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Photo Credits
- 1. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 2. (c) 116916927065934112165, some rights reserved (CC BY-SA), uploaded by 116916927065934112165
- 3. (c) Dan Pancamo, some rights reserved (CC BY-SA)
- 4. (c) Owen Strickland, some rights reserved (CC BY-NC), uploaded by Owen Strickland
- 5. (c) Ross Millikan, some rights reserved (CC BY-NC), uploaded by Ross Millikan
- 6. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 7. (c) Paul Roberts, some rights reserved (CC BY-NC)
- 8. (c) cyric, some rights reserved (CC BY-NC-SA), uploaded by cyric
- 9. (c) José Antonio Linage Espinosa, some rights reserved (CC BY-NC), uploaded by José Antonio Linage Espinosa
- 10. (c) Alex J Burchard, some rights reserved (CC BY-NC), uploaded by Alex J Burchard
- 11. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 12. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 13. (c) U.S. Fish and Wildlife Service Northeast Region, some rights reserved (CC BY)
- 14. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 15. (c) Mark Kilner, some rights reserved (CC BY-NC-SA)
- 16. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 17. (c) Brian Hinds, all rights reserved, uploaded by Brian Hinds
- 18. (c) roy pilcher, some rights reserved (CC BY-NC), uploaded by roy pilcher
- 19. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 20. (c) M. Goff, some rights reserved (CC BY-NC-SA), uploaded by M. Goff
- 21. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 22. (c) Gary Ashley, some rights reserved (CC BY-NC)
- 23. (c) Roger Butterfield, some rights reserved (CC BY-NC-SA)
- 24. (c) Lip Kee, some rights reserved (CC BY-SA)
- 25. (c) Andrew, some rights reserved (CC BY-NC)
- 26. (c) Julien Renoult, some rights reserved (CC BY), uploaded by Julien Renoult
- 27. (c) Jack Wolf, some rights reserved (CC BY-NC-ND)
- 28. (c) Nick Chill, some rights reserved (CC BY-NC-ND)
- 29. (c) Ómar Runólfsson, some rights reserved (CC BY)
- 30. (c) Biodiversity Heritage Library, some rights reserved (CC BY-NC-SA)
- 31. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 32. (c) USFWSmidwest, some rights reserved (CC BY)
- 33. (c) David Maher, some rights reserved (CC BY-NC-SA)
- 34. (c) Bob, some rights reserved (CC BY-NC-ND)
- 35. (c) Victor W Fazio III, some rights reserved (CC BY-NC), uploaded by Victor W Fazio III
- 36. (c) Kenneth Cole Schneider, some rights reserved (CC BY-NC-SA)
- 37. (c) Ulrich Latzenhofer, some rights reserved (CC BY-SA)
- 38. (c) Marv Elliott, some rights reserved (CC BY-NC), uploaded by Marv Elliott
- 39. (c) Alexander Yakovlev, some rights reserved (CC BY-NC), uploaded by Alexander Yakovlev
- 40. (c) Ekaterina Chernetsova (Papchinskaya), some rights reserved (CC BY)
- 41. (c) Heather Paul, some rights reserved (CC BY-ND)
- 42. (c) Bill Carrell, some rights reserved (CC BY-NC-ND), uploaded by Bill Carrell
- 43. (c) Alina, some rights reserved (CC BY-NC), uploaded by Alina
- 44. (c) Frans Vandewalle, some rights reserved (CC BY-NC)
- 45. (c) MPF, some rights reserved (CC BY-SA)
