Edited by ygg_huur, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Marshal Hedin, some rights reserved (CC BY-NC-SA), uploaded by Marshal Hedin
- 2. (c) Kimberlie Sasan, some rights reserved (CC BY-ND), uploaded by Kimberlie Sasan
- 3. (c) Bob Peterson, some rights reserved (CC BY)
- 4. (c) wanderingmogwai, some rights reserved (CC BY-NC), uploaded by wanderingmogwai
- 5. (c) Ferran Pestaña, some rights reserved (CC BY-NC)
- 6. (c) christine123, some rights reserved (CC BY), uploaded by christine123
- 7. (c) skitterbug, some rights reserved (CC BY), uploaded by skitterbug
- 8. (c) Glen Peterson, some rights reserved (CC BY-NC-SA)
- 9. (c) Judy Gallagher, some rights reserved (CC BY), uploaded by Judy Gallagher
- 10. (c) Michael Schmidt, some rights reserved (CC BY-NC-SA)
- 11. (c) Mark Nenadov, some rights reserved (CC BY-NC), uploaded by Mark Nenadov
- 12. (c) Royal Tyler, some rights reserved (CC BY-NC-SA), uploaded by Royal Tyler
- 13. (c) David Hill, some rights reserved (CC BY)
- 14. (c) Sheryl Smith-Rodgers, some rights reserved (CC BY-NC), uploaded by Sheryl Smith-Rodgers
- 15. (c) Benigno Gómez Garza, some rights reserved (CC BY-NC), uploaded by Benigno Gómez Garza
- 16. (c) Oscar Johnson, some rights reserved (CC BY-NC-ND), uploaded by Oscar Johnson
- 17. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz
- 18. (c) djfrantic, some rights reserved (CC BY-NC-ND)
- 19. (c) Татьяна Дензанова, some rights reserved (CC BY-NC), uploaded by Татьяна Дензанова
- 20. (c) wwrauscher, some rights reserved (CC BY-NC), uploaded by wwrauscher
- 21. (c) Laurence Sanders, some rights reserved (CC BY-NC-SA), uploaded by Laurence Sanders
- 22. (c) Elizabeth Nicodemus, some rights reserved (CC BY-ND)
- 23. (c) Bob O'Kennon, some rights reserved (CC BY-NC), uploaded by Bob O'Kennon
- 24. (c) Lisa Brown, some rights reserved (CC BY-NC)
- 25. (c) Jakob Fahr, some rights reserved (CC BY-NC), uploaded by Jakob Fahr
- 26. (c) Meghan Cassidy, some rights reserved (CC BY-SA), uploaded by Meghan Cassidy
- 27. (c) Ken Schneider, some rights reserved (CC BY-NC), uploaded by Ken Schneider
- 28. (c) latimeria-co, some rights reserved (CC BY-NC), uploaded by latimeria-co
- 29. (c) Melody Lytle, some rights reserved (CC BY-NC), uploaded by Melody Lytle
- 30. (c) Joe Lapp, some rights reserved (CC BY-NC)
- 31. (c) jcowles, some rights reserved (CC BY), uploaded by jcowles
- 32. (c) Robby Deans, some rights reserved (CC BY-NC), uploaded by Robby Deans
- 33. (c) Eric Carpenter, some rights reserved (CC BY-NC), uploaded by Eric Carpenter
- 34. (c) Martin Cooper, some rights reserved (CC BY)
- 35. (c) José Francisco Gómez Rodríguez, some rights reserved (CC BY-NC), uploaded by José Francisco Gómez Rodríguez
- 36. (c) Rebecca, some rights reserved (CC BY-NC), uploaded by Rebecca
- 37. (c) Nicolas Olejnik, some rights reserved (CC BY-NC), uploaded by Nicolas Olejnik
- 38. (c) David G. Barker, some rights reserved (CC BY-NC), uploaded by David G. Barker
- 39. (c) Chris A. Hamilton, Brent E. Hendrixson, Jason E. Bond, some rights reserved (CC BY)
- 40. (c) jorozko, some rights reserved (CC BY-NC-SA)
