Photos:
- 1. (c) Sam Wilson, some rights reserved (CC BY-NC), uploaded by Sam Wilson
- 2. (c) Marshal Hedin, some rights reserved (CC BY-NC-SA), uploaded by Marshal Hedin
- 3. (c) thegreenjay, some rights reserved (CC BY-NC), uploaded by thegreenjay
- 4. (c) Katja Schulz, some rights reserved (CC BY)
- 5. (c) Royal Tyler, some rights reserved (CC BY-NC-SA), uploaded by Royal Tyler
- 6. (c) Benny Mazur, some rights reserved (CC BY)
- 7. (c) K Schneider, some rights reserved (CC BY-NC), uploaded by K Schneider
- 8. (c) Buddy, some rights reserved (CC BY-NC), uploaded by Buddy
- 9. (c) latimeria-co, some rights reserved (CC BY-NC), uploaded by latimeria-co
- 10. (c) Don Loarie, some rights reserved (CC BY)
- 11. (c) Connor, some rights reserved (CC BY-NC), uploaded by Connor
- 12. (c) Jeff Skrentny, some rights reserved (CC BY-NC), uploaded by Jeff Skrentny
- 13. (c) David Bygott, some rights reserved (CC BY-NC-SA)
- 14. (c) Prairie_Pictures, some rights reserved (CC BY-NC-SA)
- 15. (c) Didier Descouens, some rights reserved (CC BY-SA)
- 16. (c) Kristi DuBois, some rights reserved (CC BY-NC), uploaded by Kristi DuBois
- 17. (c) Judy Gallagher, some rights reserved (CC BY)
- 18. (c) Marvin Smith, some rights reserved (CC BY-SA)
- 19. (c) Robert Young, some rights reserved (CC BY)
- 20. (c) Jim & Lynne Weber, some rights reserved (CC BY-NC), uploaded by Jim & Lynne Weber
- 21. (c) anonymous, some rights reserved (CC BY-SA)
- 22. (c) Jim Vargo at Moth Photographers Group, some rights reserved (CC BY-NC-SA)
- 23. (c) Seabrooke Leckie, some rights reserved (CC BY-NC-ND)
- 24. (c) Jim Johnson, some rights reserved (CC BY-NC-ND), uploaded by Jim Johnson
- 25. (c) Laura Gaudette, some rights reserved (CC BY), uploaded by Laura Gaudette
- 26. (c) Gordilly, some rights reserved (CC BY-NC-ND)
- 27. (c) Jason Sturner, some rights reserved (CC BY)
- 28. (c) John Flannery, some rights reserved (CC BY-SA)
- 29. (c) Angie Shyrigh, some rights reserved (CC BY-NC)
- 30. (c) Matt Reinbold, some rights reserved (CC BY-SA)
- 31. (c) ColoradEO, some rights reserved (CC BY-NC)
- 32. (c) Sean McCann, some rights reserved (CC BY-NC-SA)
- 33. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 34. (c) Anita, some rights reserved (CC BY-NC)
- 35. (c) johnvillella, some rights reserved (CC BY-NC-SA)
- 36. (c) Steve L. Martin, some rights reserved (CC BY)
- 37. (c) Marcello Consolo, some rights reserved (CC BY-NC-SA)
- 38. no rights reserved, uploaded by Robb Hannawacker
- 39. (c) Peter Prehn, some rights reserved (CC BY-NC-ND)
- 40. (c) Brian Peterson, some rights reserved (CC BY-NC-ND)
- 41. (c) Franco Folini, some rights reserved (CC BY)
- 42. (c) Ken Slade, some rights reserved (CC BY-NC)
- 43. (c) brian lee clements, some rights reserved (CC BY-NC)
- 44. (c) John Flannery, some rights reserved (CC BY-ND)
- 45. (c) cotinis, some rights reserved (CC BY-NC-SA)
- 46. (c) Paul Bedell, some rights reserved (CC BY-NC-SA)
- 47. (c) José Belem Hernández Díaz, some rights reserved (CC BY), uploaded by José Belem Hernández Díaz
- 48. (c) Jim P. Brock, some rights reserved (CC BY-NC-SA)
- 49. (c) Roger Shaw, some rights reserved (CC BY-NC-SA)
- 50. (c) Tamar, some rights reserved (CC BY-NC), uploaded by Tamar
- 51. (c) Anne, some rights reserved (CC BY-NC-SA)
- 52. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 53. (c) Jeffrey Pippen, some rights reserved (CC BY-NC-SA)
- 54. (c) cwwood, some rights reserved (CC BY-SA), uploaded by cwwood
- 55. (c) Catherine Cook, some rights reserved (CC BY-NC-ND)
- 56. (c) Bill Bouton, some rights reserved (CC BY-NC-ND)
- 57. (c) Kerry Matz, some rights reserved (CC BY-NC-SA)
- 58. (c) summerazure, some rights reserved (CC BY-NC-SA)
- 59. (c) msr, some rights reserved (CC BY-NC), uploaded by msr
- 60. (c) Bill Carrell, some rights reserved (CC BY-NC-ND), uploaded by Bill Carrell
- 61. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 62. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
- 63. (c) roy pilcher, some rights reserved (CC BY-NC), uploaded by roy pilcher
- 64. (c) Robb Hannawacker, some rights reserved (CC BY-NC-SA)
- 65. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 66. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 67. (c) David Andreas De Rivera Tønnessen, some rights reserved (CC BY-NC), uploaded by David Andreas De Rivera Tønnessen
- 68. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 69. (c) MolanicPix, some rights reserved (CC BY-NC), uploaded by MolanicPix
- 70. (c) cyric, some rights reserved (CC BY-NC-SA), uploaded by cyric
- 71. (c) Judith Ellen Lopez, some rights reserved (CC BY-NC)
- 72. (c) Aditi, some rights reserved (CC BY-NC-SA)
- 73. (c) Celeste Ramsay, some rights reserved (CC BY-NC-ND)
- 74. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 75. (c) Pedro Lucero T, some rights reserved (CC BY-NC), uploaded by Pedro Lucero T
- 76. (c) 104860852614073572279, some rights reserved (CC BY-NC-SA), uploaded by 104860852614073572279
- 77. (c) jackiebaum, some rights reserved (CC BY-NC), uploaded by jackiebaum
- 78. (c) CARLOS VELAZCO, some rights reserved (CC BY-NC), uploaded by CARLOS VELAZCO
- 79. (c) Erin McKiernan, some rights reserved (CC BY-NC-ND), uploaded by Erin McKiernan
- 80. (c) Patrick Dockens, some rights reserved (CC BY-NC-ND)
- 81. (c) Gilles Gonthier, some rights reserved (CC BY)
- 82. (c) John Davis, some rights reserved (CC BY-NC), uploaded by John Davis
- 83. (c) Bill Bouton, some rights reserved (CC BY-NC-SA)
- 84. (c) anonymous, some rights reserved (CC BY-NC-SA)
- 85. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 86. (c) Gilles San Martin, some rights reserved (CC BY-SA), uploaded by Gilles San Martin
- 87. (c) ___daniel___, some rights reserved (CC BY-NC)
- 88. (c) dloarie, some rights reserved (CC BY), uploaded by dloarie
- 89. (c) Anne Toal, some rights reserved (CC BY)
- 90. (c) Aleta Rodriguez, some rights reserved (CC BY-NC-ND)
- 91. (c) Larry Meade, some rights reserved (CC BY-NC-SA)
- 92. (c) Biodiversity Institute, some rights reserved (CC BY-NC-ND)
- 93. (c) Kent McFarland, some rights reserved (CC BY-NC)
- 94. (c) Jason Forbes, some rights reserved (CC BY-NC-ND)
- 95. (c) Zac Cota, some rights reserved (CC BY-NC), uploaded by Zac Cota
- 96. (c) Bill Bumgarner, some rights reserved (CC BY-NC-ND)
- 97. (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block
- 98. (c) AJ Johnson, some rights reserved (CC BY-NC), uploaded by AJ Johnson
- 99. (c) Robert J. "Bob" Nuelle, Jr. AICEZS, some rights reserved (CC BY-NC), uploaded by Robert J. "Bob" Nuelle, Jr. AICEZS
- 100. (c) lohump, some rights reserved (CC BY-NC), uploaded by lohump
- 101. (c) Vanessa Lane, some rights reserved (CC BY-NC), uploaded by Vanessa Lane
- 102. (c) Phil Myers, some rights reserved (CC BY-NC-SA)
- 103. (c) Leslie Flint, some rights reserved (CC BY-NC), uploaded by Leslie Flint
- 104. no rights reserved, uploaded by Kent McFarland
- 105. (c) Alberto González, some rights reserved (CC BY-NC), uploaded by Alberto González
- 106. (c) Eric Bronson, some rights reserved (CC BY-NC-ND)
- 107. (c) TexasEagle, some rights reserved (CC BY-NC)
- 108. (c) fam-esquivel, some rights reserved (CC BY-NC)
- 109. (c) ktratboy, some rights reserved (CC BY-ND)
- 110. (c) lenoreatwood, some rights reserved (CC BY-NC)
- 111. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 112. (c) Mark Rosenstein, some rights reserved (CC BY-NC-SA), uploaded by Mark Rosenstein
- 113. (c) pondhawk, some rights reserved (CC BY)
- 114. (c) Kent Miller, some rights reserved (CC BY-ND), uploaded by Kent Miller
- 115. (c) Bob Danley, some rights reserved (CC BY-NC)
- 116. (c) icosahedron, some rights reserved (CC BY), uploaded by icosahedron
- 117. (c) Brad Smith, some rights reserved (CC BY-NC)
- 118. (c) President and Fellows of Harvard College, some rights reserved (CC BY-NC-SA)
- 119. (c) Pacific Southwest Region U.S. Fish and Wildlife Service, some rights reserved (CC BY)
- 120. (c) Anne Reeves, some rights reserved (CC BY-ND)
- 121. no rights reserved, uploaded by USGS Native Bee Inventory and Monitoring Laboratory
- 122. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 123. (c) Zack Abbey, some rights reserved (CC BY), uploaded by Zack Abbey
- 124. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 125. (c) Five Acre Geographic, some rights reserved (CC BY-ND)
- 126. (c) Louis Shackleton, some rights reserved (CC BY-NC-SA)
- 127. (c) Tom Benson, some rights reserved (CC BY-NC-ND)
- 128. (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar
- 129. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 130. (c) Robert, some rights reserved (CC BY-NC)
- 131. (c) Eran Finkle, some rights reserved (CC BY)
- 132. (c) Christian, some rights reserved (CC BY-NC-SA)
- 133. (c) Anita Gould, some rights reserved (CC BY-NC), uploaded by Anita Gould
- 134. (c) jlentz, some rights reserved (CC BY-NC)
- 135. (c) Mark D. Read, some rights reserved (CC BY-NC), uploaded by Mark D. Read
- 136. (c) Monica Krancevic, some rights reserved (CC BY-NC), uploaded by Monica Krancevic
- 137. (c) Mick Talbot, some rights reserved (CC BY-NC), uploaded by Mick Talbot
- 138. (c) G. L. Dearman, some rights reserved (CC BY-NC), uploaded by G. L. Dearman
- 139. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 140. (c) Pam Piombino, some rights reserved (CC BY-NC), uploaded by Pam Piombino
- 141. (c) adriscoll, some rights reserved (CC BY-NC), uploaded by adriscoll
- 142. (c) Denis Doucet, some rights reserved (CC BY-NC), uploaded by Denis Doucet
- 143. (c) Biopix, some rights reserved (CC BY-NC)
- 144. (c) paul_dennehy, some rights reserved (CC BY-NC), uploaded by paul_dennehy
- 145. (c) Diana-Terry Hibbitts, some rights reserved (CC BY-NC), uploaded by Diana-Terry Hibbitts
- 146. (c) Benjamin Schwartz, some rights reserved (CC BY-NC), uploaded by Benjamin Schwartz
- 147. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
- 148. (c) Anita363, some rights reserved (CC BY-NC)
- 149. (c) upupamartin, some rights reserved (CC BY-NC-ND), uploaded by upupamartin
- 150. (c) Michelle Dyer, some rights reserved (CC BY-NC-SA)
- 151. (c) Chuck Sexton, some rights reserved (CC BY-NC), uploaded by Chuck Sexton
- 152. (c) Dick, some rights reserved (CC BY-NC-SA)
- 153. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 154. (c) Ronald Parry, some rights reserved (CC BY-NC), uploaded by Ronald Parry
- 155. (c) Shana Loshbaugh, some rights reserved (CC BY-NC), uploaded by Shana Loshbaugh
- 156. (c) Andy Reago & Chrissy McClarren, some rights reserved (CC BY)
- 157. no rights reserved
- 158. (c) Jeremiah Caldwell, some rights reserved (CC BY-NC), uploaded by Jeremiah Caldwell
- 159. (c) Royal Tyler, some rights reserved (CC BY-NC-SA)
- 160. (c) jen_in_colorado, some rights reserved (CC BY-NC), uploaded by jen_in_colorado
- 161. (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist
- 162. (c) Ben Sale, some rights reserved (CC BY)
- 163. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 164. (c) dhobern, some rights reserved (CC BY)
- 165. (c) stonebird, some rights reserved (CC BY-NC-SA)
- 166. (c) ellen hildebrandt, some rights reserved (CC BY-NC), uploaded by ellen hildebrandt
- 167. (c) Judy Gallagher, some rights reserved (CC BY), uploaded by Judy Gallagher
- 168. (c) Donna's Utopia, some rights reserved (CC BY-NC), uploaded by Donna's Utopia
- 169. (c) Bill Keim, some rights reserved (CC BY)
- 170. (c) bg1159, some rights reserved (CC BY), uploaded by bg1159
- 171. (c) JerryFriedman, some rights reserved (CC BY-SA)
- 172. (c) Steve Wells, some rights reserved (CC BY-NC), uploaded by Steve Wells
- 173. (c) bob15noble, some rights reserved (CC BY-NC), uploaded by bob15noble
- 174. (c) Oregon Department of Agriculture, some rights reserved (CC BY-NC-ND)
- 175. (c) Arne, some rights reserved (CC BY-NC), uploaded by Arne
- 176. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
- 177. (c) Scott Buckel, some rights reserved (CC BY-NC), uploaded by Scott Buckel
- 178. (c) Erika Mitchell, some rights reserved (CC BY-NC), uploaded by Erika Mitchell
- 179. (c) Scott King, some rights reserved (CC BY-NC)
- 180. (c) Chris Evers, some rights reserved (CC BY-NC), uploaded by Chris Evers
- 181. (c) Thomas Shahan, some rights reserved (CC BY-NC), uploaded by Thomas Shahan
- 182. (c) A. Jaszlics, some rights reserved (CC BY-NC)
- 183. (c) Ted MacRae, some rights reserved (CC BY-NC-ND)
- 184. (c) Lee Elliott, some rights reserved (CC BY-NC-SA)
- 185. (c) Cullen Hanks, some rights reserved (CC BY-NC), uploaded by Cullen Hanks
- 186. (c) sfbaywalk, some rights reserved (CC BY)
- 187. (c) TristramBrelstaff, some rights reserved (CC BY-SA)
- 188. (c) molanic, some rights reserved (CC BY-NC), uploaded by molanic
- 189. (c) Doris Potter, some rights reserved (CC BY-NC), uploaded by Doris Potter
- 190. (c) Dave Wendelken, some rights reserved (CC BY-NC), uploaded by Dave Wendelken
- 191. (c) Nature Gardens Gallery Interpreter, some rights reserved (CC BY-NC), uploaded by Nature Gardens Gallery Interpreter
- 192. (c) Lon&Queta, some rights reserved (CC BY-NC-SA)
- 193. (c) Tony Palmer, some rights reserved (CC BY-NC), uploaded by Tony Palmer
- 194. (c) Robert Webster, some rights reserved (CC BY-SA), uploaded by Robert Webster
- 195. (c) leed0017, some rights reserved (CC BY-NC)
- 196. (c) Sean McCann, some rights reserved (CC BY-SA)
- 197. (c) Joe Bartok, some rights reserved (CC BY-NC), uploaded by Joe Bartok
- 198. (c) Russell Pfau, some rights reserved (CC BY-NC), uploaded by Russell Pfau
- 199. (c) Jason King, some rights reserved (CC BY-NC), uploaded by Jason King
- 200. (c) Kim Wagner, some rights reserved (CC BY-NC), uploaded by Kim Wagner
- 201. (c) Victor W Fazio III, some rights reserved (CC BY-NC), uploaded by Victor W Fazio III
- 202. (c) Eric Knopf, some rights reserved (CC BY-NC), uploaded by Eric Knopf
- 203. (c) Scott A. Grubbs, Richard W. Baumann, R. Edward DeWalt, Tari Tweddale, some rights reserved (CC BY)
- 204. (c) Kat Halsey, some rights reserved (CC BY-NC)
- 205. (c) Thomas J. Walker/Singing Insects of North America, some rights reserved (CC BY-NC-SA)
- 206. (c) Jenn Forman Orth, some rights reserved (CC BY-NC-SA)
- 207. (c) Anthony Zukoff, some rights reserved (CC BY-NC-SA)
- 208. (c) Doug Macaulay, some rights reserved (CC BY-NC), uploaded by Doug Macaulay
- 209. (c) Lauren Sobkoviak, some rights reserved (CC BY-NC-ND)
- 210. (c) Cristian Olvera, some rights reserved (CC BY-NC), uploaded by Cristian Olvera
- 211. (c) E Green, some rights reserved (CC BY-NC-ND)
- 212. (c) Michael Price, some rights reserved (CC BY-NC-ND), uploaded by Michael Price
- 213. (c) Scott E Severs, some rights reserved (CC BY-NC), uploaded by Scott E Severs
- 214. (c) leptim, some rights reserved (CC BY-NC)
- 215. (c) Fyn Kynd, some rights reserved (CC BY-SA), uploaded by Fyn Kynd
- 216. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
- 217. (c) Sam McNally, some rights reserved (CC BY-NC), uploaded by Sam McNally
- 218. (c) Samuel Huckins, some rights reserved (CC BY-NC-SA)
- 219. (c) dlbowls, some rights reserved (CC BY-NC), uploaded by dlbowls
- 220. (c) katunchik, some rights reserved (CC BY), uploaded by katunchik
- 221. (c) Jason Levesque, some rights reserved (CC BY)
- 222. (c) Wildlife in a Dorset garden., some rights reserved (CC BY-NC-SA)
- 223. (c) klips, some rights reserved (CC BY-NC)
- 224. (c) Eugene Zelenko, some rights reserved (CC BY-SA)
- 225. (c) John Wright, some rights reserved (CC BY-NC-ND)
- 226. (c) Rainer Hungershausen, some rights reserved (CC BY-NC-ND)
- 227. (c) averagewalrus, some rights reserved (CC BY), uploaded by averagewalrus
- 228. (c) Steve Berardi, some rights reserved (CC BY-SA)
- 229. (c) R.J. Adams, some rights reserved (CC BY-NC), uploaded by R.J. Adams
- 230. (c) Andrew Reding, some rights reserved (CC BY-NC-ND)
- 231. (c) Cameron Eckert, some rights reserved (CC BY-NC), uploaded by Cameron Eckert
- 232. (c) Bryan, some rights reserved (CC BY-NC), uploaded by Bryan
- 233. (c) 2008 jim adams, some rights reserved (CC BY-NC-SA)
- 234. (c) Anita, some rights reserved (CC BY-NC-SA)
- 235. (c) Kakalotli, some rights reserved (CC BY-NC), uploaded by Kakalotli
- 236. (c) 116916927065934112165, some rights reserved (CC BY-SA), uploaded by 116916927065934112165
- 237. (c) Sam Hough, some rights reserved (CC BY-NC), uploaded by Sam Hough
- 238. (c) hobiecat, some rights reserved (CC BY-NC), uploaded by hobiecat
- 239. (c) Kathleen Franklin, some rights reserved (CC BY)
- 240. (c) Brandon Hein, some rights reserved (CC BY-NC), uploaded by Brandon Hein
- 241. (c) BIO Photography Group. Biodiversity Institute of Ontario., some rights reserved (CC BY-NC-SA)
- 242. (c) Biodiversity Institute of Ontario. Biodiversity Institute of Ontario., some rights reserved (CC BY-NC-SA)
- 243. (c) Jeffrey M. Webb, some rights reserved (CC BY-NC-SA)
- 244. (c) Claudio, some rights reserved (CC BY-NC-ND)
- 245. (c) Emilio Concari, some rights reserved (CC BY-NC), uploaded by Emilio Concari
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