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Bird List

Updated ~1 day ago
239 All Years 163 This Year 2024 116 This Month Jun 2024
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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (163)

  1. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Jonathan Wilcox
    Location: West Side Trail up Aspen Mountain
  2. Osprey Pandion haliaetus
    # Count: 3
    Date:
    Observer: Lou Schulte
    Location: Osprey nest
  3. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Maryke Swartz
    Location: 2317 Snowmass Creek Rd, Snowmass US-CO 39.30235, -106.97327
  4. Peregrine Falcon Falco peregrinus
    # Count: 2
    Date:
    Observer: William Prusse
    Location: Redstone Campground
  5. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 5
    Date:
    Observer: William Prusse
    Location: Redstone Campground
  6. Western Wood-Pewee Contopus sordidulus
    # Count: 3
    Date:
    Observer: Bonnie Shappell
    Location: Hay Park Trailhead Capitol Side
  7. Purple Martin Progne subis
    # Count: 4
    Date:
    Observer: Bonnie Shappell
    Location: Hay Park Trailhead Capitol Side
  8. Ruby-crowned Kinglet Corthylio calendula
    # Count: 13
    Date:
    Observer: Bonnie Shappell
    Location: Hay Park Trailhead Capitol Side
  9. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Bryan Gieszl
    Location: Home
  10. Swainson's Thrush Catharus ustulatus
    # Count: 3
    Date:
    Observer: Jennifer Percival
    Location: Nature Trail, Snowmass Village US-CO 39.20719, -106.95539
  11. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Carly Crow
    Location: Independence Pass
  12. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Aaron Dubas
    Location: Independence Pass
  13. Horned Lark Eremophila alpestris
    # Count: 2
    Date:
    Observer: Aaron Dubas
    Location: Independence Pass
  14. Wilson's Warbler Cardellina pusilla
    # Count: 7
    Date:
    Observer: Aaron Dubas
    Location: Independence Pass
  15. Mountain Bluebird Sialia currucoides
    # Count: 21
    Date:
    Observer: Liz Bokram
    Location: Owl Creek Ranch (Private)(39.212, -106.887)
  16. Sandhill Crane Antigone canadensis
    # Count: 4
    Date:
    Observer: Norman Erthal
    Location: Emma Open Space
  17. White-throated Swift Aeronautes saxatalis
    # Count: 4
    Date:
    Observer: Norman Erthal
    Location: Colorado 133, Carbondale, Colorado, US (39.232, -107.227)
  18. Plumbeous Vireo Vireo plumbeus
    # Count: 3
    Date:
    Observer: Norman Erthal
    Location: Unnamed Road, Carbondale, Colorado, US (39.344, -107.289)
  19. Clark's Nutcracker Nucifraga columbiana
    # Count: 14
    Date:
    Observer: Norman Erthal
    Location: Unnamed Road, Carbondale, Colorado, US (39.344, -107.289)
  20. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Norman Erthal
    Location: Unnamed Road, Carbondale, Colorado, US (39.344, -107.289)
  21. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Jennifer Percival
    Location: Aspen Center for Environmental Studies
  22. Common Poorwill Phalaenoptilus nuttallii
    # Count: 1
    Date:
    Observer: Norman Erthal
    Location: County Road 108, Colorado, US (39.349, -107.29)
  23. Green-tailed Towhee Pipilo chlorurus
    # Count: 12
    Date:
    Observer: Bryan Gieszl
    Location: Moore Open Space
  24. Great Blue Heron Ardea herodias
    # Count: 16
    Date:
    Observer: Bryan Gieszl
    Location: Aspen Center for Environmental Studies
  25. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Rebecca Weiss
    Location: Northstar, Private Property, Aspen, Colorado, US
  26. Wilson's Snipe Gallinago delicata
    # Count: 3
    Date:
    Observer: Rebecca Weiss
    Location: Northstar, Private Property, Aspen, Colorado, US
  27. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Grant Hokit
    Location: McClure Pass
  28. Hermit Thrush Catharus guttatus
    # Count: 4
    Date:
    Observer: David Suddjian
    Location: Prince Creek Road from end of pavement to Public lands boundary
  29. Lazuli Bunting Passerina amoena
    # Count: 2
    Date:
    Observer: David Suddjian
    Location: Pitkin - Prince Creek Road from Pitkin line to end of pavement
  30. Williamson's Sapsucker Sphyrapicus thyroideus
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Avalanche Creek
  31. Rock Wren Salpinctes obsoletus
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Avalanche Creek
  32. Hammond's Flycatcher Empidonax hammondii
    # Count: 3
    Date:
    Observer: David Suddjian
    Location: Redstone (town)
  33. Western Flycatcher Empidonax difficilis
    # Count: 14
    Date:
    Observer: David Suddjian
    Location: Redstone (town)
  34. Yellow Warbler Setophaga petechia
    # Count: 18
    Date:
    Observer: David Suddjian
    Location: Redstone (town)
  35. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Pitkin - Coal Creek Rd
  36. Warbling Vireo Vireo gilvus
    # Count: 23
    Date:
    Observer: David Suddjian
    Location: Pitkin - Coal Creek Rd
  37. Lincoln's Sparrow Melospiza lincolnii
    # Count: 5
    Date:
    Observer: Kim Potter
    Location: Conundrum Hot Springs
  38. Pine Siskin Spinus pinus
    # Count: 30
    Date:
    Observer: Liz Bokram
    Location: Difficult Campground
  39. Lesser Goldfinch Spinus psaltria
    # Count: 2
    Date:
    Observer: Annie Downing
    Location: 234 E Cody Ln, Basalt US-CO 39.36273, -107.03288
  40. Violet-green Swallow Tachycineta thalassina
    # Count: 50
    Date:
    Observer: Liz Bokram
    Location: Aspen Center for Environmental Studies
  41. Red-naped Sapsucker Sphyrapicus nuchalis
    # Count: 4
    Date:
    Observer: Bryan Gieszl
    Location: Difficult Campground
  42. Song Sparrow Melospiza melodia
    # Count: 13
    Date:
    Observer: Bryan Gieszl
    Location: Difficult Campground
  43. Black-billed Magpie Pica hudsonia
    # Count: 40
    Date:
    Observer: Catherine Hagen
    Location: Rio Grande Trail--Jaffee Park to Gerbaz Way Bridge
  44. Western Tanager Piranga ludoviciana
    # Count: 15
    Date:
    Observer: George Waaler
    Location: Wagon Wheel Trail
  45. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 17
    Date:
    Observer: George Waaler
    Location: Wagon Wheel Trail
  46. Northern Flicker Colaptes auratus
    # Count: 5
    Date:
    Observer: Chris Daniels
    Location: Windstar Ranch Loop Trail
  47. Virginia's Warbler Leiothlypis virginiae
    # Count: 5
    Date:
    Observer: Chris Daniels
    Location: Windstar Ranch Loop Trail
  48. Western Meadowlark Sturnella neglecta
    # Count: 2
    Date:
    Observer: Liz Bokram
    Location: 2759 County Road 12, Aspen, Colorado, US (39.212, -106.901) (Private)
  49. Brown-headed Cowbird Molothrus ater
    # Count: 30
    Date:
    Observer: Liz Bokram
    Location: 2759 County Road 12, Aspen, Colorado, US (39.212, -106.901) (Private)
  50. American Three-toed Woodpecker Picoides dorsalis
    # Count: 1
    Date:
    Observer: Chris Daniels
    Location: Difficult Campground
  51. Cooper's Hawk Accipiter cooperii
    # Count: 2
    Date:
    Observer: George Waaler
    Location: Difficult Campground
  52. Spotted Sandpiper Actitis macularius
    # Count: 4
    Date:
    Observer: Liz Bokram
    Location: Aspen Center for Environmental Studies
  53. Mourning Dove Zenaida macroura
    # Count: 5
    Date:
    Observer: George Waaler
    Location: Avalanche Creek
  54. Western Kingbird Tyrannus verticalis
    # Count: 2
    Date:
    Observer: George Waaler
    Location: Avalanche Creek
  55. Chipping Sparrow Spizella passerina
    # Count: 15
    Date:
    Observer: George Waaler
    Location: Avalanche Creek
  56. Flammulated Owl Psiloscops flammeolus
    # Count: 3
    Date:
    Observer: Chris Daniels
    Location: Sunnyside Trail, Aspen US-CO 39.22893, -106.82680
  57. Dusky Flycatcher Empidonax oberholseri
    # Count: 6
    Date:
    Observer: Bryan Gieszl
    Location: Windstar Ranch Loop Trail
  58. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 10
    Date:
    Observer: Bryan Gieszl
    Location: Windstar Ranch Loop Trail
  59. House Wren Troglodytes aedon
    # Count: 14
    Date:
    Observer: Bryan Gieszl
    Location: Windstar Ranch Loop Trail
  60. Brewer's Sparrow Spizella breweri
    # Count: 6
    Date:
    Observer: Bryan Gieszl
    Location: Windstar Ranch Loop Trail
  61. Golden-crowned Kinglet Regulus satrapa
    # Count: 3
    Date:
    Observer: Jackson Trappett
    Location: Perham creek trail
  62. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Matt Blaze
    Location: John Denver Meadowlands
  63. Savannah Sparrow Passerculus sandwichensis
    # Count: 10
    Date:
    Observer: Matt Blaze
    Location: John Denver Meadowlands
  64. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: 18
    Date:
    Observer: George Waaler
    Location: Wetlands near Hwy 133 and Pitkin CR 3
  65. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 12
    Date:
    Observer: Bryan Gieszl
    Location: Home
  66. Red-tailed Hawk Buteo jamaicensis
    # Count: 4
    Date:
    Observer: Catherine Hagen
    Location: Windstar, Snowmass Creek Road, Snowmass, Colorado, US (39.302, -106.973)
  67. Say's Phoebe Sayornis saya
    # Count: 3
    Date:
    Observer: Catherine Hagen
    Location: Windstar, Snowmass Creek Road, Snowmass, Colorado, US (39.302, -106.973)
  68. Bullock's Oriole Icterus bullockii
    # Count: 4
    Date:
    Observer: Catherine Hagen
    Location: Windstar, Snowmass Creek Road, Snowmass, Colorado, US (39.302, -106.973)
  69. Townsend's Solitaire Myadestes townsendi
    # Count: 3
    Date:
    Observer: Rebecca Weiss
    Location: Ute Cemetery
  70. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 5
    Date:
    Observer: Bryan Gieszl
    Location: Chapman Campground
  71. American Pipit Anthus rubescens
    # Count: 400
    Date:
    Observer: Bryan Gieszl
    Location: Ruedi Reservoir (Pitkin County)
  72. Fox Sparrow Passerella iliaca
    # Count: 5
    Date:
    Observer: Adriana Jacobi 🦜
    Location: Independence Pass
  73. Black-chinned Hummingbird Archilochus alexandri
    # Count: 4
    Date:
    Observer: Bryan Gieszl
    Location: Fairview Cemetery (Basalt)
  74. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 6
    Date:
    Observer: Chris Daniels
    Location: Triangle Peak Trail, Meredith US-CO 39.30097, -106.92295
  75. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Chris Daniels
    Location: The Snowmass Club, Snowmass Village US-CO (39.2154,-106.9283)
  76. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Bryan Gieszl
    Location: Fairview Cemetery (Basalt)
  77. Turkey Vulture Cathartes aura
    # Count: 9
    Date:
    Observer: Rebecca Weiss
    Location: Radar Rd, Aspen US-CO 39.22431, -106.87293
  78. Woodhouse's Scrub-Jay Aphelocoma woodhouseii
    # Count: 5
    Date:
    Observer: Rebecca Weiss
    Location: Radar Rd, Aspen US-CO 39.22431, -106.87293
  79. Gray Catbird Dumetella carolinensis
    # Count: 3
    Date:
    Observer: Rebecca Weiss
    Location: Radar Rd, Aspen US-CO 39.22431, -106.87293
  80. Orange-crowned Warbler Leiothlypis celata
    # Count: 9
    Date:
    Observer: Rebecca Weiss
    Location: Radar Rd, Aspen US-CO 39.22431, -106.87293
  81. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 5
    Date:
    Observer: Catherine Hagen
    Location: Emma Road, Basalt, Colorado, US (39.365, -107.059)
  82. Yellow-rumped Warbler Setophaga coronata
    # Count: 20
    Date:
    Observer: Jim Prall
    Location: East Of Aspen Trail, Aspen US-CO 39.17873, -106.80180
  83. Eared Grebe Podiceps nigricollis
    # Count: 5
    Date:
    Observer: Bryan Gieszl
    Location: Ruedi Reservoir (Pitkin County)
  84. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Jim Prall
    Location: John Denver Sanctuary
  85. Band-tailed Pigeon Patagioenas fasciata
    # Count: 1
    Date:
    Observer: Bryan Gieszl
    Location: Home
  86. Bank Swallow Riparia riparia
    # Count: 1
    Date:
    Observer: Bryan Gieszl
    Location: East Brush Creek Nature Trail and Ponds
  87. Blue-winged Teal Spatula discors
    # Count: 1
    Date:
    Observer: Phebe Meyers
    Location: Aspen Center for Environmental Studies
  88. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Phebe Meyers
    Location: Aspen Center for Environmental Studies
  89. Harris's Sparrow Zonotrichia querula
    # Count: 1
    Date:
    Observer: George Waaler
    Location: 478 Oak Ridge Rd, Snowmass Village US-CO 39.22804, -106.93214
  90. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: Phebe Meyers
    Location: Aspen Center for Environmental Studies
  91. Dusky Grouse Dendragapus obscurus
    # Count: 8
    Date:
    Observer: Chris Daniels
    Location: Avalanche Creek
  92. Tree Swallow Tachycineta bicolor
    # Count: 90
    Date:
    Observer: Bryan Gieszl
    Location: Clubhouse ponds
  93. Marsh Wren Cistothorus palustris
    # Count: 2
    Date:
    Observer: Bryan Gieszl
    Location: Clubhouse ponds
  94. Western Grebe Aechmophorus occidentalis
    # Count: 8
    Date:
    Observer: Chris Daniels
    Location: Rim Trail South (Yin Yang Intersection to Sinclair Rd)
  95. Barn Swallow Hirundo rustica
    # Count: 5
    Date:
    Observer: Chris Daniels
    Location: The Snowmass Club, Snowmass Village US-CO 39.22306, -106.92634
  96. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 26
    Date:
    Observer: Chris Daniels
    Location: The Snowmass Club, Snowmass Village US-CO 39.22306, -106.92634
  97. Brown-capped Rosy-Finch Leucosticte australis
    # Count: 800
    Date:
    Observer: Bryan Gieszl
    Location: Home
  98. Common Merganser Mergus merganser
    # Count: 29
    Date:
    Observer: Bryan Gieszl
    Location: Ruedi Reservoir (Pitkin County)
  99. Killdeer Charadrius vociferus
    # Count: 2
    Date:
    Observer: Bryan Gieszl
    Location: Ruedi Reservoir (Pitkin County)
  100. American Robin Turdus migratorius
    # Count: 30
    Date:
    Observer: Bryan Gieszl
    Location: Ruedi Reservoir (Pitkin County)
  101. Dark-eyed Junco Junco hyemalis
    # Count: 80
    Date:
    Observer: Bryan Gieszl
    Location: Ruedi Reservoir (Pitkin County)
  102. Vesper Sparrow Pooecetes gramineus
    # Count: 15
    Date:
    Observer: Bryan Gieszl
    Location: Ruedi Reservoir (Pitkin County)
  103. Hooded Merganser Lophodytes cucullatus
    # Count: 7
    Date:
    Observer: Liz Bokram
    Location: Lake Wildcat Way, Snowmass, Colorado, US (39.243, -106.953) Private
  104. Lewis's Woodpecker Melanerpes lewis
    # Count: 2
    Date:
    Observer: missy Prudden
    Location: 7406 Upper River Rd, Aspen US-CO (39.2793,-106.8907)
  105. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Barry Mink
    Location: Brush Creek Co
  106. Gadwall Mareca strepera
    # Count: 19
    Date:
    Observer: Bryan Gieszl
    Location: East Brush Creek Nature Trail and Ponds
  107. Red-breasted Nuthatch Sitta canadensis
    # Count: 3
    Date:
    Observer: adr cso
    Location: Arbaney Kittle Trail
  108. Northern Shoveler Spatula clypeata
    # Count: 11
    Date:
    Observer: Chris Daniels
    Location: Black Bess Day Use Area
  109. Bufflehead Bucephala albeola
    # Count: 2
    Date:
    Observer: Chris Daniels
    Location: Black Bess Day Use Area
  110. Willet Tringa semipalmata
    # Count: 6
    Date:
    Observer: Chris Daniels
    Location: Black Bess Day Use Area
  111. American Coot Fulica americana
    # Count: 15
    Date:
    Observer: Bryan Gieszl
    Location: East Brush Creek Nature Trail and Ponds
  112. Virginia Rail Rallus limicola
    # Count: 3
    Date:
    Observer: Bryan Gieszl
    Location: Emma Open Space
  113. Cinnamon Teal Spatula cyanoptera
    # Count: 2
    Date:
    Observer: Bryan Gieszl
    Location: Ruedi Reservoir (Pitkin County)
  114. Franklin's Gull Leucophaeus pipixcan
    # Count: 60
    Date:
    Observer: Bryan Gieszl
    Location: Ruedi Reservoir (Pitkin County)
  115. Spotted Towhee Pipilo maculatus
    # Count: 12
    Date:
    Observer: Chris Daniels
    Location: Windstar Ranch Loop Trail
  116. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: Chris Daniels
    Location: 132 Emma Rd, Basalt US-CO 39.36399, -107.03417
  117. Black Rosy-Finch Leucosticte atrata
    # Count: 4
    Date:
    Observer: Bryan Gieszl
    Location: Home
  118. Greater Yellowlegs Tringa melanoleuca
    # Count: 2
    Date:
    Observer: Rebecca Weiss
    Location: East Brush Creek Nature Trail and Ponds
  119. Lesser Scaup Aythya affinis
    # Count: 5
    Date:
    Observer: Bryan Gieszl
    Location: East Brush Creek Nature Trail and Ponds
  120. Ring-billed Gull Larus delawarensis
    # Count: 3
    Date:
    Observer: Bryan Gieszl
    Location: East Brush Creek Nature Trail and Ponds
  121. Evening Grosbeak Coccothraustes vespertinus
    # Count: 33
    Date:
    Observer: Catherine Hagen
    Location: Midland Park Place, Aspen, Colorado, US (39.189, -106.809)
  122. Common Grackle Quiscalus quiscula
    # Count: 1
    Date:
    Observer: Bryan Gieszl
    Location: Home
  123. Pine Grosbeak Pinicola enucleator
    # Count: 15
    Date:
    Observer: Bryan Gieszl
    Location: East Brush Creek Nature Trail and Ponds
  124. Canada Goose Branta canadensis
    # Count: 42
    Date:
    Observer: Phebe Meyers
    Location: Aspen Center for Environmental Studies
  125. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Chris Daniels
    Location: 1200–1332 Owl Creek Rd, Aspen US-CO (39.2209,-106.8739)
  126. Hairy Woodpecker Dryobates villosus
    # Count: 3
    Date:
    Observer: Chris Daniels
    Location: Government Trail, Snowmass Village US-CO 39.19123, -106.90652
  127. Brown Creeper Certhia americana
    # Count: 2
    Date:
    Observer: Chris Daniels
    Location: Government Trail
  128. Downy Woodpecker Dryobates pubescens
    # Count: 3
    Date:
    Observer: Chris Daniels
    Location: Chris’ House
  129. Cedar Waxwing Bombycilla cedrorum
    # Count: 23
    Date:
    Observer: Bryan Gieszl
    Location: 16 Kearns Rd, Snowmass Village US-CO 39.21112, -106.94508
  130. Bald Eagle Haliaeetus leucocephalus
    # Count: 3
    Date:
    Observer: Chris Daniels
    Location: Wilton Jaffee Sr Park
  131. Northern Saw-whet Owl Aegolius acadicus
    # Count: 1
    Date:
    Observer: Chris Daniels
    Location: Independence Pass Winter Closure Gate
  132. Mexican Duck Anas diazi
    # Count: 1
    Date:
    Observer: Nathan Pieplow
    Location: Aspen Mass Open Space
  133. Common Raven Corvus corax
    # Count: 150
    Date:
    Observer: Catherine Hagen
    Location: Pitkin County Landfill (39.287, -106.912)
  134. Ring-necked Duck Aythya collaris
    # Count: 64
    Date:
    Observer: Bryan Gieszl
    Location: East Brush Creek Nature Trail and Ponds
  135. American Dipper Cinclus mexicanus
    # Count: 10
    Date:
    Observer: Chris Daniels
    Location: Wilton Jaffee Sr Park
  136. White-tailed Ptarmigan Lagopus leucura
    # Count: 9
    Date:
    Observer: Rebecca Weiss
    Location: White River National Forest, Snowmass Village US-CO 39.16757, -106.96621
  137. European Starling Sturnus vulgaris
    # Count: 15
    Date:
    Observer: Lisa Ayres
    Location: Basalt Ave, Basalt US-CO 39.36609, -107.03377
  138. Wild Turkey Meleagris gallopavo
    # Count: 15
    Date:
    Observer: Susan Downey
    Location: 7202 Colorado 133, Carbondale, Colorado, US (39.319, -107.21)
  139. Canada Jay Perisoreus canadensis
    # Count: 10
    Date:
    Observer: Luke Reynolds
    Location: Aspen Mountain
  140. House Finch Haemorhous mexicanus
    # Count: 25
    Date:
    Observer: Catherine Hagen
    Location: Yard, Aspen, Colorado, US (39.189, -106.809)
  141. Northern Pygmy-Owl Glaucidium gnoma
    # Count: 1
    Date:
    Observer: Chris Daniels
    Location: White River National Forest, Snowmass Village US-CO 39.19666, -106.93037
  142. House Sparrow Passer domesticus
    # Count: 80
    Date:
    Observer: Catherine Hagen
    Location: Yard, Aspen, Colorado, US (39.189, -106.809)
  143. American Wigeon Mareca americana
    # Count: 6
    Date:
    Observer: Bryan Gieszl
    Location: 964 Lower River Rd, Snowmass US-CO 39.33102, -106.96818
  144. Mountain Chickadee Poecile gambeli
    # Count: 30
    Date:
    Observer: Gordon Starkebaum
    Location: Wapiti Wildlife Center
  145. Red Crossbill Loxia curvirostra
    # Count: 3
    Date:
    Observer: Chris Daniels
    Location: Chris’ House
  146. Green-winged Teal Anas crecca
    # Count: 15
    Date:
    Observer: Bryan Gieszl
    Location: East Brush Creek Nature Trail and Ponds
  147. Gray-crowned Rosy-Finch Leucosticte tephrocotis
    # Count: 45
    Date:
    Observer: Michelle McKim
    Location: Sam's Knob
  148. American Goldfinch Spinus tristis
    # Count: 7
    Date:
    Observer: Catherine Hagen
    Location: Yard, Aspen, Colorado, US (39.189, -106.809)
  149. Cassin's Finch Haemorhous cassinii
    # Count: 90
    Date:
    Observer: Bryan Gieszl
    Location: Home
  150. Black-capped Chickadee Poecile atricapillus
    # Count: 15
    Date:
    Observer: Jeff Aufmann
    Location: Ponderosa Park, Basalt US-CO
  151. Pygmy Nuthatch Sitta pygmaea
    # Count: 4
    Date:
    Observer: Dick Filby
    Location: Redstone (town)
  152. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 12
    Date:
    Observer: Jeff Aufmann
    Location: Art’s place 324 Alexander Ln, Basalt US-CO (39.3611,-107.0365)
  153. Cassia Crossbill Loxia sinesciuris
    # Count: 6
    Date:
    Observer: Chris Daniels
    Location: Government Trail
  154. Steller's Jay Cyanocitta stelleri
    # Count: 22
    Date:
    Observer: Dick Filby
    Location: Fox Run / Two Creeks Drive area, Snowmass Colorado, US (39.211, -106.926)
  155. Rock Pigeon Columba livia
    # Count: 30
    Date:
    Observer: Rhys Marsh
    Location: Wagner Park
  156. Bohemian Waxwing Bombycilla garrulus
    # Count: 15
    Date:
    Observer: Bryan Gieszl
    Location: Pond in Fox Run subdivision
  157. Pinyon Jay Gymnorhinus cyanocephalus
    # Count: 30
    Date:
    Observer: Dick Filby
    Location: 201 Colorado 82, Basalt, Colorado, US (39.364, -107.035)
  158. Red-winged Blackbird Agelaius phoeniceus
    # Count: 120
    Date:
    Observer: Bryan Gieszl
    Location: Home
  159. Bushtit Psaltriparus minimus
    # Count: 8
    Date:
    Observer: Bryan Gieszl
    Location: 1–45 Rainbow Ln, Aspen US-CO 39.28967, -106.90340
  160. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Dick Filby
    Location: 425 Gerbaz Way, Snowmass, Colorado, US (39.299, -106.919)
  161. Mallard Anas platyrhynchos
    # Count: 218
    Date:
    Observer: Dick Filby
    Location: East Brush Creek Nature Trail and Ponds
  162. American Crow Corvus brachyrhynchos
    # Count: 280
    Date:
    Observer: Bryan Gieszl
    Location: Aspen Mountain
  163. White-breasted Nuthatch Sitta carolinensis
    # Count: 4
    Date:
    Observer: Chris St Laurent
    Location: Rio Grande Trail

Additional Taxa (12)

  1. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Bonnie Shappell
    Location: Hay Park Trailhead Capitol Side
  2. duck sp. Anatidae (duck sp.)
    # Count: 2
    Date:
    Observer: Bill Oldham
    Location: Maroon Snowmass Trail, Aspen US-CO 39.09577, -106.95062
  3. Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa
    # Count: 1
    Date:
    Observer: Barry Mink
    Location: Brush Creek Co
  4. hummingbird sp. Trochilidae sp.
    # Count: 10
    Date:
    Observer: Sydney McBrayer
    Location: home
  5. rosy-finch sp. Leucosticte sp.
    # Count: 500
    Date:
    Observer: Bryan Gieszl
    Location: Home
  6. Black-capped/Mountain Chickadee Poecile atricapillus/gambeli
    # Count: 2
    Date:
    Observer: missy Prudden
    Location: 7406 Upper River Rd, Aspen US-CO (39.2793,-106.8907)
  7. swallow sp. Hirundinidae sp.
    # Count: 3
    Date:
    Observer: missy Prudden
    Location: 7406 Upper River Rd, Aspen US-CO (39.2793,-106.8907)
  8. bluebird sp. Sialia sp.
    # Count: 2
    Date:
    Observer: missy Prudden
    Location: 7406 Upper River Rd, Aspen US-CO (39.2793,-106.8907)
  9. new world sparrow sp. Passerellidae sp.
    # Count: 3
    Date:
    Observer: Bryan Gieszl
    Location: Ruedi Reservoir (Pitkin County)
  10. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Catherine Hagen
    Location: Cozy Point Open Space, Aspen, Colorado, US (39.25, -106.885)
  11. finch sp. Fringillidae sp.
    # Count: 2
    Date:
    Observer: Barry Mink
    Location: Brush Creek Co
  12. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Catherine Hagen
    Location: Aspen Golf Course, Colorado, US (39.201, -106.847)