Edited by Victor E. Chocho, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
- 2. (c) Chris Harrison, some rights reserved (CC BY-NC), uploaded by Chris Harrison
- 3. (c) Jakob Fahr, some rights reserved (CC BY-NC), uploaded by Jakob Fahr
- 4. (c) longufresu, some rights reserved (CC BY-NC)
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- 6. (c) Jonathan (JC) Carpenter, some rights reserved (CC BY-NC), uploaded by Jonathan (JC) Carpenter
- 7. (c) Wilfredo Falcón, some rights reserved (CC BY-NC), uploaded by Wilfredo Falcón
- 8. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 9. (c) NOZO, some rights reserved (CC BY-SA)
- 10. (c) Carla Kishinami, some rights reserved (CC BY-NC-ND)
- 11. (c) budak, some rights reserved (CC BY-NC), uploaded by budak
- 12. (c) Phil's 1stPix, some rights reserved (CC BY-NC-SA)
- 13. (c) Davide, some rights reserved (CC BY-SA)
- 14. (c) Bering Land Bridge National Preserve, some rights reserved (CC BY)
- 15. (c) Brian Yap (葉), some rights reserved (CC BY-NC)
- 16. (c) Vijay Anand Ismavel, some rights reserved (CC BY-NC-SA)
- 17. (c) Alex J., some rights reserved (CC BY)
- 18. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 19. (c) copepodo, some rights reserved (CC BY-NC-ND)
- 20. (c) Paul Hocksenar, some rights reserved (CC BY-NC-SA)
- 21. (c) Aaron Gustafson, some rights reserved (CC BY-SA)
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