Edited by Marie Studer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Rodrigo Medel, some rights reserved (CC BY-NC)
- 2. (c) Joby Joseph, some rights reserved (CC BY-NC-SA)
- 3. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 4. (c) Jason Means, some rights reserved (CC BY-NC-ND)
- 5. (c) Gavan Watson, some rights reserved (CC BY-NC-SA)
- 6. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 7. (c) Scott Young, some rights reserved (CC BY-NC)
- 8. (c) Eddie Callaway, some rights reserved (CC BY-ND)
- 9. (c) Manjith Kainickara, some rights reserved (CC BY-SA)
- 10. (c) Minette Layne-Worthey, some rights reserved (CC BY-NC-SA), uploaded by Minette Layne-Worthey
- 11. (c) Gene H, some rights reserved (CC BY-NC-ND)
- 12. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
- 13. (c) Robert, some rights reserved (CC BY-NC)
- 14. (c) Minette, some rights reserved (CC BY-NC)
- 15. (c) Rick Leche, some rights reserved (CC BY-NC-ND)
- 16. (c) AJ Cann, some rights reserved (CC BY-NC-SA)
- 17. (c) Zack, some rights reserved (CC BY-NC-SA)
- 18. (c) Todd Pierson, some rights reserved (CC BY-NC-SA)
- 19. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 20. (c) Maureen, some rights reserved (CC BY)
- 21. (c) GregTheBusker, some rights reserved (CC BY)
- 22. (c) Brian Gratwicke, some rights reserved (CC BY)
- 23. (c) Bethany Harvey, some rights reserved (CC BY-NC-SA)
- 24. (c) A. Jaszlics, some rights reserved (CC BY-NC)
- 25. (c) Lee, some rights reserved (CC BY-NC)
- 26. (c) Douglas Mills, some rights reserved (CC BY-NC), uploaded by Douglas Mills
- 27. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
- 28. (c) Ryan Somma, some rights reserved (CC BY-SA)
- 29. (c) Michael Graziano, all rights reserved, uploaded by Michael Graziano
- 30. (c) Josh Henderson, some rights reserved (CC BY-SA)
- 31. (c) batwrangler, some rights reserved (CC BY-NC-ND)
- 32. (c) Anita Gould, some rights reserved (CC BY-NC-SA), uploaded by Anita Gould
- 33. (c) Zeke Franco, some rights reserved (CC BY-NC-ND)
- 34. (c) tom spinker, some rights reserved (CC BY-NC-ND)
- 35. (c) Larry Meade, some rights reserved (CC BY-NC-SA)
- 36. (c) Jane, some rights reserved (CC BY-NC-SA)
- 37. (c) Kerry Matz, some rights reserved (CC BY-NC-SA)
- 38. (c) Douglas Mills, some rights reserved (CC BY-NC-ND)
- 39. (c) Leah Heady, some rights reserved (CC BY-NC-ND)
- 40. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 41. (c) L A, some rights reserved (CC BY-NC-ND)
- 42. (c) Kristen Ortwerth-Jewell, some rights reserved (CC BY)
- 43. (c) Ronnie Pitman, some rights reserved (CC BY-NC)
- 44. (c) Leigh Stuemke, all rights reserved, uploaded by Leigh Stuemke
- 45. (c) U.S. Fish and Wildlife Service Headquarters, some rights reserved (CC BY)
- 46. (c) Jason Whittle, some rights reserved (CC BY-NC-ND), uploaded by Jason Whittle
- 47. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 48. (c) funmontanaviva, some rights reserved (CC BY-ND)
- 49. (c) Juan Cruzado, some rights reserved (CC BY-SA), uploaded by Juan Cruzado
- 50. United States Fish and Wildlife Service, no known copyright restrictions (public domain)