Edited by Rubén Alejandro Ramírez García, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Jack Wolf, some rights reserved (CC BY-ND)
- 2. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 3. (c) Scott Buckel, some rights reserved (CC BY-NC), uploaded by Scott Buckel
- 4. (c) Roberto González, some rights reserved (CC BY-NC), uploaded by Roberto González
- 5. (c) Juan Zamora, some rights reserved (CC BY)
- 6. (c) Mark Rosenstein, some rights reserved (CC BY-NC), uploaded by Mark Rosenstein
- 7. (c) Rick Leche - Photography, some rights reserved (CC BY-NC-ND)
- 8. (c) Amelia Ryan, some rights reserved (CC BY-NC), uploaded by Amelia Ryan
- 9. (c) Heather Paul, some rights reserved (CC BY-ND)
- 10. (c) Isidro Vila Verde, some rights reserved (CC BY-NC)
- 11. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 12. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 13. (c) eduardovieira17, some rights reserved (CC BY-NC), uploaded by eduardovieira17
- 14. (c) Jeff Nickel, some rights reserved (CC BY-NC-SA)
- 15. (c) Marj Kibby, some rights reserved (CC BY-NC)
- 16. (c) 116916927065934112165, some rights reserved (CC BY), uploaded by 116916927065934112165
- 17. (c) José Antonio Linage Espinosa, some rights reserved (CC BY-NC), uploaded by José Antonio Linage Espinosa
- 18. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 19. (c) Mike Baird, some rights reserved (CC BY)
- 20. (c) Cláudio Dias Timm, some rights reserved (CC BY-NC-SA)
- 21. (c) Len Blumin, some rights reserved (CC BY)
- 22. (c) Robert, some rights reserved (CC BY-NC-ND)
- 23. (c) Peggy Romfh, some rights reserved (CC BY-NC), uploaded by Peggy Romfh
- 24. (c) Isaac Lord, some rights reserved (CC BY-NC), uploaded by Isaac Lord
- 25. (c) TexasEagle, some rights reserved (CC BY-NC)
- 26. (c) M. Goff, some rights reserved (CC BY-NC-SA), uploaded by M. Goff
- 27. (c) Gary Ashley, some rights reserved (CC BY-NC)
- 28. (c) Julien Renoult, some rights reserved (CC BY), uploaded by Julien Renoult
- 29. (c) Jack Wolf, some rights reserved (CC BY-NC-ND)
- 30. (c) Nick Chill, some rights reserved (CC BY-NC-ND)
- 31. (c) Ómar Runólfsson, some rights reserved (CC BY)
- 32. (c) physixfan, some rights reserved (CC BY-NC-SA), uploaded by physixfan
- 33. (c) dlbowls, some rights reserved (CC BY-NC), uploaded by dlbowls
- 34. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 35. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 36. (c) Jamie Drake, some rights reserved (CC BY-NC-SA)
- 37. (c) Roberto R. Calderón, some rights reserved (CC BY-NC), uploaded by Roberto R. Calderón
- 38. (c) Bobby McCabe, some rights reserved (CC BY), uploaded by Bobby McCabe
- 39. (c) USFWSmidwest, some rights reserved (CC BY)
- 40. (c) David Maher, some rights reserved (CC BY-NC-SA)
- 41. (c) Bob, some rights reserved (CC BY-NC-ND)
- 42. (c) Frank Schulenburg, some rights reserved (CC BY-SA)
- 43. (c) C.V. Vick, some rights reserved (CC BY-NC-ND)
- 44. (c) Victor W Fazio III, some rights reserved (CC BY-NC), uploaded by Victor W Fazio III
- 45. (c) Geoff Coe, some rights reserved (CC BY-NC-ND)
- 46. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 47. (c) cindylemon, some rights reserved (CC BY-NC), uploaded by cindylemon
- 48. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
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- 51. (c) Wayne, some rights reserved (CC BY-NC)
- 52. (c) Noel Reynolds, some rights reserved (CC BY)
- 53. (c) Justina Martelli, some rights reserved (CC BY-NC), uploaded by Justina Martelli
- 54. (c) Jim Johnson, some rights reserved (CC BY-NC-ND), uploaded by Jim Johnson
- 55. (c) Fred Hochstaedter, some rights reserved (CC BY-NC-SA)
- 56. (c) Andrew Reding, some rights reserved (CC BY-NC-ND)
- 57. (c) Alejandro Bayer Tamayo, some rights reserved (CC BY-SA)
- 58. (c) Jo De Pauw, some rights reserved (CC BY-NC), uploaded by Jo De Pauw
- 59. (c) jschweg, some rights reserved (CC BY-NC), uploaded by jschweg
- 60. (c) fiddleman, some rights reserved (CC BY-NC), uploaded by fiddleman
- 61. (c) mlhradio, some rights reserved (CC BY-NC)
- 62. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 63. (c) Rick Leche, some rights reserved (CC BY-NC)
- 64. (c) Rick Leche, some rights reserved (CC BY-NC-ND)
- 65. (c) Robert Keereweer, some rights reserved (CC BY-NC)
- 66. (c) BJ Stacey, some rights reserved (CC BY-NC), uploaded by BJ Stacey
- 67. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 68. (c) Judy Gallagher, some rights reserved (CC BY)
- 69. (c) Bernard DUPONT, some rights reserved (CC BY-SA)
- 70. (c) Bill Carrell, some rights reserved (CC BY-NC-ND), uploaded by Bill Carrell
- 71. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 72. (c) Andy Jones, some rights reserved (CC BY-NC-SA)
- 73. (c) platypus, some rights reserved (CC BY-NC)
- 74. (c) Mike's Birds, some rights reserved (CC BY-SA)
- 75. (c) Kelly Colgan Azar, some rights reserved (CC BY-ND)
- 76. (c) Bill Bouton, some rights reserved (CC BY-NC)
