Edited by Andrea Wallace, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Nathan Rider, some rights reserved (CC BY-NC), uploaded by Nathan Rider
- 2. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
- 3. (c) USFWS Mountain-Prairie, some rights reserved (CC BY)
- 4. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 5. (c) Suzanne Cadwell, some rights reserved (CC BY-NC)
- 6. (c) Emily, some rights reserved (CC BY-SA)
- 7. (c) Bob Richmond, some rights reserved (CC BY)
- 8. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
- 9. (c) Andrew Block, some rights reserved (CC BY-NC), uploaded by Andrew Block
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- 11. (c) Fritz Flohr Reynolds, some rights reserved (CC BY-SA)
- 12. (c) Kevin, some rights reserved (CC BY-NC-SA)
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- 14. (c) Jason Hollinger, some rights reserved (CC BY)
- 15. (c) Lee Elliott, some rights reserved (CC BY-NC-SA)
- 16. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 17. (c) Rich Stevenson, some rights reserved (CC BY-NC), uploaded by Rich Stevenson
- 18. (c) Вікторія Тротнер(Приймачук), some rights reserved (CC BY-SA)
- 19. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
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- 21. (c) Daniel Carter, all rights reserved, uploaded by Daniel Carter
- 22. (c) AnneTanne, some rights reserved (CC BY-NC)
- 23. (c) Lee Elliott, some rights reserved (CC BY-NC-SA), uploaded by Lee Elliott
- 24. (c) Nick Furlan, some rights reserved (CC BY-NC), uploaded by Nick Furlan
- 25. (c) Robert D Stevenson, some rights reserved (CC BY-NC), uploaded by Robert D Stevenson
- 26. (c) Christopher R. Chaney, some rights reserved (CC BY-NC-ND), uploaded by Christopher R. Chaney
- 27. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 28. (c) Judy Gallagher, some rights reserved (CC BY-SA), uploaded by Judy Gallagher
- 29. (c) Wayne Dumbleton, some rights reserved (CC BY-NC-SA)
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- 32. (c) Damon Taylor, some rights reserved (CC BY-NC-SA)
- 33. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 34. (c) Leo Papandreou, some rights reserved (CC BY-NC-SA)
- 35. (c) Laura Breeden, some rights reserved (CC BY-NC), uploaded by Laura Breeden
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- 37. (c) seankent, some rights reserved (CC BY-NC), uploaded by seankent
- 38. (c) dnydick, some rights reserved (CC BY-NC), uploaded by dnydick
- 39. (c) Mark Kluge, some rights reserved (CC BY-NC), uploaded by Mark Kluge
- 40. (c) Erika Mitchell, some rights reserved (CC BY-NC), uploaded by Erika Mitchell
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- 42. (c) James Gaither, some rights reserved (CC BY-NC-ND)
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- 52. (c) Susan J. Hewitt, some rights reserved (CC BY-NC), uploaded by Susan J. Hewitt
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- 57. (c) Charles Wohlers, some rights reserved (CC BY-NC-ND)
- 58. (c) Thomas Koffel, some rights reserved (CC BY), uploaded by Thomas Koffel
- 59. (c) David Badke, some rights reserved (CC BY-SA), uploaded by David Badke
- 60. (c) Jason Sturner, some rights reserved (CC BY)
- 61. (c) Bill Freiheit, some rights reserved (CC BY-NC), uploaded by Bill Freiheit
- 62. (c) Greg Funka, some rights reserved (CC BY-NC), uploaded by Greg Funka
- 63. (c) Jay Sturner, some rights reserved (CC BY)
- 64. (c) Haley Selen, some rights reserved (CC BY-NC), uploaded by Haley Selen
- 65. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 66. (c) Clare Dellwo Cole, some rights reserved (CC BY-NC), uploaded by Clare Dellwo Cole
- 67. (c) Dorota (Dorothy), some rights reserved (CC BY-SA)
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- 71. (c) Dave Bonta, some rights reserved (CC BY-SA)
- 72. (c) Jacky Judas, some rights reserved (CC BY), uploaded by Jacky Judas
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- 74. (c) Chris, some rights reserved (CC BY-NC), uploaded by Chris
- 75. (c) Amy Beth Workman, some rights reserved (CC BY-NC), uploaded by Amy Beth Workman
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- 77. (c) Sean Blaney, some rights reserved (CC BY-NC), uploaded by Sean Blaney
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