Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Royal Tyler, some rights reserved (CC BY-NC-SA), uploaded by Royal Tyler
- 2. (c) James W. Beck, some rights reserved (CC BY-NC), uploaded by James W. Beck
- 3. (c) Bill Keim, some rights reserved (CC BY)
- 4. (c) Jacques Larivée, some rights reserved (CC BY-NC), uploaded by Jacques Larivée
- 5. (c) 104860852614073572279, some rights reserved (CC BY-NC-SA), uploaded by 104860852614073572279
- 6. (c) Joshua Smith, some rights reserved (CC BY-NC), uploaded by Joshua Smith
- 7. (c) Ilona Loser, some rights reserved (CC BY-NC-SA)
- 8. (c) BIO Photography Group. Biodiversity Institute of Ontario., some rights reserved (CC BY-NC-SA)
- 9. (c) Pam Piombino, some rights reserved (CC BY-NC), uploaded by Pam Piombino
- 10. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 11. (c) upupamartin, some rights reserved (CC BY-NC-ND), uploaded by upupamartin
- 12. (c) Emily Hjalmarson, some rights reserved (CC BY-NC), uploaded by Emily Hjalmarson
- 13. (c) John P Friel, some rights reserved (CC BY), uploaded by John P Friel
- 14. (c) Heidi Eaton, some rights reserved (CC BY-NC), uploaded by Heidi Eaton
- 15. (c) Michał Brzeziński, some rights reserved (CC BY-NC), uploaded by Michał Brzeziński
- 16. (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block
- 17. (c) adriscoll, some rights reserved (CC BY-NC), uploaded by adriscoll
- 18. (c) Katja Schulz, some rights reserved (CC BY)
- 19. (c) Dick, some rights reserved (CC BY-NC-SA)
- 20. (c) bob15noble, some rights reserved (CC BY-NC), uploaded by bob15noble
- 21. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 22. (c) tnewman, some rights reserved (CC BY-NC)
- 23. (c) Benjamin Schwartz, some rights reserved (CC BY-NC), uploaded by Benjamin Schwartz
- 24. (c) Luca Boscain, some rights reserved (CC BY-NC), uploaded by Luca Boscain
- 25. (c) Janice Arndt, some rights reserved (CC BY-NC), uploaded by Janice Arndt
- 26. (c) tex-anne, some rights reserved (CC BY-NC), uploaded by tex-anne
- 27. (c) Chandler Sonafrank, some rights reserved (CC BY-NC), uploaded by Chandler Sonafrank
- 28. (c) Jim & Lynne Weber, some rights reserved (CC BY-NC), uploaded by Jim & Lynne Weber
- 29. (c) Richard Crook, some rights reserved (CC BY-NC-SA)
- 30. (c) nolieschneider, some rights reserved (CC BY-NC), uploaded by nolieschneider
- 31. (c) Seabrooke Leckie, some rights reserved (CC BY-NC-ND)
- 32. (c) Jim Johnson, some rights reserved (CC BY-NC-ND), uploaded by Jim Johnson
- 33. (c) joannerusso, some rights reserved (CC BY-NC), uploaded by joannerusso
- 34. (c) Ilona L, some rights reserved (CC BY-NC-SA)
- 35. (c) Paul Bedell, some rights reserved (CC BY-SA), uploaded by Paul Bedell
- 36. (c) Wayne Fidler, some rights reserved (CC BY-NC), uploaded by Wayne Fidler
- 37. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 38. no rights reserved, uploaded by Robb Hannawacker
- 39. (c) John Flannery, some rights reserved (CC BY-SA)
- 40. (c) Diane P. Brooks, some rights reserved (CC BY-NC-SA), uploaded by Diane P. Brooks
- 41. (c) Sean McCann, some rights reserved (CC BY-NC-SA)
- 42. (c) Don Henise, some rights reserved (CC BY)
- 43. (c) Anita, some rights reserved (CC BY-NC)
- 44. (c) johnvillella, some rights reserved (CC BY-NC-SA)
- 45. (c) pfaucher, some rights reserved (CC BY-NC), uploaded by pfaucher
- 46. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 47. (c) guyincognito, some rights reserved (CC BY-NC), uploaded by guyincognito
- 48. (c) David Alan Rogers, some rights reserved (CC BY-NC), uploaded by David Alan Rogers
- 49. (c) David A. Hofmann, some rights reserved (CC BY-NC-ND)
- 50. (c) Edward Perry IV, some rights reserved (CC BY-NC), uploaded by Edward Perry IV
- 51. (c) Paul Bedell, some rights reserved (CC BY-NC-SA)
- 52. (c) Chris Wood, some rights reserved (CC BY-NC-ND), uploaded by Chris Wood
- 53. (c) Anne, some rights reserved (CC BY-NC-SA)
- 54. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 55. (c) njcarpenter, some rights reserved (CC BY-NC)
- 56. (c) C. A. Ivy, some rights reserved (CC BY-NC), uploaded by C. A. Ivy
- 57. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 58. (c) Bill Bouton, some rights reserved (CC BY-NC-ND)
- 59. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 60. (c) Paul Prappas, some rights reserved (CC BY-NC), uploaded by Paul Prappas
- 61. (c) summerazure, some rights reserved (CC BY-NC-SA)
- 62. (c) Sandy__R, some rights reserved (CC BY)
- 63. (c) AJ Johnson, some rights reserved (CC BY-NC), uploaded by AJ Johnson
- 64. (c) Bill Bouton, some rights reserved (CC BY-NC)
- 65. (c) Aaron Carlson, some rights reserved (CC BY), uploaded by Aaron Carlson
- 66. (c) Eric Isley, some rights reserved (CC BY-NC), uploaded by Eric Isley
- 67. (c) cotinis, some rights reserved (CC BY-NC-SA)
- 68. (c) Rob Van Epps, some rights reserved (CC BY-NC), uploaded by Rob Van Epps
- 69. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 70. (c) David Andreas de Rivera Tønnessen, some rights reserved (CC BY-NC), uploaded by David Andreas de Rivera Tønnessen
- 71. (c) cwwood, some rights reserved (CC BY-SA), uploaded by cwwood
- 72. (c) cyric, some rights reserved (CC BY-NC-SA), uploaded by cyric
- 73. (c) roy pilcher, some rights reserved (CC BY-NC), uploaded by roy pilcher
- 74. (c) dloarie, some rights reserved (CC BY), uploaded by dloarie
- 75. (c) Judy Gallagher, some rights reserved (CC BY-SA), uploaded by Judy Gallagher
- 76. (c) Biodiversity Institute, some rights reserved (CC BY-NC-ND)
- 77. (c) Christine Hass, some rights reserved (CC BY-NC), uploaded by Christine Hass
- 78. (c) vwiest, some rights reserved (CC BY-NC), uploaded by vwiest
- 79. (c) Bill Bouton, some rights reserved (CC BY-NC-SA)
- 80. (c) Benny Mazur, some rights reserved (CC BY)
- 81. (c) JerryFriedman, some rights reserved (CC BY-SA)
- 82. (c) Sam McNally, some rights reserved (CC BY-NC), uploaded by Sam McNally
- 83. (c) dickwood, some rights reserved (CC BY-NC), uploaded by dickwood