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Bird List

Updated ~2 days ago
283 All Years 167 This Year 2024 122 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (167)

  1. Common Poorwill Phalaenoptilus nuttallii
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Owl Mountain SWA
  2. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Michigan River wetlands near Jackson CR 30
  3. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Michigan River wetlands near Jackson CR 30
  4. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Michigan River wetlands near Jackson CR 30
  5. Black-billed Magpie Pica hudsonia
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Michigan River wetlands near Jackson CR 30
  6. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Michigan River wetlands near Jackson CR 30
  7. Yellow Warbler Setophaga petechia
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Michigan River wetlands near Jackson CR 30
  8. Gadwall Mareca strepera
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Yarmony Ranch SWA
  9. Green-winged Teal Anas crecca
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Yarmony Ranch SWA
  10. Mourning Dove Zenaida macroura
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Yarmony Ranch SWA
  11. Red-winged Blackbird Agelaius phoeniceus
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Yarmony Ranch SWA
  12. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir--SE side
  13. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir--SE side
  14. American White Pelican Pelecanus erythrorhynchos
    # Count: 6
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir--SE side
  15. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 7
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir--SE side
  16. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir--SE side
  17. American Robin Turdus migratorius
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir--SE side
  18. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir--SE side
  19. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir--SE side
  20. American Avocet Recurvirostra americana
    # Count: 2
    Date:
    Observer: Jacob Grudle
    Location: Walden Reservoir--SE side
  21. Blue-winged Teal Spatula discors
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  22. Cinnamon Teal Spatula cyanoptera
    # Count: 5
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  23. Northern Shoveler Spatula clypeata
    # Count: 4
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  24. American Wigeon Mareca americana
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  25. Mallard Anas platyrhynchos
    # Count: 5
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  26. Canvasback Aythya valisineria
    # Count: 4
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  27. Lesser Scaup Aythya affinis
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  28. American Coot Fulica americana
    # Count: 5
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  29. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  30. California Gull Larus californicus
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  31. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 6
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  32. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  33. Swainson's Hawk Buteo swainsoni
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  34. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  35. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  36. Common Raven Corvus corax
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  37. Tree Swallow Tachycineta bicolor
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  38. Barn Swallow Hirundo rustica
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  39. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  40. European Starling Sturnus vulgaris
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  41. Mountain Bluebird Sialia currucoides
    # Count: 4
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  42. Brewer's Sparrow Spizella breweri
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  43. Vesper Sparrow Pooecetes gramineus
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  44. Savannah Sparrow Passerculus sandwichensis
    # Count: 8
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  45. Song Sparrow Melospiza melodia
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  46. Western Meadowlark Sturnella neglecta
    # Count: 4
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR
  47. Canada Goose Branta canadensis
    # Count: 13
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  48. Redhead Aythya americana
    # Count: 4
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  49. Ruddy Duck Oxyura jamaicensis
    # Count: 16
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  50. Eared Grebe Podiceps nigricollis
    # Count: 30
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  51. Sora Porzana carolina
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  52. Wilson's Phalarope Phalaropus tricolor
    # Count: 6
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  53. Willet Tringa semipalmata
    # Count: 4
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  54. Forster's Tern Sterna forsteri
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  55. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  56. Horned Lark Eremophila alpestris
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  57. Sage Thrasher Oreoscoptes montanus
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  58. Brown-headed Cowbird Molothrus ater
    # Count: 7
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  59. Ring-necked Duck Aythya collaris
    # Count: 4
    Date:
    Observer: Tyler Wilson
    Location: Pole Mountain Lake
  60. Spotted Sandpiper Actitis macularius
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Pole Mountain Lake
  61. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Pole Mountain Lake
  62. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Pole Mountain Lake
  63. American Goldfinch Spinus tristis
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Pole Mountain Lake
  64. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 6
    Date:
    Observer: Tyler Wilson
    Location: Pole Mountain Lake
  65. Common Grackle Quiscalus quiscula
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Pole Mountain Lake
  66. Western Cattle Egret Bubulcus ibis
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: 18 Island Reservoir
  67. White-faced Ibis Plegadis chihi
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: 18 Island Reservoir
  68. Western Grebe Aechmophorus occidentalis
    # Count: 4
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  69. Clark's Grebe Aechmophorus clarkii
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  70. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  71. House Sparrow Passer domesticus
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  72. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Seymour Lake SWA
  73. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Jacob Grudle
    Location: 277–503 CR-30, Walden US-CO 40.61825, -106.08628
  74. Turkey Vulture Cathartes aura
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  75. Warbling Vireo Vireo gilvus
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  76. Steller's Jay Cyanocitta stelleri
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  77. Mountain Chickadee Poecile gambeli
    # Count: 5
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  78. Violet-green Swallow Tachycineta thalassina
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  79. Ruby-crowned Kinglet Corthylio calendula
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  80. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  81. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  82. Evening Grosbeak Coccothraustes vespertinus
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  83. Red Crossbill Loxia curvirostra
    # Count: 6
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  84. Chipping Sparrow Spizella passerina
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  85. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  86. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  87. Yellow-rumped Warbler Setophaga coronata
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  88. Wilson's Warbler Cardellina pusilla
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  89. Western Tanager Piranga ludoviciana
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Muddy Pass Lake
  90. Common Merganser Mergus merganser
    # Count: 3
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir--SE side
  91. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir--SE side
  92. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir--SE side
  93. Osprey Pandion haliaetus
    # Count: 2
    Date:
    Observer: Angelo DelloMargio
    Location: Muddy Pass Lake
  94. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Muddy Pass Lake
  95. Pine Siskin Spinus pinus
    # Count: 3
    Date:
    Observer: Angelo DelloMargio
    Location: Muddy Pass Lake
  96. Red-naped Sapsucker Sphyrapicus nuchalis
    # Count: 1
    Date:
    Observer: Macy Schmidt
    Location: State Forest SP--Ranger Lakes Campground area
  97. Canada Jay Perisoreus canadensis
    # Count: 2
    Date:
    Observer: Macy Schmidt
    Location: State Forest SP--Ranger Lakes Campground area
  98. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Macy Schmidt
    Location: State Forest SP--Ranger Lakes Campground area
  99. Golden Eagle Aquila chrysaetos
    # Count: 2
    Date:
    Observer: Angelo DelloMargio
    Location: Arapaho NWR--east side Hwy. 125 access
  100. Greater Sage-Grouse Centrocercus urophasianus
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  101. Bank Swallow Riparia riparia
    # Count: 4
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  102. Franklin's Gull Leucophaeus pipixcan
    # Count: 6
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir--SE side
  103. Rock Pigeon Columba livia
    # Count: 2
    Date:
    Observer: Kevin Molloy
    Location: Richard SWA
  104. Green-tailed Towhee Pipilo chlorurus
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Richard SWA
  105. Northern Pintail Anas acuta
    # Count: 4
    Date:
    Observer: Kadynn Hatfield
    Location: Coalmont area
  106. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Kadynn Hatfield
    Location: Coalmont area
  107. Northern Harrier Circus hudsonius
    # Count: 2
    Date:
    Observer: Jun Tsuchiya
    Location: Arapaho NWR
  108. Black-necked Stilt Himantopus mexicanus
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Arapaho NWR--Auto Loop
  109. Marbled Godwit Limosa fedoa
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Arapaho NWR--Auto Loop
  110. Bufflehead Bucephala albeola
    # Count: 1
    Date:
    Observer: Nolan A. Walker
    Location: Muddy Pass Lake
  111. Long-billed Curlew Numenius americanus
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Yarmony Ranch SWA
  112. Black-capped Chickadee Poecile atricapillus
    # Count: 1
    Date:
    Observer: David Schulte
    Location: State Forest SP--Moose Visitor Center
  113. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Finn Harty
    Location: Arapaho NWR--east side Hwy. 125 access
  114. Lark Sparrow Chondestes grammacus
    # Count: 2
    Date:
    Observer: Finn Harty
    Location: Arapaho NWR--east side Hwy. 125 access
  115. Common Yellowthroat Geothlypis trichas
    # Count: 2
    Date:
    Observer: Finn Harty
    Location: Arapaho NWR--east side Hwy. 125 access
  116. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Finn Harty
    Location: Cameron Pass (Jackson Co.)
  117. Cassin's Finch Haemorhous cassinii
    # Count: 2
    Date:
    Observer: Penguin Iceberg
    Location: State Forest SP--Moose Visitor Center
  118. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Laurie Kleespies
    Location: Arapaho NWR--Auto Loop
  119. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: Penguin Iceberg
    Location: Walden (town)
  120. Dusky Flycatcher Empidonax oberholseri
    # Count: 1
    Date:
    Observer: Carol Bell
    Location: State Forest SP--Moose Visitor Center
  121. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Carol Bell
    Location: Lake John
  122. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: Larry Mays
    Location: Arapaho NWR--Auto Loop
  123. Red-necked Phalarope Phalaropus lobatus
    # Count: 2
    Date:
    Observer: Adrian Lakin
    Location: Pole Mountain Lake
  124. Willow Flycatcher Empidonax traillii
    # Count: 2
    Date:
    Observer: Neil Brown
    Location: Pole Mountain Lake
  125. Boreal Owl Aegolius funereus
    # Count: 1
    Date:
    Observer: Neil Brown
    Location: Muddy Pass Lake
  126. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  127. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: Arapaho NWR--Auto Loop
  128. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Martina Nordstrand
    Location: 68193 Colorado 14, Walden, Colorado, US (40.507, -105.886)
  129. Dusky Grouse Dendragapus obscurus
    # Count: 1
    Date:
    Observer: Martina Nordstrand
    Location: 65957 Colorado 14, Walden, Colorado, US (40.505, -105.911)
  130. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Alecia Gorski
    Location: 28874–28998 SH-125, Walden US-CO 40.67928, -106.29456
  131. Eastern Kingbird Tyrannus tyrannus
    # Count: 2
    Date:
    Observer: Bob Boekelheide
    Location: Arapaho NWR
  132. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  133. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  134. Spotted Towhee Pipilo maculatus
    # Count: 4
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  135. Sagebrush Sparrow Artemisiospiza nevadensis
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Arapaho NWR--Auto Loop
  136. Townsend's Solitaire Myadestes townsendi
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: 31–99 CR-21, Rand US-CO 40.44298, -106.14405
  137. Sandhill Crane Antigone canadensis
    # Count: 1
    Date:
    Observer: Shay Howlin
    Location: Arapaho NWR--east side Hwy. 125 access
  138. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Alecia Gorski
    Location: Muddy Pass Lake
  139. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Alecia Gorski
    Location: Muddy Pass Lake
  140. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  141. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 2
    Date:
    Observer: Kevin Coleman
    Location: Walden
  142. Brown-capped Rosy-Finch Leucosticte australis
    # Count: 4
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  143. Black Rosy-Finch Leucosticte atrata
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  144. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 2
    Date:
    Observer: Steve Barlow
    Location: Arapaho NWR--Auto Loop
  145. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: Sally Sprouse
    Location: Jackson County Lions Club Wetland
  146. Semipalmated Plover Charadrius semipalmatus
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  147. Lesser Yellowlegs Tringa flavipes
    # Count: 3
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  148. Least Sandpiper Calidris minutilla
    # Count: 2
    Date:
    Observer: Joe Kipper
    Location: Pole Mountain Lake
  149. American Dipper Cinclus mexicanus
    # Count: 1
    Date:
    Observer: Chandriée Davis
    Location: Moose Goose Nature Trail Waldon, Co
  150. Snow Goose Anser caerulescens
    # Count: 6
    Date:
    Observer: Sue Riffe
    Location: Walden Reservoir--SE side
  151. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Karen Coupland
    Location: Arapaho NWR--Auto Loop
  152. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Karen Coupland
    Location: Arapaho NWR
  153. Lesser Goldfinch Spinus psaltria
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  154. Common Goldeneye Bucephala clangula
    # Count: 2
    Date:
    Observer: Julia Johnson
    Location: Arapaho NWR--Auto Loop
  155. Pine Grosbeak Pinicola enucleator
    # Count: 1
    Date:
    Observer: Wes Donnell
    Location: State Forest SP--Moose Visitor Center
  156. Northern Pygmy-Owl Glaucidium gnoma
    # Count: 1
    Date:
    Observer: Wes Donnell
    Location: North Michigan Creek Reservoir
  157. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Julia Johnson
    Location: State Forest SP--Moose Visitor Center
  158. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Wes Donnell
    Location: Arapaho NWR
  159. Pygmy Nuthatch Sitta pygmaea
    # Count: 2
    Date:
    Observer: Wes Donnell
    Location: State Forest SP
  160. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: Ezekiel Dobson
    Location: Walden Reservoir
  161. Barrow's Goldeneye Bucephala islandica
    # Count: 1
    Date:
    Observer: Kathryn Kay
    Location: Walden Reservoir--SE side
  162. Gray-crowned Rosy-Finch Leucosticte tephrocotis
    # Count: 4
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  163. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Skye Haas
    Location: State Forest SP--Moose Visitor Center
  164. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Tom Slyker
    Location: Coalmont Lek--ARRIVE IN DARK, STAY IN CAR, DO NOT DISTURB DISPLAYING BIRDS!
  165. Western Bluebird Sialia mexicana
    # Count: 2
    Date:
    Observer: Rebecca Rizor
    Location: 35151 SH-14, Walden US-CO 40.71681, -106.27165
  166. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Spencer Hurt
    Location: CO Highway 127
  167. Long-eared Owl Asio otus
    # Count: 1

Additional Taxa (23)

  1. gull sp. Larinae sp.
    # Count: 1
    Date:
    Observer: Macy Schmidt
    Location: State Forest SP--Ranger Lakes Campground area
  2. new world sparrow sp. Passerellidae sp.
    # Count: 3
    Date:
    Observer: Macy Schmidt
    Location: State Forest SP--Ranger Lakes Campground area
  3. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  4. swallow sp. Hirundinidae sp.
    # Count: 25
    Date:
    Observer: Spencer Hurt
    Location: Arapaho NWR--Interpretive Trail
  5. blackbird sp. Icteridae sp.
    # Count: 70
    Date:
    Observer: Spencer Hurt
    Location: Walden Reservoir
  6. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 1
    Date:
    Observer: Neil Brown
    Location: Muddy Pass Lake
  7. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  8. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 4
    Date:
    Observer: Alecia Gorski
    Location: 28874–28998 SH-125, Walden US-CO 40.67932, -106.29450
  9. duck sp. Anatidae (duck sp.)
    # Count: 1
    Date:
    Observer: Sarah Lupis
    Location: 9726–9798 SH-14, Walden US-CO 40.43591, -106.45636
  10. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  11. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Kevin Coleman
    Location: Walden
  12. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 4
    Date:
    Observer: Steve Barlow
    Location: Arapaho NWR--Auto Loop
  13. crow/raven sp. Corvus sp.
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: 80480, Rand US-CO 40.44526, -106.12302
  14. Spizella sp. Spizella sp.
    # Count: 1
    Date:
    Observer: Joe Kipper
    Location: County Road 24, Coalmont, Colorado, US (40.588, -106.425)
  15. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: Chandriée Davis
    Location: Moose Goose Nature Trail Waldon, Co
  16. Purple/Cassin's Finch Haemorhous purpureus/cassinii
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  17. Larus sp. Larus sp.
    # Count: 1
    Date:
    Observer: George Kinney
    Location: Coalmont Lek--ARRIVE IN DARK, STAY IN CAR, DO NOT DISTURB DISPLAYING BIRDS!
  18. Black-capped/Mountain Chickadee Poecile atricapillus/gambeli
    # Count: 4
    Date:
    Observer: Sally Sprouse
    Location: Beaver Lodge Nature Trail
  19. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Sally Palmer
    Location: Walden Reservoir
  20. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Skye Haas
    Location: 21500–21528 SH-14, Walden US-CO 40.56377, -106.40726
  21. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 1
    Date:
    Observer: Spencer Hurt
    Location: CO 125 (Walden to CO 127)
  22. rosy-finch sp. Leucosticte sp.
    # Count: 100
    Date:
    Observer: Jason Beason
    Location: Cowdrey Ponds
  23. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 3
    Date:
    Observer: Spencer Hurt
    Location: CO Highway 125 (Between Rand and Walden)