Edited by Cheryl Beyer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) beautifulcataya, some rights reserved (CC BY-NC-ND)
- 2. no rights reserved
- 3. (c) 2008 Keir Morse, some rights reserved (CC BY-NC-SA)
- 4. (c) Bastiaan, some rights reserved (CC BY-NC-ND)
- 5. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz
- 6. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 7. (c) Tom Hilton, some rights reserved (CC BY)
- 8. (c) 1998 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 9. (c) 2009 Keir Morse, some rights reserved (CC BY-NC-SA)
- 10. (c) C.V. Vick, some rights reserved (CC BY-NC-ND)
- 11. (c) 2012 Gary A. Monroe, some rights reserved (CC BY-NC)
- 12. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 13. (c) Richard Droker, some rights reserved (CC BY-NC-ND)
- 14. (c) Marissa, some rights reserved (CC BY-NC), uploaded by Marissa
- 15. (c) joecf, some rights reserved (CC BY-NC-ND), uploaded by joecf
- 16. (c) Carol Jacobs-Carre, some rights reserved (CC BY-NC-ND)
- 17. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
- 18. (c) 2009 Barry Breckling, some rights reserved (CC BY-NC-SA)
