Photos:
- 1. (c) Donna Fernstrom, some rights reserved (CC BY), uploaded by Donna Fernstrom
- 2. (c) johnwilliams, some rights reserved (CC BY-NC), uploaded by johnwilliams
- 3. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 4. (c) James Maughn, some rights reserved (CC BY-NC), uploaded by James Maughn
- 5. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
- 6. (c) Josh Vandermeulen, some rights reserved (CC BY-NC-ND), uploaded by Josh Vandermeulen
- 7. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
- 8. (c) tom spinker, some rights reserved (CC BY-NC-ND)
- 9. (c) squamatologist, some rights reserved (CC BY-NC-ND)
- 10. (c) Andrew DuBois, some rights reserved (CC BY-NC)
- 11. (c) bobbyfingers, some rights reserved (CC BY-NC), uploaded by bobbyfingers
- 12. (c) CK Kelly, some rights reserved (CC BY), uploaded by CK Kelly
- 13. (c) USFWS Mountain-Prairie, some rights reserved (CC BY)
- 14. (c) Adrienne McLeod, some rights reserved (CC BY-NC), uploaded by Adrienne McLeod
- 15. Dewhurst, Donna, no known copyright restrictions (public domain)
- 16. (c) Kevin Metcalf, some rights reserved (CC BY-NC), uploaded by Kevin Metcalf
- 17. (c) Bob Hislop, some rights reserved (CC BY-NC), uploaded by Bob Hislop
- 18. (c) Minette, some rights reserved (CC BY-NC)
- 19. (c) Kenneth Bader, some rights reserved (CC BY-NC), uploaded by Kenneth Bader
- 20. (c) Danny Barron, some rights reserved (CC BY-NC-ND)
- 21. (c) Mr.TinDC, some rights reserved (CC BY-NC-ND)
- 22. Rocky Mountain National Park, no known copyright restrictions (public domain)
- 23. James Gathany, no known copyright restrictions (public domain)
- 24. (c) thaths, some rights reserved (CC BY-NC)
- 25. (c) Cary Bass-Deschenes, some rights reserved (CC BY-SA)
- 26. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 27. (c) Juan Cruzado, some rights reserved (CC BY-SA), uploaded by Juan Cruzado
- 28. (c) SMBishop, some rights reserved (CC BY-SA)
- 29. (c) Bryan Hamilton, some rights reserved (CC BY-NC), uploaded by Bryan Hamilton
- 30. (c) unquenchable.fire, some rights reserved (CC BY-NC-ND)
- 31. (c) Tanya Dewey, some rights reserved (CC BY-NC-SA)
- 32. (c) Michael Webber, some rights reserved (CC BY-NC-SA)
- 33. (c) Dan Irizarry, some rights reserved (CC BY-NC-SA)
- 34. (c) Lee Hoy, some rights reserved (CC BY-NC-ND), uploaded by Lee Hoy
- 35. (c) anonymous, some rights reserved (CC BY-NC)
- 36. (c) Bernard Foy, some rights reserved (CC BY-NC), uploaded by Bernard Foy
- 37. (c) Valerie, some rights reserved (CC BY-NC-ND)
- 38. (c) Yathin, some rights reserved (CC BY-NC-ND)
- 39. (c) pike JO, some rights reserved (CC BY)
- 40. (c) Jeremy Yoder, some rights reserved (CC BY-NC)
- 41. (c) Tanner Senti, some rights reserved (CC BY-NC), uploaded by Tanner Senti
- 42. (c) Aaron Gustafson, some rights reserved (CC BY-SA)
- 43. (c) Brian Yap (葉), some rights reserved (CC BY-NC)
- 44. (c) Marrabbio2, some rights reserved (GFDL)
- 45. U.S. Fish and Wildlife Service, no known copyright restrictions (public domain)
- 46. anonymous, no known copyright restrictions (public domain)
- 47. (c) James Dowling-Healey, some rights reserved (CC BY-NC-SA)
- 48. (c) Biopix, some rights reserved (CC BY-NC)
- 49. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 50. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 51. (c) Mews, some rights reserved (CC BY-NC), uploaded by Mews
- 52. (c) Donald Hobern, some rights reserved (CC BY)
- 53. (c) Gilles San Martin, some rights reserved (CC BY-SA)
- 54. (c) Scott King, some rights reserved (CC BY-NC)
- 55. (c) Peter Prehn, some rights reserved (CC BY-NC-ND)
- 56. (c) Franco Folini, some rights reserved (CC BY)
- 57. (c) Jacob Bell, some rights reserved (CC BY-NC), uploaded by Jacob Bell
- 58. (c) Jason Forbes, some rights reserved (CC BY-NC-ND)
- 59. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 60. (c) roy pilcher, some rights reserved (CC BY-NC), uploaded by roy pilcher
- 61. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 62. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 63. (c) David Andreas De Rivera Tønnessen, some rights reserved (CC BY-NC), uploaded by David Andreas De Rivera Tønnessen
- 64. (c) Robb Hannawacker, some rights reserved (CC BY-NC-SA)
- 65. (c) Bill Bouton, some rights reserved (CC BY-NC-ND)
- 66. (c) jackiebaum, some rights reserved (CC BY-NC), uploaded by jackiebaum
- 67. (c) JerryFriedman, some rights reserved (CC BY-SA)
- 68. (c) Sam McNally, some rights reserved (CC BY-NC), uploaded by Sam McNally
- 69. (c) Gilles Gonthier, some rights reserved (CC BY)
- 70. (c) Bill Bouton, some rights reserved (CC BY-NC-SA)
- 71. (c) Matthew Poole, some rights reserved (CC BY-NC), uploaded by Matthew Poole
- 72. (c) Drriss & Marrionn, some rights reserved (CC BY-NC-SA)
- 73. no rights reserved, uploaded by Anna N Chapman
- 74. (c) Aleta Rodriguez, some rights reserved (CC BY-NC-ND)
- 75. (c) Paul G. Johnson, some rights reserved (CC BY-NC-SA), uploaded by Paul G. Johnson
- 76. (c) Zac Cota, some rights reserved (CC BY-NC), uploaded by Zac Cota
- 77. (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block
- 78. (c) Paul Bedell, some rights reserved (CC BY-NC-SA)
- 79. (c) Catherine Cook, some rights reserved (CC BY-NC-ND)
- 80. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 81. (c) Kristian Peters, some rights reserved (CC BY-NC-SA)
- 82. (c) Ken Slade, some rights reserved (CC BY-NC)
- 83. (c) Matt Flower, some rights reserved (CC BY-NC), uploaded by Matt Flower
- 84. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 85. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 86. (c) christian_nunes, some rights reserved (CC BY-NC), uploaded by christian_nunes
- 87. (c) pondhawk, some rights reserved (CC BY)
- 88. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 89. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
- 90. (c) Ira Baline, some rights reserved (CC BY-NC), uploaded by Ira Baline
- 91. (c) Eran Finkle, some rights reserved (CC BY)
- 92. (c) bradensing, some rights reserved (CC BY-NC), uploaded by bradensing
- 93. (c) Jim Johnson, some rights reserved (CC BY-NC-ND), uploaded by Jim Johnson
- 94. (c) Ash, some rights reserved (CC BY-NC-SA)
- 95. (c) Alan Wells, some rights reserved (CC BY-NC), uploaded by Alan Wells
- 96. (c) Bill Keim, some rights reserved (CC BY)
- 97. (c) bob15noble, some rights reserved (CC BY-NC), uploaded by bob15noble
- 98. (c) Steve Wells, some rights reserved (CC BY-NC), uploaded by Steve Wells
- 99. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 100. (c) Pete Nesterenko, some rights reserved (CC BY-NC), uploaded by Pete Nesterenko
- 101. (c) Oregon Department of Agriculture, some rights reserved (CC BY-NC-ND)
- 102. (c) USGS Bee Inventory and Monitoring Lab, some rights reserved (CC BY)
- 103. (c) Erika Mitchell, some rights reserved (CC BY-NC), uploaded by Erika Mitchell
- 104. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 105. (c) Didier Descouens, some rights reserved (CC BY-SA)
- 106. (c) Don Loarie, some rights reserved (CC BY)
- 107. (c) cynthiasaleh, some rights reserved (CC BY-NC)
- 108. (c) A. Jaszlics, some rights reserved (CC BY-NC)
- 109. (c) Belinda Lo, some rights reserved (CC BY-NC-SA)
- 110. (c) cory_silas_sheffield, some rights reserved (CC BY-NC), uploaded by cory_silas_sheffield
- 111. (c) Tony Iwane, some rights reserved (CC BY-NC), uploaded by Tony Iwane
- 112. (c) Katja Schulz, some rights reserved (CC BY)
- 113. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 114. (c) Bridget Spencer, some rights reserved (CC BY-NC), uploaded by Bridget Spencer
- 115. (c) a_cuell, some rights reserved (CC BY-NC), uploaded by a_cuell
- 116. (c) Shamil Murtazin, some rights reserved (CC BY-NC), uploaded by Shamil Murtazin
- 117. (c) Francisco Acosta, some rights reserved (CC BY-NC), uploaded by Francisco Acosta
- 118. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 119. (c) Jason King, some rights reserved (CC BY-NC), uploaded by Jason King
- 120. (c) Jesse Varner, some rights reserved (CC BY-NC-SA)
- 121. (c) Lon&Queta, some rights reserved (CC BY-NC-SA)
- 122. (c) Anthony Zukoff, some rights reserved (CC BY-NC-SA)
- 123. (c) K Schneider, some rights reserved (CC BY-NC), uploaded by K Schneider
- 124. (c) adriscoll, some rights reserved (CC BY-NC), uploaded by adriscoll
- 125. no rights reserved, uploaded by Jesse Rorabaugh
- 126. (c) Mick Talbot, some rights reserved (CC BY-NC-SA)
- 127. (c) Brooke Sheridan, all rights reserved, uploaded by Brooke Sheridan
- 128. (c) klips, some rights reserved (CC BY-NC)
- 129. (c) Cameron Eckert, some rights reserved (CC BY-NC), uploaded by Cameron Eckert
- 130. (c) Steve Berardi, some rights reserved (CC BY-SA)
- 131. (c) Bryan, some rights reserved (CC BY-NC), uploaded by Bryan
- 132. (c) Marcello Consolo, some rights reserved (CC BY-NC-SA)
- 133. (c) Gordon Karre, some rights reserved (CC BY-NC), uploaded by Gordon Karre
- 134. (c) Joe Walewski, some rights reserved (CC BY-NC), uploaded by Joe Walewski
- 135. (c) Judy Gallagher, some rights reserved (CC BY), uploaded by Judy Gallagher
- 136. (c) Ryszard, some rights reserved (CC BY-NC)
- 137. (c) Joe Bartok, some rights reserved (CC BY-NC), uploaded by Joe Bartok
- 138. (c) Gilles San Martin, some rights reserved (CC BY-SA), uploaded by Gilles San Martin
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