Edited by Renata Leite Pitman, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
- 2. (c) molanic, some rights reserved (CC BY-NC), uploaded by molanic
- 3. (c) psweet, some rights reserved (CC BY-SA), uploaded by psweet
- 4. (c) Matthew O'Donnell, some rights reserved (CC BY-NC-SA), uploaded by Matthew O'Donnell
- 5. (c) Erik Attaway, some rights reserved (CC BY-NC), uploaded by Erik Attaway
- 6. (c) Even Dankowicz, some rights reserved (CC BY), uploaded by Even Dankowicz
- 7. (c) Katja Schulz, some rights reserved (CC BY)
- 8. (c) Royal Tyler, some rights reserved (CC BY-NC-SA), uploaded by Royal Tyler
- 9. (c) Michael Schmidt, some rights reserved (CC BY-NC-SA)
- 10. (c) 104860852614073572279, some rights reserved (CC BY-NC-SA), uploaded by 104860852614073572279
- 11. (c) Kurt Andreas, some rights reserved (CC BY-NC-SA)
- 12. (c) Don Sutherland, some rights reserved (CC BY-NC), uploaded by Don Sutherland
- 13. (c) Lorin Timaeus, some rights reserved (CC BY), uploaded by Lorin Timaeus
- 14. (c) James Shelton, some rights reserved (CC BY-NC-SA), uploaded by James Shelton
- 15. (c) Judy Gallagher, some rights reserved (CC BY), uploaded by Judy Gallagher
- 16. (c) Anita Gould, some rights reserved (CC BY-NC), uploaded by Anita Gould
- 17. (c) Ivan Pancic, some rights reserved (CC BY-NC), uploaded by Ivan Pancic
- 18. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 19. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 20. (c) Walwyn, some rights reserved (CC BY-NC-SA)
- 21. (c) Marcello Consolo, some rights reserved (CC BY-NC-SA)
- 22. (c) Lee Elliott, some rights reserved (CC BY-NC-SA), uploaded by Lee Elliott
- 23. (c) David Cappaert, some rights reserved (CC BY-NC), uploaded by David Cappaert
- 24. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 25. (c) skitterbug, some rights reserved (CC BY), uploaded by skitterbug
- 26. (c) Owen Strickland, some rights reserved (CC BY-NC), uploaded by Owen Strickland
- 27. (c) Shuk Han (Nancy) Mak, some rights reserved (CC BY-NC), uploaded by Shuk Han (Nancy) Mak
- 28. (c) anneke1998, some rights reserved (CC BY-NC-SA)
- 29. (c) Martin R. Lucas, some rights reserved (CC BY-NC), uploaded by Martin R. Lucas
- 30. (c) Monica Krancevic, some rights reserved (CC BY-NC), uploaded by Monica Krancevic
- 31. (c) Martha O'Kennon, some rights reserved (CC BY-NC), uploaded by Martha O'Kennon
- 32. (c) kens18, some rights reserved (CC BY-NC), uploaded by kens18
- 33. (c) Victor De la Cruz, some rights reserved (CC BY), uploaded by Victor De la Cruz
- 34. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 35. (c) Mike Leveille, some rights reserved (CC BY-NC), uploaded by Mike Leveille
- 36. (c) Ashley M Bradford, some rights reserved (CC BY-NC), uploaded by Ashley M Bradford
- 37. (c) Steve Kerr, some rights reserved (CC BY), uploaded by Steve Kerr
- 38. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 39. (c) cotinis, some rights reserved (CC BY-NC-SA)
- 40. (c) Sam Kieschnick, some rights reserved (CC BY), uploaded by Sam Kieschnick
- 41. no rights reserved, uploaded by Jesse Rorabaugh
- 42. (c) Don Loarie, some rights reserved (CC BY)
- 43. (c) Lena Zappia, some rights reserved (CC BY-NC), uploaded by Lena Zappia
- 44. (c) Stanislav Krejčík, some rights reserved (CC BY)
- 45. (c) thesnaguy, some rights reserved (CC BY-NC-SA), uploaded by thesnaguy
- 46. (c) filiperibeiro, some rights reserved (CC BY-NC)
- 47. (c) Chuck Sexton, some rights reserved (CC BY-NC), uploaded by Chuck Sexton
- 48. (c) Matt Claghorn, some rights reserved (CC BY-NC), uploaded by Matt Claghorn
- 49. (c) Stuart Tingley, some rights reserved (CC BY-NC), uploaded by Stuart Tingley
- 50. (c) Zoology123, some rights reserved (CC BY-NC), uploaded by Zoology123
- 51. (c) Cosmic Cat, some rights reserved (CC BY-NC), uploaded by Cosmic Cat
- 52. (c) Julia Blyth, some rights reserved (CC BY-NC), uploaded by Julia Blyth
- 53. (c) mnmartinez, some rights reserved (CC BY-NC)
