Edited by Bernat Claramunt, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Hans-Jürgen Becker, some rights reserved (CC BY-ND)
- 2. (c) Harry Harms, some rights reserved (CC BY-NC-SA)
- 3. (c) Paul Roberts, some rights reserved (CC BY-NC)
- 4. (c) Joaquim Coelho, some rights reserved (CC BY-NC-ND)
- 5. (c) Joe McKenna, some rights reserved (CC BY-NC-SA)
- 6. (c) matt knoth, some rights reserved (CC BY-NC-ND)
- 7. (c) Didier, some rights reserved (CC BY-SA)
- 8. (c) Biopix, some rights reserved (CC BY-NC)
- 9. (c) bramblejungle, some rights reserved (CC BY-NC)
- 10. (c) Nigel Jones, some rights reserved (CC BY-NC-ND)
- 11. (c) Mick Talbot, some rights reserved (CC BY-NC-SA)
- 12. (c) Stanislav Krejčík, some rights reserved (CC BY)
- 13. (c) Rasbak, some rights reserved (CC BY-SA)
- 14. (c) Laurence Livermore, some rights reserved (CC BY-NC)
- 15. (c) Hectonichus, some rights reserved (CC BY-SA)
- 16. (c) Roberto Fontana, some rights reserved (CC BY-NC)
- 17. (c) James K. Lindsey, some rights reserved (CC BY-SA)
- 18. (c) Korall, some rights reserved (CC BY-SA)
- 19. (c) Submon.org Submon.org, some rights reserved (CC BY-NC-SA)
- 20. (c) Mircea Nita, some rights reserved (CC BY)
- 21. (c) David Perez, some rights reserved (CC BY)
- 22. (c) Loran, some rights reserved (CC BY)
- 23. (c) miracle design, some rights reserved (CC BY-ND)
- 24. (c) markus_buehler, some rights reserved (CC BY-SA)
- 25. (c) Alexandre Bourdeu, some rights reserved (CC BY-NC)
- 26. (c) Penny Mayes, some rights reserved (CC BY-NC-SA)
- 27. (c) Alican Erdogan, some rights reserved (CC BY-NC-SA)
- 28. (c) Martin Rey, some rights reserved (CC BY-NC-ND)
- 29. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
- 30. (c) J. Maughn, some rights reserved (CC BY-ND)
- 31. (c) Li-Lian Williams, some rights reserved (CC BY-NC-SA)
- 32. (c) michele molinari, some rights reserved (CC BY)
- 33. (c) Benny Trapp, some rights reserved (CC BY)
- 34. (c) Pelúo, some rights reserved (CC BY)
- 35. (c) J. Gállego, some rights reserved (CC BY-NC-SA)
- 36. (c) dubidule, some rights reserved (CC BY)
- 37. (c) Yannick Chittaro, some rights reserved (CC BY-NC-SA)
- 38. (c) Óscar Méndez, some rights reserved (CC BY-NC-ND)
- 39. (c) José María Escolano, some rights reserved (CC BY-NC-SA)
- 40. (c) Vitaliy Khustochka, some rights reserved (CC BY-NC)
- 41. (c) Marco Bertolini, some rights reserved (CC BY)
- 42. (c) Victoria Gracia, some rights reserved (CC BY-NC-SA)
- 43. (c) acherontyus, some rights reserved (CC BY-NC-ND)
- 44. (c) Trebol-a, some rights reserved (CC BY-NC-SA)
- 45. (c) Alastair Rae, some rights reserved (CC BY-SA)
- 46. (c) Tatiana Bulyonkova, some rights reserved (CC BY-NC-SA)
- 47. (c) Joan Roca, some rights reserved (CC BY-NC-ND)
- 48. (c) Sergey Yeliseev, some rights reserved (CC BY-NC-ND)
- 49. (c) Shelley & Dave, some rights reserved (CC BY-NC)
- 50. (c) Tarique Sani, some rights reserved (CC BY-NC-SA)
- 51. (c) Bob Hall, some rights reserved (CC BY-NC-ND)
- 52. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
- 53. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 54. (c) Sebastian Kruk, some rights reserved (CC BY-NC-ND)
- 55. (c) Nevit Dilmen (<span class="signature-talk">talk</span>), some rights reserved (CC BY-SA)
- 56. (c) Elsa BARTHES, some rights reserved (CC BY-ND)
- 57. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 58. (c) Rudo JureÄek, some rights reserved (CC BY-NC-SA)
- 59. (c) Isidro Vila Verde, some rights reserved (CC BY-NC)
- 60. (c) jim gifford, some rights reserved (CC BY-SA)
- 61. (c) Mark Kilner, some rights reserved (CC BY-NC-SA)
- 62. (c) Erik Jørgensen, some rights reserved (CC BY-NC-SA)
- 63. (c) Dick Daniels (http://carolinabirds.org/), some rights reserved (CC BY-SA)
- 64. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
- 65. (c) David Cook Wildlife Photography, some rights reserved (CC BY-NC)
- 66. (c) Joaquim Maceira Muchaxo, some rights reserved (CC BY-NC-ND)
- 67. (c) Dave Curtis, some rights reserved (CC BY-NC-ND)
- 68. (c) stavros karabinas from Thessaloniki, Greece, some rights reserved (CC BY)
- 69. (c) Terje Asphaug, some rights reserved (CC BY)
- 70. (c) Arturo Nikolai, some rights reserved (CC BY-NC-SA)
- 71. (c) Ãlfheiður Magnúsdóttir, some rights reserved (CC BY-NC-SA)
- 72. (c) Allan Hack, some rights reserved (CC BY-ND)
- 73. (c) Wikimedia Commons, some rights reserved (CC BY-SA)
- 74. (c) Agustín Povedano, some rights reserved (CC BY-NC-SA)
- 75. (c) derek, some rights reserved (CC BY-NC-SA)