chieh, some rights reserved (CC BY-NC-SA)
- 3. (c) masaaki2019, some rights reserved (CC BY-NC), uploaded by masaaki2019
- 4. (c) Alexis López Hernández, some rights reserved (CC BY), uploaded by Alexis López Hernández
- 5. (c) Christopher Porter, some rights reserved (CC BY-NC-SA)
- 6. (c) Graham Gavaghan, some rights reserved (CC BY-NC-ND)
- 7. (c) Cory Gregory, some rights reserved (CC BY-NC), uploaded by Cory Gregory
- 8. (c) kevinhintsa, some rights reserved (CC BY-NC), uploaded by kevinhintsa
- 9. (c) wayne tucker, some rights reserved (CC BY-ND)
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- 11. (c) Leonora Enking, some rights reserved (CC BY-SA)
- 12. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
- 13. (c) Kari Pihlaviita, some rights reserved (CC BY-NC), uploaded by Kari Pihlaviita
- 14. (c) V.S. Volkotrub, some rights reserved (CC BY-NC), uploaded by V.S. Volkotrub
- 15. (c) Nasser Halaweh, some rights reserved (CC BY), uploaded by Nasser Halaweh
- 16. (c) Julia V. Shner, some rights reserved (CC BY-NC), uploaded by Julia V. Shner
- 17. (c) M.M. R, some rights reserved (CC BY-NC)
- 18. (c) c michael hogan, some rights reserved (CC BY-NC-SA), uploaded by c michael hogan
- 19. (c) Brian Gratwicke, some rights reserved (CC BY)
- 20. (c) Torsten Eriksson, some rights reserved (CC BY-NC), uploaded by Torsten Eriksson
- 21. (c) Anders Sandberg, some rights reserved (CC BY)
- 22. (c) Boris Bolshakov, some rights reserved (CC BY-NC), uploaded by Boris Bolshakov
- 23. (c) AnneTanne, some rights reserved (CC BY-NC)
- 24. (c) Bas Kers (NL), some rights reserved (CC BY-NC-SA)
- 25. (c) Denali National Park and Preserve, some rights reserved (CC BY)
- 26. (c) Shihmei Barger 舒詩玫, some rights reserved (CC BY-NC-ND)
- 27. (c) Ryan McMinds, some rights reserved (CC BY)
- 28. (c) AnneTanne, some rights reserved (CC BY-NC-SA)
- 29. (c) Liisa-Maija Harju, some rights reserved (CC BY-NC-ND)
- 30. (c) Simon G, some rights reserved (CC BY-NC-SA)
- 31. (c) Shawn Billerman, some rights reserved (CC BY-NC), uploaded by Shawn Billerman
- 32. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 33. (c) Jacky Judas, some rights reserved (CC BY), uploaded by Jacky Judas
- 34. (c) Ruta Kucinskaite, some rights reserved (CC BY-ND)
- 35. (c) pluralzed, some rights reserved (CC BY-NC-SA)
- 36. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 37. (c) Kari Pihlaviita, some rights reserved (CC BY-NC)
- 38. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
- 39. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 40. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
- 41. (c) Magnus, some rights reserved (CC BY-ND)
- 42. (c) Sheila, some rights reserved (CC BY-NC-ND)
- 43. (c) Sergey Yeliseev, some rights reserved (CC BY-NC-ND)
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- 46. (c) Stefan Jansson, some rights reserved (CC BY-NC-SA)
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- 48. (c) Brad Walker, some rights reserved (CC BY-NC), uploaded by Brad Walker
- 49. (c) jozien, some rights reserved (CC BY-NC), uploaded by jozien
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- 51. (c) Ian Boyd, some rights reserved (CC BY-NC)
- 52. (c) Jim Morefield, some rights reserved (CC BY)
- 53. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
- 54. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 55. (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist
- 56. (c) Brett Monroe Garner, all rights reserved, uploaded by Brett Monroe Garner
- 57. (c) jpc.raleigh, some rights reserved (CC BY-NC)
- 58. (c) bbi2, some rights reserved (CC BY-NC), uploaded by bbi2
- 59. (c) Kevin Buehler, some rights reserved (CC BY-NC-SA)
- 60. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 61. (c) Joe Walewski, some rights reserved (CC BY-NC), uploaded by Joe Walewski
- 62. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
- 63. (c) Peter Stevens, some rights reserved (CC BY)
- 64. (c) Keith W. Larson, some rights reserved (CC BY-NC), uploaded by Keith W. Larson
- 65. (c) --Tico--, some rights reserved (CC BY-NC-ND)
- 66. (c) 2009 Keir Morse, some rights reserved (CC BY-NC-SA)
- 67. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 68. (c) Paul Norwood, some rights reserved (CC BY-NC), uploaded by Paul Norwood
- 69. (c) Drepanostoma, some rights reserved (CC BY-NC), uploaded by Drepanostoma
- 70. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz
- 71. (c) Lars Falkdalen Lindahl, some rights reserved (CC BY-NC-SA)
- 72. (c) _foxg, some rights reserved (CC BY-NC)
- 73. (c) Bastiaan, some rights reserved (CC BY-NC-ND)
- 74. (c) Andre Hosper, some rights reserved (CC BY), uploaded by Andre Hosper
- 75. (c) beautifulcataya, some rights reserved (CC BY-NC-ND)
- 76. (c) _foxy, some rights reserved (CC BY-NC)
- 77. (c) Priyantha Wijesinghe, some rights reserved (CC BY-NC), uploaded by Priyantha Wijesinghe
- 78. (c) Chris Parker, some rights reserved (CC BY-ND)