Edited by Juan Carlos López Domínguez, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Roberto González, some rights reserved (CC BY-NC), uploaded by Roberto González
- 2. (c) iturriagal, some rights reserved (CC BY-NC-ND), uploaded by iturriagal
- 3. (c) Diana-Terry Hibbitts, some rights reserved (CC BY-NC), uploaded by Diana-Terry Hibbitts
- 4. (c) Edson Guilherme, some rights reserved (CC BY-NC), uploaded by Edson Guilherme
- 5. (c) mattecasti, some rights reserved (CC BY-NC)
- 6. (c) Isidro Vila Verde, some rights reserved (CC BY-NC)
- 7. (c) Roberto R. Calderón, some rights reserved (CC BY-NC), uploaded by Roberto R. Calderón
- 8. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 9. (c) fabiomanfredini, some rights reserved (CC BY-NC), uploaded by fabiomanfredini
- 10. (c) Steve Bentsen, some rights reserved (CC BY-NC), uploaded by Steve Bentsen
- 11. (c) Chris, some rights reserved (CC BY-NC), uploaded by Chris
- 12. (c) Jonathan Eisen, some rights reserved (CC BY), uploaded by Jonathan Eisen
- 13. (c) Luis Guillermo, some rights reserved (CC BY-NC), uploaded by Luis Guillermo
- 14. (c) johnmeikle, some rights reserved (CC BY-NC), uploaded by johnmeikle
- 15. (c) Seig, some rights reserved (CC BY-NC), uploaded by Seig
- 16. (c) llsproat, some rights reserved (CC BY-NC-SA)
- 17. (c) MARMAR, some rights reserved (CC BY-NC), uploaded by MARMAR
- 18. (c) Pete Followill, some rights reserved (CC BY-NC), uploaded by Pete Followill
- 19. (c) Daniel Alexander Carrillo Mtz, some rights reserved (CC BY-NC)
- 20. no rights reserved, uploaded by Kyle Nessen
- 21. (c) Scott Buckel, some rights reserved (CC BY-NC), uploaded by Scott Buckel
- 22. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 23. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 24. (c) Will Richardson, some rights reserved (CC BY-NC), uploaded by Will Richardson
- 25. (c) Andy Pearce 🕊, some rights reserved (CC BY-NC), uploaded by Andy Pearce 🕊
- 26. (c) world_lineage, some rights reserved (CC BY-NC), uploaded by world_lineage
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- 28. (c) Robin Horn, some rights reserved (CC BY-NC-ND)
- 29. (c) Bernard DUPONT, some rights reserved (CC BY-SA)
- 30. (c) Kyle Tansley, some rights reserved (CC BY-NC), uploaded by Kyle Tansley
- 31. (c) TVASQUEZ, some rights reserved (CC BY-NC), uploaded by TVASQUEZ
- 32. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 33. (c) Francisco Dubón, some rights reserved (CC BY-NC), uploaded by Francisco Dubón
- 34. (c) Andy Jones, some rights reserved (CC BY-NC-SA)
- 35. (c) Pedro D. Yuit Mex, some rights reserved (CC BY-NC), uploaded by Pedro D. Yuit Mex
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- 37. (c) Maris Pukitis, some rights reserved (CC BY-NC-SA)
- 38. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 39. (c) JanetandPhil, some rights reserved (CC BY-NC-ND)
- 40. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 41. (c) franjero0508, some rights reserved (CC BY-NC)
- 42. (c) Josh Vandermeulen, some rights reserved (CC BY-NC-ND), uploaded by Josh Vandermeulen
- 43. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 44. (c) Heather Pickard, some rights reserved (CC BY-NC), uploaded by Heather Pickard
- 45. (c) Ad Konings, some rights reserved (CC BY-NC), uploaded by Ad Konings
- 46. (c) Balaji Devarajan, some rights reserved (CC BY-NC), uploaded by Balaji Devarajan
- 47. (c) Gareth Rasberry, some rights reserved (CC BY-SA)
- 48. (c) guyincognito, some rights reserved (CC BY-NC), uploaded by guyincognito
- 49. (c) Adrianh Martínez Orozco, some rights reserved (CC BY), uploaded by Adrianh Martínez Orozco
- 50. (c) rene_vela, some rights reserved (CC BY-NC), uploaded by rene_vela
- 51. (c) barloventomagico, some rights reserved (CC BY-NC-ND)
- 52. (c) Jim Johnson, some rights reserved (CC BY-NC-ND), uploaded by Jim Johnson
- 53. (c) Christopher Lindsey, some rights reserved (CC BY-NC), uploaded by Christopher Lindsey
- 54. (c) Ximo Galarza, some rights reserved (CC BY-NC-SA)
- 55. (c) Tom Benson, some rights reserved (CC BY-NC-ND)
- 56. (c) robirdman, some rights reserved (CC BY-NC), uploaded by robirdman
- 57. (c) Laura Gooch, some rights reserved (CC BY-NC-SA)
- 58. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 59. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 60. (c) Dario Sanches, some rights reserved (CC BY-SA)
- 61. (c) Ingrid Taylar, some rights reserved (CC BY)
- 62. (c) angel_castillo_birdingtours, some rights reserved (CC BY-NC), uploaded by angel_castillo_birdingtours
- 63. (c) Christian Nunes, some rights reserved (CC BY-NC), uploaded by Christian Nunes
- 64. (c) joseluisblazquez, some rights reserved (CC BY-NC)
- 65. (c) David Chernack, some rights reserved (CC BY-NC), uploaded by David Chernack
- 66. (c) Jason Headley, some rights reserved (CC BY-NC), uploaded by Jason Headley
- 67. (c) Tonny Rios, some rights reserved (CC BY-NC), uploaded by Tonny Rios
- 68. (c) Sergey Yeliseev, some rights reserved (CC BY-NC-ND)
- 69. (c) Zane Shantz, some rights reserved (CC BY-NC-ND), uploaded by Zane Shantz
- 70. (c) Rafael Rodríguez Brito, some rights reserved (CC BY-NC), uploaded by Rafael Rodríguez Brito
- 71. (c) edporopat, some rights reserved (CC BY-NC), uploaded by edporopat
- 72. (c) Warren Cronan, some rights reserved (CC BY-NC), uploaded by Warren Cronan
- 73. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 74. (c) Carlos Sanchez, some rights reserved (CC BY-NC), uploaded by Carlos Sanchez
- 75. (c) A Emmerson, some rights reserved (CC BY-NC), uploaded by A Emmerson
- 76. (c) Dmitry Mozzherin, some rights reserved (CC BY-NC-SA)
- 77. (c) Rich Kostecke, some rights reserved (CC BY-NC), uploaded by Rich Kostecke
- 78. (c) Dominic Sherony, some rights reserved (CC BY-SA)
- 79. (c) avocat, some rights reserved (CC BY-NC), uploaded by avocat