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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) Matthew, some rights reserved (CC BY-NC-ND)
- 39. (c) FWC Fish and Wildlife Research Institute, some rights reserved (CC BY-NC-ND)
- 40. (c) dbarronoss, some rights reserved (CC BY-NC-ND)
- 41. (c) Bruce J. Mohn, some rights reserved (CC BY-NC), uploaded by Bruce J. Mohn
- 42. (c) Alex Baecher, some rights reserved (CC BY-NC), uploaded by Alex Baecher
- 43. (c) Zack, some rights reserved (CC BY-NC-SA)
- 44. (c) Josh More, some rights reserved (CC BY-NC-ND)
- 45. (c) Alan Wolf, some rights reserved (CC BY-NC-ND), uploaded by Alan Wolf
- 46. (c) Dave Huth, some rights reserved (CC BY-NC)
- 47. (c) johnwilliams, some rights reserved (CC BY-NC), uploaded by johnwilliams
- 48. (c) Brian Gratwicke, some rights reserved (CC BY)
- 49. (c) Andrew Hoffman, some rights reserved (CC BY-NC-ND)
- 50. (c) Brian.gratwicke, some rights reserved (CC BY-SA)
- 51. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
- 52. (c) Todd Pierson, some rights reserved (CC BY-NC-SA)
- 53. (c) Kerry Matz, some rights reserved (CC BY-NC-SA)
- 54. (c) Shaun Hayes, some rights reserved (CC BY-NC), uploaded by Shaun Hayes
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- 56. (c) Raymond Little, some rights reserved (CC BY-NC), uploaded by Raymond Little
- 57. (c) botanygirl, some rights reserved (CC BY), uploaded by botanygirl
- 58. (c) benet2006, some rights reserved (CC BY), uploaded by benet2006
- 59. (c) Cooper Wyatt, some rights reserved (CC BY-NC), uploaded by Cooper Wyatt
- 60. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
- 61. (c) Linda De Volder, some rights reserved (CC BY-NC-ND)
- 62. (c) Lisa Brown, some rights reserved (CC BY-NC)
- 63. (c) Brooke Smith, some rights reserved (CC BY), uploaded by Brooke Smith
- 64. (c) SMBishop, some rights reserved (CC BY-SA)
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- 66. (c) Jason Whittle, some rights reserved (CC BY-NC-ND), uploaded by Jason Whittle
- 67. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 68. (c) Anita Gould, some rights reserved (CC BY-NC), uploaded by Anita Gould
- 69. (c) Juan Cruzado, some rights reserved (CC BY-SA), uploaded by Juan Cruzado
- 70. (c) tom spinker, some rights reserved (CC BY-NC-ND)
- 71. (c) adamdv18, some rights reserved (CC BY-NC)
- 72. (c) Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Mammals, some rights reserved (CC BY-NC-SA)
- 73. (c) NOAA Photo Library, some rights reserved (CC BY)
- 74. (c) Figure 8 from article: Aguilar de Soto N, Martín V, Silva M, Edler R, Reyes C, Carrillo M, Schiavi A, Morales T, García-Ovide B, Sanchez-Mora A, Garcia-Tavero N, Steiner L, Scheer M, Gockel R, Walker D, Villa E, Szlama P, Eriksson IK, Tejedor M, Perez-Gil, some rights reserved (CC BY)
- 75. (c) WoRMS for SMEBD, some rights reserved (CC BY-NC-SA)