• Guides
  • Wildlife of Boulder County

Wildlife of Boulder County

Boulder County is comprised of 740 square miles of land nestled along the front range of Colorado just 30 miles northwest of Denver. Its proximity to the mountains, diverse landscapes, and various designated open spaces make the county ideal for observing local and even migrating wildlife. ...more ↓

spreading dogbane 1
Apocynum androsaemifolium
bird's-foot trefoil 2
Lotus corniculatus
common dandelion 3
Taraxacum officinale
common stork's-bill 4
Erodium cicutarium
dame's-violet 5
Hesperis matronalis
wild geranium 6
Geranium maculatum
boxelder maple 7
Acer negundo
common jewelweed 8
Impatiens capensis
butterfly milkweed 9
Asclepias tuberosa
Hound's-tongue 10
Cynoglossum officinale
Cornflower 11
Centaurea cyanus
Catnip 12
Nepeta cataria
purple coneflower 13
Echinacea purpurea
American Plum 14
Prunus americana
Yellow Cosmos 15
Cosmos sulphureus
red baneberry 16
Actaea rubra
paper birch 17
Betula papyrifera
Virginia creeper 18
Parthenocissus quinquefolia
wild strawberry 19
Fragaria vesca
Chinese lantern 20
Quincula lobata
devil's beggarticks 21
Bidens frondosa
Indian blanket 22
Gaillardia pulchella
red clover 23
Trifolium pratense
woodland pinedrops
Pterospora andromedea
eastern cottonwood 24
Populus deltoides
scarlet gilia 25
Ipomopsis aggregata
Ipomopsis aggregata candida 26
slendertube skyrocket 27
Ipomopsis tenuituba
common selfheal 28
Prunella vulgaris
common yarrow 29
Achillea millefolium
Achillea millefolium millefolium
pearly everlasting 30
Anaphalis margaritacea
chicory 10
Cichorium intybus
spear thistle 31
Cirsium vulgare
poison hemlock 32
Conium maculatum
field bindweed 33
Convolvulus arvensis
giant ragweed 34
Ambrosia trifida
prickly lettuce 35
Lactuca serriola
skunkweed Jacob's-ladder 36
Polemonium pulcherrimum delicatum
Fendler's Meadow-rue 37
Thalictrum fendleri
Common Mouse-ear Chickweed 38
Cerastium fontanum
beaked hazelnut 39
Corylus cornuta
false boneset 40
Brickellia eupatorioides
yellow salsify 41
Tragopogon dubius
feverfew 42
Tanacetum parthenium
white horehound 43
Marrubium vulgare
silver maple 44
Acer saccharinum
smooth sumac 45
Rhus glabra
Chokecherry 46
Prunus virginiana
trembling aspen 47
Populus tremuloides
golden currant 27
Ribes aureum
bittersweet 48
Solanum dulcamara
common bird's-foot trefoil
Lotus corniculatus corniculatus
white clover 49
Trifolium repens
common ivy 50
Hedera helix
tansy 46
Tanacetum vulgare
Fuller's teasel 51
Dipsacus fullonum
oxeye daisy 42
Leucanthemum vulgare
alpine leafybract aster 52
Symphyotrichum foliaceum
common soapwort 42
Saponaria officinalis
Common Mallow 53
Malva sylvestris
spotted lady's thumb 54
Persicaria maculosa
monument plant 55
Frasera speciosa
Felwort 56
Swertia perennis
tumble mustard 57
Sisymbrium altissimum
alfalfa 47
Medicago sativa
ribbed melilot 58
Melilotus officinalis
hedge bindweed 59
Calystegia sepium
red-berried elder 60
Sambucus racemosa
tumbleweed 20
Salsola tragus
Rubber Rabbitbrush 47
Ericameria nauseosa nauseosa
rubber rabbitbrush 47
Ericameria nauseosa
Common sunflower 61
Helianthus annuus
poison ivy 62
Toxicodendron radicans
fragrant sumac 46
Rhus aromatica
sand cherry 63
Prunus pumila
spotted spurge 64
Euphorbia maculata
white melilot 58
Melilotus albus
greater plantain 65
Plantago major
Common purslane 66
Portulaca oleracea
western virgin's bower 67
Clematis ligusticifolia
narrowleaf willow 47
Salix exigua
moth mullein 47
Verbascum blattaria
great mullein 58
Verbascum thapsus

Edited by srupinsky, Melanie Hill, Deborah H Price, and Dave Sutherland, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Katja Schulz, some rights reserved (CC BY)
  • 2. (c) Christopher Porter, some rights reserved (CC BY-NC-SA)
  • 3. (c) Dorota (Dorothy), some rights reserved (CC BY-SA)
  • 4. (c) Franco Folini, some rights reserved (CC BY)
  • 5. (c) Owen Wolter, some rights reserved (CC BY-NC-ND)
  • 6. (c) Jim Frazier, some rights reserved (CC BY-NC-ND)
  • 7. (c) cjosefson, some rights reserved (CC BY-NC), uploaded by cjosefson
  • 8. (c) James Gaither, some rights reserved (CC BY-NC-ND)
  • 9. (c) Frank Mayfield, some rights reserved (CC BY-SA)
  • 10. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
  • 11. (c) Udo Schmidt, some rights reserved (CC BY-SA)
  • 12. (c) F. D. Richards, some rights reserved (CC BY-SA)
  • 13. (c) Virginia (Ginny) Sanderson, some rights reserved (CC BY-NC-ND)
  • 14. (c) Donna, some rights reserved (CC BY-ND)
  • 15. (c) 106611639464075912591, some rights reserved (CC BY-NC-SA), uploaded by 106611639464075912591
  • 16. (c) Brent Miller, some rights reserved (CC BY-NC-ND)
  • 17. (c) Marie Studer, some rights reserved (CC BY), uploaded by Marie Studer
  • 18. (c) Nick Beck, some rights reserved (CC BY-NC-SA)
  • 19. (c) Jeff Coffman, some rights reserved (CC BY)
  • 20. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
  • 21. (c) Flavio Rocchi, some rights reserved (CC BY-NC), uploaded by Flavio Rocchi
  • 22. (c) Mary Keim, some rights reserved (CC BY-NC-SA)
  • 23. (c) beautifulcataya, some rights reserved (CC BY-NC-ND)
  • 24. (c) JanetandPhil, some rights reserved (CC BY-NC-ND)
  • 25. (c) Dan and Raymond, some rights reserved (CC BY-NC-SA)
  • 26. (c) Jeff Thompson, some rights reserved (CC BY-NC), uploaded by Jeff Thompson
  • 27. (c) Carol Jacobs-Carre, some rights reserved (CC BY-NC-ND)
  • 28. (c) Grahame, some rights reserved (CC BY-NC-ND), uploaded by Grahame
  • 29. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
  • 30. (c) peupleloup, some rights reserved (CC BY-SA)
  • 31. (c) Sciadopitys, some rights reserved (CC BY-SA)
  • 32. (c) Mick Talbot, some rights reserved (CC BY)
  • 33. (c) Michael Kappel, some rights reserved (CC BY-NC)
  • 34. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
  • 35. (c) George F Mayfield, some rights reserved (CC BY-SA)
  • 36. (c) Jesse Varner, some rights reserved (CC BY-NC-SA)
  • 37. (c) randomtruth, some rights reserved (CC BY-NC-SA)
  • 38. (c) Peter O'Connor aka anemoneprojectors, some rights reserved (CC BY-SA)
  • 39. (c) Sue Wetmore, some rights reserved (CC BY-NC), uploaded by Sue Wetmore
  • 40. (c) Peter Gorman, some rights reserved (CC BY-NC-SA)
  • 41. (c) José María Escolano, some rights reserved (CC BY-NC-SA)
  • 42. (c) AnneTanne, some rights reserved (CC BY-NC)
  • 43. (c) Tony Rodd, some rights reserved (CC BY-NC-SA)
  • 44. (c) TreesOfTheWorld.net, some rights reserved (CC BY-NC-SA)
  • 45. (c) Homer Edward Price, some rights reserved (CC BY)
  • 46. (c) Kingsbrae Garden, some rights reserved (CC BY-NC-SA)
  • 47. (c) Matt Lavin, some rights reserved (CC BY-SA)
  • 48. (c) Sander Bos, some rights reserved (CC BY-NC-ND)
  • 49. (c) Ashley M Bradford, some rights reserved (CC BY-NC), uploaded by Ashley M Bradford
  • 50. (c) NjuTIK@, some rights reserved (CC BY-NC-SA)
  • 51. (c) Jorunn D. Newth, some rights reserved (CC BY-NC-SA)
  • 52. (c) 2010 Barry Breckling, some rights reserved (CC BY-NC-SA)
  • 53. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
  • 54. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
  • 55. (c) Marshal Hedin, some rights reserved (CC BY)
  • 56. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
  • 57. (c) 2009 Barry Breckling, some rights reserved (CC BY-NC-SA)
  • 58. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
  • 59. (c) Joshua Mayer, some rights reserved (CC BY-SA)
  • 60. (c) autan, some rights reserved (CC BY-NC-ND)
  • 61. (c) Matthias Barth, some rights reserved (CC BY-NC)
  • 62. (c) Lori Anne, some rights reserved (CC BY-NC), uploaded by Lori Anne
  • 63. (c) Superior National Forest, some rights reserved (CC BY)
  • 64. (c) --Tico--, some rights reserved (CC BY-NC-ND)
  • 65. (c) M.M. R, some rights reserved (CC BY-NC)
  • 66. (c) Monica Krancevic, some rights reserved (CC BY-NC), uploaded by Monica Krancevic
  • 67. (c) Tom Hilton, some rights reserved (CC BY)

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