Edited by Gerardo Benjamín Torres Cantú, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Roberto González, some rights reserved (CC BY-NC), uploaded by Roberto González
- 2. (c) Marcylecolt, some rights reserved (CC BY-NC), uploaded by Marcylecolt
- 3. (c) Diana-Terry Hibbitts, some rights reserved (CC BY-NC), uploaded by Diana-Terry Hibbitts
- 4. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 5. (c) Kim Hansen, some rights reserved (CC BY-SA)
- 6. (c) Chris, some rights reserved (CC BY-NC), uploaded by Chris
- 7. (c) llsproat, some rights reserved (CC BY-NC-SA)
- 8. (c) Basar, some rights reserved (CC BY-SA)
- 9. (c) Patricia Tiller, some rights reserved (CC BY-NC), uploaded by Patricia Tiller
- 10. (c) Tracey Fandre, some rights reserved (CC BY-NC-ND), uploaded by Tracey Fandre
- 11. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 12. (c) Oscar Johnson, some rights reserved (CC BY-NC-ND), uploaded by Oscar Johnson
- 13. (c) Andrej Chudý, some rights reserved (CC BY-NC-SA)
- 14. (c) platypus, some rights reserved (CC BY-NC)
- 15. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 16. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 17. (c) Heather Pickard, some rights reserved (CC BY-NC), uploaded by Heather Pickard
- 18. (c) Ad Konings, some rights reserved (CC BY-NC), uploaded by Ad Konings
- 19. (c) Marco Zozaya, some rights reserved (CC BY-NC), uploaded by Marco Zozaya
- 20. (c) Chris Harrison, some rights reserved (CC BY-NC), uploaded by Chris Harrison
- 21. (c) Richard Donaldson, some rights reserved (CC BY-NC), uploaded by Richard Donaldson
- 22. (c) Adrianh Martínez Orozco, some rights reserved (CC BY), uploaded by Adrianh Martínez Orozco
- 23. (c) Christopher Lindsey, some rights reserved (CC BY-NC), uploaded by Christopher Lindsey
- 24. (c) Bioexploradores Farallones, some rights reserved (CC BY-NC), uploaded by Bioexploradores Farallones
- 25. (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist
- 26. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 27. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 28. (c) Dario Sanches, some rights reserved (CC BY-SA)
- 29. (c) Ingrid Taylar, some rights reserved (CC BY)
- 30. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 31. (c) angel_castillo_birdingtours, some rights reserved (CC BY-NC), uploaded by angel_castillo_birdingtours
- 32. (c) Christian Nunes, some rights reserved (CC BY-NC), uploaded by Christian Nunes
- 33. (c) Steven Easley, some rights reserved (CC BY-NC), uploaded by Steven Easley
- 34. (c) joseluisblazquez, some rights reserved (CC BY-NC)
- 35. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 36. (c) Mary Keim, some rights reserved (CC BY-NC-SA)
- 37. (c) Berenice García, some rights reserved (CC BY-NC), uploaded by Berenice García
- 38. (c) Robby Deans, some rights reserved (CC BY-NC), uploaded by Robby Deans
- 39. (c) Cheryl Harleston López Espino, some rights reserved (CC BY-NC-ND), uploaded by Cheryl Harleston López Espino
- 40. (c) Daniel Ariano-Sánchez, some rights reserved (CC BY), uploaded by Daniel Ariano-Sánchez
- 41. (c) Angel Lara Brenis, some rights reserved (CC BY-NC)
- 42. (c) Pedro E. Nahuat-Cervera, some rights reserved (CC BY-NC), uploaded by Pedro E. Nahuat-Cervera
- 43. (c) Alejandro Calzada, some rights reserved (CC BY-NC), uploaded by Alejandro Calzada
- 44. (c) Isaias Morataya, some rights reserved (CC BY-NC), uploaded by Isaias Morataya
- 45. (c) Rosa Vazquez, some rights reserved (CC BY-NC), uploaded by Rosa Vazquez
- 46. (c) 2010 Sean Michael Rovito, some rights reserved (CC BY-NC-SA)
- 47. (c) Eric van den Berghe, some rights reserved (CC BY-NC), uploaded by Eric van den Berghe
- 48. (c) Josiah Townsend, some rights reserved (CC BY-NC-ND), uploaded by Josiah Townsend
- 49. (c) ric_ramirez, some rights reserved (CC BY-NC)
- 50. (c) Esaú Valdenegro-Brito, some rights reserved (CC BY-NC-SA), uploaded by Esaú Valdenegro-Brito
- 51. (c) edgardzulum, some rights reserved (CC BY-NC), uploaded by edgardzulum
- 52. (c) Jonathan Kolby, some rights reserved (CC BY-NC-ND), uploaded by Jonathan Kolby
- 53. (c) Iris Melgar, some rights reserved (CC BY-NC), uploaded by Iris Melgar
- 54. (c) Jake Scott, all rights reserved, uploaded by Jake Scott
- 55. (c) Nick, some rights reserved (CC BY-NC), uploaded by Nick
- 56. (c) Lauren Sobkoviak, some rights reserved (CC BY-NC-ND)
- 57. (c) Abel Jossafat, some rights reserved (CC BY-NC), uploaded by Abel Jossafat
- 58. (c) Cristian Olvera, some rights reserved (CC BY-NC-ND), uploaded by Cristian Olvera
- 59. (c) Iván Trinidad Ahumada Carrillo, some rights reserved (CC BY-NC), uploaded by Iván Trinidad Ahumada Carrillo
- 60. (c) La Mancha en Movimiento, some rights reserved (CC BY-NC), uploaded by La Mancha en Movimiento
- 61. (c) delmer jonathan, some rights reserved (CC BY-NC), uploaded by delmer jonathan
- 62. (c) sugey_garcia, some rights reserved (CC BY-NC), uploaded by sugey_garcia
- 63. (c) Juan Carlos, some rights reserved (CC BY-NC), uploaded by Juan Carlos
- 64. (c) Paul Steeves, some rights reserved (CC BY-NC), uploaded by Paul Steeves
- 65. (c) Daniel Pineda Vera, some rights reserved (CC BY), uploaded by Daniel Pineda Vera
- 66. (c) Lucas Leuzinger, some rights reserved (CC BY-NC), uploaded by Lucas Leuzinger
- 67. (c) Gary Robertson, some rights reserved (CC BY-NC)
- 68. (c) canopalma, some rights reserved (CC BY-NC)
- 69. (c) Mario Luis Urriola Hernández, some rights reserved (CC BY-NC), uploaded by Mario Luis Urriola Hernández
- 70. (c) Edgar Gutiérrez Díaz, some rights reserved (CC BY-NC), uploaded by Edgar Gutiérrez Díaz
- 71. (c) Helen A. Czech, some rights reserved (CC BY-NC), uploaded by Helen A. Czech
- 72. (c) Tom Murray, some rights reserved (CC BY-NC)
- 73. (c) Oregon Department of Agriculture, some rights reserved (CC BY-NC-ND)
- 74. (c) stremblay21, some rights reserved (CC BY-NC), uploaded by stremblay21
- 75. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 76. (c) lebron450, some rights reserved (CC BY-NC)
- 77. (c) Eduardo Axel Recillas Bautista, some rights reserved (CC BY-NC), uploaded by Eduardo Axel Recillas Bautista
- 78. (c) Alvesgaspar, some rights reserved (CC BY-SA)
- 79. (c) Kimberlie Sasan, some rights reserved (CC BY-ND), uploaded by Kimberlie Sasan
- 80. (c) Juan Carlos López Domínguez, some rights reserved (CC BY-NC), uploaded by Juan Carlos López Domínguez
- 81. (c) Diego Delso
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- 82. (c) Ale Türkmen, some rights reserved (CC BY-NC-SA), uploaded by Ale Türkmen
- 83. (c) lieslk, some rights reserved (CC BY-NC)
- 84. (c) Wayne Fidler, some rights reserved (CC BY-NC), uploaded by Wayne Fidler