Photos:
- 1. (c) Jason Eckberg, some rights reserved (CC BY-NC), uploaded by Jason Eckberg
- 2. (c) Prairie_Pictures, some rights reserved (CC BY-NC-SA)
- 3. (c) Didier Descouens, some rights reserved (CC BY-SA)
- 4. (c) Luca Boscain, some rights reserved (CC BY-NC), uploaded by Luca Boscain
- 5. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 6. (c) Robert Young, some rights reserved (CC BY)
- 7. (c) anonymous, some rights reserved (CC BY-SA)
- 8. (c) nolieschneider, some rights reserved (CC BY-NC), uploaded by nolieschneider
- 9. (c) Seabrooke Leckie, some rights reserved (CC BY-NC-ND)
- 10. (c) Jim Johnson, some rights reserved (CC BY-NC-ND), uploaded by Jim Johnson
- 11. (c) Laura Gaudette, some rights reserved (CC BY), uploaded by Laura Gaudette
- 12. (c) Bob Travis, some rights reserved (CC BY-NC)
- 13. (c) David Bygott, some rights reserved (CC BY-NC-SA)
- 14. (c) John Flannery, some rights reserved (CC BY-SA)
- 15. (c) Angie Shyrigh, some rights reserved (CC BY-NC)
- 16. (c) G. L. Dearman, some rights reserved (CC BY-NC), uploaded by G. L. Dearman
- 17. (c) Matt Reinbold, some rights reserved (CC BY-SA)
- 18. (c) ColoradEO, some rights reserved (CC BY-NC)
- 19. (c) Sean McCann, some rights reserved (CC BY-NC-SA)
- 20. (c) Jim Vargo at Moth Photographers Group, some rights reserved (CC BY-NC-SA)
- 21. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 22. (c) Anita, some rights reserved (CC BY-NC)
- 23. (c) johnvillella, some rights reserved (CC BY-NC-SA)
- 24. (c) Steve L. Martin, some rights reserved (CC BY)
- 25. (c) Marcello Consolo, some rights reserved (CC BY-NC-SA)
- 26. (c) D. Gordon E. Robertson, some rights reserved (CC BY-SA)
- 27. (c) Peter Prehn, some rights reserved (CC BY-NC-ND)
- 28. (c) Greg Pauly, some rights reserved (CC BY-NC), uploaded by Greg Pauly
- 29. (c) Franco Folini, some rights reserved (CC BY)
- 30. (c) Ken Slade, some rights reserved (CC BY-NC)
- 31. (c) Jacob Bell, some rights reserved (CC BY-NC), uploaded by Jacob Bell
- 32. (c) brian lee clements, some rights reserved (CC BY-NC)
- 33. (c) cotinis, some rights reserved (CC BY-NC-SA)
- 34. (c) Paul Bedell, some rights reserved (CC BY-NC-SA)
- 35. (c) José Belem Hernández Díaz, some rights reserved (CC BY), uploaded by José Belem Hernández Díaz
- 36. (c) Brian Peterson, some rights reserved (CC BY-NC-ND)
- 37. (c) Jim P. Brock, some rights reserved (CC BY-NC-SA)
- 38. (c) Roger Shaw, some rights reserved (CC BY-NC-SA)
- 39. (c) Jason Forbes, some rights reserved (CC BY-NC-ND)
- 40. (c) Anne, some rights reserved (CC BY-NC-SA)
- 41. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 42. (c) Jeffrey Pippen, some rights reserved (CC BY-NC-SA)
- 43. (c) Catherine Cook, some rights reserved (CC BY-NC-ND)
- 44. (c) Robb Hannawacker, some rights reserved (CC BY-NC-SA)
- 45. (c) Bill Bouton, some rights reserved (CC BY-NC-ND)
- 46. (c) Kerry Matz, some rights reserved (CC BY-NC-SA)
- 47. (c) summerazure, some rights reserved (CC BY-NC-SA)
- 48. (c) msr, some rights reserved (CC BY-NC), uploaded by msr
- 49. (c) Charles Bordelon and Ed Knudson, some rights reserved (CC BY)
- 50. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 51. (c) Pam Piombino, some rights reserved (CC BY-NC), uploaded by Pam Piombino
- 52. (c) Bill Carrell, some rights reserved (CC BY-NC-ND), uploaded by Bill Carrell
- 53. (c) roy pilcher, some rights reserved (CC BY-NC), uploaded by roy pilcher
- 54. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 55. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 56. (c) David Andreas De Rivera Tønnessen, some rights reserved (CC BY-NC), uploaded by David Andreas De Rivera Tønnessen
- 57. (c) Tim Shortell, some rights reserved (CC BY-NC), uploaded by Tim Shortell
- 58. (c) cwwood, some rights reserved (CC BY-SA), uploaded by cwwood
- 59. (c) cyric, some rights reserved (CC BY-NC-SA), uploaded by cyric
- 60. (c) Katja Schulz, some rights reserved (CC BY)
- 61. (c) Aditi, some rights reserved (CC BY-NC-SA)
- 62. (c) Celeste Ramsay, some rights reserved (CC BY-NC-ND)
- 63. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 64. (c) Lior Carlson, some rights reserved (CC BY-NC-ND), uploaded by Lior Carlson
- 65. (c) Emily Hjalmarson, some rights reserved (CC BY-NC), uploaded by Emily Hjalmarson
- 66. (c) Pedro Lucero T, some rights reserved (CC BY-NC), uploaded by Pedro Lucero T
- 67. (c) 104860852614073572279, some rights reserved (CC BY-NC-SA), uploaded by 104860852614073572279
- 68. (c) jackiebaum, some rights reserved (CC BY-NC), uploaded by jackiebaum
- 69. (c) CARLOS VELAZCO, some rights reserved (CC BY-NC), uploaded by CARLOS VELAZCO
- 70. (c) Benny Mazur, some rights reserved (CC BY)
- 71. (c) Erin McKiernan, some rights reserved (CC BY-NC-ND), uploaded by Erin McKiernan
- 72. (c) Patrick Dockens, some rights reserved (CC BY-NC-ND)
- 73. (c) Gilles Gonthier, some rights reserved (CC BY)
- 74. (c) John Davis, some rights reserved (CC BY-NC), uploaded by John Davis
- 75. (c) Bill Bouton, some rights reserved (CC BY-NC-SA)
- 76. (c) Matthew Drollinger, some rights reserved (CC BY-NC), uploaded by Matthew Drollinger
- 77. (c) Robert, some rights reserved (CC BY-NC)
- 78. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 79. (c) Drriss & Marrionn, some rights reserved (CC BY-NC-SA)
- 80. (c) dloarie, some rights reserved (CC BY), uploaded by dloarie
- 81. (c) Anne Toal, some rights reserved (CC BY)
- 82. (c) Aleta Rodriguez, some rights reserved (CC BY-NC-ND)
- 83. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 84. (c) Larry Meade, some rights reserved (CC BY-NC-SA)
- 85. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
- 86. (c) Biodiversity Institute, some rights reserved (CC BY-NC-ND)
- 87. (c) Kent McFarland, some rights reserved (CC BY-NC)
- 88. (c) Zac Cota, some rights reserved (CC BY-NC), uploaded by Zac Cota
- 89. (c) Bill Bumgarner, some rights reserved (CC BY-NC-ND)
- 90. (c) Alan Liang, some rights reserved (CC BY-NC), uploaded by Alan Liang
- 91. (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block
- 92. (c) Daniel George, some rights reserved (CC BY-NC), uploaded by Daniel George
- 93. (c) Chuck Sexton, some rights reserved (CC BY-NC), uploaded by Chuck Sexton
- 94. (c) Chris, some rights reserved (CC BY-NC), uploaded by Chris
- 95. (c) Joe McKenna, some rights reserved (CC BY)
- 96. (c) Tim Guida, some rights reserved (CC BY-NC), uploaded by Tim Guida
- 97. no rights reserved, uploaded by Kent McFarland
- 98. (c) Mary Keim, some rights reserved (CC BY-NC-SA)
- 99. (c) Eric Bronson, some rights reserved (CC BY-NC-ND)
- 100. (c) TexasEagle, some rights reserved (CC BY-NC)
- 101. (c) ktratboy, some rights reserved (CC BY-ND)
- 102. (c) lenoreatwood, some rights reserved (CC BY-NC)
- 103. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 104. (c) bob15noble, some rights reserved (CC BY-NC), uploaded by bob15noble
- 105. (c) Mark Rosenstein, some rights reserved (CC BY-NC-SA), uploaded by Mark Rosenstein
- 106. (c) ebrunquist, some rights reserved (CC BY-NC)
- 107. (c) Bob Danley, some rights reserved (CC BY-NC)
- 108. (c) pondhawk, some rights reserved (CC BY)
- 109. (c) Brad Smith, some rights reserved (CC BY-NC)
- 110. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 111. (c) Cook Cottage, some rights reserved (CC BY-NC-ND)
- 112. (c) Pacific Southwest Region U.S. Fish and Wildlife Service, some rights reserved (CC BY)
- 113. (c) Anne Reeves, some rights reserved (CC BY-ND)
- 114. (c) Cheryl Harleston López Espino, some rights reserved (CC BY-NC-ND), uploaded by Cheryl Harleston López Espino
- 115. (c) Jérôme Albre, some rights reserved (CC BY)
- 116. (c) Judith Ellen Lopez, some rights reserved (CC BY-NC)
- 117. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 118. (c) Jimmy Dee, some rights reserved (CC BY-SA), uploaded by Jimmy Dee
- 119. (c) Louis Shackleton, some rights reserved (CC BY-NC-SA)
- 120. (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar
- 121. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
- 122. (c) Mike V.A. Burrell, some rights reserved (CC BY-NC), uploaded by Mike V.A. Burrell
- 123. (c) Monica Krancevic, some rights reserved (CC BY-NC), uploaded by Monica Krancevic
- 124. (c) Mick Talbot, some rights reserved (CC BY-NC), uploaded by Mick Talbot
- 125. (c) Dick, some rights reserved (CC BY-NC-SA)
- 126. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 127. (c) adriscoll, some rights reserved (CC BY-NC), uploaded by adriscoll
- 128. (c) Colin Croft, some rights reserved (CC BY), uploaded by Colin Croft
- 129. (c) Mark D. Read, some rights reserved (CC BY-NC), uploaded by Mark D. Read
- 130. (c) paul_dennehy, some rights reserved (CC BY-NC), uploaded by paul_dennehy
- 131. (c) Diana-Terry Hibbitts, some rights reserved (CC BY-NC), uploaded by Diana-Terry Hibbitts
- 132. (c) Benjamin Schwartz, some rights reserved (CC BY-NC), uploaded by Benjamin Schwartz
- 133. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
- 134. (c) Anita363, some rights reserved (CC BY-NC)
- 135. (c) upupamartin, some rights reserved (CC BY-NC-ND), uploaded by upupamartin
- 136. (c) Robert J. "Bob" Nuelle, Jr. AICEZS, some rights reserved (CC BY-NC), uploaded by Robert J. "Bob" Nuelle, Jr. AICEZS
- 137. (c) Sam Kieschnick, some rights reserved (CC BY), uploaded by Sam Kieschnick
- 138. (c) Michelle Dyer, some rights reserved (CC BY-NC-SA)
- 139. (c) B. Christian Schmidt, some rights reserved (CC BY)
- 140. (c) Fernando Valentinez, some rights reserved (CC BY-NC), uploaded by Fernando Valentinez
- 141. (c) Ronald Parry, some rights reserved (CC BY-NC), uploaded by Ronald Parry
- 142. (c) Andy Reago & Chrissy McClarren, some rights reserved (CC BY)
- 143. (c) Dan Serpiello, some rights reserved (CC BY-NC), uploaded by Dan Serpiello
- 144. (c) Rick Ballard, some rights reserved (CC BY-NC), uploaded by Rick Ballard
- 145. (c) Fyn Kynd, some rights reserved (CC BY)
- 146. (c) Andrew Block, some rights reserved (CC BY-NC), uploaded by Andrew Block
- 147. Sir GEORGE F. HAMPSON, Bart., no known copyright restrictions (public domain)
- 148. (c) Steve Taylor, some rights reserved (CC BY), uploaded by Steve Taylor
- 149. (c) Royal Tyler, some rights reserved (CC BY-NC-SA)
- 150. (c) C. Mallory, some rights reserved (CC BY-NC), uploaded by C. Mallory
- 151. (c) jen_in_colorado, some rights reserved (CC BY-NC), uploaded by jen_in_colorado
- 152. (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist
- 153. (c) Ben Sale, some rights reserved (CC BY)
- 154. (c) Scott Gilmore, some rights reserved (CC BY-NC), uploaded by Scott Gilmore
- 155. (c) bradensing, some rights reserved (CC BY-NC), uploaded by bradensing
- 156. (c) BJ Stacey, some rights reserved (CC BY-NC), uploaded by BJ Stacey
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