Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) johnwilliams, some rights reserved (CC BY-NC), uploaded by johnwilliams
- 2. (c) Bradford Hollingsworth, some rights reserved (CC BY-NC), uploaded by Bradford Hollingsworth
- 3. (c) Chris Harrison, some rights reserved (CC BY-NC), uploaded by Chris Harrison
- 4. (c) Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker
- 5. (c) Zack, some rights reserved (CC BY-NC-SA)
- 6. (c) bubbacho, some rights reserved (CC BY-NC)
- 7. (c) roy pilcher, some rights reserved (CC BY-NC), uploaded by roy pilcher
- 8. (c) Andrew DuBois, some rights reserved (CC BY-NC)
- 9. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
- 10. (c) Matt Muir, some rights reserved (CC BY), uploaded by Matt Muir
- 11. (c) lupe, some rights reserved (CC BY-NC), uploaded by lupe
- 12. (c) David Bygott, some rights reserved (CC BY-NC)
- 13. (c) Diana-Terry Hibbitts, some rights reserved (CC BY-NC), uploaded by Diana-Terry Hibbitts
- 14. (c) John Sullivan, some rights reserved (CC BY-NC), uploaded by John Sullivan
- 15. (c) R Snyder, some rights reserved (CC BY-NC-SA), uploaded by R Snyder
- 16. (c) Neil Balchan, some rights reserved (CC BY-NC), uploaded by Neil Balchan
- 17. (c) Ashley Wahlberg, some rights reserved (CC BY-NC), uploaded by Ashley Wahlberg
- 18. (c) Josh Vandermeulen, some rights reserved (CC BY-NC-ND), uploaded by Josh Vandermeulen
- 19. (c) Zach Lim, some rights reserved (CC BY-NC), uploaded by Zach Lim
- 20. (c) NHMLA Community Science Program, some rights reserved (CC BY-NC), uploaded by NHMLA Community Science Program
- 21. (c) Jared Gorrell, some rights reserved (CC BY-NC), uploaded by Jared Gorrell
- 22. (c) Justin Lee, some rights reserved (CC BY-NC), uploaded by Justin Lee
- 23. (c) Jason Headley, some rights reserved (CC BY-NC), uploaded by Jason Headley
- 24. (c) Adam W. Ferguson, some rights reserved (CC BY-NC), uploaded by Adam W. Ferguson
- 25. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 26. (c) Kaleb Kroeker, some rights reserved (CC BY-NC), uploaded by Kaleb Kroeker
- 27. (c) Eric Osmundson, some rights reserved (CC BY-NC-SA)
- 28. (c) Linda De Volder, some rights reserved (CC BY-NC-ND)
- 29. (c) Sam Kieschnick, some rights reserved (CC BY), uploaded by Sam Kieschnick
- 30. (c) Greg Hanisek, some rights reserved (CC BY-NC), uploaded by Greg Hanisek
- 31. (c) Alan Vernon, some rights reserved (CC BY-NC-SA)
- 32. (c) Pedro Peloso, some rights reserved (CC BY-NC), uploaded by Pedro Peloso
- 33. (c) Tracey Fandre, some rights reserved (CC BY-NC-ND), uploaded by Tracey Fandre
- 34. (c) FreckLes, some rights reserved (CC BY-NC), uploaded by FreckLes
- 35. (c) Dan Dzurisin, some rights reserved (CC BY-NC-ND)
- 36. (c) Ken Schneider, some rights reserved (CC BY-NC), uploaded by Ken Schneider
- 37. (c) Bernard Foy, some rights reserved (CC BY-NC), uploaded by Bernard Foy
- 38. (c) Mila B., some rights reserved (CC BY), uploaded by Mila B.
- 39. (c) USFWS Mountain-Prairie, some rights reserved (CC BY)
- 40. (c) Adrienne McLeod, some rights reserved (CC BY-NC), uploaded by Adrienne McLeod
- 41. (c) DaPuglet, some rights reserved (CC BY-SA)
- 42. (c) Kevin Metcalf, some rights reserved (CC BY-NC), uploaded by Kevin Metcalf
- 43. (c) msr, some rights reserved (CC BY-NC), uploaded by msr
- 44. (c) Jesús Moreno Navarro, some rights reserved (CC BY-NC), uploaded by Jesús Moreno Navarro
- 45. (c) Bob Hislop, some rights reserved (CC BY-NC), uploaded by Bob Hislop
- 46. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 47. (c) Terry Ross, some rights reserved (CC BY-SA)
- 48. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
- 49. (c) sohzendeh, some rights reserved (CC BY-NC-SA), uploaded by sohzendeh
- 50. (c) Keith Williams, some rights reserved (CC BY-NC-ND)
- 51. (c) Andrew Scott, some rights reserved (CC BY-NC), uploaded by Andrew Scott
- 52. (c) Alejandra Peña Estrada, some rights reserved (CC BY), uploaded by Alejandra Peña Estrada
- 53. (c) Chris Petrizzo, some rights reserved (CC BY-NC), uploaded by Chris Petrizzo
- 54. (c) Danny Barron, some rights reserved (CC BY-NC-ND)
- 55. (c) Roberto Ghiglia, some rights reserved (CC BY-NC), uploaded by Roberto Ghiglia
- 56. (c) hobiecat, some rights reserved (CC BY-NC), uploaded by hobiecat
- 57. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 58. (c) Kristof Zyskowski, some rights reserved (CC BY), uploaded by Kristof Zyskowski
- 59. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 60. (c) Bryan Hamilton, some rights reserved (CC BY-NC), uploaded by Bryan Hamilton
- 61. (c) Elizabeth Esperanza Aragón Piña, some rights reserved (CC BY-NC), uploaded by Elizabeth Esperanza Aragón Piña
- 62. (c) Gerson Herrera, some rights reserved (CC BY-NC), uploaded by Gerson Herrera
- 63. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 64. (c) Sjensen~, some rights reserved (CC BY)
- 65. (c) Prairie Guy, some rights reserved (CC BY-NC), uploaded by Prairie Guy
- 66. (c) kwgeiger, some rights reserved (CC BY-NC), uploaded by kwgeiger
- 67. (c) Craig Bennett, some rights reserved (CC BY-NC)
- 68. (c) lonnyholmes, some rights reserved (CC BY-NC), uploaded by lonnyholmes
- 69. (c) Tom Benson, some rights reserved (CC BY-NC-ND)
- 70. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 71. (c) Josh, some rights reserved (CC BY-NC), uploaded by Josh
- 72. (c) Matthew O'Donnell, some rights reserved (CC BY-NC-SA)
- 73. (c) Kevin Meza, some rights reserved (CC BY-NC), uploaded by Kevin Meza
- 74. (c) unquenchable.fire, some rights reserved (CC BY-NC-ND)
- 75. (c) Tanya Dewey, some rights reserved (CC BY-NC-SA)
- 76. (c) Bureau of Land Management, some rights reserved (CC BY)
- 77. (c) Carita Bergman, some rights reserved (CC BY-NC-ND), uploaded by Carita Bergman
- 78. (c) Josh More, some rights reserved (CC BY-NC-ND)
- 79. (c) Lee Hoy, some rights reserved (CC BY-NC-ND), uploaded by Lee Hoy
- 80. (c) davidcooksy, some rights reserved (CC BY-NC)
- 81. (c) Christian Back, some rights reserved (CC BY-NC), uploaded by Christian Back
- 82. (c) Dan Dzurisin, some rights reserved (CC BY)
- 83. (c) Alejandro Gómez Nísino, some rights reserved (CC BY-NC-SA), uploaded by Alejandro Gómez Nísino
- 84. (c) Von.grzanka, some rights reserved (CC BY-SA)
- 85. (c) Kala Murphy King, some rights reserved (CC BY-NC-ND), uploaded by Kala Murphy King