• Guides
  • Denver-Boulder Metro Area: Wildlife

Denver-Boulder Metro Area: Wildlife

This guide contains mammals, reptiles, amphibians, fish, and mollusks that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.

Virginia Opossum 1
Didelphis virginiana
Desert Cottontail 2
Sylvilagus audubonii
Eastern Cottontail 3
Sylvilagus floridanus
Mountain Cottontail 4
Sylvilagus nuttallii
Snowshoe Hare 5
Lepus americanus
Black-tailed Jackrabbit 6
Lepus californicus
White-tailed Jackrabbit 7
Lepus townsendii
European Rabbit 8
Oryctolagus cuniculus
American Pika 9
Ochotona princeps
Abert's Squirrel 10
Sciurus aberti
Fox Squirrel 11
Sciurus niger
Southwestern Red Squirrel 12
Tamiasciurus fremonti
American Red Squirrel 13
Tamiasciurus hudsonicus
Least Chipmunk 14
Neotamias minimus
Colorado Chipmunk 15
Neotamias quadrivittatus
Uinta Chipmunk 16
Neotamias umbrinus
Rock Squirrel 17
Otospermophilus variegatus
Golden-mantled Ground Squirrel 15
Callospermophilus lateralis
Thirteen-lined Ground Squirrel 10
Ictidomys tridecemlineatus
Spotted Ground Squirrel 18
Xerospermophilus spilosoma
Wyoming Ground Squirrel 19
Urocitellus elegans
Yellow-bellied Marmot 20
Marmota flaviventris
Gunnison's Prairie Dog 21
Cynomys gunnisoni
Black-tailed Prairie Dog 22
Cynomys ludovicianus
American Beaver 23
Castor canadensis
Plains Pocket Gopher 24
Geomys bursarius
Northern Pocket Gopher 25
Thomomys talpoides
Hispid Pocket Mouse 26
Chaetodipus hispidus
Olive-backed Pocket Mouse 27
Perognathus fasciatus
Plains Pocket Mouse 28
Perognathus flavescens
Silky Pocket Mouse 26
Perognathus flavus
Ord's Kangaroo Rat 29
Dipodomys ordii
North American Porcupine 30
Erethizon dorsatum
Brown Rat 31
Rattus norvegicus
House Mouse 32
Mus musculus
Western Heather Vole 33
Phenacomys intermedius
Muskrat 34
Ondatra zibethicus
Long-tailed Vole 35
Microtus longicaudus
Montane Vole 36
Microtus montanus
Prairie Vole 37
Microtus ochrogaster
Meadow Vole 38
Microtus pennsylvanicus
Southern Red-backed Vole 39
Myodes gapperi
Brush Mouse 26
Peromyscus boylii
Deer Mouse 40
Peromyscus maniculatus
Western Harvest Mouse 15
Reithrodontomys megalotis
Plains Harvest Mouse 41
Reithrodontomys montanus
Northern Grasshopper Mouse 42
Onychomys leucogaster
White-throated Woodrat 15
Neotoma albigula
Bushy-tailed Wood Rat 43
Neotoma cinerea
Mexican Woodrat 26
Neotoma mexicana
Hispid Cotton Rat 44
Sigmodon hispidus
Meadow Jumping Mouse 45
Zapus hudsonius
Preble's Meadow Jumping Mouse 46
Zapus hudsonius preblei
Western Jumping Mouse 47
Zapus princeps
Moose 48
Alces alces
Mule Deer 49
Odocoileus hemionus
Mule × White-tailed Deer 50
Odocoileus hemionus × virginianus
White-tailed Deer 51
Odocoileus virginianus
Elk 52
Cervus canadensis
American Bison 53
Bison bison
Bighorn Sheep 54
Ovis canadensis
Mountain Goat 55
Oreamnos americanus
Pronghorn 56
Antilocapra americana
Big Brown Bat 26
Eptesicus fuscus
Silver-haired Bat 57
Lasionycteris noctivagans
Western Red Bat 26
Lasiurus blossevillii
Eastern Red Bat 58
Lasiurus borealis
Hoary Bat 59
Lasiurus cinereus
Townsend's Big-eared Bat 15
Corynorhinus townsendii
Western Small-footed Myotis 60
Myotis ciliolabrum
Miller's Myotis 61
Myotis evotis
Little Brown Bat 62
Myotis lucifugus
Fringed Myotis 63
Myotis thysanodes
Long-legged Myotis 64
Myotis volans
Big Free-tailed Bat 65
Nyctinomops macrotis
American Black Bear 66
Ursus americanus
Common Raccoon 67
Procyon lotor
Ringtail 68
Bassariscus astutus
North American River Otter 69
Lontra canadensis
Long-tailed Weasel 70
Neogale frenata
American Mink 71
Neogale vison
Short-tailed Weasel 72
Mustela erminea
Black-footed Ferret 73
Mustela nigripes
American Stoat 74
Mustela richardsonii
American Marten 75
Martes americana
Pacific Marten 76
Martes caurina
American Badger 77
Taxidea taxus
Striped Skunk 78
Mephitis mephitis
Western Spotted Skunk 79
Spilogale gracilis
Eastern Spotted Skunk 80
Spilogale putorius
Domestic Cat 81
Felis catus
Canada Lynx 82
Lynx canadensis
Bobcat 83
Lynx rufus
Mountain Lion 84
Puma concolor
Domestic Dog 85
Canis familiaris
Coyote 86
Canis latrans
Swift Fox 7
Vulpes velox
Red Fox 87
Vulpes vulpes
Gray Fox 88
Urocyon cinereoargenteus
Donkey 89
Equus asinus

Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Greg Hanisek, some rights reserved (CC BY-NC), uploaded by Greg Hanisek
  • 2. (c) Howard Cheng, some rights reserved (CC BY-SA)
  • 3. (c) Jim, the Photographer, some rights reserved (CC BY)
  • 4. (c) Judith Ellen Lopez, some rights reserved (CC BY-NC)
  • 5. (c) Sue Wetmore, some rights reserved (CC BY-NC), uploaded by Sue Wetmore
  • 6. (c) Mike Baird, some rights reserved (CC BY)
  • 7. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
  • 8. (c) Alex J., some rights reserved (CC BY)
  • 9. (c) Daniele Colombo, some rights reserved (CC BY-NC-SA)
  • 10. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
  • 11. (c) TexasEagle, some rights reserved (CC BY-NC)
  • 12. (c) Adrienne McLeod, some rights reserved (CC BY-NC), uploaded by Adrienne McLeod
  • 13. (c) DaPuglet, some rights reserved (CC BY-SA)
  • 14. (c) Kevin Metcalf, some rights reserved (CC BY-NC), uploaded by Kevin Metcalf
  • 15. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
  • 16. (c) msr, some rights reserved (CC BY-NC), uploaded by msr
  • 17. (c) Anders Illum, some rights reserved (CC BY-NC-ND)
  • 18. (c) Terry Ross, some rights reserved (CC BY-SA)
  • 19. (c) Soheil Zendeh, some rights reserved (CC BY-NC-SA)
  • 20. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
  • 21. (c) Andrew Hollander, some rights reserved (CC BY-NC-SA)
  • 22. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
  • 23. (c) Minette, some rights reserved (CC BY-NC)
  • 24. (c) Sam Kieschnick, some rights reserved (CC BY), uploaded by Sam Kieschnick
  • 25. (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young
  • 26. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
  • 27. US Fish & Wildlife Service, no known copyright restrictions (public domain)
  • 28. (c) Todd Fitzgerald, some rights reserved (CC BY-NC), uploaded by Todd Fitzgerald
  • 29. (c) randomtruth, some rights reserved (CC BY-NC-SA)
  • 30. (c) Danny Barron, some rights reserved (CC BY-NC-ND)
  • 31. (c) Mark Philpott, some rights reserved (CC BY-NC)
  • 32. (c) Davide, some rights reserved (CC BY-SA)
  • 33. (c) Jeremy Yoder, some rights reserved (CC BY-NC)
  • 34. (c) Vitaliy Khustochka, some rights reserved (CC BY-NC)
  • 35. (c) J. Maughn, some rights reserved (CC BY-NC), uploaded by J. Maughn
  • 36. (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
  • 37. (c) Lee Elliott, some rights reserved (CC BY-NC-SA), uploaded by Lee Elliott
  • 38. (c) cyric, some rights reserved (CC BY-NC-SA), uploaded by cyric
  • 39. (c) Mike, some rights reserved (CC BY-NC), uploaded by Mike
  • 40. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
  • 41. (c) Elizabeth Esperanza Aragón Piña, some rights reserved (CC BY-NC), uploaded by Elizabeth Esperanza Aragón Piña
  • 42. (c) Gerson Herrera, some rights reserved (CC BY-NC), uploaded by Gerson Herrera
  • 43. (c) latraydean, some rights reserved (CC BY-NC)
  • 44. (c) Scott Buckel, some rights reserved (CC BY-NC), uploaded by Scott Buckel
  • 45. (c) Ezra Schwartzberg, some rights reserved (CC BY-NC-ND), uploaded by Ezra Schwartzberg
  • 46. U.S. Fish and Wildlife Service, no known copyright restrictions (public domain)
  • 47. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
  • 48. (c) Howard Friedman, some rights reserved (CC BY-NC), uploaded by Howard Friedman
  • 49. (c) thaths, some rights reserved (CC BY-NC)
  • 50. (c) CK Kelly, some rights reserved (CC BY), uploaded by CK Kelly
  • 51. (c) J. Martin, some rights reserved (CC BY-NC)
  • 52. (c) catchang, some rights reserved (CC BY-NC), uploaded by catchang
  • 53. (c) Cullin, some rights reserved (CC BY-NC), uploaded by Cullin
  • 54. (c) Cullen Hanks, some rights reserved (CC BY-NC), uploaded by Cullen Hanks
  • 55. (c) Tom Benson, some rights reserved (CC BY-NC-ND)
  • 56. (c) Bryant Olsen, some rights reserved (CC BY-NC)
  • 57. (c) adamdv18, some rights reserved (CC BY-NC)
  • 58. (c) Anita Gould, some rights reserved (CC BY-NC), uploaded by Anita Gould
  • 59. (c) Juan Cruzado, some rights reserved (CC BY-SA), uploaded by Juan Cruzado
  • 60. (c) Colin Croft, some rights reserved (CC BY), uploaded by Colin Croft
  • 61. (c) Isaac Krone, some rights reserved (CC BY), uploaded by Isaac Krone
  • 62. (c) RD, some rights reserved (CC BY-NC), uploaded by RD
  • 63. (c) Ignacio Torres García, some rights reserved (CC BY-NC), uploaded by Ignacio Torres García
  • 64. (c) delmer jonathan, some rights reserved (CC BY-NC), uploaded by delmer jonathan
  • 65. (c) Rich Hoyer, some rights reserved (CC BY-NC-SA), uploaded by Rich Hoyer
  • 66. Maslowski Steve, U.S. Fish and Wildlife Service, no known copyright restrictions (public domain)
  • 67. (c) Andrew Reding, some rights reserved (CC BY-NC-ND)
  • 68. (c) Amelia Ryan, some rights reserved (CC BY-NC), uploaded by Amelia Ryan
  • 69. (c) Tracey Fandre, some rights reserved (CC BY-NC-ND), uploaded by Tracey Fandre
  • 70. (c) davidcooksy, some rights reserved (CC BY-NC)
  • 71. (c) pfaucher, some rights reserved (CC BY-NC), uploaded by pfaucher
  • 72. (c) Kentish Plumber, some rights reserved (CC BY-NC-ND)
  • 73. (c) Josh More, some rights reserved (CC BY-NC-ND)
  • 74. (c) Christian Back, some rights reserved (CC BY-NC), uploaded by Christian Back
  • 75. (c) SolidElectronics, some rights reserved (CC BY-NC)
  • 76. (c) Tim Shortell, some rights reserved (CC BY-NC), uploaded by Tim Shortell
  • 77. (c) Erin and Lance Willett, some rights reserved (CC BY-NC-ND)
  • 78. (c) anonymous, some rights reserved (CC BY-NC)
  • 79. NPS, no known copyright restrictions (public domain)
  • 80. (c) Carlos Ramirez Aldrete, some rights reserved (CC BY-NC), uploaded by Carlos Ramirez Aldrete
  • 81. (c) Von.grzanka, some rights reserved (CC BY-SA)
  • 82. (c) Elizabeth Haslam, some rights reserved (CC BY-NC)
  • 83. (c) Bernard Foy, some rights reserved (CC BY-NC), uploaded by Bernard Foy
  • 84. (c) Valerie, some rights reserved (CC BY-NC-ND)
  • 85. (c) Mossos. Generalitat de Catalunya, some rights reserved (CC BY-ND)
  • 86. (c) Yathin, some rights reserved (CC BY-NC-ND)
  • 87. (c) pike JO, some rights reserved (CC BY)
  • 88. (c) James Marvin Phelps, some rights reserved (CC BY-NC)
  • 89. (c) xulescu_g, some rights reserved (CC BY-SA)

Member of the iNaturalist Network   |   Powered by iNaturalist open source software |   Documentation for developers