Edited by Tony Rebelo and Andrea Grobler, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Michelle Bartsch, some rights reserved (CC BY-NC-ND)
- 2. (c) 2008 Zoya Akulova, some rights reserved (CC BY-NC)
- 3. (c) Forest & Kim Starr, some rights reserved (CC BY)
- 4. (c) shellhath, all rights reserved, uploaded by shellhath
- 5. (c) Dick Culbert, some rights reserved (CC BY)
- 6. (c) Michael Kappel, some rights reserved (CC BY-NC)
- 7. (c) Fabelfroh, some rights reserved (CC BY-SA)
- 8. (c) augusto ravagli, some rights reserved (CC BY-NC-SA)
- 9. (c) Bernard DUPONT, some rights reserved (CC BY-SA)
- 10. (c) thehaplesshiker, some rights reserved (CC BY-NC), uploaded by thehaplesshiker
- 11. (c) Himanshu Sarpotdar, some rights reserved (CC BY-NC-ND)
- 12. (c) 106611639464075912591, some rights reserved (CC BY-NC-SA), uploaded by 106611639464075912591
- 13. (c) crabchick, some rights reserved (CC BY)
- 14. (c) Scott Zona, some rights reserved (CC BY)
- 15. (c) ellen hildebrandt, some rights reserved (CC BY-NC), uploaded by ellen hildebrandt
- 16. (c) Louisa Billeter, some rights reserved (CC BY-NC-SA)
- 17. (c) jacinta lluch valero, some rights reserved (CC BY-SA)
- 18. (c) James Steamer, some rights reserved (CC BY-NC), uploaded by James Steamer
- 19. (c) denisseso, some rights reserved (CC BY-NC), uploaded by denisseso
- 20. (c) 2012 Dean Wm. Taylor, Ph.D., some rights reserved (CC BY-NC-SA)