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Bird List

Updated ~11 days ago
517 All Years 401 This Year 2024 273 This Month Jun 2024 302 Global Big Day 8 May 2021
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (301)

  1. Hooded Warbler Setophaga citrina
    # Count: 1
    Date:
    Observer: Christopher Murray
    Location: Boyd Lake Larimer
  2. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Kelly Ormesher
    Location: Union Reservoir Weld
  3. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Matt Hofeditz
    Location: Lake Hasty (lake and campground) Bent
  4. Glossy Ibis Plegadis falcinellus
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Patent Creek Playa, Yuma CR 58 Yuma
  5. Mountain Plover Anarhynchus montanus
    # Count: 5
    Date:
    Observer: Brenda Wo
    Location: Pawnee NG Bird Tour--Stops 1-4 and Murphy's Pasture Weld
  6. Western Screech-Owl Megascops kennicottii
    # Count: 1
    Date:
    Observer: Nic Korte
    Location: Northridge Subdivision Mesa
  7. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Scott Rashid
    Location: Lake Estes Larimer
  8. Hudsonian Godwit Limosa haemastica
    # Count: 2
    Date:
    Observer: Eric DeFonso 🦑
    Location: Patent Creek Playa, Yuma CR 58 Yuma
  9. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: Santi Tabares
    Location: Chatfield SP (Douglas Co) Douglas
  10. Upland Sandpiper Bartramia longicauda
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: PHI CR 29 & 8 Phillips
  11. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: Christine Alexander
    Location: Holly Rest Area Prowers
  12. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Michelle Puplava
    Location: Heron Pond Natural Area Denver
  13. Purple Martin Progne subis
    # Count: 1
    Date:
    Observer: JoAnn Potter Riggle 🦤
    Location: Cheney Reservoir Mesa
  14. Rufous-crowned Sparrow Aimophila ruficeps
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Picture Canyon Baca
  15. White-rumped Sandpiper Calidris fuscicollis
    # Count: 1
    Date:
    Observer: David Dowell
    Location: Wray Fish Hatchery Yuma
  16. Stilt Sandpiper Calidris himantopus
    # Count: 1
    Date:
    Observer: Michael Lester
    Location: Granada SWA--Midwestern Farms tract Prowers
  17. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Forrest Luke
    Location: Elkhead Creek Reservoir (Moffat Co.) Moffat
  18. Palm Warbler Setophaga palmarum
    # Count: 2
    Date:
    Observer: Matthew Webb
    Location: Watson Lake Larimer
  19. Ovenbird Seiurus aurocapilla
    # Count: 1
    Date:
    Observer: Rachel Kolokoff Hopper
    Location: Prospect Ponds Natural Area Larimer
  20. Piping Plover Charadrius melodus
    # Count: 1
    Date:
    Observer: Riley Morris
    Location: John Martin Reservoir State Park, Hasty US-CO 38.08139, -102.95845 Bent
  21. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: Leah Waldner
    Location: 4530 US-6, De Beque US-CO 39.32697, -108.20745 Mesa
  22. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: Loren Ahonen
    Location: Blue Mesa Reservoir--eastern portion Gunnison
  23. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: Robb Hinds
    Location: Chico Basin Ranch--Bell Grove (El Paso Co) (mandatory registration required at www.aikenaudubon.com) El Paso
  24. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 1
    Date:
    Observer: Chris Schoenfelder
    Location: Chris Home - 38.9186x-104.7262 El Paso
  25. Sagebrush Sparrow Artemisiospiza nevadensis
    # Count: 1
    Date:
    Observer: Eric Dinkel
    Location: Bluff Lake Nature Center Denver
  26. Neotropic Cormorant Nannopterum brasilianum
    # Count: 1
    Date:
    Observer: Kim Weber
    Location: Pikeview Reservoir El Paso
  27. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: Janet Smith
    Location: St. Vrain SP Weld
  28. Blue-winged Warbler Vermivora cyanoptera
    # Count: 1
    Date:
    Observer: Mark Obmascik
    Location: First Creek at Green Valley Ranch Denver
  29. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Javier Mercado
    Location: Prospects Ponds Natural Area Larimer
  30. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Julia Auckland
    Location: First Creek at Green Valley Ranch Denver
  31. Worm-eating Warbler Helmitheros vermivorum
    # Count: 1
    Date:
    Observer: Kevin Ash
    Location: Lamar Community College Prowers
  32. Field Sparrow Spizella pusilla
    # Count: 1
    Date:
    Observer: Nathan Pieplow
    Location: Crook, Colorado, US (40.808, -102.905) Logan
  33. Band-tailed Pigeon Patagioenas fasciata
    # Count: 6
    Date:
    Observer: Noah Brinkman
    Location: Rio Grande Nature Trail Garfield
  34. Red Crossbill Loxia curvirostra
    # Count: X
    Date:
    Observer: Jack OConnell
    Location: Wildernest (community) Summit
  35. Bobolink Dolichonyx oryzivorus
    # Count: 2
    Date:
    Observer: Marc Hemmes
    Location: Lake Estes Larimer
  36. Golden-winged Warbler Vermivora chrysoptera
    # Count: 1
    Date:
    Observer: Marc Hemmes
    Location: Lake Estes Larimer
  37. Townsend's Warbler Setophaga townsendi
    # Count: 1
    Date:
    Observer: Gwen Moore
    Location: 80825, Kit Carson US-CO 38.75726, -102.98198 Cheyenne
  38. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Josh Bruening
    Location: Mt. Margaret Trail-Red Feather Lakes, CO Larimer
  39. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Allison Leigh
    Location: Dotsero Ponds Eagle
  40. Black-bellied Plover Pluvialis squatarola
    # Count: 4
    Date:
    Observer: John Rawinski
    Location: Blanca Wetlands (BLM) Alamosa
  41. Snowy Plover Anarhynchus nivosus
    # Count: 5
    Date:
    Observer: John Rawinski
    Location: Blanca Wetlands (BLM) Alamosa
  42. American Bittern Botaurus lentiginosus
    # Count: 3
    Date:
    Observer: John Rawinski
    Location: Blanca Wetlands (BLM) Alamosa
  43. Yellow-throated Vireo Vireo flavifrons
    # Count: 1
    Date:
    Observer: Mary Burger
    Location: Chatfield SP (Douglas Co) Douglas
  44. Prothonotary Warbler Protonotaria citrea
    # Count: 1
    Date:
    Observer: Chris Knight
    Location: Lake Pueblo SP--Valco Ponds Pueblo
  45. Canvasback Aythya valisineria
    # Count: 4
    Date:
    Observer: David de Rivera Tønnessen
    Location: Coalmont area Jackson
  46. Red-breasted Merganser Mergus serrator
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Coalmont area Jackson
  47. Dusky Grouse Dendragapus obscurus
    # Count: 2
    Date:
    Observer: Charles Price
    Location: 11200 60M Road, Telluride, Colorado, US (37.944, -107.929) San Miguel
  48. Marbled Godwit Limosa fedoa
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Coalmont area Jackson
  49. Red-necked Phalarope Phalaropus lobatus
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Coalmont area Jackson
  50. Lesser Yellowlegs Tringa flavipes
    # Count: 6
    Date:
    Observer: David de Rivera Tønnessen
    Location: Coalmont area Jackson
  51. Greater Yellowlegs Tringa melanoleuca
    # Count: 3
    Date:
    Observer: David de Rivera Tønnessen
    Location: Coalmont area Jackson
  52. White-eyed Vireo Vireo griseus
    # Count: 1
    Date:
    Observer: Doug Faulkner
    Location: Wheat Ridge Greenbelt Jefferson
  53. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 2
    Date:
    Observer: Dave Sage
    Location: Cherry Creek SP--Swim Beach & Smoky Hill Shelter area Arapahoe
  54. Williamson's Sapsucker Sphyrapicus thyroideus
    # Count: 5
    Date:
    Observer: Deborah Barnes
    Location: Mueller SP Teller
  55. Gray-crowned Rosy-Finch Leucosticte tephrocotis
    # Count: 1
    Date:
    Observer: Bryan Gieszl
    Location: Home Pitkin
  56. Black Rosy-Finch Leucosticte atrata
    # Count: 1
    Date:
    Observer: Bryan Gieszl
    Location: Home Pitkin
  57. Brown-capped Rosy-Finch Leucosticte australis
    # Count: 80
    Date:
    Observer: Bryan Gieszl
    Location: Home Pitkin
  58. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Georgia Doyle
    Location: Lion's Club Fishin' Hole Phillips
  59. Western Sandpiper Calidris mauri
    # Count: 6
    Date:
    Observer: JoAnn Hackos
    Location: Pawnee NG--Weld CR 45 from CR 114 to 122 Weld
  60. Chestnut-collared Longspur Calcarius ornatus
    # Count: 1
    Date:
    Observer: JoAnn Hackos
    Location: Pawnee NG--Weld CR 45 from CR 114 to 122 Weld
  61. Thick-billed Longspur Rhynchophanes mccownii
    # Count: 3
    Date:
    Observer: JoAnn Hackos
    Location: Pawnee NG--Weld CR 45 from CR 114 to 122 Weld
  62. Cassin's Sparrow Peucaea cassinii
    # Count: 3
    Date:
    Observer: Norman Erthal
    Location: County Road 12, Lamar, Colorado, US (37.656, -102.545) Prowers
  63. Northern Pygmy-Owl Glaucidium gnoma
    # Count: 1
    Date:
    Observer: Nick Komar
    Location: Rist Canyon Rd--miles 6 to 9 Larimer
  64. Gray Vireo Vireo vicinior
    # Count: 2
    Date:
    Observer: Leah Waldner
    Location: 4509–4551 V Rd, De Beque US-CO 39.32089, -108.18825 Mesa
  65. Canyon Towhee Melozone fusca
    # Count: 2
    Date:
    Observer: Michelle Caldwell
    Location: 20365 Belinda Dr, Calhan US-CO (38.9949,-104.4493) El Paso
  66. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Robert Pike
    Location: 7390E CR 359 Archuleta
  67. Clark's Nutcracker Nucifraga columbiana
    # Count: 1
    Date:
    Observer: MaryLynne Ketcham
    Location: Indian Creek Teller
  68. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Skot Latona
    Location: South Platte Park--South Platte Reservoir (Arapahoe Co) Arapahoe
  69. Lewis's Woodpecker Melanerpes lewis
    # Count: 2
    Date:
    Observer: Irene Shonle
    Location: Florence River Park Fremont
  70. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Skyler Bol
    Location: Pawnee NG--Norma's Grove Weld
  71. Scaled Quail Callipepla squamata
    # Count: 2
    Date:
    Observer: Jeremy Webster
    Location: Picture Canyon Baca
  72. Greater Roadrunner Geococcyx californianus
    # Count: 1
    Date:
    Observer: Jeremy Webster
    Location: Picture Canyon Baca
  73. Chukar Alectoris chukar
    # Count: 2
    Date:
    Observer: Logan Wagner
    Location: Cameo & Coal Canyon Mesa
  74. Black-throated Sparrow Amphispiza bilineata
    # Count: 6
    Date:
    Observer: Logan Wagner
    Location: Cameo & Coal Canyon Mesa
  75. Hooded Merganser Lophodytes cucullatus
    # Count: 4
    Date:
    Observer: Barbra Sobhani
    Location: Main Reservoir (Lakewood) Jefferson
  76. Northern Bobwhite Colinus virginianus
    # Count: 2
    Date:
    Observer: Bruce Bosley
    Location: Muir Springs (private) Morgan
  77. Long-billed Curlew Numenius americanus
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Colorado 14, Walden, Colorado, US (40.662, -106.194) Jackson
  78. Common Goldeneye Bucephala clangula
    # Count: 2
    Date:
    Observer: Eric Spink
    Location: Sands Lake SWA Chaffee
  79. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Skyler Bol
    Location: Pawnee National Grassland, Ault US-CO 40.67813, -104.52444 Weld
  80. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: George Steele
    Location: Burn Canyon Trails Buttermilk Loop San Miguel
  81. Baird's Sandpiper Calidris bairdii
    # Count: X
    Date:
    Observer: Chris Gilbert
    Location: Crowley County, CO Crowley
  82. Pectoral Sandpiper Calidris melanotos
    # Count: X
    Date:
    Observer: Chris Gilbert
    Location: Crowley County, CO Crowley
  83. Semipalmated Sandpiper Calidris pusilla
    # Count: X
    Date:
    Observer: Chris Gilbert
    Location: Crowley County, CO Crowley
  84. Cassin's Kingbird Tyrannus vociferans
    # Count: X
    Date:
    Observer: Chris Gilbert
    Location: Crowley County, CO Crowley
  85. Chihuahuan Raven Corvus cryptoleucus
    # Count: X
    Date:
    Observer: Chris Gilbert
    Location: Crowley County, CO Crowley
  86. Curve-billed Thrasher Toxostoma curvirostre
    # Count: X
    Date:
    Observer: Chris Gilbert
    Location: Crowley County, CO Crowley
  87. Eastern Bluebird Sialia sialis
    # Count: X
    Date:
    Observer: Chris Gilbert
    Location: Crowley County, CO Crowley
  88. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Thomas Sather
    Location: 1949 Mount Zion Dr, Golden US-CO 39.74464, -105.23175 Jefferson
  89. Lesser Goldfinch Spinus psaltria
    # Count: 12
    Date:
    Observer: Thomas Sather
    Location: 1949 Mount Zion Dr, Golden US-CO 39.74464, -105.23175 Jefferson
  90. Forster's Tern Sterna forsteri
    # Count: 1
    Date:
    Observer: Edward Landi
    Location: Runyon/Fountain Lakes SWA Pueblo
  91. Black-crowned Night Heron Nycticorax nycticorax
    # Count: X
    Date:
    Observer: Kyle Burton
    Location: Washington Park Denver
  92. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Edward Landi
    Location: Runyon/Fountain Lakes SWA Pueblo
  93. Bewick's Wren Thryomanes bewickii
    # Count: 3
    Date:
    Observer: Edward Landi
    Location: Runyon/Fountain Lakes SWA Pueblo
  94. Gray-cheeked Thrush Catharus minimus
    # Count: 1
    Date:
    Observer: Riley Morris
    Location: Melody Tempel Grove Bent
  95. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Riley Morris
    Location: Melody Tempel Grove Bent
  96. Virginia's Warbler Leiothlypis virginiae
    # Count: 1
    Date:
    Observer: Edward Landi
    Location: Runyon/Fountain Lakes SWA Pueblo
  97. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: Riley Morris
    Location: Melody Tempel Grove Bent
  98. Semipalmated Plover Charadrius semipalmatus
    # Count: 1
    Date:
    Observer: Gene Rutherford
    Location: Union Reservoir Weld
  99. Ladder-backed Woodpecker Dryobates scalaris
    # Count: 2
    Date:
    Observer: Colin Woolley
    Location: Chico Basin Ranch--wooded areas (El Paso Co) (mandatory registration required at www.aikenaudubon.com) El Paso
  100. Snow Goose Anser caerulescens
    # Count: 1
    Date:
    Observer: Michael Lester
    Location: North Gateway Park (limited access during waterfowl season) Prowers
  101. Least Sandpiper Calidris minutilla
    # Count: 3
    Date:
    Observer: Ariel Kallenbach
    Location: Arapahoe Bend Natural Area Larimer
  102. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Ariel Kallenbach
    Location: Arapahoe Bend Natural Area Larimer
  103. Plumbeous Vireo Vireo plumbeus
    # Count: 2
    Date:
    Observer: Mike Thompson
    Location: San Juan National Forest, Cahone US-CO 37.75476, -108.65657 Dolores
  104. Pinyon Jay Gymnorhinus cyanocephalus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: 770 Pine Street, Cedaredge, Colorado, US (38.891, -107.916) Delta
  105. Grace's Warbler Setophaga graciae
    # Count: 2
    Date:
    Observer: Mike Thompson
    Location: San Juan National Forest, Cahone US-CO 37.75476, -108.65657 Dolores
  106. Carolina Wren Thryothorus ludovicianus
    # Count: 1
    Date:
    Observer: Diane Roberts
    Location: Lamar Community College Prowers
  107. Gray Catbird Dumetella carolinensis
    # Count: 2
    Date:
    Observer: Diane Roberts
    Location: Lamar Community College Prowers
  108. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Diane Roberts
    Location: Lamar Community College Prowers
  109. Northern Parula Setophaga americana
    # Count: 1
    Date:
    Observer: Luke Pheneger
    Location: Holbrook Reservoir Otero
  110. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Luke Pheneger
    Location: Holbrook Reservoir Otero
  111. Gray Flycatcher Empidonax wrightii
    # Count: 1
    Date:
    Observer: jim wood
    Location: Black Canyon of the Gunnison NP--South Rim Campground Montrose
  112. Northern Pintail Anas acuta
    # Count: 1
    Date:
    Observer: Eric DeFonso 🦑
    Location: 33454 County Road 3.5, Idalia US-CO (39.6167,-102.1694) Yuma
  113. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Pond west of Stearns Lake Broomfield
  114. Solitary Sandpiper Tringa solitaria
    # Count: 2
    Date:
    Observer: Jeff Percell
    Location: Pond west of Stearns Lake Broomfield
  115. Gambel's Quail Callipepla gambelii
    # Count: 23
    Date:
    Observer: Brenda Wright
    Location: Lower Yellowjacket Montezuma
  116. White-winged Dove Zenaida asiatica
    # Count: 4
    Date:
    Observer: T B
    Location: High Chaparral Open Space El Paso
  117. Dusky Flycatcher Empidonax oberholseri
    # Count: 1
    Date:
    Observer: Ryan Votta
    Location: Navajo SP and Reservoir Archuleta
  118. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Ryan Votta
    Location: Navajo SP and Reservoir Archuleta
  119. Juniper Titmouse Baeolophus ridgwayi
    # Count: 1
    Date:
    Observer: Ryan Votta
    Location: Navajo SP and Reservoir Archuleta
  120. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Ryan Votta
    Location: Navajo SP and Reservoir Archuleta
  121. Lucy's Warbler Leiothlypis luciae
    # Count: 3
    Date:
    Observer: Brenda Wright
    Location: Lower Yellowjacket Montezuma
  122. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Ryan Votta
    Location: Navajo SP and Reservoir Archuleta
  123. Mississippi Kite Ictinia mississippiensis
    # Count: 1
    Date:
    Observer: Edward Landi
    Location: Dundee Ln Pueblo
  124. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Eric Dinkel
    Location: First Creek at Green Valley Ranch Denver
  125. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: David Dowell
    Location: South Republican SWA--Hale Crossroads Yuma
  126. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: David Dowell
    Location: South Republican SWA--Hale Crossroads Yuma
  127. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: David Dowell
    Location: South Republican SWA--Hale Crossroads Yuma
  128. Cedar Waxwing Bombycilla cedrorum
    # Count: 40
    Date:
    Observer: David Dowell
    Location: South Republican SWA--Hale Crossroads Yuma
  129. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: David Dowell
    Location: South Republican SWA--Hale Crossroads Yuma
  130. American Dipper Cinclus mexicanus
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: 65922-69972 Colorado 14, Walden, Colorado, US (40.504, -105.898) Jackson
  131. Redhead Aythya americana
    # Count: 6
    Date:
    Observer: Charles Hundertmark
    Location: Prewitt Reservoir SWA--Inlet Canal Washington
  132. Sandhill Crane Antigone canadensis
    # Count: 4
    Date:
    Observer: Walter Wehtje
    Location: Maybell (town) Moffat
  133. White-faced Ibis Plegadis chihi
    # Count: 7
    Date:
    Observer: Charles Hundertmark
    Location: Prewitt Reservoir SWA--Inlet Canal Washington
  134. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: Charles Hundertmark
    Location: Prewitt Reservoir SWA--Inlet Canal Washington
  135. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Charles Hundertmark
    Location: Prewitt Reservoir SWA--Inlet Canal Washington
  136. Cinnamon Teal Spatula cyanoptera
    # Count: 2
    Date:
    Observer: John C Breitsch
    Location: Second Creek and Buckley Ranch Open Spaces Adams
  137. Greater Prairie-Chicken Tympanuchus cupido
    # Count: 11
    Date:
    Observer: robert beauchamp
    Location: Playa at Sedgwick CRs 23 & 12 Sedgwick
  138. Sanderling Calidris alba
    # Count: X
    Date:
    Observer: robert beauchamp
    Location: Sedgwich County Sedgwick
  139. Black Tern Chlidonias niger
    # Count: X
    Date:
    Observer: robert beauchamp
    Location: Sedgwich County Sedgwick
  140. Cooper's Hawk Accipiter cooperii
    # Count: X
    Date:
    Observer: robert beauchamp
    Location: Sedgwich County Sedgwick
  141. Burrowing Owl Athene cunicularia
    # Count: 1
    Date:
    Observer: robert beauchamp
    Location: Playa at Sedgwick CRs 23 & 12 Sedgwick
  142. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: X
    Date:
    Observer: robert beauchamp
    Location: Sedgwich County Sedgwick
  143. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: John C Breitsch
    Location: Second Creek and Buckley Ranch Open Spaces Adams
  144. Swainson's Thrush Catharus ustulatus
    # Count: X
    Date:
    Observer: robert beauchamp
    Location: Sedgwich County Sedgwick
  145. Grasshopper Sparrow Ammodramus savannarum
    # Count: 5
    Date:
    Observer: robert beauchamp
    Location: Playa at Sedgwick CRs 23 & 12 Sedgwick
  146. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Matt Clark
    Location: Kit Carson (town) Cheyenne
  147. Baltimore Oriole Icterus galbula
    # Count: X
    Date:
    Observer: robert beauchamp
    Location: Sedgwich County Sedgwick
  148. Northern Cardinal Cardinalis cardinalis
    # Count: X
    Date:
    Observer: robert beauchamp
    Location: Sedgwich County Sedgwick
  149. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: X
    Date:
    Observer: robert beauchamp
    Location: Sedgwich County Sedgwick
  150. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Randall Siebert
    Location: Flagler Reservoir SWA Kit Carson
  151. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Nathan Pieplow
    Location: Jumbo Reservoir (Logan Co) Logan
  152. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Nathan Pieplow
    Location: Jumbo Reservoir (Logan Co) Logan
  153. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Nathan Pieplow
    Location: Jumbo Reservoir (Logan Co) Logan
  154. Clay-colored Sparrow Spizella pallida
    # Count: 8
    Date:
    Observer: Nathan Pieplow
    Location: Jumbo Reservoir (Logan Co) Logan
  155. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: Nathan Pieplow
    Location: Jumbo Reservoir (Logan Co) Logan
  156. Sharp-tailed Grouse Tympanuchus phasianellus
    # Count: 4
    Date:
    Observer: Kelly Ormesher
    Location: County Road 111, Grover, Colorado, US (40.96, -104.011) Weld
  157. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Andrew Rothman
    Location: First Creek at Green Valley Ranch Denver
  158. Snowy Egret Egretta thula
    # Count: 4
    Date:
    Observer: Andrew Rothman
    Location: First Creek at Green Valley Ranch Denver
  159. Western Cattle Egret Bubulcus ibis
    # Count: 6
    Date:
    Observer: Andrew Rothman
    Location: First Creek at Green Valley Ranch Denver
  160. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Andrew Rothman
    Location: First Creek at Green Valley Ranch Denver
  161. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Rist Canyon Rd--miles 6 to 9 Larimer
  162. Red-naped Sapsucker Sphyrapicus nuchalis
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Rist Canyon Rd--miles 6 to 9 Larimer
  163. Evening Grosbeak Coccothraustes vespertinus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Rist Canyon Rd--miles 6 to 9 Larimer
  164. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 2
    Date:
    Observer: Felice Lyons
    Location: Castlewood Canyon SP Douglas
  165. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 2
    Date:
    Observer: Felice Lyons
    Location: Castlewood Canyon SP Douglas
  166. Western Bluebird Sialia mexicana
    # Count: 5
    Date:
    Observer: Felice Lyons
    Location: Castlewood Canyon SP Douglas
  167. Mountain Bluebird Sialia currucoides
    # Count: 5
    Date:
    Observer: Felice Lyons
    Location: Castlewood Canyon SP Douglas
  168. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Felice Lyons
    Location: Castlewood Canyon SP Douglas
  169. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 4
    Date:
    Observer: Felice Lyons
    Location: Castlewood Canyon SP Douglas
  170. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Felice Lyons
    Location: Castlewood Canyon SP Douglas
  171. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: Cole Sage
    Location: Cherry Creek SP--Prairie Loop Arapahoe
  172. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Sue Riffe
    Location: Medicine Bow-Routt National Forests, Kremmling US-CO 40.35611, -106.57963 Grand
  173. Wilson's Snipe Gallinago delicata
    # Count: 3
    Date:
    Observer: Edward Raynor
    Location: Rocky Mountain NP--Sprague Lake area Larimer
  174. Chimney Swift Chaetura pelagica
    # Count: 4
    Date:
    Observer: Bill Prather
    Location: Limon Wetlands & Doug Kissel Pond Lincoln
  175. Great-tailed Grackle Quiscalus mexicanus
    # Count: 10
    Date:
    Observer: Bill Prather
    Location: Limon Wetlands & Doug Kissel Pond Lincoln
  176. Greater Sage-Grouse Centrocercus urophasianus
    # Count: 54
    Date:
    Observer: Andrew Spencer
    Location: Coalmont Lek Jackson
  177. Sage Thrasher Oreoscoptes montanus
    # Count: 1
    Date:
    Observer: Andrew Spencer
    Location: Coalmont Lek Jackson
  178. Brewer's Sparrow Spizella breweri
    # Count: 1
    Date:
    Observer: Andrew Spencer
    Location: Coalmont Lek Jackson
  179. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: Dave Sage
    Location: Cherry Creek SP--Cottonwood Creek Wetlands Arapahoe
  180. American Three-toed Woodpecker Picoides dorsalis
    # Count: 4
    Date:
    Observer: Josh Bruening
    Location: Arapaho Larimer
  181. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Grandview Cemetery Larimer
  182. Canada Jay Perisoreus canadensis
    # Count: 2
    Date:
    Observer: Josh Bruening
    Location: Arapaho Larimer
  183. Bushtit Psaltriparus minimus
    # Count: 4
    Date:
    Observer: Cree Bol
    Location: Grandview Cemetery Larimer
  184. Ruby-crowned Kinglet Corthylio calendula
    # Count: 7
    Date:
    Observer: Josh Bruening
    Location: Arapaho Larimer
  185. Pine Grosbeak Pinicola enucleator
    # Count: 4
    Date:
    Observer: Josh Bruening
    Location: Arapaho Larimer
  186. Common Poorwill Phalaenoptilus nuttallii
    # Count: 2
    Date:
    Observer: Eric DeFonso 🦑
    Location: South Republican SWA--Wagon Wheel Campground area Yuma
  187. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Eric DeFonso 🦑
    Location: South Republican SWA--Wagon Wheel Campground area Yuma
  188. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 1
    Date:
    Observer: Eric DeFonso 🦑
    Location: South Republican SWA--Wagon Wheel Campground area Yuma
  189. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Eric DeFonso 🦑
    Location: South Republican SWA--Wagon Wheel Campground area Yuma
  190. Cackling Goose Branta hutchinsii
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  191. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  192. Blue-winged Teal Spatula discors
    # Count: 4
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  193. Green-winged Teal Anas crecca
    # Count: 4
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  194. Rock Pigeon Columba livia
    # Count: 5
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  195. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  196. Black-chinned Hummingbird Archilochus alexandri
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  197. American Avocet Recurvirostra americana
    # Count: 2
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  198. Wilson's Phalarope Phalaropus tricolor
    # Count: 20
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  199. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  200. American White Pelican Pelecanus erythrorhynchos
    # Count: 10
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  201. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  202. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  203. Northern Harrier Circus hudsonius
    # Count: 2
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  204. Sharp-shinned Hawk Accipiter striatus
    # Count: 2
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  205. Swainson's Hawk Buteo swainsoni
    # Count: 2
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  206. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  207. Loggerhead Shrike Lanius ludovicianus
    # Count: 2
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  208. Blue Jay Cyanocitta cristata
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  209. Woodhouse's Scrub-Jay Aphelocoma woodhouseii
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  210. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  211. Horned Lark Eremophila alpestris
    # Count: 25
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  212. Bank Swallow Riparia riparia
    # Count: 10
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  213. Rock Wren Salpinctes obsoletus
    # Count: 4
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  214. Townsend's Solitaire Myadestes townsendi
    # Count: 2
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  215. Chipping Sparrow Spizella passerina
    # Count: 30
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  216. Lark Sparrow Chondestes grammacus
    # Count: 2
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  217. Lark Bunting Calamospiza melanocorys
    # Count: 18
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  218. Vesper Sparrow Pooecetes gramineus
    # Count: 2
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  219. Virginia Rail Rallus limicola
    # Count: 4
    Date:
    Observer: Beth Sage
    Location: Cherry Creek SP Arapahoe
  220. Mountain Chickadee Poecile gambeli
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 3 to 6 Larimer
  221. Green-tailed Towhee Pipilo chlorurus
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 3 to 6 Larimer
  222. Brown-headed Cowbird Molothrus ater
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 3 to 6 Larimer
  223. Eastern Screech-Owl Megascops asio
    # Count: 2
    Date:
    Observer: David Dowell
    Location: South Republican SWA--Wagon Wheel Campground area Yuma
  224. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: David Dowell
    Location: South Republican SWA--Wagon Wheel Campground area Yuma
  225. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 0 to 3 Larimer
  226. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 0 to 3 Larimer
  227. American Kestrel Falco sparverius
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 0 to 3 Larimer
  228. Pygmy Nuthatch Sitta pygmaea
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 0 to 3 Larimer
  229. House Sparrow Passer domesticus
    # Count: 3
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 0 to 3 Larimer
  230. House Finch Haemorhous mexicanus
    # Count: 5
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 0 to 3 Larimer
  231. Pine Siskin Spinus pinus
    # Count: 5
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 0 to 3 Larimer
  232. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Rist Canyon Rd--miles 0 to 3 Larimer
  233. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Seneca Tantum
    Location: Backside Of Fatirons Golf Course- Bike Path Boulder
  234. Ring-necked Duck Aythya collaris
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  235. White-throated Swift Aeronautes saxatalis
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  236. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  237. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  238. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  239. Northern Flicker Colaptes auratus
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  240. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  241. Black Phoebe Sayornis nigricans
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  242. Black-capped Chickadee Poecile atricapillus
    # Count: 3
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  243. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 3
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  244. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  245. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  246. Canyon Wren Catherpes mexicanus
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  247. House Wren Troglodytes aedon
    # Count: 3
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  248. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  249. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  250. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  251. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  252. Yellow-rumped Warbler Setophaga coronata
    # Count: 6
    Date:
    Observer: Cree Bol
    Location: Watson Lake Larimer
  253. Franklin's Gull Leucophaeus pipixcan
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Horsetooth Reservoir Larimer
  254. Ring-billed Gull Larus delawarensis
    # Count: 25
    Date:
    Observer: Cree Bol
    Location: Horsetooth Reservoir Larimer
  255. Turkey Vulture Cathartes aura
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Horsetooth Reservoir Larimer
  256. Black-billed Magpie Pica hudsonia
    # Count: 3
    Date:
    Observer: Cree Bol
    Location: Horsetooth Reservoir Larimer
  257. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Horsetooth Reservoir Larimer
  258. Spotted Towhee Pipilo maculatus
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Horsetooth Reservoir Larimer
  259. Great Horned Owl Bubo virginianus
    # Count: 3
    Date:
    Observer: Eric DeFonso 🦑
    Location: South Republican SWA--Wagon Wheel Campground area Yuma
  260. Cassin's Finch Haemorhous cassinii
    # Count: 1
    Date:
    Observer: Mike Thompson
    Location: San Juan National Forest, Cahone US-CO 37.76585, -108.65552 Dolores
  261. Black-necked Stilt Himantopus mexicanus
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Duck Lake (Larimer Co.) Larimer
  262. Northern Shoveler Spatula clypeata
    # Count: 5
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  263. Gadwall Mareca strepera
    # Count: 100
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  264. American Wigeon Mareca americana
    # Count: 7
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  265. Mallard Anas platyrhynchos
    # Count: 12
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  266. Lesser Scaup Aythya affinis
    # Count: 7
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  267. Bufflehead Bucephala albeola
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  268. Ruddy Duck Oxyura jamaicensis
    # Count: 15
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  269. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  270. Eared Grebe Podiceps nigricollis
    # Count: 9
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  271. Western Grebe Aechmophorus occidentalis
    # Count: 8
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  272. Clark's Grebe Aechmophorus clarkii
    # Count: 7
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  273. Mourning Dove Zenaida macroura
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  274. American Coot Fulica americana
    # Count: 25
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  275. California Gull Larus californicus
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  276. Double-crested Cormorant Nannopterum auritum
    # Count: 6
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  277. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  278. Western Kingbird Tyrannus verticalis
    # Count: 3
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  279. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  280. Tree Swallow Tachycineta bicolor
    # Count: 50
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  281. Violet-green Swallow Tachycineta thalassina
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  282. Barn Swallow Hirundo rustica
    # Count: 40
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  283. European Starling Sturnus vulgaris
    # Count: 4
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  284. American Goldfinch Spinus tristis
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  285. Western Meadowlark Sturnella neglecta
    # Count: 3
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  286. Red-winged Blackbird Agelaius phoeniceus
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  287. Common Grackle Quiscalus quiscula
    # Count: 6
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  288. Yellow Warbler Setophaga petechia
    # Count: 2
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  289. Flammulated Owl Psiloscops flammeolus
    # Count: 2
    Date:
    Observer: Mike Thompson
    Location: San Juan National Forest, Cahone US-CO 37.75570, -108.65678 Dolores
  290. Northern Saw-whet Owl Aegolius acadicus
    # Count: 1
    Date:
    Observer: Mike Thompson
    Location: San Juan National Forest, Cahone US-CO 37.75570, -108.65678 Dolores
  291. American Robin Turdus migratorius
    # Count: 1
    Date:
    Observer: Mike Thompson
    Location: San Juan National Forest, Cahone US-CO 37.75570, -108.65678 Dolores
  292. Common Merganser Mergus merganser
    # Count: 1
    Date:
    Observer: Cree Bol
    Location: Poudre River at I-25 Larimer
  293. Wild Turkey Meleagris gallopavo
    # Count: 4
    Date:
    Observer: Cree Bol
    Location: I-25 S, Fort Collins US-CO 40.55410, -105.00028 Larimer
  294. Steller's Jay Cyanocitta stelleri
    # Count: 1
    Date:
    Observer: EJ Merc
    Location: Chautauqua Park Boulder
  295. Lazuli Bunting Passerina amoena
    # Count: 2
    Date:
    Observer: EJ Merc
    Location: Chautauqua Park Boulder
  296. Barn Owl Tyto alba
    # Count: 2
    Date:
    Observer: Edward Raynor
    Location: 2698 Bluestem Willow Dr, Loveland US-CO 40.42024, -105.01239 Larimer
  297. Canada Goose Branta canadensis
    # Count: 2
    Date:
    Observer: Edward Raynor
    Location: Nelson Reservoir Larimer
  298. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Edward Raynor
    Location: Nelson Reservoir Larimer
  299. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Edward Raynor
    Location: Nelson Reservoir Larimer
  300. Long-eared Owl Asio otus
    # Count: 1
  301. Black Rail Laterallus jamaicensis
    # Count: 1

Exotic: Provisional (1)

  1. Ring-necked Pheasant Phasianus colchicus
    # Count: 3
    Date:
    Observer: Beth Sage
    Location: Cherry Creek SP Arapahoe

Exotic: Escapee (2)

  1. Mute Swan Cygnus olor
    # Count: 2
    Date:
    Observer: Deanna Krausse
    Location: 4699 W F St, Greeley US-CO 40.44110, -104.75387 Weld
  2. Graylag Goose Anser anser
    # Count: 1
    Date:
    Observer: Mark Obmascik
    Location: Denver City Park Denver

Hybrids (8)

  1. Glossy x White-faced Ibis (hybrid) Plegadis falcinellus x chihi
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Patent Creek Playa, Yuma CR 58 Yuma
  2. Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyanea
    # Count: 1
    Date:
    Observer: Cody Ensanian
    Location: Sondermann Park El Paso
  3. Graylag x Swan Goose (hybrid) Anser anser x cygnoides
    # Count: 2
    Date:
    Observer: Gabriella Blanchard
    Location: 2001 Steele Street, Denver, Colorado, US (39.748, -104.953) Denver
  4. Graylag x Canada Goose (hybrid) Anser anser x Branta canadensis
    # Count: 1
    Date:
    Observer: Brittany Backer
    Location: Belmar Park, Lakewood US-CO 39.70495, -105.08914 Jefferson
  5. Black x Eastern Phoebe (hybrid) Sayornis nigricans x phoebe
    # Count: 1
    Date:
    Observer: Mitchell Bailey
    Location: South Platte Park--C470 area Arapahoe
  6. Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkii
    # Count: 1
    Date:
    Observer: Oliver Komar
    Location: Walden Reservoir Jackson
  7. Spotted x Eastern Towhee (hybrid) Pipilo maculatus x erythrophthalmus
    # Count: 1
    Date:
    Observer: David Trevino
    Location: 34101–34123 County Road W7, Snyder US-CO 40.37705, -103.50087 Morgan
  8. Bullock's x Baltimore Oriole (hybrid) Icterus bullockii x galbula
    # Count: 2
    Date:
    Observer: Charles Hundertmark
    Location: Prewitt Reservoir SWA (Washington Co) Washington

Additional Taxa (75)

  1. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 3
    Date:
    Observer: Bethany Ferguson
    Location: Belmar Park Jefferson
  2. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: Peter Stoltz
    Location: First Creek at Green Valley Ranch Denver
  3. Gray/Dusky Flycatcher Empidonax wrightii/oberholseri
    # Count: 1
    Date:
    Observer: Misty Walters
    Location: Arapaho National Forest, Frisco US-CO (39.5957,-106.0915) Summit
  4. Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus
    # Count: 2
    Date:
    Observer: mark wagner
    Location: Running Deer & Cottonwood Hollow Natural Areas Larimer
  5. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Sweitzer Lake SP Delta
  6. Streptopelia sp. Streptopelia sp.
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Waneka Lake/Greenlee Preserve--Greenlee Only Boulder
  7. nuthatch sp. Sitta sp.
    # Count: 2
    Date:
    Observer: Rhonda & Leonard Horwitz-Romano
    Location: 466 Coyote Cir, Black Hawk US-CO 39.83264, -105.48690 Gilpin
  8. Haemorhous sp. Haemorhous sp.
    # Count: 1
    Date:
    Observer: Leah Waldner
    Location: 4307–4345 45 Rd, De Beque US-CO 39.36385, -108.24971 Mesa
  9. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Mike Henwood
    Location: Divide Road--Telephone Trail to Uranium Road #404 Mesa
  10. sapsucker sp. Sphyrapicus sp.
    # Count: 1
    Date:
    Observer: Don Marsh
    Location: Top of the Pines Ouray
  11. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 1
    Date:
    Observer: Bea Weaver
    Location: McClain Gravel Pit Douglas
  12. phalarope sp. Phalaropus sp.
    # Count: 30
    Date:
    Observer: David de Rivera Tønnessen
    Location: Arapaho NWR--Auto Loop Jackson
  13. yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)
    # Count: 2
    Date:
    Observer: Tricia Lewis
    Location: Cherry Creek Trail--Bayou Gulch Rd to Stroh Rd Douglas
  14. Larus sp. Larus sp.
    # Count: 2
    Date:
    Observer: Alan Versaw
    Location: Lake Pueblo SP--Valco Ponds Pueblo
  15. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 2
    Date:
    Observer: Kim Weber
    Location: Memorial Park & Prospect Lake El Paso
  16. Passerina sp. Passerina sp.
    # Count: 2
    Date:
    Observer: Matt Gray
    Location: Colorado NM--Devil's Kitchen Trail Mesa
  17. Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalus
    # Count: 1
    Date:
    Observer: Michael Craine
    Location: Mesa Trail, Boulder, Colorado, US (39.946, -105.276) Boulder
  18. Sedge/Marsh Wren Cistothorus stellaris/palustris
    # Count: 2
    Date:
    Observer: Dani Flores
    Location: Fossil Creek Reservoir Natural Area--West Blind Larimer
  19. wren sp. Troglodytidae sp.
    # Count: 2
    Date:
    Observer: Kristin Mobley
    Location: Chatfield SP--Campground Douglas
  20. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: David Dowell
    Location: South Republican SWA--Foster Grove Yuma
  21. Spizella sp. Spizella sp.
    # Count: 5
    Date:
    Observer: David Dowell
    Location: South Republican SWA--Foster Grove Yuma
  22. owl sp. Strigiformes sp.
    # Count: 2
    Date:
    Observer: Sandra Jacobs
    Location: 7226 Pine Bluff Dr. E Pueblo
  23. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Eric DeFonso 🦑
    Location: South Republican SWA--Hale Ponds Yuma
  24. Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalus
    # Count: 1
    Date:
    Observer: Katy Garon
    Location: Washington Park Denver
  25. finch sp. Fringillidae sp.
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: BVHS Nature Area Trail & Marquard Nature Area Chaffee
  26. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: X
    Date:
    Observer: Jeff Lukas
    Location: Waneka Lake/Greenlee Preserve Boulder
  27. tanager sp. (Piranga sp.) Piranga sp.
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: Lamar Community College, Lamar US-CO 38.07042, -102.61590 Prowers
  28. heron sp. Ardeidae sp.
    # Count: 1
    Date:
    Observer: Forrest Luke
    Location: CR-184, Craig US-CO 40.49573, -107.53585 Moffat
  29. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Teller Lake Boulder
  30. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 15
    Date:
    Observer: Ted Floyd
    Location: Teller Lake Boulder
  31. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Teller Lake Boulder
  32. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Micah Helton
    Location: Pastorius Reservoir La Plata
  33. Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandri
    # Count: 2
    Date:
    Observer: Al Kaltenback
    Location: dawsonrd Douglas
  34. crow/raven sp. Corvus sp.
    # Count: 1
    Date:
    Observer: Thomas Heinrich
    Location: 3rd & Forest Boulder
  35. teal sp. Anatidae sp. (teal sp.)
    # Count: 1
    Date:
    Observer: Brett Walker
    Location: Horsethief Canyon SWA Mesa
  36. peep sp. Calidris sp. (peep sp.)
    # Count: 1
    Date:
    Observer: Linda Andes-Georges
    Location: Little Gaynor Lake Boulder
  37. Cassin's/Western Kingbird Tyrannus vociferans/verticalis
    # Count: 1
    Date:
    Observer: bob culbertson
    Location: lowell ponds state wildlife area Adams
  38. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 2
    Date:
    Observer: Greg Ruterbories
    Location: Bluff Lake Nature Center Denver
  39. Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Karen Mooney
    Location: First Creek at Green Valley Ranch Denver
  40. Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianum
    # Count: 2
    Date:
    Observer: ColleenA Nunn
    Location: Barr Lake SP--Bird Conservancy of the Rockies office area & below dam Adams
  41. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Charles Price
    Location: 11200 60M Road, Telluride, Colorado, US (37.944, -107.929) San Miguel
  42. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 3
    Date:
    Observer: Doug Slansky
    Location: Barr Lake SP--Neidrach Nature Trail & Visitor Center area Adams
  43. goose sp. Anatidae (goose sp.)
    # Count: 15
    Date:
    Observer: Corryn DePlonty
    Location: Big Dry Creek Park, Westminster US-CO 39.92772, -105.00952 Adams
  44. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 4
    Date:
    Observer: Susan Allerton
    Location: Pastorius Reservoir La Plata
  45. Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
    # Count: 1
    Date:
    Observer: Karen Smith
    Location: Wheat Ridge Greenbelt Jefferson
  46. Lincoln's/Swamp Sparrow Melospiza lincolnii/georgiana
    # Count: 1
    Date:
    Observer: Karen Smith
    Location: Wheat Ridge Greenbelt Jefferson
  47. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Mary Keithler
    Location: Chatfield SP (Douglas Co) Douglas
  48. new world warbler sp. Parulidae sp.
    # Count: 1
    Date:
    Observer: Burke Angstman
    Location: Oxbow Trail Weld
  49. large falcon sp. Falco sp. (large falcon sp.)
    # Count: 1
    Date:
    Observer: Tyler Stuart
    Location: Fountain Creek Regional Park--Willow Spring Rd. area El Paso
  50. Catharus sp. Catharus sp.
    # Count: 2
    Date:
    Observer: Thaddeus Wells
    Location: Barr Lake SP Adams
  51. thrush sp. Turdidae sp.
    # Count: 2
    Date:
    Observer: Denver Field Ornithologists
    Location: Barr Lake SP Adams
  52. blackbird sp. Icteridae sp.
    # Count: 4
    Date:
    Observer: Denice Hill
    Location: Belleview Park Arapahoe
  53. Black-capped/Mountain Chickadee Poecile atricapillus/gambeli
    # Count: 5
    Date:
    Observer: Ryan Strickhouser
    Location: Fountain Creek Regional Park El Paso
  54. rosy-finch sp. Leucosticte sp.
    # Count: 60
    Date:
    Observer: Bryan Gieszl
    Location: Home Pitkin
  55. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 4
    Date:
    Observer: JoAnn Hackos
    Location: Pawnee NG--Weld CR 45 from CR 114 to 122 Weld
  56. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    # Count: 30
    Date:
    Observer: David Frydendall
    Location: Arapaho Larimer
  57. pigeon/dove sp. Columbidae sp.
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Lac Amora Open Space Broomfield
  58. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: John Shenot
    Location: Dixon Reservoir Larimer
  59. grackle sp. Quiscalus sp.
    # Count: 30
    Date:
    Observer: Jane Stulp
    Location: Farm Yard Prowers
  60. raven sp. Corvus sp. (raven sp.)
    # Count: 1
    Date:
    Observer: Jeremy Webster
    Location: Picture Canyon Baca
  61. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Will Gallagher
    Location: 1291 County Road 11, Erie, Colorado, US (40.018, -104.961) Weld
  62. Bullock's/Baltimore Oriole Icterus bullockii/galbula
    # Count: 1
    Date:
    Observer: Dorothy Russell
    Location: 14 South 13th Street, Lamar, Colorado, US (38.078, -102.631) Prowers
  63. Setophaga sp. Setophaga sp.
    # Count: 1
    Date:
    Observer: jim wood
    Location: 13967–13975 SH-347, Montrose US-CO 38.48929, -107.74071 Montrose
  64. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 4
    Date:
    Observer: Eric Spink
    Location: Sands Lake SWA Chaffee
  65. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Eric Spink
    Location: Sands Lake SWA Chaffee
  66. Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseri
    # Count: X
    Date:
    Observer: Chris Gilbert
    Location: Crowley County, CO Crowley
  67. towhee sp. Melozone/Pipilo sp.
    # Count: 1
    Date:
    Observer: Josie Kopchak
    Location: Home El Paso
  68. swallow sp. Hirundinidae sp.
    # Count: 40
    Date:
    Observer: Santi Tabares
    Location: Red Rocks Park Jefferson
  69. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Tanja Britton
    Location: Home El Paso
  70. duck sp. Anatidae (duck sp.)
    # Count: 12
    Date:
    Observer: Cole Sage
    Location: Cherry Creek SP--Prairie Loop Arapahoe
  71. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Trevor Thomas
    Location: 1136 Laporte Ave, Fort Collins US-CO 40.58919, -105.09727 Larimer
  72. new world sparrow sp. Passerellidae sp.
    # Count: 3
    Date:
    Observer: Cole Sage
    Location: Cherry Creek SP Arapahoe
  73. gull sp. Larinae sp.
    # Count: 20
    Date:
    Observer: Cree Bol
    Location: Horsetooth Reservoir Larimer
  74. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 4
    Date:
    Observer: Cree Bol
    Location: Fossil Creek Reservoir & Regional Open Space Larimer
  75. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Jacob Job NFC Station
    Location: Tanglewood Natural Area Larimer