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Bird List

Updated ~17 hours ago
395 All Years 246 This Year 2024 211 This Month May 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (210)

  1. Snow Goose Anser caerulescens
    # Count: 7
    Date:
    Observer: Steven Mlodinow
    Location: Baxter Lake
  2. Cackling Goose Branta hutchinsii
    # Count: 2
    Date:
    Observer: Cole Wild
    Location: Franklin Lake
  3. Canada Goose Branta canadensis
    # Count: 2
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  4. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Jim Stoneberg
    Location: Poudre River Trail
  5. Blue-winged Teal Spatula discors
    # Count: 6
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  6. Cinnamon Teal Spatula cyanoptera
    # Count: 2
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  7. Northern Shoveler Spatula clypeata
    # Count: 30
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  8. Gadwall Mareca strepera
    # Count: 25
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  9. American Wigeon Mareca americana
    # Count: 2
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  10. Mallard Anas platyrhynchos
    # Count: 1
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  11. Northern Pintail Anas acuta
    # Count: 1
    Date:
    Observer: Larry Modesitt
    Location: Weld CR 59 wetlands
  12. Green-winged Teal Anas crecca
    # Count: 6
    Date:
    Observer: Adrian Lakin
    Location: Weld CR 59 wetlands
  13. Canvasback Aythya valisineria
    # Count: 2
    Date:
    Observer: Adrian Lakin
    Location: WTP at Weld CR's 62.5 and 51
  14. Redhead Aythya americana
    # Count: 9
    Date:
    Observer: Adrian Lakin
    Location: Wetland on Weld CR 46
  15. Ring-necked Duck Aythya collaris
    # Count: 2
    Date:
    Observer: Andrew Rothman
    Location: Clark Lake
  16. Lesser Scaup Aythya affinis
    # Count: 20
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  17. Bufflehead Bucephala albeola
    # Count: 6
    Date:
    Observer: Adrian Lakin
    Location: Wetland on Weld CR 46
  18. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Weld CRs 61 & 74 ponds
  19. Common Merganser Mergus merganser
    # Count: 1
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  20. Red-breasted Merganser Mergus serrator
    # Count: 1
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  21. Ruddy Duck Oxyura jamaicensis
    # Count: 8
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  22. Wild Turkey Meleagris gallopavo
    # Count: 2
    Date:
    Observer: carl starace
    Location: Sandstone Ranch
  23. Sharp-tailed Grouse Tympanuchus phasianellus
    # Count: 2
    Date:
    Observer: Adrian Lakin
    Location: Weld County Road 136, Grover, Colorado, US (40.973, -104.111)
  24. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: David Fraide
    Location: Baxter Lake
  25. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  26. Eared Grebe Podiceps nigricollis
    # Count: 18
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  27. Western Grebe Aechmophorus occidentalis
    # Count: 43
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  28. Clark's Grebe Aechmophorus clarkii
    # Count: X
    Date:
    Observer: Kelsey Robb
    Location: Frederick Lake (Milavec Reservoir) & Recreation Area
  29. Rock Pigeon Columba livia
    # Count: 3
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  30. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 3
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  31. Mourning Dove Zenaida macroura
    # Count: 30
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  32. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Jessie Reese
    Location: Pawnee NG--Crow Valley CG
  33. Common Poorwill Phalaenoptilus nuttallii
    # Count: 1
    Date:
    Observer: Kaleigh Keohane
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  34. Chimney Swift Chaetura pelagica
    # Count: 2
    Date:
    Observer: Brad Steger
    Location: Island Grove Regional Park
  35. Black-chinned Hummingbird Archilochus alexandri
    # Count: 2
    Date:
    Observer: David Schutt
    Location: Pelican Hills
  36. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Windsor Reservoir
  37. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Lower Latham Reservoir area
  38. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Lower Latham Reservoir area
  39. American Coot Fulica americana
    # Count: 7
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  40. Sandhill Crane Antigone canadensis
    # Count: 1
    Date:
    Observer: David Fraide
    Location: Lower Latham Reservoir area
  41. Black-necked Stilt Himantopus mexicanus
    # Count: 2
    Date:
    Observer: Adrian Lakin
    Location: WTP at Weld CR's 62.5 and 51
  42. American Avocet Recurvirostra americana
    # Count: 1
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  43. Killdeer Charadrius vociferus
    # Count: 2
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  44. Semipalmated Plover Charadrius semipalmatus
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: Loloff Reservoir
  45. Mountain Plover Anarhynchus montanus
    # Count: 1
    Date:
    Observer: Pat McGrane
    Location: County Road 89, Briggsdale, Colorado, US (40.689, -104.22)
  46. Whimbrel Numenius phaeopus
    # Count: 1
    Date:
    Observer: Alex Smolyanskaya
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  47. Long-billed Curlew Numenius americanus
    # Count: 4
    Date:
    Observer: Larry Modesitt
    Location: Loloff Reservoir
  48. Marbled Godwit Limosa fedoa
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Lower Latham Reservoir area
  49. Short-billed Dowitcher Limnodromus griseus
    # Count: 2
    Date:
    Observer: Norman Erthal
    Location: Stewart's Pond
  50. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  51. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: carl starace
    Location: Sandstone Ranch
  52. Wilson's Phalarope Phalaropus tricolor
    # Count: 72
    Date:
    Observer: Adrian Lakin
    Location: WTP at Weld CR's 62.5 and 51
  53. Red-necked Phalarope Phalaropus lobatus
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Weld CRs 61 & 74 ponds
  54. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  55. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Windsor Reservoir
  56. Lesser Yellowlegs Tringa flavipes
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  57. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  58. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: David Fraide
    Location: Union Reservoir
  59. Ruddy Turnstone Arenaria interpres
    # Count: 1
    Date:
    Observer: william fink
    Location: Loloff Reservoir
  60. Stilt Sandpiper Calidris himantopus
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Loloff Reservoir
  61. Sanderling Calidris alba
    # Count: 1
    Date:
    Observer: Sean Huntley
    Location: Loloff Reservoir
  62. Baird's Sandpiper Calidris bairdii
    # Count: 1
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  63. White-rumped Sandpiper Calidris fuscicollis
    # Count: 2
    Date:
    Observer: Raymond Sperger
    Location: Lower Latham Reservoir area
  64. Least Sandpiper Calidris minutilla
    # Count: 2
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  65. Pectoral Sandpiper Calidris melanotos
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Loloff Reservoir
  66. Western Sandpiper Calidris mauri
    # Count: 1
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  67. Semipalmated Sandpiper Calidris pusilla
    # Count: 3
    Date:
    Observer: John Vanderpoel
    Location: Union Reservoir
  68. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Ireland Reservoir No. 5
  69. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 13
    Date:
    Observer: Cole Wild
    Location: Windsor Reservoir
  70. Franklin's Gull Leucophaeus pipixcan
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: Union Reservoir
  71. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: Union Reservoir
  72. Lesser Black-backed Gull Larus fuscus
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Ireland Reservoir No. 5
  73. California Gull Larus californicus
    # Count: 41
    Date:
    Observer: Chris Goulart
    Location: Ireland Reservoir No. 5
  74. Caspian Tern Hydroprogne caspia
    # Count: 3
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  75. Black Tern Chlidonias niger
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Windsor Reservoir
  76. Forster's Tern Sterna forsteri
    # Count: 11
    Date:
    Observer: Cole Wild
    Location: Windsor Reservoir
  77. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: Willa Weimer
    Location: Poudre Learning Center
  78. American White Pelican Pelecanus erythrorhynchos
    # Count: 14
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  79. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: St. Vrain SP
  80. Black-crowned Night Heron Nycticorax nycticorax
    # Count: X
    Date:
    Observer: Kelsey Robb
    Location: Frederick Lake (Milavec Reservoir) & Recreation Area
  81. Snowy Egret Egretta thula
    # Count: 2
    Date:
    Observer: John Vanderpoel
    Location: Firestone Gravel Pits (view from road)
  82. Western Cattle Egret Bubulcus ibis
    # Count: 2
    Date:
    Observer: Chris Goulart
    Location: Glenmere park
  83. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Alex Smolyanskaya
    Location: St. Vrain SP
  84. Great Blue Heron Ardea herodias
    # Count: 2
    Date:
    Observer: Willa Weimer
    Location: Poudre Learning Center
  85. White-faced Ibis Plegadis chihi
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  86. Turkey Vulture Cathartes aura
    # Count: 1
    Date:
    Observer: carl starace
    Location: Sandstone Ranch
  87. Osprey Pandion haliaetus
    # Count: 2
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  88. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Edward Raynor
    Location: Pawnee NG--Central Plains Experimental Range
  89. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  90. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Windsor Reservoir
  91. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Northridge Loop
  92. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  93. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Frank SWA (Weld Co)
  94. Swainson's Hawk Buteo swainsoni
    # Count: 1
    Date:
    Observer: Willa Weimer
    Location: Poudre Learning Center
  95. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  96. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: Alex Smolyanskaya
    Location: 62500–62886 County Road 111, Grover US-CO 40.90139, -104.00950
  97. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Coal Creek Trail--Vista Pkwy to Erie Pkwy
  98. Great Horned Owl Bubo virginianus
    # Count: 3
    Date:
    Observer: carl starace
    Location: Sandstone Ranch
  99. Burrowing Owl Athene cunicularia
    # Count: 1
    Date:
    Observer: Wil Hershberger
    Location: Pawnee NG Bird Tour—Stops 9-11 (CR-104)
  100. Short-eared Owl Asio flammeus
    # Count: 1
    Date:
    Observer: Alex Smolyanskaya
    Location: County Road 134
  101. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Alex Smolyanskaya
    Location: St. Vrain SP
  102. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 1
    Date:
    Observer: Todd Deininger
    Location: Pawnee NG--Crow Valley CG
  103. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  104. Northern Flicker Colaptes auratus
    # Count: 2
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  105. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  106. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Home - Mead
  107. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: Lower Latham Reservoir area
  108. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Andrew Rothman
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  109. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Robert Tonge
    Location: 52 & S Platte
  110. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Brenda Wo
    Location: booth farms
  111. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: David Fraide
    Location: Pawnee NG--Crow Valley CG
  112. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Crow Valley CG
  113. Hammond's Flycatcher Empidonax hammondii
    # Count: 1
    Date:
    Observer: Andrew Rothman
    Location: 44543–44999 County Road 77, Briggsdale US-CO 40.66471, -104.33473
  114. Gray Flycatcher Empidonax wrightii
    # Count: 2
    Date:
    Observer: Edward Raynor
    Location: Pawnee NG--Central Plains Experimental Range
  115. Dusky Flycatcher Empidonax oberholseri
    # Count: 1
    Date:
    Observer: Zachary Young
    Location: Pawnee NG--Crow Valley CG
  116. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: mary beer
    Location: Pawnee NG Bird Tour—Stops 5-8
  117. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  118. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  119. Cassin's Kingbird Tyrannus vociferans
    # Count: 1
    Date:
    Observer: Scott Rashid
    Location: 8129 County Road 21, Fort Lupton US-CO 40.12281, -104.86747
  120. Western Kingbird Tyrannus verticalis
    # Count: 8
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  121. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: bill gerhart
    Location: 33313 County Road 16, Keenesburg, Colorado, US (40.103, -104.427)
  122. Plumbeous Vireo Vireo plumbeus
    # Count: 1
    Date:
    Observer: Alex Smolyanskaya
    Location: St. Vrain SP
  123. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: Alex Smolyanskaya
    Location: St. Vrain SP
  124. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: Vicky Miles
    Location: Pawnee NG--Crow Valley CG
  125. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Norma's Grove
  126. Blue Jay Cyanocitta cristata
    # Count: 7
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  127. Black-billed Magpie Pica hudsonia
    # Count: 1
    Date:
    Observer: Scott Rashid
    Location: 8129 County Road 21, Fort Lupton US-CO 40.12281, -104.86747
  128. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Willa Weimer
    Location: Poudre Learning Center
  129. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  130. Black-capped Chickadee Poecile atricapillus
    # Count: 3
    Date:
    Observer: Jeff Percell
    Location: Percell Backyard, Northridge, Erie, Colorado, US (40.065, -105.042)
  131. Horned Lark Eremophila alpestris
    # Count: 5
    Date:
    Observer: Adrian Lakin
    Location: County Road 134, Grover, Colorado, US (40.961, -103.991)
  132. Bank Swallow Riparia riparia
    # Count: 4
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  133. Tree Swallow Tachycineta bicolor
    # Count: 4
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  134. Violet-green Swallow Tachycineta thalassina
    # Count: 200
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  135. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 1
    Date:
    Observer: carl starace
    Location: Sandstone Ranch
  136. Barn Swallow Hirundo rustica
    # Count: 50
    Date:
    Observer: Willa Weimer
    Location: Poudre Learning Center
  137. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 2
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  138. Bushtit Psaltriparus minimus
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Percell Backyard, Northridge, Erie, Colorado, US (40.065, -105.042)
  139. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  140. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  141. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Caleb Stewart
    Location: Toru-front yard
  142. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Norma's Grove
  143. Rock Wren Salpinctes obsoletus
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Norma's Grove
  144. House Wren Troglodytes aedon
    # Count: 10
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  145. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: carl starace
    Location: Sandstone Ranch
  146. European Starling Sturnus vulgaris
    # Count: 9
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  147. Gray Catbird Dumetella carolinensis
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: St. Vrain SP
  148. Brown Thrasher Toxostoma rufum
    # Count: 6
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  149. Sage Thrasher Oreoscoptes montanus
    # Count: 1
    Date:
    Observer: Alex Smolyanskaya
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  150. Northern Mockingbird Mimus polyglottos
    # Count: 2
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  151. Townsend's Solitaire Myadestes townsendi
    # Count: 1
    Date:
    Observer: Zachary Young
    Location: Pawnee NG--Crow Valley CG
  152. Veery Catharus fuscescens
    # Count: X
    Date:
    Observer: Vicky Miles
    Location: Pawnee NG--Crow Valley CG
  153. Gray-cheeked Thrush Catharus minimus
    # Count: 1
    Date:
    Observer: William Vanderpoel
    Location: Pawnee NG--Crow Valley CG
  154. Swainson's Thrush Catharus ustulatus
    # Count: 8
    Date:
    Observer: Zachary Young
    Location: Pawnee NG--Crow Valley CG
  155. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Rachel Kolokoff Hopper
    Location: Crow Valley Recreation Area, Briggsdale US-CO 40.64399, -104.34118
  156. American Robin Turdus migratorius
    # Count: 15
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  157. Cedar Waxwing Bombycilla cedrorum
    # Count: 1
    Date:
    Observer: Finn Ward
    Location: Pawnee NG--Crow Valley CG
  158. House Sparrow Passer domesticus
    # Count: 5
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  159. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Gary Meyer
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  160. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: Caleb Stewart
    Location: Toru
  161. Cassin's Finch Haemorhous cassinii
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Crow Valley CG
  162. Pine Siskin Spinus pinus
    # Count: 2
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  163. Lesser Goldfinch Spinus psaltria
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Cozzens Lake (private property - view from road only!)
  164. American Goldfinch Spinus tristis
    # Count: 6
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  165. Chestnut-collared Longspur Calcarius ornatus
    # Count: 4
    Date:
    Observer: Alex Smolyanskaya
    Location: Pawnee National Grassland, Grover US-CO 40.96144, -103.99132
  166. Thick-billed Longspur Rhynchophanes mccownii
    # Count: 2
    Date:
    Observer: Adrian Lakin
    Location: County Road 134, Grover, Colorado, US (40.961, -103.991)
  167. Cassin's Sparrow Peucaea cassinii
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Pawnee NG Bird Tour—Stops 9-11 (CR-104)
  168. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: County Road 134, Grover, Colorado, US (40.961, -103.991)
  169. Chipping Sparrow Spizella passerina
    # Count: 10
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  170. Clay-colored Sparrow Spizella pallida
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  171. Brewer's Sparrow Spizella breweri
    # Count: 2
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  172. Lark Sparrow Chondestes grammacus
    # Count: 11
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  173. Lark Bunting Calamospiza melanocorys
    # Count: 4
    Date:
    Observer: Adrian Lakin
    Location: Weld County Road 136, Grover, Colorado, US (40.974, -104.034)
  174. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: Tiffany Warble
    Location: Pawnee NG--Crow Valley CG
  175. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 35
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  176. Harris's Sparrow Zonotrichia querula
    # Count: 1
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  177. Vesper Sparrow Pooecetes gramineus
    # Count: 5
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG Bird Tour—Stops 5-8
  178. Savannah Sparrow Passerculus sandwichensis
    # Count: 2
    Date:
    Observer: Peter Williams
    Location: Loloff Reservoir
  179. Song Sparrow Melospiza melodia
    # Count: 2
    Date:
    Observer: Jay Hutchins
    Location: Union Reservoir
  180. Lincoln's Sparrow Melospiza lincolnii
    # Count: 3
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  181. Green-tailed Towhee Pipilo chlorurus
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  182. Spotted Towhee Pipilo maculatus
    # Count: 2
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  183. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Garrison Doctor
    Location: Coal Creek Trail--Erie
  184. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 1
    Date:
    Observer: Willa Weimer
    Location: Poudre Learning Center
  185. Western Meadowlark Sturnella neglecta
    # Count: 8
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  186. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Whitney Grover
    Location: St. Vrain SP
  187. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: Willa Weimer
    Location: Poudre Learning Center
  188. Red-winged Blackbird Agelaius phoeniceus
    # Count: 5
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  189. Brown-headed Cowbird Molothrus ater
    # Count: 9
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  190. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 5
    Date:
    Observer: Scott Rashid
    Location: County Road 16 1/2, Longmont US-CO 40.10917, -105.03735
  191. Common Grackle Quiscalus quiscula
    # Count: 75
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  192. Great-tailed Grackle Quiscalus mexicanus
    # Count: 3
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  193. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Clark Lake
  194. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Toni Bowen
    Location: Pawnee NG--Crow Valley CG
  195. Orange-crowned Warbler Leiothlypis celata
    # Count: 2
    Date:
    Observer: Joey Angstman
    Location: Angstman Residence
  196. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: Pawnee NG--Norma's Grove
  197. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Clark Lake
  198. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: Union Reservoir
  199. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Luke Buckardt
    Location: Coal Creek Trail--Vista Pkwy to Erie Pkwy
  200. Northern Parula Setophaga americana
    # Count: 1
    Date:
    Observer: Christine Alexander
    Location: Pawnee NG--Crow Valley CG
  201. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Derek Pedersen
    Location: St. Vrain SP
  202. Yellow-rumped Warbler Setophaga coronata
    # Count: 16
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  203. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Norma's Grove
  204. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Dave Meisinger
    Location: Larch Drive
  205. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Dave Meisinger
    Location: Larch Drive
  206. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Opal Wood
    Location: Kodak Watchable Wildlife Area
  207. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: Jay Hutchins
    Location: Nakagawa SWA
  208. Lazuli Bunting Passerina amoena
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Crow Valley CG
  209. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: carl starace
    Location: Sandstone Ranch
  210. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: Matthew Hixson
    Location: 64443–64999 SH-14, New Raymer US-CO 40.60956, -103.83111

Exotic: Provisional (1)

  1. Ring-necked Pheasant Phasianus colchicus
    # Count: 1
    Date:
    Observer: carl starace
    Location: Sandstone Ranch

Exotic: Escapee (2)

  1. Mute Swan Cygnus olor
    # Count: 1
    Date:
    Observer: Ranae Mortensen
    Location: Union Reservoir
  2. Indian Peafowl Pavo cristatus
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Cozzens Lake (private property - view from road only!)

Hybrids (1)

  1. Black x Eastern Phoebe (hybrid) Sayornis nigricans x phoebe
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1

Additional Taxa (26)

  1. goose sp. Anatidae (goose sp.)
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Franklin Lake
  2. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 20
    Date:
    Observer: Paul Gordy
    Location: Loloff Reservoir
  3. duck sp. Anatidae (duck sp.)
    # Count: 30
    Date:
    Observer: Winston Liu
    Location: Weld CR 59 wetlands
  4. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 1
    Date:
    Observer: Cole Sage
    Location: Stewart's Pond
  5. pigeon/dove sp. Columbidae sp.
    # Count: 17
    Date:
    Observer: Amy H
    Location: Firestone
  6. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Johnstown
  7. plover sp. Charadriidae sp.
    # Count: 4
    Date:
    Observer: Alex Smolyanskaya
    Location: 515 Leslie St, Briggsdale US-CO (40.6324,-104.3237)
  8. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 21
    Date:
    Observer: Norman Erthal
    Location: Stewart's Pond
  9. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: X
    Date:
    Observer: Susan Rosine
    Location: Loloff Reservoir
  10. peep sp. Calidris sp. (peep sp.)
    # Count: 6
    Date:
    Observer: Peter Williams
    Location: Union Reservoir
  11. shorebird sp. Charadriiformes sp.
    # Count: 9
    Date:
    Observer: David Suddjian
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  12. gull sp. Larinae sp.
    # Count: 5
    Date:
    Observer: Susan Nelson
    Location: Cozzens Lake
  13. Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianum
    # Count: 5
    Date:
    Observer: Terry Ngo
    Location: St Vrain state park Colorado
  14. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 8
    Date:
    Observer: zachary Dirks
    Location: Private
  15. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Weld CRs 61 & 74 ponds
  16. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Pawnee NG--Crow Valley CG
  17. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  18. swallow sp. Hirundinidae sp.
    # Count: 100
    Date:
    Observer: Bill Prather
    Location: Union Reservoir
  19. Catharus sp. Catharus sp.
    # Count: 1
    Date:
    Observer: Brady Schwab
    Location: Pawnee NG--Crow Valley CG
  20. thrush sp. Turdidae sp.
    # Count: 1
    Date:
    Observer: Finn Ward
    Location: Pawnee NG--Crow Valley CG
  21. longspur sp. Calcarius/Rhynchophanes sp.
    # Count: 1
    Date:
    Observer: Alex Smolyanskaya
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  22. Spizella sp. Spizella sp.
    # Count: 2
    Date:
    Observer: Michael Adams
    Location: Pawnee NG--Central Plains Experimental Range
  23. Lincoln's/Swamp Sparrow Melospiza lincolnii/georgiana
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Pawnee NG Bird Tour—Stops 9-11 (CR-104)
  24. new world sparrow sp. Passerellidae sp.
    # Count: 2
    Date:
    Observer: Caleb Nelson
    Location: Pawnee NG Bird Tour—Stops 5-8
  25. grackle sp. Quiscalus sp.
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: SH-14, Stoneham US-CO 40.61061, -103.60048
  26. blackbird sp. Icteridae sp.
    # Count: 4
    Date:
    Observer: Anonymous eBirder
    Location: St. Vrain SP