Edited by Scott Loarie, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Carol Foil, some rights reserved (CC BY-NC-ND)
- 2. (c) leppyone, some rights reserved (CC BY)
- 3. (c) jim gifford, some rights reserved (CC BY-SA)
- 4. (c) Kent Miller, some rights reserved (CC BY-ND), uploaded by Kent Miller
- 5. (c) Dario Sanches, some rights reserved (CC BY-SA)
- 6. (c) Cláudio Dias Timm, some rights reserved (CC BY-NC-SA)
- 7. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
- 8. (c) Brian Ralphs, some rights reserved (CC BY)
- 9. (c) David Cook, some rights reserved (CC BY-NC)
- 10. (c) Charlesjsharp, some rights reserved (CC BY-SA)
- 11. (c) Scott Bowers, some rights reserved (CC BY-NC)
- 12. (c) Michael Woodruff, some rights reserved (CC BY-SA)
- 13. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 14. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 15. in Alcide Dessalines d'Orbigny, no known copyright restrictions (public domain)
- 16. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 17. (c) Sergey Pisarevskiy, some rights reserved (CC BY-NC-SA)
- 18. (c) Dominic Sherony, some rights reserved (CC BY-SA)
- 19. (c) Gustavo Durán, some rights reserved (CC BY-NC-SA)
- 20. (c) Craig Elliott, some rights reserved (CC BY-NC-SA)
- 21. (c) Geoff Coe, some rights reserved (CC BY-NC-ND)
- 22. (c) Nick Chill, some rights reserved (CC BY-NC-SA)
- 23. (c) Ferran Pestaña, some rights reserved (CC BY-SA)
- 24. (c) barloventomagico, some rights reserved (CC BY-NC-ND)
- 25. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 26. (c) Dan Dzurisin, some rights reserved (CC BY-NC-ND)
- 27. (c) Shanthanu Bhardwaj, some rights reserved (CC BY-SA)
- 28. (c) Gidzy, some rights reserved (CC BY)
- 29. (c) Erin and Lance Willett, some rights reserved (CC BY-NC-ND)
- 30. (c) Avda, some rights reserved (CC BY-SA)
- 31. (c) Ben Tullis, some rights reserved (CC BY)
- 32. (c) Vince Smith, some rights reserved (CC BY-NC-SA)
- 33. (c) Muchaxo, some rights reserved (CC BY-NC-ND)
- 34. (c) Dick Culbert, some rights reserved (CC BY)
- 35. (c) Tor Egil Høgsås, some rights reserved (CC BY)
- 36. (c) Flavio Camus, some rights reserved (CC BY-NC)
- 37. Joseph Wolf, no known copyright restrictions (public domain)
- 38. (c) joel rosenthal, some rights reserved (CC BY)
- 39. (c) David Cook Wildlife Photography, some rights reserved (CC BY-NC)
- 40. (c) Dario Sanches, some rights reserved (CC BY-NC-SA)
- 41. (c) Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Birds, some rights reserved (CC BY-NC-SA)
- 42. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 43. (c) Nazareno98, some rights reserved (CC BY-SA)
- 44. (c) Nathan Rupert, some rights reserved (CC BY-NC-ND)