Edited by Hugo Efraín Garzón Castrillón, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Mark Peck, some rights reserved (CC BY-NC-SA)
- 2. (c) Oswaldo Hernández, some rights reserved (CC BY-NC), uploaded by Oswaldo Hernández
- 3. (c) Roberto González, some rights reserved (CC BY-NC), uploaded by Roberto González
- 4. (c) Mike Allen, some rights reserved (CC BY-NC-SA)
- 5. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 6. (c) Cullen Hanks, some rights reserved (CC BY-NC), uploaded by Cullen Hanks
- 7. (c) Константин Самодуров, some rights reserved (CC BY-NC), uploaded by Константин Самодуров
- 8. (c) Paul Fenwick, some rights reserved (CC BY-NC), uploaded by Paul Fenwick
- 9. (c) Diego Caballero, some rights reserved (CC BY-NC), uploaded by Diego Caballero
- 10. (c) Wagner Machado Carlos Lemes, some rights reserved (CC BY)
- 11. (c) Luiz Carlos Rocha, some rights reserved (CC BY-SA)
- 12. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 13. (c) Jamie Drake, some rights reserved (CC BY-NC-SA)
- 14. (c) llsproat, some rights reserved (CC BY-NC-SA)
- 15. (c) Nicolas Mazzini, some rights reserved (CC BY-NC), uploaded by Nicolas Mazzini
- 16. (c) Bill Carrell, some rights reserved (CC BY-NC-ND), uploaded by Bill Carrell
- 17. (c) Andy Pearce 🕊, some rights reserved (CC BY-NC), uploaded by Andy Pearce 🕊
- 18. (c) Ricardo Arredondo T., some rights reserved (CC BY-NC), uploaded by Ricardo Arredondo T.
- 19. (c) Cláudio Dias Timm, some rights reserved (CC BY-NC-SA)
- 20. (c) Ad Konings, some rights reserved (CC BY-NC), uploaded by Ad Konings
- 21. (c) Arley Vargas, some rights reserved (CC BY-NC-ND)
- 22. (c) Dave Curtis, some rights reserved (CC BY-NC-ND)
- 23. (c) Dominic Sherony, some rights reserved (CC BY-SA)
- 24. (c) Joseph C Boone, some rights reserved (CC BY-SA)
- 25. (c) mlhradio, some rights reserved (CC BY-NC)
- 26. (c) Gabriel Camilo Jaramillo Giraldo, some rights reserved (CC BY-NC-SA), uploaded by Gabriel Camilo Jaramillo Giraldo
- 27. (c) Frans Vandewalle, some rights reserved (CC BY-NC)
- 28. (c) Bernard DUPONT, some rights reserved (CC BY-SA)
- 29. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 30. (c) Bird Explorers, some rights reserved (CC BY-NC), uploaded by Bird Explorers
- 31. (c) Andrej Chudý, some rights reserved (CC BY-NC-SA)
- 32. (c) Peter Bono, some rights reserved (CC BY-NC-SA)
- 33. (c) Steven Easley, some rights reserved (CC BY-NC), uploaded by Steven Easley
- 34. (c) Sebastián Lescano, some rights reserved (CC BY-NC), uploaded by Sebastián Lescano
- 35. (c) Juan Emilio, some rights reserved (CC BY-SA)
- 36. (c) Christoph Moning, some rights reserved (CC BY), uploaded by Christoph Moning
- 37. (c) Santi MD, some rights reserved (CC BY-NC), uploaded by Santi MD
- 38. (c) Scott Bowers, some rights reserved (CC BY-NC), uploaded by Scott Bowers
- 39. (c) gabovinasco1, some rights reserved (CC BY-NC)
- 40. (c) barloventomagico, some rights reserved (CC BY-NC-ND)
- 41. (c) Carlos F Rodríguez, some rights reserved (CC BY-NC), uploaded by Carlos F Rodríguez
- 42. (c) David Cook, some rights reserved (CC BY-NC)
- 43. (c) Mauricio Mercadante, some rights reserved (CC BY-NC-SA)
- 44. (c) Michael E Drummond, some rights reserved (CC BY-NC), uploaded by Michael E Drummond
- 45. (c) Gordon Karre, some rights reserved (CC BY-NC), uploaded by Gordon Karre
- 46. (c) Francisco Carlos Calderòn Bocanegra, some rights reserved (CC BY-NC-SA)
- 47. (c) Guillermo O., some rights reserved (CC BY-NC), uploaded by Guillermo O.
- 48. (c) Brennan Moore, some rights reserved (CC BY-NC), uploaded by Brennan Moore
- 49. no rights reserved, uploaded by Diego Carús
- 50. (c) Josh Vandermeulen, some rights reserved (CC BY-NC-ND), uploaded by Josh Vandermeulen
- 51. (c) Félix Uribe, some rights reserved (CC BY-SA)
- 52. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 53. (c) David Cook Wildlife Photography, some rights reserved (CC BY-NC)
- 54. (c) Paul Joyce, some rights reserved (CC BY-NC)
- 55. (c) Dario Sanches, some rights reserved (CC BY-SA)
- 56. (c) eduardovieira17, some rights reserved (CC BY-NC), uploaded by eduardovieira17
- 57. (c) Aralcal, some rights reserved (CC BY-SA)
- 58. (c) Carmelo López Abad, some rights reserved (CC BY-NC), uploaded by Carmelo López Abad
- 59. (c) Leyn Castro-Vásquez, some rights reserved (CC BY-NC-ND), uploaded by Leyn Castro-Vásquez
- 60. (c) Christopher Lindsey, some rights reserved (CC BY-NC), uploaded by Christopher Lindsey
- 61. (c) Thomas Stromberg, some rights reserved (CC BY-NC)
- 62. (c) Joanne Muis Redwood, some rights reserved (CC BY-NC), uploaded by Joanne Muis Redwood
- 63. (c) jonathancoley, some rights reserved (CC BY-NC)
- 64. (c) Luis G Restrepo, some rights reserved (CC BY-NC), uploaded by Luis G Restrepo
- 65. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 66. (c) Ronald Navarrete, some rights reserved (CC BY-NC), uploaded by Ronald Navarrete
- 67. (c) David Monroy R, some rights reserved (CC BY-NC), uploaded by David Monroy R
- 68. (c) Tom Murray, some rights reserved (CC BY-NC), uploaded by Tom Murray
- 69. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 70. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 71. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 72. (c) Rafael Rodríguez Brito, some rights reserved (CC BY-NC), uploaded by Rafael Rodríguez Brito
- 73. (c) Jack Wolf, some rights reserved (CC BY-ND)