Edited by Jeff Huston, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) David~O, some rights reserved (CC BY)
- 2. (c) Jennifer de Graaf, some rights reserved (CC BY-NC)
- 3. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)
- 4. (c) Flickr, some rights reserved (CC BY-NC)
- 5. (c) 2008 Keir Morse, some rights reserved (CC BY-NC-SA)
- 6. (c) kqedquest, some rights reserved (CC BY-NC)
- 7. (c) 1998 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 8. (c) stonebird, some rights reserved (CC BY-NC-SA)
- 9. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 10. (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 11. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 12. (c) Tom Hilton, some rights reserved (CC BY)
- 13. (c) 115792457961947948004, some rights reserved (CC BY-NC-SA), uploaded by 115792457961947948004
- 14. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
- 15. (c) 2010 Gary A. Monroe, some rights reserved (CC BY-NC)
- 16. (c) Eric in SF, some rights reserved (CC BY-NC-ND)
- 17. (c) lonnyholmes, some rights reserved (CC BY-NC), uploaded by lonnyholmes
- 18. (c) 2008 Gary A. Monroe, some rights reserved (CC BY-NC)
- 19. (c) Matthew Herron, some rights reserved (CC BY-NC), uploaded by Matthew Herron
- 20. (c) J Brew, some rights reserved (CC BY-SA), uploaded by J Brew
- 21. (c) 2011 Zoya Akulova, some rights reserved (CC BY-NC)
- 22. (c) Jerry Kirkhart, some rights reserved (CC BY)
- 23. (c) Wayfinder_73, some rights reserved (CC BY-NC-ND)
- 24. (c) 2003 Brent Miller, some rights reserved (CC BY-NC-SA)
- 25. (c) Howard Cheng, some rights reserved (CC BY-SA)
- 26. (c) NatureShutterbug, some rights reserved (CC BY)
- 27. (c) Clinton & Charles Robertson, some rights reserved (CC BY)
- 28. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 29. (c) Vincent Scheidt, some rights reserved (CC BY-NC), uploaded by Vincent Scheidt
- 30. (c) Charlie Inyo, some rights reserved (CC BY), uploaded by Charlie Inyo
- 31. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 32. (c) Gwen Noda, some rights reserved (CC BY-NC), uploaded by Gwen Noda
- 33. (c) Jason Hollinger, some rights reserved (CC BY)
- 34. (c) lchroman, some rights reserved (CC BY-NC), uploaded by lchroman
- 35. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 36. (c) R.J. Adams, some rights reserved (CC BY-NC), uploaded by R.J. Adams
- 37. (c) Gravitywave, some rights reserved (CC BY-NC-SA)
- 38. (c) Jim Morefield, some rights reserved (CC BY)
- 39. (c) Franco Folini, some rights reserved (CC BY-SA)
- 40. (c) 2009 Keir Morse, some rights reserved (CC BY-NC-SA)
- 41. (c) 2013 Keir Morse, some rights reserved (CC BY-NC-SA)
- 42. (c) Matthew High, some rights reserved (CC BY-NC)
- 43. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 44. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 45. (c) John Rusk, some rights reserved (CC BY-NC-SA)
- 46. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 47. (c) Michael Chassé, some rights reserved (CC BY-NC-ND), uploaded by Michael Chassé
- 48. (c) 2005 Keir Morse, some rights reserved (CC BY-NC-SA)
- 49. (c) Don Loarie, some rights reserved (CC BY)
- 50. (c) aarenas, some rights reserved (CC BY-NC), uploaded by aarenas
- 51. (c) Patrick Dockens, some rights reserved (CC BY-NC-ND)
- 52. (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block
- 53. (c) Aaron Carlson, some rights reserved (CC BY), uploaded by Aaron Carlson
- 54. (c) Franco Folini, some rights reserved (CC BY)
- 55. (c) Lynn Sweet, some rights reserved (CC BY), uploaded by Lynn Sweet