Edited by cynthia nocton, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 2. (c) DowianA, some rights reserved (CC BY-NC-SA)
- 3. (c) Show ryu, some rights reserved (CC BY-SA)
- 4. (c) Jason Hollinger, some rights reserved (CC BY)
- 5. (c) Richard Droker, some rights reserved (CC BY-NC-ND)
- 6. (c) George Shepherd, some rights reserved (CC BY-NC-SA)
- 7. (c) yaoshawn, some rights reserved (CC BY-NC), uploaded by yaoshawn
- 8. (c) Biopix, some rights reserved (CC BY-NC)
- 9. (c) Erika Mitchell, some rights reserved (CC BY-NC), uploaded by Erika Mitchell
- 10. (c) Rafael Medina, some rights reserved (CC BY), uploaded by Rafael Medina
- 11. (c) Jeff Skrentny, some rights reserved (CC BY-NC), uploaded by Jeff Skrentny
- 12. no rights reserved
- 13. (c) Christopher Tracey, some rights reserved (CC BY-NC-SA), uploaded by Christopher Tracey
- 14. (c) Yankech gary, some rights reserved (CC BY-ND)
- 15. (c) Steven Severinghaus, some rights reserved (CC BY-NC-SA)
- 16. (c) eyeweed, some rights reserved (CC BY-NC-ND)