Photos:
- 1. (c) Donna Fernstrom, some rights reserved (CC BY), uploaded by Donna Fernstrom
- 2. (c) Rob Van Epps, some rights reserved (CC BY-NC), uploaded by Rob Van Epps
- 3. (c) copepodo, some rights reserved (CC BY-NC-ND)
- 4. (c) Stylurus, some rights reserved (CC BY-NC-ND)
- 5. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
- 6. (c) johnwilliams, some rights reserved (CC BY-NC), uploaded by johnwilliams
- 7. (c) Tony Iwane, some rights reserved (CC BY-NC), uploaded by Tony Iwane
- 8. (c) Richard Droker, some rights reserved (CC BY-NC-ND)
- 9. (c) Franco Folini, some rights reserved (CC BY)
- 10. (c) Judith Ellen Lopez, some rights reserved (CC BY-NC), uploaded by Judith Ellen Lopez
- 11. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 12. (c) Bill Lupardus, some rights reserved (CC BY-NC), uploaded by Bill Lupardus
- 13. (c) Chris Harrison, some rights reserved (CC BY-NC), uploaded by Chris Harrison
- 14. (c) Alan Wolf, some rights reserved (CC BY-NC-ND), uploaded by Alan Wolf
- 15. (c) J. Maughn, some rights reserved (CC BY-NC), uploaded by J. Maughn
- 16. (c) squamatologist, some rights reserved (CC BY-NC-ND)
- 17. (c) Andrew DuBois, some rights reserved (CC BY-NC)
- 18. (c) Melissa McMasters, some rights reserved (CC BY)
- 19. (c) Doug Greenberg, some rights reserved (CC BY-NC-ND)
- 20. (c) Minette Layne, some rights reserved (CC BY-NC)
- 21. (c) Jim Frazier, some rights reserved (CC BY-NC-ND)
- 22. (c) Mike Leveille, some rights reserved (CC BY-NC), uploaded by Mike Leveille
- 23. (c) Gavan Watson, some rights reserved (CC BY-NC-SA)
- 24. (c) Erin and Lance Willett, some rights reserved (CC BY-NC-ND)
- 25. (c) dominic sherony, some rights reserved (CC BY-SA)
- 26. (c) Jack Wolf, some rights reserved (CC BY-ND)
- 27. (c) Minette, some rights reserved (CC BY-NC)
- 28. (c) Rick Leche, some rights reserved (CC BY-NC-ND)
- 29. (c) Peter Trimming, some rights reserved (CC BY)
- 30. (c) Rick Leche - Photography, some rights reserved (CC BY-NC-ND)
- 31. (c) Rudo JureÄek, some rights reserved (CC BY-NC-SA)
- 32. (c) Mike Pennington, some rights reserved (CC BY-SA)
- 33. (c) tnewman, some rights reserved (CC BY-NC)
- 34. (c) Vincent Scheidt, some rights reserved (CC BY-NC), uploaded by Vincent Scheidt
- 35. (c) Mike Baird, some rights reserved (CC BY)
- 36. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 37. (c) Aaron Heinsman, some rights reserved (CC BY-NC), uploaded by Aaron Heinsman
- 38. (c) http://www.birdphotos.com, some rights reserved (CC BY)
- 39. (c) Larry Meade, some rights reserved (CC BY-NC-SA)
- 40. (c) David Baron, some rights reserved (CC BY-SA)
- 41. (c) Anthonut, some rights reserved (CC BY-NC)
- 42. (c) Karunakar Rayker, some rights reserved (CC BY)
- 43. (c) Wayne Dumbleton, some rights reserved (CC BY-NC-SA)
- 44. (c) Allan Hack, some rights reserved (CC BY-ND)
- 45. (c) ian wetton, some rights reserved (CC BY-NC-ND)
- 46. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 47. (c) Nick Chill, some rights reserved (CC BY-NC-SA)
- 48. (c) Kakalotli, some rights reserved (CC BY-NC), uploaded by Kakalotli
- 49. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 50. (c) Gregory "Slobirdr" Smith, some rights reserved (CC BY-SA)
- 51. (c) Mike V.A. Burrell, some rights reserved (CC BY-NC), uploaded by Mike V.A. Burrell
- 52. (c) Kenneth Cole Schneider, some rights reserved (CC BY-NC-SA)
- 53. (c) Jack Wolf, some rights reserved (CC BY-NC-ND)
- 54. (c) Pierre-Selim, some rights reserved (CC BY-SA)
- 55. (c) docentjoyce, some rights reserved (CC BY)
- 56. (c) Gary Ashley, some rights reserved (CC BY-NC)
- 57. (c) Cullen Hanks, some rights reserved (CC BY-NC), uploaded by Cullen Hanks
- 58. (c) Bob, some rights reserved (CC BY-NC-ND)
- 59. (c) Stewart Ho, some rights reserved (CC BY-NC-ND)
- 60. (c) C.V. Vick, some rights reserved (CC BY-NC-ND)
- 61. (c) Len Blumin, some rights reserved (CC BY)
- 62. (c) Linda Tanner, some rights reserved (CC BY)
- 63. (c) TexasEagle, some rights reserved (CC BY-NC)
- 64. (c) Agustín Povedano, some rights reserved (CC BY-NC-SA)
- 65. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 66. (c) dlbowls, some rights reserved (CC BY-NC), uploaded by dlbowls
- 67. (c) Jesus cortes, some rights reserved (CC BY-NC), uploaded by Jesus cortes
- 68. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 69. (c) Bryant Olsen, some rights reserved (CC BY-NC)
- 70. (c) Dave McMullen, some rights reserved (CC BY-NC-SA)
- 71. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 72. (c) Andrew Reding, some rights reserved (CC BY-NC-ND)
- 73. (c) Rick Snider, some rights reserved (CC BY-NC), uploaded by Rick Snider
- 74. (c) Michael Woodruff, some rights reserved (CC BY)
- 75. (c) Rafael Rodríguez Brito, some rights reserved (CC BY-NC), uploaded by Rafael Rodríguez Brito
- 76. (c) Luciano Giussani, some rights reserved (CC BY-NC-SA)
- 77. (c) Dan Dzurisin, some rights reserved (CC BY-NC-ND)
- 78. (c) dnydick, some rights reserved (CC BY-NC), uploaded by dnydick
- 79. (c) Chris Rohrer, some rights reserved (CC BY-NC), uploaded by Chris Rohrer
- 80. (c) Rick Leche, some rights reserved (CC BY-NC)
- 81. (c) Mark Kilner, some rights reserved (CC BY-NC-SA)
- 82. (c) Charles Lam, some rights reserved (CC BY-SA)
- 83. (c) Robert Keereweer, some rights reserved (CC BY-NC)
- 84. (c) MPF, some rights reserved (CC BY-SA)
- 85. Menke, Dave, no known copyright restrictions (public domain)
- 86. (c) Anita, some rights reserved (CC BY-NC)
- 87. (c) Christian Artuso, some rights reserved (CC BY-NC-ND), uploaded by Christian Artuso
- 88. (c) Paul Sullivan, some rights reserved (CC BY-ND)
- 89. (c) Shell Kinney, some rights reserved (CC BY)
- 90. anonymous, no known copyright restrictions (public domain)
- 91. (c) brendan.lally, some rights reserved (CC BY)
- 92. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 93. (c) Henry T. McLin, some rights reserved (CC BY-NC-ND)
- 94. (c) andrewdawes07, some rights reserved (CC BY-NC)
- 95. (c) Peter Kaminski, some rights reserved (CC BY)
- 96. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 97. (c) andyps, some rights reserved (CC BY-NC-ND), uploaded by andyps
- 98. (c) kathawk, some rights reserved (CC BY-NC), uploaded by kathawk
- 99. (c) Daniel Dorantes, some rights reserved (CC BY-NC), uploaded by Daniel Dorantes
- 100. (c) Rick Leche - Photography, some rights reserved (CC BY-NC)
- 101. (c) rbbrummitt, some rights reserved (CC BY-NC), uploaded by rbbrummitt
- 102. (c) matlacha, some rights reserved (CC BY-NC-SA)
- 103. (c) Mdf, some rights reserved (CC BY-SA)
- 104. (c) Shanthanu Bhardwaj, some rights reserved (CC BY-SA)
- 105. (c) Steve Daniels, some rights reserved (CC BY-NC), uploaded by Steve Daniels
- 106. (c) Jose Sousa, some rights reserved (CC BY-NC-ND)
- 107. (c) Eric Isley, some rights reserved (CC BY-NC), uploaded by Eric Isley
- 108. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 109. (c) Maris Pukitis, some rights reserved (CC BY-NC-SA)
- 110. (c) dloarie, some rights reserved (CC BY), uploaded by dloarie
- 111. (c) realworldracingphotog, some rights reserved (CC BY-NC-ND)
- 112. (c) Ron Knight, some rights reserved (CC BY)
- 113. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 114. (c) peterichman, some rights reserved (CC BY)
- 115. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
- 116. (c) Eric Heupel, some rights reserved (CC BY-NC)
- 117. (c) Jenn Megyesi, some rights reserved (CC BY-NC), uploaded by Jenn Megyesi
- 118. (c) Alejandro Bayer Tamayo, some rights reserved (CC BY-SA)
- 119. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 120. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 121. (c) Dan Pancamo, some rights reserved (CC BY-SA)
- 122. (c) Minette Layne, some rights reserved (CC BY-SA)
- 123. (c) Paul Roberts, some rights reserved (CC BY-NC)
- 124. (c) Robin Horn, some rights reserved (CC BY-NC-ND)
- 125. (c) Jen Goellnitz, some rights reserved (CC BY-NC-ND)
- 126. (c) Kelly Colgan Azar, some rights reserved (CC BY-ND)
- 127. (c) Vitaliy Khustochka, some rights reserved (CC BY-NC)
- 128. (c) Yathin, some rights reserved (CC BY-NC-ND)
- 129. (c) sarbhloh, some rights reserved (CC BY-NC-ND)
- 130. (c) John Karges, some rights reserved (CC BY-NC), uploaded by John Karges
- 131. (c) Maggie.Smith, some rights reserved (CC BY-NC)
- 132. (c) Tom Benson, some rights reserved (CC BY-NC-ND)
- 133. (c) Flatbush Gardener, some rights reserved (CC BY-NC-ND)
- 134. (c) Rafy Rodriguez, some rights reserved (CC BY-NC-SA)
- 135. (c) Derek Bakken, some rights reserved (CC BY)
- 136. (c) Derek Scott, some rights reserved (CC BY-NC)
- 137. (c) Andy Jones, some rights reserved (CC BY-NC)
- 138. (c) Steven Bach, some rights reserved (CC BY-NC-SA), uploaded by Steven Bach
- 139. (c) Laura Gooch, some rights reserved (CC BY-NC-SA)
- 140. (c) matt knoth, some rights reserved (CC BY-NC-ND)
- 141. (c) Bill Carrell, some rights reserved (CC BY-NC-ND), uploaded by Bill Carrell
- 142. (c) 106584015630019574849, some rights reserved (CC BY-NC-SA), uploaded by 106584015630019574849
- 143. (c) Michael D Fox, some rights reserved (CC BY), uploaded by Michael D Fox
- 144. (c) Howard Friedman, some rights reserved (CC BY-NC), uploaded by Howard Friedman
- 145. (c) andriy, some rights reserved (CC BY-NC), uploaded by andriy
- 146. (c) Anita Gould, some rights reserved (CC BY-NC)
- 147. (c) Theresa Bayoud, all rights reserved, uploaded by Theresa Bayoud
- 148. (c) Ralf Nowak, some rights reserved (CC BY-NC-SA)
- 149. (c) Kai Schreiber, some rights reserved (CC BY-NC-SA)
- 150. (c) Vitalii Khustochka, some rights reserved (CC BY-NC)
- 151. (c) K Schneider, some rights reserved (CC BY-NC)
- 152. (c) Martha de Jong-Lantink, some rights reserved (CC BY-NC-ND)
- 153. (c) Becky Gregory, some rights reserved (CC BY-ND)
- 154. (c) Glen Peterson, some rights reserved (CC BY-NC-SA)
- 155. (c) Jean-Guy Dallaire, some rights reserved (CC BY-NC-ND)
- 156. (c) Tim Harding, some rights reserved (CC BY-NC-ND)
- 157. (c) Victor W Fazio III, some rights reserved (CC BY-NC-ND), uploaded by Victor W Fazio III
- 158. (c) JerryFriedman, some rights reserved (CC BY-SA)
- 159. (c) Pablo Lèautaud, some rights reserved (CC BY-NC-ND)
- 160. (c) Mickey Long, some rights reserved (CC BY-NC), uploaded by Mickey Long
- 161. (c) Michael, some rights reserved (CC BY-NC-SA)
- 162. (c) Pablo Lèautaud, some rights reserved (CC BY-NC-ND), uploaded by Pablo Lèautaud
- 163. (c) Howard Cheng, some rights reserved (CC BY-SA)
- 164. (c) Judith Ellen Lopez, some rights reserved (CC BY-NC)
- 165. (c) Kevin Metcalf, some rights reserved (CC BY-NC), uploaded by Kevin Metcalf
- 166. (c) Anders Illum, some rights reserved (CC BY-NC-ND)
- 167. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
- 168. (c) Andrew Hollander, some rights reserved (CC BY-NC-SA)
- 169. (c) Sam Kieschnick, some rights reserved (CC BY), uploaded by Sam Kieschnick
- 170. (c) Nathan Velasco, some rights reserved (CC BY-NC-SA), uploaded by Nathan Velasco
- 171. (c) Danny Barron, some rights reserved (CC BY-NC-ND)
- 172. (c) Davide, some rights reserved (CC BY-SA)
- 173. Rocky Mountain National Park, no known copyright restrictions (public domain)
- 174. (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 175. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 176. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 177. (c) sohzendeh, some rights reserved (CC BY-NC-SA), uploaded by sohzendeh
- 178. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 179. (c)
mandj98, some rights reserved (CC BY)
- 180. Kaldari, no known copyright restrictions (public domain)
- 181. (c) adamdv18, some rights reserved (CC BY-NC)
- 182. (c) Juan Cruzado, some rights reserved (CC BY-SA), uploaded by Juan Cruzado
- 183. (c) Keaton Wilson, some rights reserved (CC BY)
- 184. (c) MaryEllen and Paul, some rights reserved (CC BY-NC)
- 185. (c) Bryan Hamilton, some rights reserved (CC BY-NC), uploaded by Bryan Hamilton
- 186. (c) unquenchable.fire, some rights reserved (CC BY-NC-ND)
- 187. (c) SMBishop, some rights reserved (CC BY-SA)
- 188. (c) Tanya Dewey, Animal Diversity Web, some rights reserved (CC BY-NC-SA)
- 189. (c) Jennifer Krauel, some rights reserved (CC BY-NC-ND)
- 190. (c) Michael Webber, some rights reserved (CC BY-NC-SA)
- 191. (c) Amelia Ryan, some rights reserved (CC BY-NC), uploaded by Amelia Ryan
- 192. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 193. (c) Nate Swick, some rights reserved (CC BY-NC), uploaded by Nate Swick
- 194. (c) anonymous, some rights reserved (CC BY-NC)
- 195. (c) Scott Bowers, some rights reserved (CC BY-NC)
- 196. (c) Bernard Foy, some rights reserved (CC BY-NC), uploaded by Bernard Foy
- 197. (c) Valerie, some rights reserved (CC BY-NC-ND)
- 198. (c) pike JO, some rights reserved (CC BY)
- 199. (c) James Marvin Phelps, some rights reserved (CC BY-NC)
- 200. (c) Jeremy Yoder, some rights reserved (CC BY-NC)
- 201. (c) Tanner Senti, some rights reserved (CC BY-NC), uploaded by Tanner Senti
- 202. (c) Marshal Hedin, some rights reserved (CC BY-NC-SA), uploaded by Marshal Hedin
- 203. (c) Judy Gallagher, some rights reserved (CC BY)
- 204. (c) Bill Bouton, some rights reserved (CC BY-NC-SA)
- 205. (c) Aleta Rodriguez, some rights reserved (CC BY-NC-ND)
- 206. (c) Anne Reeves, some rights reserved (CC BY-ND)
- 207. (c) Ken Slade, some rights reserved (CC BY-NC)
- 208. (c) Oregon Department of Agriculture, some rights reserved (CC BY-NC-ND)
- 209. (c) Even Dankowicz, some rights reserved (CC BY), uploaded by Even Dankowicz
- 210. (c) BJ Stacey, some rights reserved (CC BY-NC), uploaded by BJ Stacey
- 211. (c) IronChris, some rights reserved (CC BY-SA)
- 212. no rights reserved, uploaded by Jesse Rorabaugh
- 213. (c) Katja Schulz, some rights reserved (CC BY)
- 214. (c) C. Mallory, some rights reserved (CC BY-NC), uploaded by C. Mallory
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