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Photo Credits
- 1. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 2. (c) Richard Griffin, some rights reserved (CC BY-NC-SA)
- 3. (c) Ty Smith, some rights reserved (CC BY-NC), uploaded by Ty Smith
- 4. (c) Francisco Caloca, some rights reserved (CC BY-NC), uploaded by Francisco Caloca
- 5. (c) Rick Leche, some rights reserved (CC BY-NC-ND)
- 6. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 7. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 8. (c) Eric Heupel, some rights reserved (CC BY-NC)
- 9. (c) Alejandro Bayer Tamayo, some rights reserved (CC BY-SA)
- 10. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 11. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 12. (c) Jenn Megyesi, some rights reserved (CC BY-NC), uploaded by Jenn Megyesi
- 13. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 14. (c) Russ Hoverman, some rights reserved (CC BY-NC), uploaded by Russ Hoverman
- 15. (c) ehpien, some rights reserved (CC BY-NC-ND)
- 16. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 17. (c) U.S. Fish and Wildlife Service Northeast Region, some rights reserved ()
- 18. (c) rbbrummitt, some rights reserved (CC BY-NC), uploaded by rbbrummitt
- 19. (c) skitterbug, some rights reserved (CC BY), uploaded by skitterbug
- 20. (c) peterichman, some rights reserved (CC BY)
- 21. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 22. (c) Kenneth Cole Schneider, some rights reserved (CC BY-NC-SA)
- 23. (c) Laura Gooch, some rights reserved (CC BY-NC-SA)
- 24. (c) Mark Dennis, some rights reserved (CC BY-NC), uploaded by Mark Dennis
- 25. (c) Kelly Colgan Azar, some rights reserved (CC BY-ND)
- 26. (c) Michael, some rights reserved (CC BY-NC-SA)
- 27. (c) Maggie.Smith, some rights reserved (CC BY-NC)
- 28. (c) Vishal Patel, some rights reserved (CC BY-NC-ND)
- 29. (c) Kerry Carloy, some rights reserved (CC BY-NC), uploaded by Kerry Carloy
- 30. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 31. (c) José Antonio Linage Espinosa, some rights reserved (CC BY-NC), uploaded by José Antonio Linage Espinosa
- 32. (c) Devon Bradley, some rights reserved (CC BY-NC), uploaded by Devon Bradley
- 33. (c) Minette Layne, some rights reserved (CC BY-NC)
- 34. (c) Michael Hodge, some rights reserved (CC BY-NC-SA)
- 35. (c) anonymous, some rights reserved (CC BY-SA)
- 36. (c) Minette, some rights reserved (CC BY-NC)
- 37. (c) Peter Trimming, some rights reserved (CC BY)
- 38. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 39. (c) guyincognito, some rights reserved (CC BY-NC), uploaded by guyincognito
- 40. (c) Jean-Guy Dallaire, some rights reserved (CC BY-NC-ND)
- 41. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 42. (c) Ómar Runólfsson, some rights reserved (CC BY)
- 43. (c) Joanne Redwood, some rights reserved (CC BY-NC), uploaded by Joanne Redwood
- 44. (c) Paul Roberts, some rights reserved (CC BY-NC)
- 45. (c) nigel, some rights reserved (CC BY)
- 46. (c) Minette Layne, some rights reserved (CC BY-SA)
- 47. (c) Ulrich Latzenhofer, some rights reserved (CC BY-SA)
- 48. (c) Mike Baird, some rights reserved (CC BY)
- 49. (c) Kakalotli, some rights reserved (CC BY-NC), uploaded by Kakalotli
- 50. (c) Marv Elliott, some rights reserved (CC BY-NC), uploaded by Marv Elliott
- 51. (c) Alexander Yakovlev, some rights reserved (CC BY-NC), uploaded by Alexander Yakovlev
- 52. (c) Ekaterina Chernetsova (Papchinskaya), some rights reserved (CC BY)
- 53. (c) Heather Paul, some rights reserved (CC BY-ND)
- 54. (c) Bill Carrell, some rights reserved (CC BY-NC-ND), uploaded by Bill Carrell
- 55. (c) Alina, some rights reserved (CC BY-NC), uploaded by Alina
- 56. (c) Frans Vandewalle, some rights reserved (CC BY-NC)
- 57. (c) MPF, some rights reserved (CC BY-SA)
- 58. (c) Frank Vassen, some rights reserved (CC BY)
- 59. (c) Dan Pancamo, some rights reserved (CC BY-SA)
- 60. (c) Pete, some rights reserved (CC BY-NC-SA)
- 61. (c) Jerry Oldenettel, some rights reserved (CC BY-SA)
- 62. (c) Rick Leche - Photography, some rights reserved (CC BY-NC-ND)
- 63. (c) Tom Benson, some rights reserved (CC BY-NC-ND)
- 64. (c) Scott Buckel, some rights reserved (CC BY-NC), uploaded by Scott Buckel
- 65. (c) JanetandPhil, some rights reserved (CC BY-NC-ND)
- 66. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 67. (c) Badjoby, some rights reserved (CC BY-SA)
- 68. (c) Dave Fletcher, some rights reserved (CC BY-ND)
- 69. (c) Carmelo López Abad, some rights reserved (CC BY-NC), uploaded by Carmelo López Abad
- 70. (c) NatureServe, some rights reserved (CC BY-NC-SA)
