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Bird List

Updated ~22 hours ago
283 All Years 176 This Year 2024 137 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (176)

  1. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 100
    Date:
    Observer: Jeff Wright
    Location: CR-8, Walden US-CO 40.80905, -106.23621
  2. House Finch Haemorhous mexicanus
    # Count: 7
    Date:
    Observer: Sally Sprouse
    Location: Jackson County Lions Club Wetland
  3. Eared Grebe Podiceps nigricollis
    # Count: 180
    Date:
    Observer: Nicole Holmes
    Location: Walden Reservoir
  4. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Mark Holmgren
    Location: Continental Divide National Scenic Trail, Walden US-CO 40.39013, -106.45637
  5. Warbling Vireo Vireo gilvus
    # Count: 5
    Date:
    Observer: Mark Holmgren
    Location: Continental Divide National Scenic Trail, Walden US-CO 40.37555, -106.44538
  6. Red-breasted Nuthatch Sitta canadensis
    # Count: 3
    Date:
    Observer: Mark Holmgren
    Location: Continental Divide National Scenic Trail, Walden US-CO 40.37555, -106.44538
  7. Western Tanager Piranga ludoviciana
    # Count: 3
    Date:
    Observer: Mark Holmgren
    Location: Continental Divide National Scenic Trail, Walden US-CO 40.37555, -106.44538
  8. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Mary Ann Melton
    Location: Arapaho NWR--Auto Loop
  9. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  10. Williamson's Sapsucker Sphyrapicus thyroideus
    # Count: 1
    Date:
    Observer: Alex Smilor
    Location: Ranger Lakes Area
  11. Wilson's Warbler Cardellina pusilla
    # Count: 5
    Date:
    Observer: Alex Smilor
    Location: Ranger Lakes Area
  12. Western Grebe Aechmophorus occidentalis
    # Count: 150
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  13. Great Blue Heron Ardea herodias
    # Count: 15
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  14. Violet-green Swallow Tachycineta thalassina
    # Count: 9
    Date:
    Observer: Tyler Wilson
    Location: Crosby Creek
  15. Evening Grosbeak Coccothraustes vespertinus
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Hidden Lakes Area
  16. Red Crossbill Loxia curvirostra
    # Count: 6
    Date:
    Observer: Tyler Wilson
    Location: County Road 45 Camp
  17. Black-necked Stilt Himantopus mexicanus
    # Count: 2
    Date:
    Observer: Noah Brinkman
    Location: 18 Island Reservoir
  18. Western Cattle Egret Bubulcus ibis
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: 18 Island Reservoir
  19. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: 18 Island Reservoir
  20. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: CR 34, <1/4 Mile From Hwy 14
  21. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: CR 34, <1/4 Mile From Hwy 14
  22. American Three-toed Woodpecker Picoides dorsalis
    # Count: 1
    Date:
    Observer: Alex Smilor
    Location: Ranger Lakes Area
  23. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Alex Smilor
    Location: Ranger Lakes Area
  24. Yellow-rumped Warbler Setophaga coronata
    # Count: 6
    Date:
    Observer: Alex Smilor
    Location: Ranger Lakes Area
  25. Common Nighthawk Chordeiles minor
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: County Road 45 Camp
  26. Swainson's Thrush Catharus ustulatus
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: County Road 45 Camp
  27. Pine Grosbeak Pinicola enucleator
    # Count: 2
    Date:
    Observer: Alex Smilor
    Location: Ranger Lakes Area
  28. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Buffalo Pass & Summit Lake area (Jackson Co.)
  29. Hermit Thrush Catharus guttatus
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Buffalo Pass & Summit Lake area (Jackson Co.)
  30. Double-crested Cormorant Nannopterum auritum
    # Count: 120
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir
  31. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: 12
    Date:
    Observer: Tyler Wilson
    Location: State Forest SP--Moose Visitor Center
  32. Willow Flycatcher Empidonax traillii
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Michigan River wetlands near Jackson CR 30
  33. Veery Catharus fuscescens
    # Count: 2
    Date:
    Observer: Tyler Wilson
    Location: Michigan River wetlands near Jackson CR 30
  34. American Goldfinch Spinus tristis
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Michigan River wetlands near Jackson CR 30
  35. Common Poorwill Phalaenoptilus nuttallii
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Owl Mountain SWA
  36. Sora Porzana carolina
    # Count: 3
    Date:
    Observer: Tyler Wilson
    Location: Arapaho NWR--Auto Loop
  37. Gadwall Mareca strepera
    # Count: 200
    Date:
    Observer: Tyler Wilson
    Location: 18 Island Reservoir
  38. American Avocet Recurvirostra americana
    # Count: 33
    Date:
    Observer: Tyler Wilson
    Location: 18 Island Reservoir
  39. Osprey Pandion haliaetus
    # Count: 2
    Date:
    Observer: Sandy Winkler
    Location: North Michigan Creek Reservoir
  40. Western Wood-Pewee Contopus sordidulus
    # Count: 4
    Date:
    Observer: Sandy Winkler
    Location: North Michigan Creek Reservoir
  41. Canada Jay Perisoreus canadensis
    # Count: 2
    Date:
    Observer: Sandy Winkler
    Location: North Michigan Creek Reservoir
  42. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir--SE side
  43. House Wren Troglodytes aedon
    # Count: 3
    Date:
    Observer: Angelo DelloMargio
    Location: Muddy Pass Lake
  44. Lincoln's Sparrow Melospiza lincolnii
    # Count: 6
    Date:
    Observer: Angelo DelloMargio
    Location: Muddy Pass Lake
  45. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 2
    Date:
    Observer: Angelo DelloMargio
    Location: Muddy Pass Lake
  46. Ruby-crowned Kinglet Corthylio calendula
    # Count: 6
    Date:
    Observer: Macy Schmidt
    Location: State Forest SP--Ranger Lakes Campground area
  47. Horned Lark Eremophila alpestris
    # Count: 30
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  48. Sage Thrasher Oreoscoptes montanus
    # Count: 13
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  49. Vesper Sparrow Pooecetes gramineus
    # Count: 16
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  50. Rock Pigeon Columba livia
    # Count: 2
    Date:
    Observer: Kevin Molloy
    Location: Richard SWA
  51. Northern Harrier Circus hudsonius
    # Count: 2
    Date:
    Observer: Jun Tsuchiya
    Location: Arapaho NWR
  52. Killdeer Charadrius vociferus
    # Count: 7
    Date:
    Observer: Angelo DelloMargio
    Location: Arapaho NWR--Auto Loop
  53. Willet Tringa semipalmata
    # Count: 7
    Date:
    Observer: Angelo DelloMargio
    Location: Arapaho NWR--Auto Loop
  54. Brewer's Sparrow Spizella breweri
    # Count: 24
    Date:
    Observer: Angelo DelloMargio
    Location: Arapaho NWR--Auto Loop
  55. Savannah Sparrow Passerculus sandwichensis
    # Count: 27
    Date:
    Observer: Angelo DelloMargio
    Location: Arapaho NWR--Auto Loop
  56. Western Meadowlark Sturnella neglecta
    # Count: 26
    Date:
    Observer: Angelo DelloMargio
    Location: Arapaho NWR--Auto Loop
  57. Snowy Egret Egretta thula
    # Count: 5
    Date:
    Observer: David Schulte
    Location: Walden Reservoir--SE side
  58. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Finn Harty
    Location: Arapaho NWR--east side Hwy. 125 access
  59. Clark's Grebe Aechmophorus clarkii
    # Count: 5
    Date:
    Observer: Finn Harty
    Location: Walden Reservoir--SE side
  60. Wilson's Snipe Gallinago delicata
    # Count: 6
    Date:
    Observer: Erica Bean
    Location: Arapaho NWR--Interpretive Trail
  61. Barn Swallow Hirundo rustica
    # Count: 21
    Date:
    Observer: Erica Bean
    Location: Arapaho NWR--Interpretive Trail
  62. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 14
    Date:
    Observer: Erica Bean
    Location: Arapaho NWR--Interpretive Trail
  63. Song Sparrow Melospiza melodia
    # Count: 6
    Date:
    Observer: Erica Bean
    Location: Arapaho NWR--Interpretive Trail
  64. Yellow Warbler Setophaga petechia
    # Count: 15
    Date:
    Observer: Erica Bean
    Location: Arapaho NWR--Interpretive Trail
  65. Brown-headed Cowbird Molothrus ater
    # Count: 38
    Date:
    Observer: Carol Bell
    Location: Walden Reservoir
  66. American Crow Corvus brachyrhynchos
    # Count: 41
    Date:
    Observer: Laurie Kleespies
    Location: Arapaho NWR--Interpretive Trail
  67. Common Grackle Quiscalus quiscula
    # Count: 5
    Date:
    Observer: Laurie Kleespies
    Location: Arapaho NWR--Auto Loop
  68. Chipping Sparrow Spizella passerina
    # Count: 4
    Date:
    Observer: Carol Bell
    Location: Arapaho NWR--Auto Loop
  69. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 77
    Date:
    Observer: Spencer Hurt
    Location: Walden Reservoir
  70. Tree Swallow Tachycineta bicolor
    # Count: 250
    Date:
    Observer: Adrian Lakin
    Location: Pole Mountain Lake
  71. Cassin's Finch Haemorhous cassinii
    # Count: 35
    Date:
    Observer: Martina Nordstrand
    Location: State Forest SP--Moose Visitor Center
  72. Forster's Tern Sterna forsteri
    # Count: 25
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  73. Dusky Grouse Dendragapus obscurus
    # Count: 1
    Date:
    Observer: Martina Nordstrand
    Location: 65957 Colorado 14, Walden, Colorado, US (40.505, -105.911)
  74. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Alecia Gorski
    Location: 28874–28998 SH-125, Walden US-CO 40.67928, -106.29456
  75. Pine Siskin Spinus pinus
    # Count: 10
    Date:
    Observer: Bob Boekelheide
    Location: State Forest SP--Moose Visitor Center
  76. Eastern Kingbird Tyrannus tyrannus
    # Count: 2
    Date:
    Observer: Bob Boekelheide
    Location: Arapaho NWR
  77. Ruddy Duck Oxyura jamaicensis
    # Count: 64
    Date:
    Observer: Bob Boekelheide
    Location: Arapaho NWR--Auto Loop
  78. Wilson's Phalarope Phalaropus tricolor
    # Count: 118
    Date:
    Observer: Bob Boekelheide
    Location: Arapaho NWR--Auto Loop
  79. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 26
    Date:
    Observer: Bob Boekelheide
    Location: Arapaho NWR--Auto Loop
  80. Franklin's Gull Leucophaeus pipixcan
    # Count: 9
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  81. Turkey Vulture Cathartes aura
    # Count: 4
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  82. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  83. Bank Swallow Riparia riparia
    # Count: 11
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  84. Marsh Wren Cistothorus palustris
    # Count: 10
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  85. Spotted Towhee Pipilo maculatus
    # Count: 4
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  86. Common Yellowthroat Geothlypis trichas
    # Count: 4
    Date:
    Observer: Chris Goulart
    Location: Cowdrey Reservoir
  87. White-faced Ibis Plegadis chihi
    # Count: 15
    Date:
    Observer: Chris Goulart
    Location: Arapaho NWR--Auto Loop
  88. Sagebrush Sparrow Artemisiospiza nevadensis
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Arapaho NWR--Auto Loop
  89. Townsend's Solitaire Myadestes townsendi
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: 31–99 CR-21, Rand US-CO 40.44298, -106.14405
  90. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 10
    Date:
    Observer: Laura Sheets
    Location: Arapaho NWR--Auto Loop
  91. Spotted Sandpiper Actitis macularius
    # Count: 10
    Date:
    Observer: Alecia Gorski
    Location: Muddy Pass Lake
  92. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Alecia Gorski
    Location: Muddy Pass Lake
  93. Red-naped Sapsucker Sphyrapicus nuchalis
    # Count: 4
    Date:
    Observer: Alecia Gorski
    Location: Muddy Pass Lake
  94. Red-necked Phalarope Phalaropus lobatus
    # Count: 19
    Date:
    Observer: Alecia Gorski
    Location: 28874–28998 SH-125, Walden US-CO 40.67932, -106.29450
  95. Swainson's Hawk Buteo swainsoni
    # Count: 6
    Date:
    Observer: Alecia Gorski
    Location: 28874–28998 SH-125, Walden US-CO 40.67932, -106.29450
  96. Green-tailed Towhee Pipilo chlorurus
    # Count: 3
    Date:
    Observer: Alecia Gorski
    Location: County Road 26B, Walden US-CO 40.54704, -106.44003
  97. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  98. Dusky Flycatcher Empidonax oberholseri
    # Count: 2
    Date:
    Observer: Patricia Barry
    Location: Connor Creek
  99. White-breasted Nuthatch Sitta carolinensis
    # Count: 2
    Date:
    Observer: Patricia Barry
    Location: Connor Creek
  100. Prairie Falcon Falco mexicanus
    # Count: 2
    Date:
    Observer: Noah Brinkman
    Location: 18 Island Reservoir
  101. Western Kingbird Tyrannus verticalis
    # Count: 2
    Date:
    Observer: Noah Brinkman
    Location: Pole Mountain Lake
  102. Mourning Dove Zenaida macroura
    # Count: 10
    Date:
    Observer: Kevin Coleman
    Location: Walden
  103. Black Rosy-Finch Leucosticte atrata
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  104. Northern Flicker Colaptes auratus
    # Count: 6
    Date:
    Observer: Sally Sprouse
    Location: Jackson County Lions Club Wetland
  105. Lesser Yellowlegs Tringa flavipes
    # Count: 3
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  106. Ferruginous Hawk Buteo regalis
    # Count: 2
    Date:
    Observer: Steve Barlow
    Location: Coalmont area
  107. Golden-crowned Kinglet Regulus satrapa
    # Count: 2
    Date:
    Observer: Judd Patterson
    Location: Seven Utes Trail, Walden US-CO (40.5021,-105.9319)
  108. Lark Sparrow Chondestes grammacus
    # Count: 3
    Date:
    Observer: Diane Roberts
    Location: 601–689 Washington St, Walden US-CO (40.7274,-106.2774)
  109. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 18
    Date:
    Observer: Diane Roberts
    Location: Walden Reservoir--SE side
  110. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 6
    Date:
    Observer: Diane Roberts
    Location: Walden Reservoir--SE side
  111. Blue-winged Teal Spatula discors
    # Count: 20
    Date:
    Observer: Diane Roberts
    Location: Pole Mountain Lake
  112. Marbled Godwit Limosa fedoa
    # Count: 60
    Date:
    Observer: Nick Komar
    Location: Walden Reservoir
  113. Bufflehead Bucephala albeola
    # Count: 8
    Date:
    Observer: Joe Kipper
    Location: Pole Mountain Lake
  114. Semipalmated Plover Charadrius semipalmatus
    # Count: 2
    Date:
    Observer: Joe Kipper
    Location: Pole Mountain Lake
  115. Least Sandpiper Calidris minutilla
    # Count: 2
    Date:
    Observer: Joe Kipper
    Location: Pole Mountain Lake
  116. Long-billed Curlew Numenius americanus
    # Count: 6
    Date:
    Observer: Chandriée Davis
    Location: Walden Reservoir
  117. Northern Shoveler Spatula clypeata
    # Count: 300
    Date:
    Observer: Laura Sheets
    Location: Arapaho NWR--Auto Loop
  118. American Coot Fulica americana
    # Count: 300
    Date:
    Observer: Laura Sheets
    Location: Arapaho NWR--Auto Loop
  119. Common Raven Corvus corax
    # Count: 10
    Date:
    Observer: Luke George
    Location: CR-8, Walden US-CO (40.7921,-106.2824)
  120. Cinnamon Teal Spatula cyanoptera
    # Count: 26
    Date:
    Observer: Sue Riffe
    Location: Arapaho NWR--Auto Loop
  121. Snow Goose Anser caerulescens
    # Count: 6
    Date:
    Observer: Sue Riffe
    Location: Walden Reservoir--SE side
  122. California Gull Larus californicus
    # Count: 400
    Date:
    Observer: Sue Riffe
    Location: Walden Reservoir--SE side
  123. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 20
    Date:
    Observer: Sue Riffe
    Location: Walden Reservoir--SE side
  124. Fox Sparrow Passerella iliaca
    # Count: 3
    Date:
    Observer: Sue Riffe
    Location: Grizzly Ranch (Jackson Cty, CO)
  125. Boreal Owl Aegolius funereus
    # Count: 3
    Date:
    Observer: Grant Medlin
    Location: Seven Utes Trail, Walden US-CO (40.5023,-105.9323)
  126. Pied-billed Grebe Podilymbus podiceps
    # Count: 7
    Date:
    Observer: Patricia Barry
    Location: Arapaho NWR--Auto Loop
  127. American White Pelican Pelecanus erythrorhynchos
    # Count: 401
    Date:
    Observer: janet fedrizzi
    Location: Walden Reservoir
  128. Lesser Goldfinch Spinus psaltria
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  129. Common Goldeneye Bucephala clangula
    # Count: 6
    Date:
    Observer: Julia Johnson
    Location: Walden Reservoir--SE side
  130. Northern Pygmy-Owl Glaucidium gnoma
    # Count: 1
    Date:
    Observer: Wes Donnell
    Location: North Michigan Creek Reservoir
  131. American Dipper Cinclus mexicanus
    # Count: 2
    Date:
    Observer: Archer Silverman
    Location: Seven Utes Yurt area
  132. Mountain Bluebird Sialia currucoides
    # Count: 10
    Date:
    Observer: Archer Silverman
    Location: Arapaho NWR
  133. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Julia Johnson
    Location: State Forest SP--Moose Visitor Center
  134. American Kestrel Falco sparverius
    # Count: 3
    Date:
    Observer: Wes Donnell
    Location: Arapaho NWR
  135. Pygmy Nuthatch Sitta pygmaea
    # Count: 2
    Date:
    Observer: Wes Donnell
    Location: State Forest SP
  136. Greater Scaup Aythya marila
    # Count: 5
    Date:
    Observer: Luke Pheneger
    Location: Walden Reservoir
  137. Red-breasted Merganser Mergus serrator
    # Count: 6
    Date:
    Observer: Luke Pheneger
    Location: Walden Reservoir
  138. Ring-necked Duck Aythya collaris
    # Count: 50
    Date:
    Observer: Stefan Stürup
    Location: Walden Reservoir--SE side
  139. Lesser Scaup Aythya affinis
    # Count: 200
    Date:
    Observer: Stefan Stürup
    Location: Walden Reservoir--SE side
  140. Common Merganser Mergus merganser
    # Count: 20
    Date:
    Observer: Stefan Stürup
    Location: Walden Reservoir--SE side
  141. Ring-billed Gull Larus delawarensis
    # Count: 50
    Date:
    Observer: Stefan Stürup
    Location: Walden Reservoir--SE side
  142. Dark-eyed Junco Junco hyemalis
    # Count: 30
    Date:
    Observer: Stefan Stürup
    Location: State Forest SP--Moose Visitor Center
  143. American Wigeon Mareca americana
    # Count: 50
    Date:
    Observer: Stefan Stürup
    Location: 18 Island Reservoir
  144. Mallard Anas platyrhynchos
    # Count: 300
    Date:
    Observer: Stefan Stürup
    Location: 18 Island Reservoir
  145. Green-winged Teal Anas crecca
    # Count: 50
    Date:
    Observer: Stefan Stürup
    Location: 18 Island Reservoir
  146. Hooded Merganser Lophodytes cucullatus
    # Count: 2
    Date:
    Observer: Stefan Stürup
    Location: 18 Island Reservoir
  147. Canvasback Aythya valisineria
    # Count: 100
    Date:
    Observer: Dorian Anderson
    Location: Walden Reservoir--SE side
  148. Greater Yellowlegs Tringa melanoleuca
    # Count: 3
    Date:
    Observer: Dorian Anderson
    Location: Walden Reservoir--SE side
  149. American Robin Turdus migratorius
    # Count: 15
    Date:
    Observer: Sally Sprouse
    Location: Beaver Lodge Nature Trail
  150. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: Ezekiel Dobson
    Location: Walden Reservoir
  151. Redhead Aythya americana
    # Count: 91
    Date:
    Observer: Kathryn Kay
    Location: Walden Reservoir--SE side
  152. Barrow's Goldeneye Bucephala islandica
    # Count: 2
    Date:
    Observer: Sally Palmer
    Location: Walden Reservoir--SE side
  153. Red-tailed Hawk Buteo jamaicensis
    # Count: 3
    Date:
    Observer: Anne Déry
    Location: SH-14, Walden US-CO 40.62792, -106.39865
  154. Golden Eagle Aquila chrysaetos
    # Count: 4
    Date:
    Observer: Skye Haas
    Location: 21500–21528 SH-14, Walden US-CO 40.56377, -106.40726
  155. Greater Sage-Grouse Centrocercus urophasianus
    # Count: 88
    Date:
    Observer: Skye Haas
    Location: Coalmont Lek--ARRIVE IN DARK, STAY IN CAR, DO NOT DISTURB DISPLAYING BIRDS!
  156. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Skye Haas
    Location: State Forest SP--Moose Visitor Center
  157. Black-capped Chickadee Poecile atricapillus
    # Count: 12
    Date:
    Observer: Skye Haas
    Location: State Forest SP--Moose Visitor Center
  158. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Tom Slyker
    Location: Coalmont Lek--ARRIVE IN DARK, STAY IN CAR, DO NOT DISTURB DISPLAYING BIRDS!
  159. European Starling Sturnus vulgaris
    # Count: 25
    Date:
    Observer: Anne Geraghty
    Location: Jcr 12E east of Walden
  160. Sandhill Crane Antigone canadensis
    # Count: 12
    Date:
    Observer: Rebecca Rizor
    Location: Walden (town)
  161. Western Bluebird Sialia mexicana
    # Count: 2
    Date:
    Observer: Rebecca Rizor
    Location: 35151 SH-14, Walden US-CO 40.71681, -106.27165
  162. Rough-legged Hawk Buteo lagopus
    # Count: 5
    Date:
    Observer: Nick Komar
    Location: 21500–21528 SH-14, Walden US-CO 40.56282, -106.40730
  163. Canada Goose Branta canadensis
    # Count: 500
    Date:
    Observer: David Brassington
    Location: Jackson County Lions Club Wetland
  164. Northern Pintail Anas acuta
    # Count: 100
    Date:
    Observer: David Brassington
    Location: Jackson County Lions Club Wetland
  165. House Sparrow Passer domesticus
    # Count: 50
    Date:
    Observer: David Brassington
    Location: Walden (town)
  166. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 20
    Date:
    Observer: Rebecca Rizor
    Location: Sixth St, Walden US-CO 40.72765, -106.27592
  167. Red-winged Blackbird Agelaius phoeniceus
    # Count: 125
    Date:
    Observer: Rebecca Rizor
    Location: Sixth St, Walden US-CO 40.72765, -106.27592
  168. Brown-capped Rosy-Finch Leucosticte australis
    # Count: 30
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  169. Downy Woodpecker Dryobates pubescens
    # Count: 2
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  170. Gray-crowned Rosy-Finch Leucosticte tephrocotis
    # Count: 170
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  171. Black-billed Magpie Pica hudsonia
    # Count: 22
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  172. Mountain Chickadee Poecile gambeli
    # Count: 16
    Date:
    Observer: robert beauchamp
    Location: State Forest SP--Moose Visitor Center
  173. Steller's Jay Cyanocitta stelleri
    # Count: 10
    Date:
    Observer: Rebecca Rizor
    Location: State Forest SP--Moose Visitor Center
  174. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Spencer Hurt
    Location: CO Highway 127
  175. Bald Eagle Haliaeetus leucocephalus
    # Count: 4
    Date:
    Observer: Spencer Hurt
    Location: CO Highway 125 (Between Rand and Walden)
  176. Long-eared Owl Asio otus
    # Count: 1

Additional Taxa (27)

  1. Mallard/Mexican Duck Anas platyrhynchos/diazi
    # Count: 1
    Date:
    Observer: Nicole Holmes
    Location: Walden Reservoir
  2. shorebird sp. Charadriiformes sp.
    # Count: 3
    Date:
    Observer: Laura Stump
    Location: Arapaho NWR--Auto Loop
  3. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    # Count: 1
    Date:
    Observer: Alex Smilor
    Location: Ranger Lakes Area
  4. tern sp. Sterninae sp.
    # Count: 2
    Date:
    Observer: Mary Ann Melton
    Location: Arapaho NWR--Auto Loop
  5. new world sparrow sp. Passerellidae sp.
    # Count: 3
    Date:
    Observer: Macy Schmidt
    Location: State Forest SP--Ranger Lakes Campground area
  6. blackbird sp. Icteridae sp.
    # Count: 70
    Date:
    Observer: Spencer Hurt
    Location: Walden Reservoir
  7. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 4
    Date:
    Observer: Alecia Gorski
    Location: 28874–28998 SH-125, Walden US-CO 40.67932, -106.29450
  8. swallow sp. Hirundinidae sp.
    # Count: 300
    Date:
    Observer: Jessica Colby
    Location: Arapaho NWR--Auto Loop
  9. duck sp. Anatidae (duck sp.)
    # Count: 60
    Date:
    Observer: Noah Brinkman
    Location: Pole Mountain Lake
  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. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 2
    Date:
    Observer: Patricia Barry
    Location: Connor Creek
  13. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 4
    Date:
    Observer: Steve Barlow
    Location: Arapaho NWR--Auto Loop
  14. crow/raven sp. Corvus sp.
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: 80480, Rand US-CO 40.44526, -106.12302
  15. Spizella sp. Spizella sp.
    # Count: 1
    Date:
    Observer: Joe Kipper
    Location: County Road 24, Coalmont, Colorado, US (40.588, -106.425)
  16. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: Chandriée Davis
    Location: Moose Goose Nature Trail Waldon, Co
  17. Purple/Cassin's Finch Haemorhous purpureus/cassinii
    # Count: 1
    Date:
    Observer: Patricia Barry
    Location: Private Ranch
  18. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 10
    Date:
    Observer: Archer Silverman
    Location: Walden Reservoir--SE side
  19. Larus sp. Larus sp.
    # Count: 1
    Date:
    Observer: George Kinney
    Location: Coalmont Lek--ARRIVE IN DARK, STAY IN CAR, DO NOT DISTURB DISPLAYING BIRDS!
  20. gull sp. Larinae sp.
    # Count: 100
    Date:
    Observer: Paul Gordy
    Location: Walden Reservoir
  21. Black-capped/Mountain Chickadee Poecile atricapillus/gambeli
    # Count: 4
    Date:
    Observer: Sally Sprouse
    Location: Beaver Lodge Nature Trail
  22. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Sally Palmer
    Location: Walden Reservoir
  23. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 40
    Date:
    Observer: Sally Sprouse
    Location: Jackson County Lions Club Wetland
  24. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 1
    Date:
    Observer: Spencer Hurt
    Location: CO 125 (Walden to CO 127)
  25. Buteo sp. Buteo sp.
    # Count: 2
    Date:
    Observer: Spencer Hurt
    Location: CO Highway 125 (Between Rand and Walden)
  26. rosy-finch sp. Leucosticte sp.
    # Count: 100
    Date:
    Observer: Jason Beason
    Location: Cowdrey Ponds
  27. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 3
    Date:
    Observer: Spencer Hurt
    Location: CO Highway 125 (Between Rand and Walden)