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Bird List

Updated ~14 hours ago
395 All Years 254 This Year 2024 130 This Month Jun 2024
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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (129)

  1. Canada Goose Branta canadensis
    # Count: 39
    Date:
    Observer: Courtney Rella
    Location: St. Vrain SP
  2. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Gary Warner
    Location: 30759–30799 County Road 31, Greeley US-CO 40.44694, -104.77346
  3. Blue-winged Teal Spatula discors
    # Count: 26
    Date:
    Observer: Jim Frank
    Location: Stewart's Pond
  4. Cinnamon Teal Spatula cyanoptera
    # Count: 6
    Date:
    Observer: Benjamin Zerante
    Location: Stewart's Pond
  5. Northern Shoveler Spatula clypeata
    # Count: 8
    Date:
    Observer: Benjamin Zerante
    Location: Stewart's Pond
  6. Gadwall Mareca strepera
    # Count: 2
    Date:
    Observer: Arvind Panjabi
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  7. Mallard Anas platyrhynchos
    # Count: 36
    Date:
    Observer: Chris Whitefield
    Location: Sanborn Park
  8. Northern Pintail Anas acuta
    # Count: 5
    Date:
    Observer: Lorraine Lanning
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  9. Green-winged Teal Anas crecca
    # Count: 8
    Date:
    Observer: Linda Lee
    Location: Pawnee NG--Weld CR 45 from CR 114 to 122
  10. Redhead Aythya americana
    # Count: 1
    Date:
    Observer: Jennie Duberstein
    Location: Stewart's Pond
  11. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Kyle Johnson
    Location: Loloff Reservoir
  12. Ruddy Duck Oxyura jamaicensis
    # Count: 5
    Date:
    Observer: Jim Frank
    Location: Stewart's Pond
  13. Wild Turkey Meleagris gallopavo
    # Count: 7
    Date:
    Observer: Michael Martin
    Location: Platte River Fort
  14. Pied-billed Grebe Podilymbus podiceps
    # Count: 2
    Date:
    Observer: Jun Tsuchiya
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  15. Eared Grebe Podiceps nigricollis
    # Count: 12
    Date:
    Observer: Benjamin Zerante
    Location: Stewart's Pond
  16. Western Grebe Aechmophorus occidentalis
    # Count: 33
    Date:
    Observer: Laura Harris
    Location: Union Reservoir
  17. Clark's Grebe Aechmophorus clarkii
    # Count: 4
    Date:
    Observer: John Vanderpoel
    Location: Union Reservoir
  18. Rock Pigeon Columba livia
    # Count: 8
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  19. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 14
    Date:
    Observer: Jeff Percell
    Location: Northridge Loop
  20. White-winged Dove Zenaida asiatica
    # Count: 1
    Date:
    Observer: Diane Thomas
    Location: CanAm Highway, Nunn, Colorado, US (40.758, -104.792)
  21. Mourning Dove Zenaida macroura
    # Count: 26
    Date:
    Observer: Adriana Jacobi 🦜
    Location: 45000–45738 County Road 57, Ault US-CO 40.64156, -104.52520
  22. Common Nighthawk Chordeiles minor
    # Count: 11
    Date:
    Observer: Emma Vawter
    Location: Pawnee NG Bird Tour—Stops 5-8
  23. Chimney Swift Chaetura pelagica
    # Count: 3
    Date:
    Observer: Tom Lally
    Location: Ault US-CO 40.58237, -104.73395
  24. White-throated Swift Aeronautes saxatalis
    # Count: 4
    Date:
    Observer: Scott Dieni
    Location: Pawnee NG--Pawnee Buttes and area
  25. Black-chinned Hummingbird Archilochus alexandri
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Percell Backyard, Northridge, Erie, Colorado, US (40.065, -105.042)
  26. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: 1
    Date:
    Observer: Winston Liu
    Location: Coal Creek Trail--Vista Pkwy to Erie Pkwy
  27. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Marisa Windell
    Location: Union Reservoir
  28. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Marisa Windell
    Location: Union Reservoir
  29. American Coot Fulica americana
    # Count: 3
    Date:
    Observer: Jun Tsuchiya
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  30. Black-necked Stilt Himantopus mexicanus
    # Count: 2
    Date:
    Observer: Jennie Duberstein
    Location: Lower Latham Reservoir area
  31. American Avocet Recurvirostra americana
    # Count: 7
    Date:
    Observer: Benjamin Zerante
    Location: Stewart's Pond
  32. Killdeer Charadrius vociferus
    # Count: 10
    Date:
    Observer: Benjamin Zerante
    Location: Stewart's Pond
  33. Mountain Plover Anarhynchus montanus
    # Count: 5
    Date:
    Observer: Jennie Duberstein
    Location: (40.6396,-104.3212)
  34. Long-billed Curlew Numenius americanus
    # Count: 1
    Date:
    Observer: Paul Poronto
    Location: Pawnee NG Bird Tour—CR-57
  35. Wilson's Phalarope Phalaropus tricolor
    # Count: 4
    Date:
    Observer: Arvind Panjabi
    Location: Pawnee NG--Adams and Bunker Reservoir Number 1
  36. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: Union Reservoir
  37. White-rumped Sandpiper Calidris fuscicollis
    # Count: 4
    Date:
    Observer: Linda Lee
    Location: Pawnee NG--Weld CR 45 from CR 114 to 122
  38. Double-crested Cormorant Nannopterum auritum
    # Count: 20
    Date:
    Observer: Eric Walters
    Location: Peninsula Park
  39. American White Pelican Pelecanus erythrorhynchos
    # Count: 175
    Date:
    Observer: Marisa Windell
    Location: Union Reservoir
  40. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 4
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  41. Snowy Egret Egretta thula
    # Count: 5
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  42. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Jamie Simo
    Location: St. Vrain SP
  43. Great Egret Ardea alba
    # Count: 3
    Date:
    Observer: Cole Wild
    Location: Windsor Reservoir
  44. Great Blue Heron Ardea herodias
    # Count: 30
    Date:
    Observer: Eve Lempriere
    Location: Sandstone Ranch
  45. Turkey Vulture Cathartes aura
    # Count: 3
    Date:
    Observer: Eve Lempriere
    Location: Sandstone Ranch
  46. Osprey Pandion haliaetus
    # Count: 5
    Date:
    Observer: Courtney Rella
    Location: St. Vrain SP
  47. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Scott Dieni
    Location: Pawnee NG--Pawnee Buttes and area
  48. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Pawnee NG Bird Tour—Stops 5-8
  49. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Tom Lally
    Location: Ault US-CO 40.58237, -104.73395
  50. Bald Eagle Haliaeetus leucocephalus
    # Count: 3
    Date:
    Observer: Kyle Johnson
    Location: Missile Silo Park area
  51. Swainson's Hawk Buteo swainsoni
    # Count: 35
    Date:
    Observer: Ted Floyd
    Location: Pawnee NG (Please use more-specific locations)
  52. Red-tailed Hawk Buteo jamaicensis
    # Count: 7
    Date:
    Observer: Michael Martin
    Location: Platte River Fort
  53. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: woody wheeler
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  54. Barn Owl Tyto alba
    # Count: 4
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  55. Great Horned Owl Bubo virginianus
    # Count: 2
    Date:
    Observer: Kyle Johnson
    Location: Missile Silo Park area
  56. Burrowing Owl Athene cunicularia
    # Count: 7
    Date:
    Observer: Jun Tsuchiya
    Location: County Road 106, Briggsdale, Colorado, US (40.756, -104.367)
  57. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Joe Kipper
    Location: Swan Pond, F Street, Greeley, Colorado, US (40.443, -104.754)
  58. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 1
    Date:
    Observer: Linda Lee
    Location: 16799-16083 County Road 122, Carr, Colorado, US (40.87, -104.755)
  59. Downy Woodpecker Dryobates pubescens
    # Count: 2
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  60. Northern Flicker Colaptes auratus
    # Count: 7
    Date:
    Observer: Cole Wild
    Location: Frank SWA (Weld Co)
  61. American Kestrel Falco sparverius
    # Count: 2
    Date:
    Observer: John Vanderpoel
    Location: Union Reservoir
  62. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Lane Theander
    Location: Pawnee NG Bird Tour—Stops 9-11 (CR-104)
  63. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Sue Riffe
    Location: Pawnee NG--Crow Valley CG
  64. Western Wood-Pewee Contopus sordidulus
    # Count: 5
    Date:
    Observer: Peter Burke
    Location: Pawnee NG--Crow Valley CG
  65. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  66. Say's Phoebe Sayornis saya
    # Count: 8
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  67. Western Kingbird Tyrannus verticalis
    # Count: 28
    Date:
    Observer: Alan Nelson
    Location: Crow Valley Recreation Area, Briggsdale US-CO 40.64392, -104.34090
  68. Eastern Kingbird Tyrannus tyrannus
    # Count: 8
    Date:
    Observer: Ann Colpitts
    Location: Pawnee NG--Crow Valley CG
  69. Warbling Vireo Vireo gilvus
    # Count: 3
    Date:
    Observer: Jamie Simo
    Location: St. Vrain SP
  70. Loggerhead Shrike Lanius ludovicianus
    # Count: 5
    Date:
    Observer: Linda Lee
    Location: Pawnee NG--Central Plains Experimental Range
  71. Blue Jay Cyanocitta cristata
    # Count: 10
    Date:
    Observer: Caleb Stewart
    Location: Poudre River Trail, Greeley US-CO 40.44010, -104.76635
  72. Black-billed Magpie Pica hudsonia
    # Count: 7
    Date:
    Observer: Winston Liu
    Location: Coal Creek Trail--Erie
  73. American Crow Corvus brachyrhynchos
    # Count: 2
    Date:
    Observer: Caleb Stewart
    Location: Family FunPlex
  74. Common Raven Corvus corax
    # Count: 2
    Date:
    Observer: Edward Landi
    Location: Pawnee NG--Weld CR 47 near CR 116
  75. Black-capped Chickadee Poecile atricapillus
    # Count: 2
    Date:
    Observer: Jeff Percell
    Location: Northridge Loop
  76. Horned Lark Eremophila alpestris
    # Count: 365
    Date:
    Observer: Eric Walters
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  77. Bank Swallow Riparia riparia
    # Count: 8
    Date:
    Observer: Courtney Rella
    Location: St. Vrain SP
  78. Tree Swallow Tachycineta bicolor
    # Count: 6
    Date:
    Observer: Karen Kosakowski
    Location: St. Vrain SP
  79. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 10
    Date:
    Observer: Courtney Rella
    Location: St. Vrain SP
  80. Barn Swallow Hirundo rustica
    # Count: 15
    Date:
    Observer: John Vanderpoel
    Location: Union Reservoir
  81. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 700
    Date:
    Observer: Gary Warner
    Location: 30759–30799 County Road 31, Greeley US-CO 40.44694, -104.77346
  82. Bushtit Psaltriparus minimus
    # Count: 5
    Date:
    Observer: Joey Angstman
    Location: Oxbow Trail
  83. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Caleb Stewart
    Location: Toru
  84. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: X
    Date:
    Observer: Caitlin Bergeron
    Location: Home
  85. Rock Wren Salpinctes obsoletus
    # Count: 9
    Date:
    Observer: Scott Dieni
    Location: Pawnee NG--Pawnee Buttes and area
  86. House Wren Troglodytes aedon
    # Count: 7
    Date:
    Observer: Cole Wild
    Location: Frank SWA (Weld Co)
  87. Marsh Wren Cistothorus palustris
    # Count: 4
    Date:
    Observer: Karen Kosakowski
    Location: St. Vrain SP
  88. European Starling Sturnus vulgaris
    # Count: 86
    Date:
    Observer: Angelo DelloMargio
    Location: Briggsdale (town)
  89. Gray Catbird Dumetella carolinensis
    # Count: 3
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  90. Brown Thrasher Toxostoma rufum
    # Count: 5
    Date:
    Observer: Ann Colpitts
    Location: Pawnee NG--Crow Valley CG
  91. Sage Thrasher Oreoscoptes montanus
    # Count: 1
    Date:
    Observer: Scott Dieni
    Location: Pawnee NG--Pawnee Buttes and area
  92. Northern Mockingbird Mimus polyglottos
    # Count: 4
    Date:
    Observer: Ann Colpitts
    Location: Pawnee NG--Crow Valley CG
  93. Swainson's Thrush Catharus ustulatus
    # Count: 2
    Date:
    Observer: Emma Vawter
    Location: Pawnee NG--Norma's Grove
  94. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Ann Colpitts
    Location: Pawnee NG--Crow Valley CG
  95. American Robin Turdus migratorius
    # Count: 16
    Date:
    Observer: Cole Wild
    Location: Windsor Reservoir
  96. Cedar Waxwing Bombycilla cedrorum
    # Count: 1
    Date:
    Observer: David Fraide
    Location: Salazar way
  97. House Sparrow Passer domesticus
    # Count: 30
    Date:
    Observer: Cynthia Lamb
    Location: The Wild Animal Sanctuary
  98. House Finch Haemorhous mexicanus
    # Count: 15
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  99. American Goldfinch Spinus tristis
    # Count: 4
    Date:
    Observer: Jeff Percell
    Location: Northridge Loop
  100. Chestnut-collared Longspur Calcarius ornatus
    # Count: 13
    Date:
    Observer: Edward Landi
    Location: Pawnee NG--Weld CR 47 near CR 116
  101. Thick-billed Longspur Rhynchophanes mccownii
    # Count: 25
    Date:
    Observer: Mike Serruto
    Location: Pawnee NG--Weld CR 45 from CR 114 to 122
  102. Cassin's Sparrow Peucaea cassinii
    # Count: 16
    Date:
    Observer: Ted Floyd
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  103. Grasshopper Sparrow Ammodramus savannarum
    # Count: 15
    Date:
    Observer: Ted Floyd
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  104. Chipping Sparrow Spizella passerina
    # Count: 1
    Date:
    Observer: Ann Colpitts
    Location: Pawnee NG--Crow Valley CG
  105. Brewer's Sparrow Spizella breweri
    # Count: 5
    Date:
    Observer: Emma Vawter
    Location: Pawnee NG Bird Tour—Stops 9-11 (CR-104)
  106. Lark Sparrow Chondestes grammacus
    # Count: 12
    Date:
    Observer: Eve Lempriere
    Location: Sandstone Ranch
  107. Lark Bunting Calamospiza melanocorys
    # Count: 75
    Date:
    Observer: Bob Boekelheide
    Location: Pawnee NG Bird Tour--CR-96
  108. Vesper Sparrow Pooecetes gramineus
    # Count: 19
    Date:
    Observer: Emma Vawter
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture
  109. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: Marisa Windell
    Location: Union Reservoir
  110. Song Sparrow Melospiza melodia
    # Count: 18
    Date:
    Observer: Karen Kosakowski
    Location: St. Vrain SP
  111. Green-tailed Towhee Pipilo chlorurus
    # Count: 1
    Date:
    Observer: Winston Liu
    Location: Coal Creek Trail--Vista Pkwy to Erie Pkwy
  112. Spotted Towhee Pipilo maculatus
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Northridge Loop
  113. Yellow-breasted Chat Icteria virens
    # Count: 2
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  114. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 12
    Date:
    Observer: John Vanderpoel
    Location: Union Reservoir
  115. Western Meadowlark Sturnella neglecta
    # Count: 80
    Date:
    Observer: Bob Boekelheide
    Location: Pawnee NG Bird Tour--CR-96
  116. Orchard Oriole Icterus spurius
    # Count: 2
    Date:
    Observer: Arvind Panjabi
    Location: Pawnee NG--Crow Valley CG
  117. Bullock's Oriole Icterus bullockii
    # Count: 8
    Date:
    Observer: Joey Angstman
    Location: Oxbow Trail
  118. Red-winged Blackbird Agelaius phoeniceus
    # Count: 60
    Date:
    Observer: Jennie Duberstein
    Location: Lower Latham Reservoir area
  119. Brown-headed Cowbird Molothrus ater
    # Count: 9
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  120. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 9
    Date:
    Observer: Scott Dieni
    Location: Pawnee NG--Pawnee Buttes and area
  121. Common Grackle Quiscalus quiscula
    # Count: 27
    Date:
    Observer: Arvind Panjabi
    Location: Pawnee NG--Crow Valley CG
  122. Great-tailed Grackle Quiscalus mexicanus
    # Count: 5
    Date:
    Observer: Ann Colpitts
    Location: Pawnee NG--Crow Valley CG
  123. Common Yellowthroat Geothlypis trichas
    # Count: 6
    Date:
    Observer: Karen Kosakowski
    Location: St. Vrain SP
  124. Yellow Warbler Setophaga petechia
    # Count: 8
    Date:
    Observer: Karen Kosakowski
    Location: St. Vrain SP
  125. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Joey Angstman
    Location: 80634, Greeley US-CO (40.4114,-104.8032)
  126. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 2
    Date:
    Observer: Cole Wild
    Location: Frank SWA (Weld Co)
  127. Blue Grosbeak Passerina caerulea
    # Count: 3
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  128. Lazuli Bunting Passerina amoena
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  129. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: Cole Wild
    Location: Windsor Reservoir

Exotic: Provisional (1)

  1. Ring-necked Pheasant Phasianus colchicus
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie

Exotic: Escapee (2)

  1. Mute Swan Cygnus olor
    # Count: 2
    Date:
    Observer: Joe Kipper
    Location: Swan Pond, F Street, Greeley, Colorado, US (40.443, -104.754)
  2. Northern Bobwhite Colinus virginianus
    # Count: 1
    Date:
    Observer: Bruce Snyder
    Location: WCR 49 north of WCR 4

Additional Taxa (13)

  1. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: St. Vrain SP
  2. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 30
    Date:
    Observer: John Vanderpoel
    Location: Union Reservoir
  3. pigeon/dove sp. Columbidae sp.
    # Count: 3
    Date:
    Observer: Cynthia Lamb
    Location: The Wild Animal Sanctuary
  4. shorebird sp. Charadriiformes sp.
    # Count: 12
    Date:
    Observer: Benjamin Zerante
    Location: Stewart's Pond
  5. gull sp. Larinae sp.
    # Count: 2
    Date:
    Observer: Cynthia Lamb
    Location: The Wild Animal Sanctuary
  6. Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianum
    # Count: 4
    Date:
    Observer: Patricia Ellis
    Location: 9513 East County Line Road, Longmont, Colorado, US (40.147, -105.055)
  7. Cassin's/Western Kingbird Tyrannus vociferans/verticalis
    # Count: 2
    Date:
    Observer: Scott Dieni
    Location: Pawnee NG--Pawnee Buttes and area
  8. new world flycatcher sp. Tyrannidae sp.
    # Count: 2
    Date:
    Observer: Ted Floyd
    Location: Briggsdale (town)
  9. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Scott Dieni
    Location: Pawnee NG--Pawnee Buttes and area
  10. swallow sp. Hirundinidae sp.
    # Count: 40
    Date:
    Observer: Winston Liu
    Location: Coal Creek Trail--Vista Pkwy to Erie Pkwy
  11. new world goldfinch sp. Spinus sp. (goldfinch sp.)
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Coal Creek Trail--Erie
  12. longspur sp. Calcarius/Rhynchophanes sp.
    # Count: 1
    Date:
    Observer: Nick Komar
    Location: Pawnee NG Bird Tour—Stops 9-11 (CR-104)
  13. new world sparrow sp. Passerellidae sp.
    # Count: 15
    Date:
    Observer: Sue Riffe
    Location: Pawnee NG Bird Tour—Stops 9-11 (CR-104)