Photos:
- 1. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
- 2. (c) Stylurus, some rights reserved (CC BY-NC-ND)
- 3. (c) Richard Droker, some rights reserved (CC BY-NC-ND)
- 4. (c) Franco Folini, some rights reserved (CC BY)
- 5. (c) Kerry Matz, some rights reserved (CC BY-NC-SA)
- 6. (c) S Reilly, some rights reserved (CC BY-NC-ND)
- 7. (c) squamatologist, some rights reserved (CC BY-NC-ND)
- 8. (c) Mark Peck, some rights reserved (CC BY-NC-SA)
- 9. (c) Gavan Watson, some rights reserved (CC BY-NC-SA)
- 10. (c) Minette Layne, some rights reserved (CC BY-NC)
- 11. (c) Jim Frazier, some rights reserved (CC BY-NC-ND)
- 12. (c) dominic sherony, some rights reserved (CC BY-SA)
- 13. (c) Minette, some rights reserved (CC BY-NC)
- 14. (c) Rick Leche - Photography, some rights reserved (CC BY-NC-ND)
- 15. (c) Vincent Scheidt, some rights reserved (CC BY-NC), uploaded by Vincent Scheidt
- 16. (c) Jack Wolf, some rights reserved (CC BY-ND)
- 17. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 18. (c) Larry Meade, some rights reserved (CC BY-NC-SA)
- 19. (c) David Baron, some rights reserved (CC BY-SA)
- 20. (c) Per Verdonk, some rights reserved (CC BY-NC)
- 21. (c) Allan Hack, some rights reserved (CC BY-ND)
- 22. (c) Kakalotli, some rights reserved (CC BY-NC), uploaded by Kakalotli
- 23. (c) Agustín Povedano, some rights reserved (CC BY-NC-SA)
- 24. (c) Kenneth Cole Schneider, some rights reserved (CC BY-NC-SA)
- 25. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 26. (c) Gary Ashley, some rights reserved (CC BY-NC)
- 27. (c) Cullen Hanks, some rights reserved (CC BY-NC), uploaded by Cullen Hanks
- 28. (c) Stewart Ho, some rights reserved (CC BY-NC-ND)
- 29. (c) C.V. Vick, some rights reserved (CC BY-NC-ND)
- 30. (c) Mike Baird, some rights reserved (CC BY)
- 31. (c) Len Blumin, some rights reserved (CC BY)
- 32. (c) Linda Tanner, some rights reserved (CC BY)
- 33. (c) Nick Chill, some rights reserved (CC BY-NC-SA)
- 34. (c) Jesus cortes, some rights reserved (CC BY-NC), uploaded by Jesus cortes
- 35. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 36. (c) Dave McMullen, some rights reserved (CC BY-NC-SA)
- 37. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 38. (c) Andrew Reding, some rights reserved (CC BY-NC-ND)
- 39. (c) Rick Snider, some rights reserved (CC BY-NC), uploaded by Rick Snider
- 40. (c) Rick Leche, some rights reserved (CC BY-NC-ND)
- 41. (c) Luciano Giussani, some rights reserved (CC BY-NC-SA)
- 42. (c) Dan Dzurisin, some rights reserved (CC BY-NC-ND)
- 43. (c) Rick Leche, some rights reserved (CC BY-NC)
- 44. (c) Mark Kilner, some rights reserved (CC BY-NC-SA)
- 45. (c) Charles Lam, some rights reserved (CC BY-SA)
- 46. (c) Doug Greenberg, some rights reserved (CC BY-NC-ND)
- 47. Menke, Dave, no known copyright restrictions (public domain)
- 48. (c) Paul Sullivan, some rights reserved (CC BY-ND)
- 49. (c) Shell Kinney, some rights reserved (CC BY)
- 50. (c) brendan.lally, some rights reserved (CC BY)
- 51. (c) Peter Kaminski, some rights reserved (CC BY)
- 52. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 53. (c) kathawk, some rights reserved (CC BY-NC), uploaded by kathawk
- 54. (c) Rick Leche - Photography, some rights reserved (CC BY-NC)
- 55. (c) matlacha, some rights reserved (CC BY-NC-SA)
- 56. (c) Steve Daniels, some rights reserved (CC BY-NC), uploaded by Steve Daniels
- 57. (c) Eric Isley, some rights reserved (CC BY-NC), uploaded by Eric Isley
- 58. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 59. (c) sean.cuill, some rights reserved (CC BY)
- 60. (c) dloarie, some rights reserved (CC BY), uploaded by dloarie
- 61. (c) Doug Greenberg, some rights reserved (CC BY-NC)
- 62. (c) Cephas, some rights reserved (CC BY-SA)
- 63. (c) Gonzalo Zepeda Martínez, some rights reserved (CC BY-SA), uploaded by Gonzalo Zepeda Martínez
- 64. (c) Mike Leveille, some rights reserved (CC BY-NC), uploaded by Mike Leveille
- 65. (c) Ross Millikan, some rights reserved (CC BY-NC), uploaded by Ross Millikan
- 66. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
- 67. (c) Eric Heupel, some rights reserved (CC BY-NC)
- 68. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 69. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 70. (c) Dan Pancamo, some rights reserved (CC BY-SA)
- 71. (c) Minette Layne, some rights reserved (CC BY-SA)
- 72. (c) Robin Horn, some rights reserved (CC BY-NC-ND)
- 73. (c) Vitaliy Khustochka, some rights reserved (CC BY-NC)
- 74. (c) Yathin, some rights reserved (CC BY-NC-ND)
- 75. (c) Henry T. McLin, some rights reserved (CC BY-NC-ND)
- 76. (c) Maggie.Smith, some rights reserved (CC BY-NC)
- 77. (c) Michael Woodruff, some rights reserved (CC BY)
- 78. (c) Kelly Colgan Azar, some rights reserved (CC BY-ND)
- 79. (c) K Schneider, some rights reserved (CC BY-NC)
- 80. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 81. (c) matt knoth, some rights reserved (CC BY-NC-ND)
- 82. (c) andriy, some rights reserved (CC BY-NC), uploaded by andriy
- 83. (c) Anita Gould, some rights reserved (CC BY-NC)
- 84. (c) Kai Schreiber, some rights reserved (CC BY-NC-SA)
- 85. (c) Becky Gregory, some rights reserved (CC BY-ND)
- 86. (c) Glen Peterson, some rights reserved (CC BY-NC-SA)
- 87. (c) Tim Harding, some rights reserved (CC BY-NC-ND)
- 88. (c) JerryFriedman, some rights reserved (CC BY-SA)
- 89. (c) Pablo Lèautaud, some rights reserved (CC BY-NC-ND)
- 90. (c) Michael, some rights reserved (CC BY-NC-SA)
- 91. (c) Howard Cheng, some rights reserved (CC BY-SA)
- 92. (c) Judith Ellen Lopez, some rights reserved (CC BY-NC)
- 93. (c) Anders Illum, some rights reserved (CC BY-NC-ND)
- 94. (c) Drew Avery, some rights reserved (CC BY), uploaded by Drew Avery
- 95. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 96. (c) Erin and Lance Willett, some rights reserved (CC BY-NC-ND)
- 97. (c) Kenneth Bader, some rights reserved (CC BY-NC), uploaded by Kenneth Bader
- 98. (c) Danny Barron, some rights reserved (CC BY-NC-ND)
- 99. (c) Davide, some rights reserved (CC BY-SA)
- 100. (c) J. Maughn, some rights reserved (CC BY-NC), uploaded by J. Maughn
- 101. (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 102. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 103. James Gathany, no known copyright restrictions (public domain)
- 104. (c) latraydean, some rights reserved (CC BY-NC)
- 105. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 106. (c) thaths, some rights reserved (CC BY-NC)
- 107. (c) docentjoyce, some rights reserved (CC BY)
- 108. (c) adamdv18, some rights reserved (CC BY-NC)
- 109. (c) Juan Cruzado, some rights reserved (CC BY-SA), uploaded by Juan Cruzado
- 110. (c) unquenchable.fire, some rights reserved (CC BY-NC-ND)
- 111. (c) SMBishop, some rights reserved (CC BY-SA)
- 112. (c) delmer jonathan, some rights reserved (CC BY-NC), uploaded by delmer jonathan
- 113. (c) Amelia Ryan, some rights reserved (CC BY-NC), uploaded by Amelia Ryan
- 114. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 115. (c) Josh More, some rights reserved (CC BY-NC-ND)
- 116. (c) Nate Swick, some rights reserved (CC BY-NC), uploaded by Nate Swick
- 117. (c) anonymous, some rights reserved (CC BY-NC)
- 118. (c) Scott Bowers, some rights reserved (CC BY-NC)
- 119. (c) Bernard Foy, some rights reserved (CC BY-NC), uploaded by Bernard Foy
- 120. (c) Valerie, some rights reserved (CC BY-NC-ND)
- 121. (c) pike JO, some rights reserved (CC BY)
- 122. (c) Phil Myers, some rights reserved (CC BY-NC-SA)
- 123. (c) Jeremy Yoder, some rights reserved (CC BY-NC)
- 124. (c) Tanner Senti, some rights reserved (CC BY-NC), uploaded by Tanner Senti
- 125. (c) Phil's 1stPix, some rights reserved (CC BY-NC-SA)
- 126. (c) 종현, some rights reserved (CC BY-SA)
- 127. (c) Peter, some rights reserved (CC BY-NC-ND)
- 128. (c) RD, some rights reserved (CC BY-NC), uploaded by RD
- 129. (c) Aaron Gustafson, some rights reserved (CC BY-SA)
- 130. (c) Brian Yap (葉), some rights reserved (CC BY-NC)
- 131. (c) Marrabbio2, some rights reserved (GFDL)
- 132. (c) Cliff, some rights reserved (CC BY)
- 133. (c) Mike V.A. Burrell, some rights reserved (CC BY-NC), uploaded by Mike V.A. Burrell
- 134. (c) Marshal Hedin, some rights reserved (CC BY-NC-SA), uploaded by Marshal Hedin
- 135. (c) Jim Vargo at Moth Photographers Group, some rights reserved (CC BY-NC-SA)
- 136. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 137. (c) Robert Young, some rights reserved (CC BY)
- 138. (c) nolieschneider, some rights reserved (CC BY-NC), uploaded by nolieschneider
- 139. (c) Seabrooke Leckie, some rights reserved (CC BY-NC-ND)
- 140. (c) David Bygott, some rights reserved (CC BY-NC-SA)
- 141. (c) John Flannery, some rights reserved (CC BY-SA)
- 142. (c) Matt Reinbold, some rights reserved (CC BY-SA)
- 143. (c) Sean McCann, some rights reserved (CC BY-NC-SA)
- 144. (c) Alan Vernon, some rights reserved (CC BY)
- 145. (c) ktehmsen, some rights reserved (CC BY-NC)
- 146. (c) johnvillella, some rights reserved (CC BY-NC-SA)
- 147. (c) Steve L. Martin, some rights reserved (CC BY)
- 148. (c) Marcello Consolo, some rights reserved (CC BY-NC-SA)
- 149. (c) D. Gordon E. Robertson, some rights reserved (CC BY-SA)
- 150. (c) Peter Prehn, some rights reserved (CC BY-NC-ND)
- 151. (c) Jacob Bell, some rights reserved (CC BY-NC), uploaded by Jacob Bell
- 152. (c) brian lee clements, some rights reserved (CC BY-NC)
- 153. (c) cotinis, some rights reserved (CC BY-NC-SA)
- 154. (c) Brian Peterson, some rights reserved (CC BY-NC-ND)
- 155. (c) Jason Forbes, some rights reserved (CC BY-NC-ND)
- 156. (c) Catherine Cook, some rights reserved (CC BY-NC-ND)
- 157. (c) Robb Hannawacker, some rights reserved (CC BY-NC-SA)
- 158. (c) Bill Bouton, some rights reserved (CC BY-NC-ND)
- 159. (c) msr, some rights reserved (CC BY-NC), uploaded by msr
- 160. (c) Pam Piombino, some rights reserved (CC BY-NC), uploaded by Pam Piombino
- 161. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 162. (c) David Andreas De Rivera Tønnessen, some rights reserved (CC BY-NC), uploaded by David Andreas De Rivera Tønnessen
- 163. (c) cwwood, some rights reserved (CC BY-SA), uploaded by cwwood
- 164. (c) cyric, some rights reserved (CC BY-NC-SA), uploaded by cyric
- 165. (c) Katja Schulz, some rights reserved (CC BY)
- 166. (c) roy pilcher, some rights reserved (CC BY-NC), uploaded by roy pilcher
- 167. (c) Aditi, some rights reserved (CC BY-NC-SA)
- 168. (c) Biodiversity Institute, some rights reserved (CC BY-NC-ND)
- 169. (c) Jason Eckberg, some rights reserved (CC BY-NC), uploaded by Jason Eckberg
- 170. (c) Emily Hjalmarson, some rights reserved (CC BY-NC), uploaded by Emily Hjalmarson
- 171. (c) Benny Mazur, some rights reserved (CC BY)
- 172. (c) Patrick Dockens, some rights reserved (CC BY-NC-ND)
- 173. (c) DGERobertson, some rights reserved (CC BY-NC-SA)
- 174. (c) Gilles Gonthier, some rights reserved (CC BY)
- 175. (c) Jim P. Brock, some rights reserved (CC BY-NC-SA)
- 176. (c) Bill Bouton, some rights reserved (CC BY-NC-SA)
- 177. (c) Shanthanu Bhardwaj, some rights reserved (CC BY-SA)
- 178. no rights reserved, uploaded by Robb Hannawacker
- 179. (c) Matthew Drollinger, some rights reserved (CC BY-NC), uploaded by Matthew Drollinger
- 180. (c) Robert, some rights reserved (CC BY-NC)
- 181. (c) Drriss & Marrionn, some rights reserved (CC BY-NC-SA)
- 182. (c) Anne Toal, some rights reserved (CC BY)
- 183. (c) Aleta Rodriguez, some rights reserved (CC BY-NC-ND)
- 184. (c) Paul G. Johnson, some rights reserved (CC BY-NC-SA), uploaded by Paul G. Johnson
- 185. (c) Kent McFarland, some rights reserved (CC BY-NC)
- 186. (c) Zac Cota, some rights reserved (CC BY-NC), uploaded by Zac Cota
- 187. (c) Taji, some rights reserved (CC BY), uploaded by Taji
- 188. (c) Daniel George, some rights reserved (CC BY-NC), uploaded by Daniel George
- 189. (c) Paul Bedell, some rights reserved (CC BY-NC-SA)
- 190. (c) Chuck Sexton, some rights reserved (CC BY-NC), uploaded by Chuck Sexton
- 191. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 192. (c) Joe McKenna, some rights reserved (CC BY)
- 193. no rights reserved, uploaded by Kent McFarland
- 194. (c) Ken Slade, some rights reserved (CC BY-NC)
- 195. (c) TexasEagle, some rights reserved (CC BY-NC)
- 196. (c) fam-esquivel, some rights reserved (CC BY-NC)
- 197. (c) lenoreatwood, some rights reserved (CC BY-NC)
- 198. (c) bob15noble, some rights reserved (CC BY-NC), uploaded by bob15noble
- 199. (c) Mark Rosenstein, some rights reserved (CC BY-NC-SA), uploaded by Mark Rosenstein
- 200. (c) ebrunquist, some rights reserved (CC BY-NC)
- 201. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
- 202. (c) Brad Smith, some rights reserved (CC BY-NC)
- 203. (c) pondhawk, some rights reserved (CC BY)
- 204. (c) Pacific Southwest Region U.S. Fish and Wildlife Service, some rights reserved (CC BY)
- 205. (c) Anne Reeves, some rights reserved (CC BY-ND)
- 206. (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block
- 207. (c) Jérôme Albre, some rights reserved (CC BY)
- 208. (c) Lauren Smith, some rights reserved (CC BY-NC), uploaded by Lauren Smith
- 209. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 210. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 211. (c) Jimmy Dee, some rights reserved (CC BY-SA), uploaded by Jimmy Dee
- 212. (c) Louis Shackleton, some rights reserved (CC BY-NC-SA)
- 213. (c) Lon&Queta, some rights reserved (CC BY-NC-SA)
- 214. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 215. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 216. (c) Monica Krancevic, some rights reserved (CC BY-NC), uploaded by Monica Krancevic
- 217. (c) Steve Jurvetson, some rights reserved (CC BY)
- 218. (c) Dick, some rights reserved (CC BY-NC-SA)
- 219. (c) Jim Johnson, some rights reserved (CC BY-NC-ND), uploaded by Jim Johnson
- 220. (c) Dumi, some rights reserved (CC BY-SA)
- 221. (c) Diana-Terry Hibbitts, some rights reserved (CC BY-NC), uploaded by Diana-Terry Hibbitts
- 222. (c) Anita363, some rights reserved (CC BY-NC)
- 223. (c) Robert J. "Bob" Nuelle, Jr. AICEZS, some rights reserved (CC BY-NC), uploaded by Robert J. "Bob" Nuelle, Jr. AICEZS
- 224. (c) Michelle Dyer, some rights reserved (CC BY-NC-SA)
- 225. (c) Anita, some rights reserved (CC BY-NC-SA)
- 226. (c) Ilona L, some rights reserved (CC BY-NC-SA)
- 227. (c) Lori Owenby, some rights reserved (CC BY-NC), uploaded by Lori Owenby
- 228. (c) Rick Ballard, some rights reserved (CC BY-NC), uploaded by Rick Ballard
- 229. (c) C. Mallory, some rights reserved (CC BY-NC), uploaded by C. Mallory
- 230. (c) Fyn Kynd, some rights reserved (CC BY)
- 231. (c) dhobern, some rights reserved (CC BY)
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