Edited by Guillermo Santos, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) manual crank, some rights reserved (CC BY-NC-SA)
- 2. (c) Alvin Diamond, some rights reserved (CC BY-NC), uploaded by Alvin Diamond
- 3. (c) Thorsten Usée, some rights reserved (CC BY-NC), uploaded by Thorsten Usée
- 4. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 5. (c) Sandy Wolkenberg, some rights reserved (CC BY), uploaded by Sandy Wolkenberg
- 6. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 7. (c) Alvesgaspar, some rights reserved (CC BY-SA)
- 8. (c) rsalgadogarciglia, some rights reserved (CC BY-NC), uploaded by rsalgadogarciglia
- 9. (c) chauyl, some rights reserved (CC BY-NC), uploaded by chauyl
- 10. (c) berdejo, some rights reserved (CC BY-NC)
- 11. (c) Andy Fyon, some rights reserved (CC BY-NC), uploaded by Andy Fyon
- 12. (c) Chris Parker, some rights reserved (CC BY-ND)
- 13. (c) Patrick Hacker, some rights reserved (CC BY), uploaded by Patrick Hacker
- 14. (c) Chris Cook, some rights reserved (CC BY-NC), uploaded by Chris Cook
- 15. (c) Michael Bakker Paiva, some rights reserved (CC BY), uploaded by Michael Bakker Paiva
- 16. (c) Cheng-Tao Lin, some rights reserved (CC BY), uploaded by Cheng-Tao Lin
- 17. (c) Randi Hausken, some rights reserved (CC BY-NC)
- 18. (c) Ricarda Bergen, some rights reserved (CC BY-NC), uploaded by Ricarda Bergen
- 19. (c) Almantas Kulbis, some rights reserved (CC BY-NC), uploaded by Almantas Kulbis
- 20. (c) Nuytsia@Tas, some rights reserved (CC BY-NC-SA)
- 21. (c) S. Rae, some rights reserved (CC BY)
- 22. (c) chickadeeclean, some rights reserved (CC BY-NC)
- 23. (c) Jorge Anjos Goncalves, some rights reserved (CC BY-NC), uploaded by Jorge Anjos Goncalves
- 24. (c) Darin J McGuire, some rights reserved (CC BY), uploaded by Darin J McGuire
- 25. (c) susannew, some rights reserved (CC BY-NC)
- 26. (c) mjpapay, some rights reserved (CC BY), uploaded by mjpapay
- 27. (c) Mauricio Mercadante, some rights reserved (CC BY-NC-SA)
- 28. (c) Gilles San Martin, some rights reserved (CC BY-SA), uploaded by Gilles San Martin
- 29. (c) Valter Jacinto, some rights reserved (CC BY-NC-SA)
- 30. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
- 31. (c) Maria Wheeler-Dubas, some rights reserved (CC BY-NC), uploaded by Maria Wheeler-Dubas
- 32. (c) António Pena, some rights reserved (CC BY-NC-SA)
- 33. (c) stremblay21, some rights reserved (CC BY-NC), uploaded by stremblay21
- 34. (c) Wolfgang Jauch, some rights reserved (CC BY), uploaded by Wolfgang Jauch
- 35. (c) Bjarke Schäfer, some rights reserved (CC BY-NC), uploaded by Bjarke Schäfer
- 36. (c) Alexander Baransky, some rights reserved (CC BY-NC), uploaded by Alexander Baransky
- 37. (c) George F Mayfield, some rights reserved (CC BY-SA)
- 38. (c) Gertjan van Noord, some rights reserved (CC BY-ND)
- 39. (c) Jenny Glenn, some rights reserved (CC BY-NC), uploaded by Jenny Glenn
- 40. (c) dloarie, some rights reserved (CC BY), uploaded by dloarie
- 41. (c) Reiner Richter, some rights reserved (CC BY-NC-SA), uploaded by Reiner Richter
- 42. (c) Phil Sellens, some rights reserved (CC BY)
- 43. (c) Marion Zöller, some rights reserved (CC BY-NC), uploaded by Marion Zöller
- 44. (c) Bernhard Fischer, some rights reserved (CC BY-NC), uploaded by Bernhard Fischer
- 45. (c) Jc (et parfois Ginie), some rights reserved (CC BY-NC-ND)
- 46. (c) Drepanostoma, some rights reserved (CC BY-NC), uploaded by Drepanostoma
- 47. (c) pucak, some rights reserved (CC BY-ND), uploaded by pucak
- 48. (c) Udo Schmidt, some rights reserved (CC BY-SA)
- 49. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 50. (c) Paul Reeves, some rights reserved (CC BY-NC-SA), uploaded by Paul Reeves
- 51. (c) Thomas Mesaglio, some rights reserved (CC BY), uploaded by Thomas Mesaglio
- 52. (c) SABENCIA Guillermo César Ruiz, some rights reserved (CC BY-SA)
- 53. (c) Traci, some rights reserved (CC BY-NC), uploaded by Traci
- 54. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 55. (c) Andrea Kreuzhage, some rights reserved (CC BY-NC), uploaded by Andrea Kreuzhage
- 56. (c) Salomé, some rights reserved (CC BY-NC-SA)
- 57. (c) Liu JimFood, some rights reserved (CC BY-NC), uploaded by Liu JimFood
- 58. (c) Jorge Calvo Yuste, some rights reserved (CC BY-NC), uploaded by Jorge Calvo Yuste
- 59. (c) Fabien Piednoir, some rights reserved (CC BY-SA), uploaded by Fabien Piednoir
- 60. (c) Anita, some rights reserved (CC BY-NC-SA)
- 61. (c) Pedro Beja, some rights reserved (CC BY-NC), uploaded by Pedro Beja
- 62. (c) Jon Sullivan, some rights reserved (CC BY)
- 63. (c) Frank Mayfield, some rights reserved (CC BY-SA)
- 64. (c) Tony Rebelo, some rights reserved (CC BY-SA), uploaded by Tony Rebelo
- 65. (c) jim_keesling, some rights reserved (CC BY-NC), uploaded by jim_keesling
- 66. (c) ishaip, some rights reserved (CC BY-SA)
- 67. (c) S BV, some rights reserved (CC BY-NC-SA)
- 68. (c) waen ♡, some rights reserved (CC BY-NC-ND)
- 69. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
- 70. (c) Philip Bouchard, some rights reserved (CC BY-NC-ND)
- 71. (c) Roberto R. Calderón, some rights reserved (CC BY-NC), uploaded by Roberto R. Calderón
- 72. (c) Anne Parsons, some rights reserved (CC BY-NC), uploaded by Anne Parsons
- 73. (c) Anton Gjeldum, some rights reserved (CC BY-NC), uploaded by Anton Gjeldum
- 74. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
- 75. (c) Squeezeweasel, some rights reserved (CC BY-SA)
- 76. (c) Matthieu Gauvain, some rights reserved (CC BY-NC), uploaded by Matthieu Gauvain
- 77. (c) Peter O'Connor, some rights reserved (CC BY-SA)
- 78. (c) ebott, some rights reserved (CC BY-NC), uploaded by ebott
- 79. (c) Katja Schulz, some rights reserved (CC BY)
- 80. (c) Sara Rall, some rights reserved (CC BY-NC), uploaded by Sara Rall
- 81. no rights reserved
- 82. (c) Lauren Glevanik, some rights reserved (CC BY-NC), uploaded by Lauren Glevanik
- 83. (c) Carminda Santos, some rights reserved (CC BY), uploaded by Carminda Santos
- 84. (c) Rob Palmer, some rights reserved (CC BY-NC-SA), uploaded by Rob Palmer
- 85. (c) Grahame, some rights reserved (CC BY-NC-ND), uploaded by Grahame
- 86. (c) dlbowls, some rights reserved (CC BY-NC), uploaded by dlbowls
- 87. (c) Angelo Amboldi, some rights reserved (CC BY-NC-ND)
- 88. (c) birderbb, some rights reserved (CC BY-NC), uploaded by birderbb
- 89. (c) Felipe Castilla Lattke, some rights reserved (CC BY-NC), uploaded by Felipe Castilla Lattke
- 90. (c) Colin, some rights reserved (CC BY-NC-ND)
- 91. (c) alexisberry, some rights reserved (CC BY-NC)
- 92. (c) Alexis, some rights reserved (CC BY), uploaded by Alexis
- 93. (c) Steve Van de Voorde, some rights reserved (CC BY-NC), uploaded by Steve Van de Voorde
- 94. (c) charley, some rights reserved (CC BY-NC), uploaded by charley
