Edited by Todd Plummer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Elaine with Grey Cats, some rights reserved (CC BY-SA)
- 2. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 3. (c) Eric in SF, some rights reserved (CC BY-NC-ND)
- 4. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 5. (c) beautifulcataya, some rights reserved (CC BY-NC-ND)
- 6. no rights reserved, uploaded by Peter de Lange
- 7. (c) Dawn Endico, some rights reserved (CC BY-SA)
- 8. (c) John Tann, some rights reserved (CC BY)
- 9. (c) user:Curtis Clark, some rights reserved (CC BY-SA)
- 10. (c) Jon Sullivan, some rights reserved (CC BY-NC)
- 11. (c) Anita, some rights reserved (CC BY-NC)
- 12. (c) Bryan, some rights reserved (CC BY-NC), uploaded by Bryan
- 13. (c) Fred Melgert / Carla Hoegen, some rights reserved (CC BY-NC), uploaded by Fred Melgert / Carla Hoegen
- 14. (c) Phil Sellens, some rights reserved (CC BY)
- 15. (c) Chris Brown, some rights reserved (CC BY-NC), uploaded by Chris Brown
- 16. (c) 2008 Zoya Akulova, some rights reserved (CC BY-NC)
- 17. no rights reserved, uploaded by rockybajada
- 18. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 19. (c) Tom Hilton, some rights reserved (CC BY)
- 20. (c) Franco Folini, some rights reserved (CC BY-SA)
- 21. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 22. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz
- 23. (c) peupleloup, some rights reserved (CC BY-SA)
- 24. (c) Cheng-Tao Lin, some rights reserved (CC BY), uploaded by Cheng-Tao Lin
- 25. (c) 2008 Jorg Fleige, some rights reserved (CC BY-NC)
- 26. (c) Michael Chassé, some rights reserved (CC BY-NC-ND), uploaded by Michael Chassé
- 27. (c) Steve Jones, some rights reserved (CC BY-NC), uploaded by Steve Jones
- 28. (c) Marion Anthonisen, some rights reserved (CC BY-NC), uploaded by Marion Anthonisen
- 29. (c) Merav Vonshak, some rights reserved (CC BY-NC), uploaded by Merav Vonshak
- 30. (c) 潘立傑 LiChieh Pan, some rights reserved (CC BY-NC-SA)
- 31. (c) Eric Wrubel, some rights reserved (CC BY-NC), uploaded by Eric Wrubel
- 32. (c) kqedquest, some rights reserved (CC BY-NC)
- 33. (c) stonebird, some rights reserved (CC BY-SA)
- 34. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 35. (c) stonebird, some rights reserved (CC BY-NC-SA)
- 36. (c) eyeweed, some rights reserved (CC BY-NC-ND)
- 37. (c) Carolyn Gritzmaker, some rights reserved (CC BY-NC), uploaded by Carolyn Gritzmaker
- 38. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 39. (c) zzzeroX Productions, some rights reserved (CC BY-NC-SA)
- 40. (c) 2009 Keir Morse, some rights reserved (CC BY-NC-SA)
- 41. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 42. (c) c michael hogan, some rights reserved (CC BY-NC), uploaded by c michael hogan
- 43. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 44. (c) Franco Folini, some rights reserved (CC BY)
- 45. (c) Joshua, some rights reserved (CC BY-NC-SA)
- 46. (c) 2009 Jorg Fleige, some rights reserved (CC BY-NC)
- 47. (c) Lena Zentall, some rights reserved (CC BY-NC), uploaded by Lena Zentall
- 48. (c) Jon Sullivan, some rights reserved (CC BY)
- 49. (c) Anita, some rights reserved (CC BY-NC-SA)
- 50. (c) Jennifer de Graaf, some rights reserved (CC BY-NC)
- 51. (c) Jerry Kirkhart, some rights reserved (CC BY)