Edited by Charlotte Kirchner, scienceco_sb, and dougiewainwright, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Luis P. B., some rights reserved (CC BY-NC), uploaded by Luis P. B.
- 2. (c) Fernando Olea, some rights reserved (CC BY-NC), uploaded by Fernando Olea
- 3. (c) azure27014, some rights reserved (CC BY-NC)
- 4. (c) Nigel Marsh, some rights reserved (CC BY-NC), uploaded by Nigel Marsh
- 5. (c) Artie Kopelman, some rights reserved (CC BY-NC-ND)
- 6. (c) Oliver Komar, some rights reserved (CC BY-NC), uploaded by Oliver Komar
- 7. (c) Wayne and Pam Osborn, some rights reserved (CC BY-NC), uploaded by Wayne and Pam Osborn
- 8. (c) Sergio Martínez, some rights reserved (CC BY-NC), uploaded by Sergio Martínez
- 9. (c) A Emmerson, some rights reserved (CC BY-NC), uploaded by A Emmerson
- 10. (c) dnoby, some rights reserved (CC BY-NC)
- 11. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 12. (c) Cyril di Bisceglie, some rights reserved (CC BY-SA)
- 13. (c) Rafael de la Parra, some rights reserved (CC BY-NC), uploaded by Rafael de la Parra
- 14. (c) Juanma Carrillo, some rights reserved (CC BY-NC-SA)
- 15. (c) Alexandre Roux, some rights reserved (CC BY-NC), uploaded by Alexandre Roux
- 16. (c) Titouan Roguet, all rights reserved, uploaded by Titouan Roguet
- 17. (c) Luca Boscain, some rights reserved (CC BY-NC), uploaded by Luca Boscain
- 18. (c) martinmoscovich, some rights reserved (CC BY-NC)
- 19. (c) aleyna_rod, some rights reserved (CC BY-NC)
- 20. (c) Ana Ferro, some rights reserved (CC BY-NC), uploaded by Ana Ferro
- 21. (c) whodden, some rights reserved (CC BY-NC), uploaded by whodden
- 22. (c) Rino, some rights reserved (CC BY-NC), uploaded by Rino
- 23. (c) Izuzuki, some rights reserved (CC BY-SA)
- 24. (c) Kevin Bryant, some rights reserved (CC BY-NC-SA)
- 25. (c) luismartinezartola, some rights reserved (CC BY-NC)
- 26. (c) Dennis Rabeling, some rights reserved (CC BY-NC-ND), uploaded by Dennis Rabeling
- 27. (c)
Williams, J. T.; Carpenter, K. E.; Van Tassell, J. L.; Hoetjes, P.; Toller, W.; Etnoyer, P.; Smith, M., some rights reserved (CC BY)
- 28. (c) Sylvain Le Bris, some rights reserved (CC BY-NC), uploaded by Sylvain Le Bris
- 29. (c) Philippe Guillaume, some rights reserved (CC BY)
- 30. (c) Gustavo F. de Carvalho-Souza, some rights reserved (CC BY-NC), uploaded by Gustavo F. de Carvalho-Souza
- 31. (c) Karim Haddad, some rights reserved (CC BY), uploaded by Karim Haddad
- 32. (c) Thomas Menut, some rights reserved (CC BY-NC), uploaded by Thomas Menut
- 33. (c) Fran Martín de la Sierra, some rights reserved (CC BY-NC-ND)
- 34. (c) Mark McGrouther, some rights reserved (CC BY-NC), uploaded by Mark McGrouther
- 35. (c) Alfiero Brisotto, some rights reserved (CC BY-NC-SA)
- 36. (c) Rachel Andres-Beck, some rights reserved (CC BY-NC), uploaded by Rachel Andres-Beck
- 37. (c) ajurado, some rights reserved (CC BY-NC)
- 38. (c) Gonzalo Mucientes Sandoval, some rights reserved (CC BY-NC-SA), uploaded by Gonzalo Mucientes Sandoval
- 39. (c) Ken Graham, some rights reserved (CC BY-NC), uploaded by Ken Graham
- 40. (c) Julien Renoult, some rights reserved (CC BY), uploaded by Julien Renoult
- 41. (c) Flávio Mendes, some rights reserved (CC BY-NC), uploaded by Flávio Mendes
- 42. (c) belen_caro, some rights reserved (CC BY-NC), uploaded by belen_caro
- 43. (c) Samuel Iglesias, some rights reserved (CC BY-NC), uploaded by Samuel Iglesias
- 44. (c) Mark Rosenstein, some rights reserved (CC BY-NC)
- 45. (c) jguallart, some rights reserved (CC BY-NC)
- 46. (c) heliastes21, some rights reserved (CC BY-NC), uploaded by heliastes21
- 47. (c) Fernando Losada Rodríguez, some rights reserved (CC BY-SA)
- 48. (c) Antoni López-Arenas i Cama, some rights reserved (CC BY-NC), uploaded by Antoni López-Arenas i Cama
- 49. (c) Bernat Garrigós, some rights reserved (CC BY-NC), uploaded by Bernat Garrigós
- 50. no rights reserved, uploaded by henrya
- 51. (c) Roberto Pillon, some rights reserved (CC BY-NC), uploaded by Roberto Pillon
- 52. (c) josepvilanova, some rights reserved (CC BY-NC), uploaded by josepvilanova
