Edited by carrier, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Kai Schreiber, some rights reserved (CC BY-NC-SA)
- 2. (c) Jack Wolf, some rights reserved (CC BY-ND)
- 3. (c) 2011 Robert A. Hamilton, some rights reserved (CC BY-NC-SA)
- 4. (c) Franco Folini, some rights reserved (CC BY)
- 5. (c) Joshua Smelser, some rights reserved (CC BY-NC-ND)
- 6. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 7. (c) johnvillella, some rights reserved (CC BY-NC-SA)
- 8. (c) Tim Waters, some rights reserved (CC BY-NC-ND)
- 9. (c) josh jackson, some rights reserved (CC BY)
- 10. (c) Philip Bouchard, some rights reserved (CC BY-NC-ND)
- 11. (c) Mr Stobbe, some rights reserved (CC BY-NC-SA)
- 12. (c) J. Maughn, some rights reserved (CC BY-NC)
- 13. (c) Maggie, some rights reserved (CC BY-NC)
- 14. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
- 15. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 16. (c) Erin and Lance Willett, some rights reserved (CC BY-NC-ND)
- 17. (c) The Ruth Bancroft Garden, some rights reserved (CC BY-NC)
- 18. (c) Jason Hollinger, some rights reserved (CC BY-ND)
- 19. (c) Damon Taylor, some rights reserved (CC BY-NC-SA)
- 20. (c) Jason Hollinger, some rights reserved (CC BY-SA)
- 21. (c) F. D. Richards, some rights reserved (CC BY-SA)
- 22. (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 23. (c) Valerie, some rights reserved (CC BY-NC-ND)
- 24. (c) Yathin, some rights reserved (CC BY-NC-ND)
- 25. (c) Josh More, some rights reserved (CC BY-NC-ND)
- 26. (c) Dmitry Mozzherin, some rights reserved (CC BY-NC-SA)
- 27. (c) Brian Peterson, some rights reserved (CC BY-NC-ND)
- 28. (c) Robin Horn, some rights reserved (CC BY-NC-ND)
- 29. (c) Syd Phillips, some rights reserved (CC BY-NC)
- 30. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 31. (c) sarbhloh, some rights reserved (CC BY-NC-ND)