Photos:
- 1. (c) Jake Scott, some rights reserved (CC BY-NC), uploaded by Jake Scott
- 2. (c) johnwilliams, some rights reserved (CC BY-NC), uploaded by johnwilliams
- 3. (c) Donna Fernstrom, some rights reserved (CC BY), uploaded by Donna Fernstrom
- 4. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
- 5. (c) copepodo, some rights reserved (CC BY-NC-ND)
- 6. (c) Stylurus, some rights reserved (CC BY-NC-ND)
- 7. (c) Chris Harrison, some rights reserved (CC BY-NC), uploaded by Chris Harrison
- 8. (c) David Bygott, some rights reserved (CC BY-NC)
- 9. (c) tom spinker, some rights reserved (CC BY-NC-ND)
- 10. (c) Jeff Skrentny, some rights reserved (CC BY-NC), uploaded by Jeff Skrentny
- 11. (c) Kerry Matz, some rights reserved (CC BY-NC-SA)
- 12. (c) Alan Wolf, some rights reserved (CC BY-NC-ND), uploaded by Alan Wolf
- 13. (c) Jared Gorrell, some rights reserved (CC BY-NC), uploaded by Jared Gorrell
- 14. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 15. (c) Kala Murphy King, some rights reserved (CC BY-NC-ND), uploaded by Kala Murphy King
- 16. (c) Tsui, some rights reserved (CC BY-SA)
- 17. (c) Eric Osmundson, some rights reserved (CC BY-NC-SA)
- 18. (c) Richard Barnes, some rights reserved (CC BY-NC), uploaded by Richard Barnes
- 19. (c) Alan Vernon, some rights reserved (CC BY-NC-SA)
- 20. (c) Pedro Peloso, some rights reserved (CC BY-NC), uploaded by Pedro Peloso
- 21. (c) Dan Dzurisin, some rights reserved (CC BY-NC-ND)
- 22. (c) Janet Hill, some rights reserved (CC BY-NC-SA)
- 23. (c) USFWS Mountain-Prairie, some rights reserved (CC BY)
- 24. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 25. (c) Meghan Cassidy, some rights reserved (CC BY-SA), uploaded by Meghan Cassidy
- 26. (c) msr, some rights reserved (CC BY-NC), uploaded by msr
- 27. (c) Sam Kieschnick, some rights reserved (CC BY), uploaded by Sam Kieschnick
- 28. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 29. (c) Randy Dzenkiw, some rights reserved (CC BY-NC), uploaded by Randy Dzenkiw
- 30. (c) Todd Fitzgerald, some rights reserved (CC BY-NC), uploaded by Todd Fitzgerald
- 31. (c) Ale Peña, some rights reserved (CC BY-NC-SA), uploaded by Ale Peña
- 32. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 33. (c) Danny Barron, some rights reserved (CC BY-NC-ND)
- 34. (c) hobiecat, some rights reserved (CC BY-NC), uploaded by hobiecat
- 35. (c) Kory Roberts, some rights reserved (CC BY-NC), uploaded by Kory Roberts
- 36. (c) cyric, some rights reserved (CC BY-NC-SA), uploaded by cyric
- 37. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 38. (c) Elizabeth Esperanza Aragón Piña, some rights reserved (CC BY-NC), uploaded by Elizabeth Esperanza Aragón Piña
- 39. (c) Gerson Herrera, some rights reserved (CC BY-NC), uploaded by Gerson Herrera
- 40. U.S. Fish and Wildlife Service, no known copyright restrictions (public domain)
- 41. (c) woodleywonderworks, some rights reserved (CC BY)
- 42. (c) moviecoco568, some rights reserved (CC BY)
- 43. (c) Alex Lamoreaux, some rights reserved (CC BY-NC), uploaded by Alex Lamoreaux
- 44. (c) adamdv18, some rights reserved (CC BY-NC)
- 45. (c) Lee Elliott, some rights reserved (CC BY-NC-SA)
- 46. (c) Juan Cruzado, some rights reserved (CC BY-SA), uploaded by Juan Cruzado
- 47. no rights reserved
- 48. (c) SMBishop, some rights reserved (CC BY-SA)
- 49. (c) Rich Hoyer, some rights reserved (CC BY-NC-SA), uploaded by Rich Hoyer
- 50. (c) Andrew Reding, some rights reserved (CC BY-NC-ND)
- 51. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 52. (c) Josh More, some rights reserved (CC BY-NC-ND)
- 53. (c) pfaucher, some rights reserved (CC BY-NC), uploaded by pfaucher
- 54. (c) kwgeiger, some rights reserved (CC BY-NC), uploaded by kwgeiger
- 55. (c) Dan Dzurisin, some rights reserved (CC BY)
- 56. (c) clint_perkins, some rights reserved (CC BY-NC), uploaded by clint_perkins
- 57. (c) Phil Warren, some rights reserved (CC BY-NC), uploaded by Phil Warren
- 58. (c) Yathin, some rights reserved (CC BY-NC-ND)
- 59. (c) pike JO, some rights reserved (CC BY)
- 60. (c) James Marvin Phelps, some rights reserved (CC BY-NC)
- 61. (c) crgillette, some rights reserved (CC BY-NC), uploaded by crgillette
- 62. (c) Jeremy Yoder, some rights reserved (CC BY-NC)
- 63. (c) Phil's 1stPix, some rights reserved (CC BY-NC-SA)
- 64. (c) 종현, some rights reserved (CC BY-SA)
- 65. (c) Matthew Friant, some rights reserved (CC BY-NC), uploaded by Matthew Friant
- 66. (c) Scott Gilmore, some rights reserved (CC BY-NC), uploaded by Scott Gilmore
- 67. (c) Animal Diversity Web, some rights reserved (CC BY)
- 68. (c) RD, some rights reserved (CC BY-NC), uploaded by RD
- 69. (c)
Photo by David J. Stang, some rights reserved (CC BY-SA)
- 70. (c) Brian Yap (葉), some rights reserved (CC BY-NC)
- 71. (c) Ben, some rights reserved (CC BY-NC), uploaded by Ben
- 72. (c) Adam Cohen, some rights reserved (CC BY), uploaded by Adam Cohen
- 73. (c) c michael hogan, some rights reserved (CC BY-NC-SA), uploaded by c michael hogan
- 74. (c) Isaac, some rights reserved (CC BY-NC), uploaded by Isaac
- 75. (c) jrfleullan, some rights reserved (CC BY-NC), uploaded by jrfleullan
- 76. (c) Jonathan (JC) Carpenter, some rights reserved (CC BY-NC), uploaded by Jonathan (JC) Carpenter
- 77. (c) Brian Gratwicke, some rights reserved (CC BY)
- 78. (c) Jacob Stagg, some rights reserved (CC BY-NC), uploaded by Jacob Stagg
- 79. (c) Matt Garvin, some rights reserved (CC BY-SA), uploaded by Matt Garvin
Compiled by Colorado Parks and Wildlife,
some rights reserved
(CC BY-SA)
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