Edited by Diego Barrales, and Juan Carlos López Domínguez, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) tex-anne, some rights reserved (CC BY-NC), uploaded by tex-anne
- 2. (c) Aurelio Molina Hernández., some rights reserved (CC BY-NC), uploaded by Aurelio Molina Hernández.
- 3. (c) Diana-Terry Hibbitts, some rights reserved (CC BY-NC), uploaded by Diana-Terry Hibbitts
- 4. (c) Carlos G Velazco-Macias, some rights reserved (CC BY-NC), uploaded by Carlos G Velazco-Macias
- 5. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 6. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 7. (c) Cheryl Harleston López Espino, some rights reserved (CC BY-NC-ND), uploaded by Cheryl Harleston López Espino
- 8. (c) Mary Keim, some rights reserved (CC BY-NC-SA)
- 9. (c) Matt Lerow, some rights reserved (CC BY)
- 10. (c) Bob Peterson, some rights reserved (CC BY-SA)
- 11. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 12. (c) Francisco Farriols Sarabia, some rights reserved (CC BY), uploaded by Francisco Farriols Sarabia
- 13. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 14. (c) bramblejungle, some rights reserved (CC BY-NC)
- 15. (c) Stylurus, some rights reserved (CC BY-NC-SA)
- 16. (c) wanderingnome, some rights reserved (CC BY-NC-ND)
- 17. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 18. (c) copper, some rights reserved (CC BY-NC), uploaded by copper
- 19. (c) Eduardo Axel Recillas Bautista, some rights reserved (CC BY-NC), uploaded by Eduardo Axel Recillas Bautista
- 20. (c) krancmm, some rights reserved (CC BY-NC), uploaded by krancmm
- 21. (c) djhiker, some rights reserved (CC BY-NC), uploaded by djhiker
- 22. (c) Gilberto Ponce Tejeda, some rights reserved (CC BY-NC), uploaded by Gilberto Ponce Tejeda
- 23. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
- 24. (c) John Flannery, some rights reserved (CC BY-SA)
- 25. (c) John Flannery, some rights reserved (CC BY-ND)
- 26. (c) DZ Butterflies, some rights reserved (CC BY-NC-SA)
- 27. (c) Gustavo Durán, some rights reserved (CC BY-NC-SA)
- 28. (c) Andres Hernandez S., some rights reserved (CC BY-NC-SA)
- 29. (c) conabio_bancodeimagenes, some rights reserved (CC BY-NC-ND), uploaded by conabio_bancodeimagenes
- 30. (c) Leslie Flint, some rights reserved (CC BY-NC), uploaded by Leslie Flint
- 31. (c) Katja Schulz, some rights reserved (CC BY)
- 32. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 33. (c) Jenn Forman Orth, some rights reserved (CC BY-NC-SA)
- 34. (c) Erick Noe Tapia Banda, some rights reserved (CC BY-NC), uploaded by Erick Noe Tapia Banda
- 35. (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block
- 36. (c) Richard Joyce, some rights reserved (CC BY-NC), uploaded by Richard Joyce
- 37. (c) Theresa Bayoud, all rights reserved, uploaded by Theresa Bayoud
- 38. (c) Fyn Kynd, some rights reserved (CC BY-SA), uploaded by Fyn Kynd
- 39. no rights reserved, uploaded by Jesse Rorabaugh
- 40. (c) Ronnie Pitman, some rights reserved (CC BY-NC)
- 41. (c) mlhradio, some rights reserved (CC BY-NC)
- 42. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 43. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 44. (c) AJC1, some rights reserved (CC BY-SA)
- 45. (c) Laura Gaudette, some rights reserved (CC BY), uploaded by Laura Gaudette
- 46. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 47. (c) Steve Kerr, some rights reserved (CC BY), uploaded by Steve Kerr
- 48. (c) Eric Knopf, some rights reserved (CC BY-NC), uploaded by Eric Knopf
- 49. (c) FRANCISCO MIGUEL FARRIOLS ESTRADA, some rights reserved (CC BY-NC), uploaded by FRANCISCO MIGUEL FARRIOLS ESTRADA
- 50. (c) R.E.Llanos, some rights reserved (CC BY-NC-SA), uploaded by R.E.Llanos
- 51. (c) shirdipam, some rights reserved (CC BY-NC), uploaded by shirdipam
- 52. (c) Miranda85, some rights reserved (CC BY-NC), uploaded by Miranda85