Edited by Todd Plummer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Natalie McNear, some rights reserved (CC BY-NC)
- 2. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 3. (c) Jack Wolf, some rights reserved (CC BY-ND)
- 4. (c) Todd Pierson, some rights reserved (CC BY-NC-SA)
- 5. (c) Zach Lim, some rights reserved (CC BY-NC), uploaded by Zach Lim
- 6. (c) Joshlaymon, some rights reserved (CC BY-SA)
- 7. (c) Dmitry Mozzherin, some rights reserved (CC BY-NC-SA)
- 8. (c) Doug Greenberg, some rights reserved (CC BY-NC-ND)
- 9. (c) Mike Baird, some rights reserved (CC BY)
- 10. (c) Alain Maire, some rights reserved (CC BY-NC), uploaded by Alain Maire
- 11. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 12. (c) Maggie.Smith, some rights reserved (CC BY-NC)
- 13. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 14. (c) Jason Stuck, some rights reserved (CC BY-NC-ND)
- 15. (c) Andrew Reding, some rights reserved (CC BY-NC-ND)
- 16. (c) Bob, some rights reserved (CC BY-NC-ND)
- 17. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 18. (c) dloarie, some rights reserved (CC BY), uploaded by dloarie
- 19. (c) Doug Greenberg, some rights reserved (CC BY-NC)
- 20. (c) Pete, some rights reserved (CC BY-NC-SA)
- 21. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 22. (c) nigel, some rights reserved (CC BY)
- 23. (c) Rick Leche - Photography, some rights reserved (CC BY-NC-ND)
- 24. (c) Terry & Julie, some rights reserved (CC BY-NC-SA)
- 25. (c) Yathin, some rights reserved (CC BY-NC-ND)
- 26. (c) sarbhloh, some rights reserved (CC BY-NC-ND)
- 27. (c) Lucina M, some rights reserved (CC BY-NC)
- 28. (c) Michael Woodruff, some rights reserved (CC BY)
- 29. (c) Frode Jacobsen, some rights reserved (CC BY)
- 30. (c) Derek Scott, some rights reserved (CC BY-NC)
- 31. (c) matt knoth, some rights reserved (CC BY-NC-ND)
- 32. (c) Kai Schreiber, some rights reserved (CC BY-NC-SA)
- 33. (c) Alan Vernon, some rights reserved (CC BY-NC-SA)
- 34. (c) Dawn Beattie, some rights reserved (CC BY)
- 35. (c) Becky Gregory, some rights reserved (CC BY-ND)
- 36. (c) Glen Peterson, some rights reserved (CC BY-NC-SA)
- 37. (c) Ingrid Taylar, some rights reserved (CC BY)
- 38. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 39. (c) USFWS Mountain-Prairie, some rights reserved (CC BY)
- 40. (c) Larry McCombs, some rights reserved (CC BY-NC-SA)
- 41. (c) Don Loarie, some rights reserved (CC BY)
- 42. (c) Andrea Kreuzhage, some rights reserved (CC BY-NC), uploaded by Andrea Kreuzhage
- 43. (c) Gary Robertson, some rights reserved (CC BY-NC)
- 44. (c) Sean Patrick Parnell, some rights reserved (CC BY-NC), uploaded by Sean Patrick Parnell
- 45. (c) Franco Folini, some rights reserved (CC BY)
- 46. (c) Marshal Hedin, some rights reserved (CC BY-NC-SA), uploaded by Marshal Hedin
- 47. (c) Peter Prehn, some rights reserved (CC BY-NC-ND)
- 48. (c) brian lee clements, some rights reserved (CC BY-NC)
- 49. (c) kevinhintsa, some rights reserved (CC BY-NC), uploaded by kevinhintsa
- 50. (c) Catherine Cook, some rights reserved (CC BY-NC-ND)
- 51. (c) Bill Bumgarner, some rights reserved (CC BY-NC-ND)
- 52. (c) 5u5, some rights reserved (CC BY-NC)
- 53. (c) Ed Hass, some rights reserved (CC BY-NC-ND), uploaded by Ed Hass
- 54. (c) Katja Schulz, some rights reserved (CC BY)
- 55. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 56. (c) Belinda Lo, some rights reserved (CC BY-NC-SA)
- 57. (c) J Brew, some rights reserved (CC BY-NC-SA), uploaded by J Brew
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- 59. (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young
- 60. (c) Ewan Pearce, some rights reserved (CC BY-NC-SA)
- 61. (c) tessabudzinski, some rights reserved (CC BY-NC)
- 62. (c) Randi Hausken, some rights reserved (CC BY-NC)
- 63. (c) Brent Miller, some rights reserved (CC BY-NC-ND)
- 64. (c) Maxwell Mantell, some rights reserved (CC BY-NC), uploaded by Maxwell Mantell
- 65. (c) Dawn Endico, some rights reserved (CC BY-SA)
- 66. (c) John Rusk, some rights reserved (CC BY-NC-SA)
- 67. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 68. (c) c michael hogan, some rights reserved (CC BY-NC-SA), uploaded by c michael hogan
- 69. (c) Jerry Kirkhart, some rights reserved (CC BY-NC)
- 70. (c) Franco Folini, some rights reserved (CC BY-SA)
- 71. (c) Eric in SF, some rights reserved (CC BY-NC-ND), uploaded by Eric in SF
- 72. (c) Luke McGuff, some rights reserved (CC BY-ND)
- 73. (c) CountryMouse13, some rights reserved (CC BY-NC-ND)
- 74. (c) Eric in SF, some rights reserved (CC BY-NC-ND)
- 75. (c) J Brew, some rights reserved (CC BY-NC-SA)
- 76. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 77. (c) Eric Cleveland, some rights reserved (CC BY-NC), uploaded by Eric Cleveland
- 78. (c) Michael Nerrie, some rights reserved (CC BY)
- 79. (c) Mick Talbot, some rights reserved (CC BY)
- 80. (c) Gravitywave, some rights reserved (CC BY-NC-SA)
- 81. (c) Tom Hilton, some rights reserved (CC BY)
- 82. (c) Tyler Kennedy, some rights reserved (CC BY-NC), uploaded by Tyler Kennedy
- 83. (c) Jon Sullivan, some rights reserved (CC BY-NC)