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 ↓

Fairy-slipper 1
Calypso bulbosa
spreading dogbane 2
Apocynum androsaemifolium
bird's-foot trefoil 3
Lotus corniculatus
common dandelion 4
Taraxacum officinale
common stork's-bill 5
Erodium cicutarium
dame's-violet 6
Hesperis matronalis
wild geranium 7
Geranium maculatum
boxelder maple 8
Acer negundo
common jewelweed 9
Impatiens capensis
butterfly milkweed 10
Asclepias tuberosa
broadleaf arrowhead 11
Sagittaria latifolia
Hound's-tongue 12
Cynoglossum officinale
Cornflower 13
Centaurea cyanus
common Douglas-fir 14
Pseudotsuga menziesii
ponderosa pine 15
Pinus ponderosa
Catnip 16
Nepeta cataria
purple coneflower 17
Echinacea purpurea
American Plum 18
Prunus americana
Yellow Cosmos 19
Cosmos sulphureus
bulrush 20
Typha latifolia
lodgepole pine 21
Pinus contorta
spotted coralroot 22
Corallorhiza maculata
common starlily 23
Leucocrinum montanum
red baneberry 23
Actaea rubra
paper birch 24
Betula papyrifera
Virginia creeper 25
Parthenocissus quinquefolia
wild strawberry 26
Fragaria vesca
false Solomon's-seal 27
Maianthemum racemosum
Chinese lantern 27
Quincula lobata
devil's beggarticks 28
Bidens frondosa
Indian blanket 29
Gaillardia pulchella
red clover 30
Trifolium pratense
woodland pinedrops
Pterospora andromedea
eastern cottonwood 31
Populus deltoides
scarlet gilia 32
Ipomopsis aggregata
slendertube skyrocket 34
Ipomopsis tenuituba
common bracken 35
Pteridium aquilinum
cock's-foot 36
Dactylis glomerata
common selfheal 37
Prunella vulgaris
common yarrow 38
Achillea millefolium
pearly everlasting 39
Anaphalis margaritacea
chicory 12
Cichorium intybus
spear thistle 40
Cirsium vulgare
poison hemlock 41
Conium maculatum
Solomon's-plume 42
Maianthemum racemosum amplexicaule
field bindweed 43
Convolvulus arvensis
giant ragweed 11
Ambrosia trifida
prickly lettuce 44
Lactuca serriola
skunkweed Jacob's-ladder 45
Polemonium pulcherrimum delicatum
Fendler's Meadow-rue 46
Thalictrum fendleri
Common Mouse-ear Chickweed 47
Cerastium fontanum
beaked hazelnut 48
Corylus cornuta
false boneset 49
Brickellia eupatorioides
yellow salsify 50
Tragopogon dubius
feverfew 51
Tanacetum parthenium
white horehound 52
Marrubium vulgare
silver maple 53
Acer saccharinum
smooth sumac 54
Rhus glabra
Chokecherry 55
Prunus virginiana
trembling aspen 56
Populus tremuloides
golden currant 34
Ribes aureum
bittersweet 57
Solanum dulcamara
common bird's-foot trefoil
Lotus corniculatus corniculatus
white clover 58
Trifolium repens
common ivy 59
Hedera helix
tansy 55
Tanacetum vulgare
Fuller's teasel 60
Dipsacus fullonum
oxeye daisy 51
Leucanthemum vulgare
alpine leafybract aster 61
Symphyotrichum foliaceum
common soapwort 51
Saponaria officinalis
Common Mallow 62
Malva sylvestris
spotted lady's thumb 63
Persicaria maculosa
monument plant 64
Frasera speciosa
Felwort 65
Swertia perennis
tumble mustard 66
Sisymbrium altissimum
alfalfa 56
Medicago sativa
ribbed melilot 67
Melilotus officinalis
hedge bindweed 68
Calystegia sepium
western blue flag 69
Iris missouriensis
red-berried elder 70
Sambucus racemosa
tumbleweed 27
Salsola tragus
Rubber Rabbitbrush 56
Ericameria nauseosa nauseosa
rubber rabbitbrush 56
Ericameria nauseosa
Common sunflower 71
Helianthus annuus
common juniper 72
Juniperus communis
poison ivy 73
Toxicodendron radicans
fragrant sumac 55
Rhus aromatica
sand cherry 74
Prunus pumila
spotted spurge 75
Euphorbia maculata
white melilot 67
Melilotus albus
greater plantain 76
Plantago major
Common purslane 77
Portulaca oleracea
western virgin's bower 78
Clematis ligusticifolia
narrowleaf willow 56
Salix exigua
moth mullein 56
Verbascum blattaria
great mullein 67
Verbascum thapsus
Meadow Deathcamas 79
Toxicoscordion venenosum

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

Photo Credits

  • 1. (c) Rodrigo Sala, some rights reserved (CC BY-ND)
  • 2. (c) Katja Schulz, some rights reserved (CC BY)
  • 3. (c) Christopher Porter, some rights reserved (CC BY-NC-SA)
  • 4. (c) Dorota (Dorothy), some rights reserved (CC BY-SA)
  • 5. (c) Franco Folini, some rights reserved (CC BY)
  • 6. (c) Owen Wolter, some rights reserved (CC BY-NC-ND)
  • 7. (c) Jim Frazier, some rights reserved (CC BY-NC-ND)
  • 8. (c) cjosefson, some rights reserved (CC BY-NC), uploaded by cjosefson
  • 9. (c) James Gaither, some rights reserved (CC BY-NC-ND)
  • 10. (c) Frank Mayfield, some rights reserved (CC BY-SA)
  • 11. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
  • 12. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
  • 13. (c) Udo Schmidt, some rights reserved (CC BY-SA)
  • 14. (c) 5u5, some rights reserved (CC BY-NC)
  • 15. (c) Mart Hughes, some rights reserved (CC BY-NC), uploaded by Mart Hughes
  • 16. (c) F. D. Richards, some rights reserved (CC BY-SA)
  • 17. (c) Virginia (Ginny) Sanderson, some rights reserved (CC BY-NC-ND)
  • 18. (c) Donna, some rights reserved (CC BY-ND)
  • 19. (c) 106611639464075912591, some rights reserved (CC BY-NC-SA), uploaded by 106611639464075912591
  • 20. (c) Petritap, some rights reserved (CC BY-SA)
  • 21. (c) Endre Hansen, some rights reserved (CC BY-NC)
  • 22. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
  • 23. (c) Brent Miller, some rights reserved (CC BY-NC-ND)
  • 24. (c) Marie Studer, some rights reserved (CC BY), uploaded by Marie Studer
  • 25. (c) Nick Beck, some rights reserved (CC BY-NC-SA)
  • 26. (c) Jeff Coffman, some rights reserved (CC BY)
  • 27. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
  • 28. (c) Flavio Rocchi, some rights reserved (CC BY-NC), uploaded by Flavio Rocchi
  • 29. (c) Mary Keim, some rights reserved (CC BY-NC-SA)
  • 30. (c) beautifulcataya, some rights reserved (CC BY-NC-ND)
  • 31. (c) JanetandPhil, some rights reserved (CC BY-NC-ND)
  • 32. (c) Dan and Raymond, some rights reserved (CC BY-NC-SA)
  • 33. (c) Jeff Thompson, some rights reserved (CC BY-NC), uploaded by Jeff Thompson
  • 34. (c) Carol Jacobs-Carre, some rights reserved (CC BY-NC-ND)
  • 35. (c) dloarie, some rights reserved (CC BY), uploaded by dloarie
  • 36. (c) Sara Rall, some rights reserved (CC BY-NC), uploaded by Sara Rall
  • 37. (c) Grahame, some rights reserved (CC BY-NC-ND), uploaded by Grahame
  • 38. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
  • 39. (c) peupleloup, some rights reserved (CC BY-SA)
  • 40. (c) Sciadopitys, some rights reserved (CC BY-SA)
  • 41. (c) Mick Talbot, some rights reserved (CC BY)
  • 42. (c) Thayne Tuason, some rights reserved (CC BY-NC)
  • 43. (c) Michael Kappel, some rights reserved (CC BY-NC)
  • 44. (c) George F Mayfield, some rights reserved (CC BY-SA)
  • 45. (c) Jesse Varner, some rights reserved (CC BY-NC-SA)
  • 46. (c) randomtruth, some rights reserved (CC BY-NC-SA)
  • 47. (c) Peter O'Connor aka anemoneprojectors, some rights reserved (CC BY-SA)
  • 48. (c) Sue Wetmore, some rights reserved (CC BY-NC), uploaded by Sue Wetmore
  • 49. (c) Peter Gorman, some rights reserved (CC BY-NC-SA)
  • 50. (c) José María Escolano, some rights reserved (CC BY-NC-SA)
  • 51. (c) AnneTanne, some rights reserved (CC BY-NC)
  • 52. (c) Tony Rodd, some rights reserved (CC BY-NC-SA)
  • 53. (c) TreesOfTheWorld.net, some rights reserved (CC BY-NC-SA)
  • 54. (c) Homer Edward Price, some rights reserved (CC BY)
  • 55. (c) Kingsbrae Garden, some rights reserved (CC BY-NC-SA)
  • 56. (c) Matt Lavin, some rights reserved (CC BY-SA)
  • 57. (c) Sander Bos, some rights reserved (CC BY-NC-ND)
  • 58. (c) Ashley M Bradford, some rights reserved (CC BY-NC), uploaded by Ashley M Bradford
  • 59. (c) NjuTIK@, some rights reserved (CC BY-NC-SA)
  • 60. (c) Jorunn D. Newth, some rights reserved (CC BY-NC-SA)
  • 61. (c) 2010 Barry Breckling, some rights reserved (CC BY-NC-SA)
  • 62. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
  • 63. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
  • 64. (c) Marshal Hedin, some rights reserved (CC BY)
  • 65. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
  • 66. (c) 2009 Barry Breckling, some rights reserved (CC BY-NC-SA)
  • 67. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
  • 68. (c) Joshua Mayer, some rights reserved (CC BY-SA)
  • 69. (c) mtash, some rights reserved (CC BY-NC), uploaded by mtash
  • 70. (c) autan, some rights reserved (CC BY-NC-ND)
  • 71. (c) Matthias Barth, some rights reserved (CC BY-NC)
  • 72. (c) Hermann Falkner, some rights reserved (CC BY-NC)
  • 73. (c) Lori Anne, some rights reserved (CC BY-NC), uploaded by Lori Anne
  • 74. (c) Superior National Forest, some rights reserved (CC BY)
  • 75. (c) --Tico--, some rights reserved (CC BY-NC-ND)
  • 76. (c) M.M. R, some rights reserved (CC BY-NC)
  • 77. (c) Monica Krancevic, some rights reserved (CC BY-NC), uploaded by Monica Krancevic
  • 78. (c) Tom Hilton, some rights reserved (CC BY)
  • 79. (c) Belinda Lo, some rights reserved (CC BY-NC-SA)