Edited by Carol Blaney, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Benjamin J. Dion, some rights reserved (CC BY-NC-SA), uploaded by Benjamin J. Dion
- 2. (c) Matthew Salkiewicz, some rights reserved (CC BY-NC), uploaded by Matthew Salkiewicz
- 3. (c) lonnyholmes, some rights reserved (CC BY-NC), uploaded by lonnyholmes
- 4. (c) Miguel Ordeñana, some rights reserved (CC BY-NC-ND), uploaded by Miguel Ordeñana
- 5. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 6. (c) 2009 Keir Morse, some rights reserved (CC BY-NC-SA)
- 7. (c) Tom Hilton, some rights reserved (CC BY)
- 8. (c) Theo Summer, some rights reserved (CC BY), uploaded by Theo Summer
- 9. (c) kqedquest, some rights reserved (CC BY-NC)
- 10. (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block
- 11. (c) Krzysztof Ziarnek, Kenraiz, some rights reserved (CC BY-SA)
- 12. (c) schong719, some rights reserved (CC BY-NC)
- 13. (c) NatureShutterbug, some rights reserved (CC BY)
- 14. (c) Patrick Dockens, some rights reserved (CC BY-NC-ND)
- 15. (c) John Barkla, some rights reserved (CC BY), uploaded by John Barkla
- 16. (c) Todd Fitzgerald, some rights reserved (CC BY-NC), uploaded by Todd Fitzgerald
- 17. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
- 18. (c) Philip Bouchard, some rights reserved (CC BY-NC-ND)
- 19. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 20. (c) Hiroyuki-H, some rights reserved (CC BY-SA)