Edited by Diego Balbuena, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Rick Leche - Photography, some rights reserved (CC BY-NC-ND)
- 2. (c) Justyn Stahl, some rights reserved (CC BY-NC), uploaded by Justyn Stahl
- 3. (c) Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Birds, some rights reserved (CC BY-NC-SA)
- 4. (c) Daniel Hinckley, some rights reserved (CC BY-NC-ND)
- 5. (c) Rudy Gelis, all rights reserved, uploaded by Rudy Gelis
- 6. (c) Cláudio Dias Timm, some rights reserved (CC BY-NC-SA)
- 7. (c) Edwin Harvey, some rights reserved (CC BY-NC-SA)
- 8. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 9. (c) frank wouters, some rights reserved (CC BY)
- 10. (c) Joe MDO, some rights reserved (CC BY-NC), uploaded by Joe MDO
- 11. (c) rbbrummitt, some rights reserved (CC BY-NC), uploaded by rbbrummitt
- 12. (c) Cullen Hanks, some rights reserved (CC BY-NC), uploaded by Cullen Hanks
- 13. (c) Alejandro Bayer Tamayo, some rights reserved (CC BY-SA)
- 14. (c) Rosabel Miro, some rights reserved (CC BY-NC), uploaded by Rosabel Miro
- 15. (c) barloventomagico, some rights reserved (CC BY-NC-ND)
- 16. (c) upupamartin, some rights reserved (CC BY-NC-ND), uploaded by upupamartin
- 17. (c) joule_e, some rights reserved (CC BY-NC-SA)
- 18. (c) joseramirosanchez, some rights reserved (CC BY-NC)
- 19. (c) Carmelo López Abad, some rights reserved (CC BY-NC), uploaded by Carmelo López Abad
- 20. (c) David Cook Wildlife Photography, some rights reserved (CC BY-NC)
- 21. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 22. (c) lenoreatwood, some rights reserved (CC BY-NC)
- 23. (c) Francisco Farriols Sarabia, some rights reserved (CC BY), uploaded by Francisco Farriols Sarabia
- 24. (c) Ron Knight, some rights reserved (CC BY)
- 25. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 26. (c) Leandro Alvarez, some rights reserved (CC BY-NC-SA), uploaded by Leandro Alvarez