Edited by Sergio Alejandro DC, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Steve Wilson - over 10 million views Thanks !!, some rights reserved (CC BY)
- 2. (c) pfaucher, some rights reserved (CC BY-NC), uploaded by pfaucher
- 3. no rights reserved, uploaded by Diego Carús
- 4. (c) MaoMorning Yip, some rights reserved (CC BY-NC), uploaded by MaoMorning Yip
- 5. (c) Steven Easley, some rights reserved (CC BY-NC), uploaded by Steven Easley
- 6. (c) Brian Gratwicke, some rights reserved (CC BY)
- 7. (c) Carlos Alvarez N., some rights reserved (CC BY-NC), uploaded by Carlos Alvarez N.
- 8. (c) davidcooksy, some rights reserved (CC BY-NC)
- 9. (c) Tony Hisgett, some rights reserved (CC BY)
- 10. (c) Douglas Trent, some rights reserved (CC BY-NC), uploaded by Douglas Trent
- 11. (c) tigrillagardenia, some rights reserved (CC BY)
- 12. (c) Tambako The Jaguar, some rights reserved (CC BY-ND)
- 13. (c) Chris Barella, some rights reserved (CC BY-NC)
- 14. (c) Don Owens, some rights reserved (CC BY)
- 15. (c) Josh Vandermeulen, some rights reserved (CC BY-NC-ND), uploaded by Josh Vandermeulen
- 16. (c) Josh More, some rights reserved (CC BY-NC-ND)
- 17. (c) Joachim S. Müller, some rights reserved (CC BY-NC-SA)
- 18. (c) David Weaver, some rights reserved (CC BY-NC), uploaded by David Weaver
- 19. (c) Roger Rittmaster, some rights reserved (CC BY-NC), uploaded by Roger Rittmaster
