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Bird List

Updated ~2 days ago
391 All Years 236 This Year 2024 110 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (391)

  1. Hudsonian Godwit Limosa haemastica
    # Count: X
    Date:
    Observer: Winston William Brockner
    Location: Chatfield SP (Douglas Co)
  2. Peregrine Falcon Falco peregrinus
    # Count: X
    Date:
    Observer: Robert Carlson
    Location: 3943 Colorado 83, Parker, Colorado, US (39.425, -104.761)
  3. Long-billed Thrasher Toxostoma longirostre
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Chatfield SP (Douglas Co)
  4. Spotted Towhee Pipilo maculatus
    # Count: X
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  5. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Curtis Higgins
    Location: Platte Canyon Reservoir
  6. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: Dustin Kohler
    Location: Chatfield SP--below the dam
  7. Brant Branta bernicla
    # Count: 1
    Date:
    Observer: Jessica Miller
    Location: Chatfield SP--Gazebo Heronry Overlook Area
  8. Trumpeter Swan Cygnus buccinator
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Handicapped Fisherman Platform
  9. Gadwall Mareca strepera
    # Count: 1
    Date:
    Observer: bo nelson
    Location: Chatfield SP--Gazebo Heronry Overlook Area
  10. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Karen Goetz
    Location: Walker Road Gravel Pond
  11. Mallard Anas platyrhynchos
    # Count: 1
    Date:
    Observer: Aviv Lang
    Location: 80118, Larkspur US-CO 39.22565, -104.94184
  12. Ring-necked Duck Aythya collaris
    # Count: 1
    Date:
    Observer: Mike F
    Location: Chatfield SP--Original Heronry Overlook
  13. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: kathryn sheely
    Location: Bingham Lake Park
  14. Lesser Scaup Aythya affinis
    # Count: 1
    Date:
    Observer: Rory Van Lieu
    Location: Chatfield SP--Original Heronry Overlook
  15. Surf Scoter Melanitta perspicillata
    # Count: 1
    Date:
    Observer: Tim Ryan
    Location: Rueter-Hess Reservoir (restricted access)
  16. Black Scoter Melanitta americana
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Platte Canyon Reservoir
  17. Long-tailed Duck Clangula hyemalis
    # Count: 1
    Date:
    Observer: Katherine Holland
    Location: Platte Canyon Reservoir
  18. Bufflehead Bucephala albeola
    # Count: 1
    Date:
    Observer: Warren Brinker
    Location: Bar CCC Park
  19. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: Andrew Winkler
    Location: 401 Backcountry Ln, Highlands Ranch US-CO 39.52371, -104.98451
  20. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: High Line Canal Trail, Littleton US-CO 39.48768, -105.08539
  21. Common Merganser Mergus merganser
    # Count: 1
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  22. Dusky Grouse Dendragapus obscurus
    # Count: 1
    Date:
    Observer: Wayne Pallas
    Location: Home
  23. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Betsy Checchia
    Location: McCabe Meadows
  24. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Handicapped Fisherman Platform
  25. Clark's Grebe Aechmophorus clarkii
    # Count: 1
    Date:
    Observer: Leslie Dixon
    Location: Chatfield SP--Gazebo Heronry Overlook Area
  26. Rock Pigeon Columba livia
    # Count: 1
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  27. Common Ground Dove Columbina passerina
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Deckers
  28. White-winged Dove Zenaida asiatica
    # Count: 1
    Date:
    Observer: Bea Weaver
    Location: 7423 Eagle Rock Dr, Littleton US-CO 39.46927, -105.07656
  29. Mourning Dove Zenaida macroura
    # Count: 1
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  30. Greater Roadrunner Geococcyx californianus
    # Count: 1
    Date:
    Observer: Janet Peters
    Location: PRIVATE
  31. Lesser Nighthawk Chordeiles acutipennis
    # Count: 1
    Date:
    Observer: Hugh Kingery
    Location: McClain Gravel Pit
  32. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: G Stacks
    Location: Daniels Park
  33. Chimney Swift Chaetura pelagica
    # Count: 1
    Date:
    Observer: Jonathan Schneider
    Location: Castlewood Canyon SP--West Side Area
  34. White-throated Swift Aeronautes saxatalis
    # Count: 1
    Date:
    Observer: Dale Campau
    Location: Roxborough SP
  35. Rivoli's Hummingbird Eugenes fulgens
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Roxburough Park Subdiv.--6859 Beaver Run
  36. Black-chinned Hummingbird Archilochus alexandri
    # Count: 1
    Date:
    Observer: Katherine Holland
    Location: Chatfield SP--Plum Creek Nature Area
  37. Anna's Hummingbird Calypte anna
    # Count: 1
    Date:
    Observer: Ric Olson
    Location: Surrey Ridge Estates
  38. Calliope Hummingbird Selasphorus calliope
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: GWalbek's Yard
  39. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Terry Tedford
    Location: 1517 Pinyon Dr Castle Rock CO 80104
  40. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: LeAnn Joswick
    Location: Dad Clark Trail, Highlands Ranch US-CO 39.55711, -104.96934
  41. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: michael kiessig
    Location: Platte Canyon Reservoir
  42. American Coot Fulica americana
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Gazebo Heronry Overlook Area
  43. Sandhill Crane Antigone canadensis
    # Count: 1
    Date:
    Observer: Dale Pate
    Location: Chatfield SP--Plum Creek Delta
  44. Black-necked Stilt Himantopus mexicanus
    # Count: 1
    Date:
    Observer: Nicole Voss
    Location: Chatfield SP--Plum Creek Delta
  45. American Golden-Plover Pluvialis dominica
    # Count: 1
    Date:
    Observer: Frank Farrell
    Location: Chatfield SP--Marina Sandspit
  46. Piping Plover Charadrius melodus
    # Count: 1
    Date:
    Observer: Alan Ketcham
    Location: Chatfield SP--Plum Creek Delta
  47. Snowy Plover Anarhynchus nivosus
    # Count: 1
    Date:
    Observer: Chipper Phillips
    Location: Chatfield SP--Marina Sandspit
  48. Upland Sandpiper Bartramia longicauda
    # Count: 1
    Date:
    Observer: Hugh Kingery
    Location: Chatfield SP (Douglas Co)
  49. Whimbrel Numenius phaeopus
    # Count: 1
    Date:
    Observer: Ginny Bergstrom
    Location: Chatfield SP--Marina Sandspit
  50. Long-billed Curlew Numenius americanus
    # Count: 1
    Date:
    Observer: Will Phillips
    Location: Chatfield SP--Marina Sandspit
  51. Marbled Godwit Limosa fedoa
    # Count: 1
    Date:
    Observer: Paul Malinowski
    Location: Chatfield State Park-Plum Creek Delta
  52. Short-billed Dowitcher Limnodromus griseus
    # Count: 1
    Date:
    Observer: Kevin Williams
    Location: Chatfield SP--Plum Creek Delta
  53. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 1
    Date:
    Observer: Conor Tompkins
    Location: Chatfield SP--Plum Creek Delta
  54. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Matt Skinner
    Location: Chatfield SP--Plum Creek Delta
  55. Red Phalarope Phalaropus fulicarius
    # Count: 1
    Date:
    Observer: Frank Farrell
    Location: Chatfield SP--Original Heronry Overlook
  56. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: Robert Tonge
    Location: Chatfield SP--Plum Creek Delta
  57. Lesser Yellowlegs Tringa flavipes
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP--Plum Creek Delta
  58. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP--Plum Creek Delta
  59. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Curtis Higgins
    Location: Chatfield SP--Plum Creek Delta
  60. Ruddy Turnstone Arenaria interpres
    # Count: 1
    Date:
    Observer: Tim Ryan
    Location: Rueter-Hess Reservoir (restricted access)
  61. Stilt Sandpiper Calidris himantopus
    # Count: 1
    Date:
    Observer: Ken Stuckey
    Location: Chatfield SP--Marina Sandspit
  62. Buff-breasted Sandpiper Calidris subruficollis
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Chatfield SP--Marina
  63. Sanderling Calidris alba
    # Count: 1
    Date:
    Observer: Torrance Wells
    Location: Chatfield SP--Marina Sandspit
  64. Dunlin Calidris alpina
    # Count: 1
    Date:
    Observer: Denise Van Peursem
    Location: Chatfield SP--Marina Sandspit
  65. Baird's Sandpiper Calidris bairdii
    # Count: 1
    Date:
    Observer: Matt Clark
    Location: Chatfield SP (Douglas Co)
  66. White-rumped Sandpiper Calidris fuscicollis
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Gazebo Heronry Overlook Area
  67. Western Sandpiper Calidris mauri
    # Count: 1
    Date:
    Observer: Robert Tonge
    Location: Chatfield SP--Plum Creek Delta
  68. Semipalmated Sandpiper Calidris pusilla
    # Count: 1
    Date:
    Observer: Matt Clark
    Location: Chatfield SP (Douglas Co)
  69. Long-tailed Jaeger Stercorarius longicaudus
    # Count: 1
    Date:
    Observer: Scott Somershoe
    Location: Chatfield State Park, Littleton US-CO 39.54558, -105.06552
  70. Parasitic Jaeger Stercorarius parasiticus
    # Count: 1
    Date:
    Observer: Claire H
    Location: Chatfield SP--Marina Sandspit
  71. Pomarine Jaeger Stercorarius pomarinus
    # Count: 1
    Date:
    Observer: Art Hudak
    Location: Chatfield SP--Handicapped Fisherman Platform
  72. Long-billed Murrelet Brachyramphus perdix
    # Count: 1
    Date:
    Observer: Steve Stachowiak
    Location: Chatfield SP (Douglas Co)
  73. Ancient Murrelet Synthliboramphus antiquus
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Handicapped Fisherman Platform
  74. Little Gull Hydrocoloeus minutus
    # Count: 1
    Date:
    Observer: Charlie Chase
    Location: Chatfield SP--Handicapped Fisherman Platform
  75. Black-legged Kittiwake Rissa tridactyla
    # Count: 1
    Date:
    Observer: Kevin Williams
    Location: Chatfield SP--Marina Sandspit
  76. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: Norm Lewis
    Location: Chatfield SP- Old Heronry Overlook
  77. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Gazebo Heronry Overlook Area
  78. Black-headed Gull Chroicocephalus ridibundus
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Chatfield SP--Marina
  79. Laughing Gull Leucophaeus atricilla
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Chatfield SP (Douglas Co)
  80. Short-billed Gull Larus brachyrhynchus
    # Count: 1
    Date:
    Observer: Tom Wilberding
    Location: Chatfield SP--Marina Sandspit
  81. Western Gull Larus occidentalis
    # Count: 1
    Date:
    Observer: Loch Kilpatrick
    Location: Chatfield SP (Douglas Co)
  82. Great Black-backed Gull Larus marinus
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Marina Sandspit
  83. Glaucous Gull Larus hyperboreus
    # Count: 1
    Date:
    Observer: Robert Raker
    Location: Platte Canyon Reservoir
  84. California Gull Larus californicus
    # Count: 1
    Date:
    Observer: Kris Saucke
    Location: Chatfield SP--Marina Sandspit
  85. Glaucous-winged Gull Larus glaucescens
    # Count: 1
    Date:
    Observer: Loch Kilpatrick
    Location: Chatfield SP (Douglas Co)
  86. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: Raymond Sperger
    Location: Chatfield SP--Marina Sandspit
  87. Least Tern Sternula antillarum
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Chatfield SP (Douglas Co)
  88. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Chatfield SP--Plum Creek Delta
  89. Forster's Tern Sterna forsteri
    # Count: 1
    Date:
    Observer: Leslie Dixon
    Location: Chatfield SP--Downstream from Kingfisher Bridge (E)
  90. Arctic Tern Sterna paradisaea
    # Count: 1
    Date:
    Observer: Elaine Wagner
    Location: Chatfield SP--Plum Creek Delta
  91. Common Tern Sterna hirundo
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Marina Sandspit
  92. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: colin 🐦
    Location: Chatfield SP--Handicapped Fisherman Platform
  93. Arctic Loon Gavia arctica
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--reservoir
  94. Pacific Loon Gavia pacifica
    # Count: 1
    Date:
    Observer: colin 🐦
    Location: Chatfield SP--Handicapped Fisherman Platform
  95. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Lauren Keller
    Location: Chatfield SP (Douglas Co)
  96. Yellow-billed Loon Gavia adamsii
    # Count: 1
    Date:
    Observer: Tim Ryan
    Location: Rueter-Hess Reservoir (restricted access)
  97. Neotropic Cormorant Nannopterum brasilianum
    # Count: 1
    Date:
    Observer: sage church
    Location: Platte Canyon Reservoir
  98. Brown Pelican Pelecanus occidentalis
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP--Marina Sandspit
  99. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP--Gazebo Heronry Overlook Area
  100. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Lynn Sauer
    Location: Historic Cheese Ranch Park, Highlands Ranch US-CO (39.5468,-104.9213)
  101. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: Dale Pate
    Location: Chatfield SP--Plum Creek Delta
  102. Tricolored Heron Egretta tricolor
    # Count: 1
    Date:
    Observer: Roger Linfield
    Location: Chatfield SP--Plum Creek Delta
  103. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  104. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Kevin Schutz
    Location: Platte Canyon Reservoir
  105. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Thomas Halverstadt
    Location: Chatfield SP--Plum Creek Nature Area
  106. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Eileen B
    Location: I-25 N, Castle Rock US-CO 39.29842, -104.89050
  107. Glossy Ibis Plegadis falcinellus
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Chatfield SP (Douglas Co)
  108. Black Vulture Coragyps atratus
    # Count: 1
    Date:
    Observer: Emily Davenport
    Location: 6090 N US HWY 85
  109. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Katherine Holland
    Location: Chatfield SP--Plum Creek Nature Area
  110. Mississippi Kite Ictinia mississippiensis
    # Count: 1
    Date:
    Observer: Tim Ryan
    Location: E Mainstreet, Parker US-CO 39.51800, -104.82038
  111. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Gayle Larson
    Location: Roxborough Little Creek Trail
  112. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Curtis Higgins
    Location: Roxborough Village - JWay
  113. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Frank Farrell
    Location: Dupont Open Space
  114. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Karen S. Metz
    Location: Home Franktown Deerfield
  115. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Nathan Van Velson
    Location: Chatfield SP (Douglas Co)
  116. Common Black Hawk Buteogallus anthracinus
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Chatfield SP--Marina
  117. Harris's Hawk Parabuteo unicinctus
    # Count: 1
    Date:
    Observer: Steve Stachowiak
    Location: Chatfield SP--Upstream of Kingfisher Bridge (East)
  118. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Hugh Kingery
    Location: 80116 - WLD
  119. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Roxborough SP
  120. Swainson's Hawk Buteo swainsoni
    # Count: 1
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  121. Zone-tailed Hawk Buteo albonotatus
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP (Douglas Co)
  122. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Eileen B
    Location: I-25 N, Castle Rock US-CO 39.29842, -104.89050
  123. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Linda Hodges
    Location: Hwy 86 E of Castlewood Canyon
  124. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: Peter Nelson
    Location: Chatfield SP--Plum Creek Delta
  125. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Glen Burmeister
    Location: Philip S. Miller Park
  126. Flammulated Owl Psiloscops flammeolus
    # Count: 1
    Date:
    Observer: Emily Davenport
    Location: Rocky Mountain Wildlife Alliance
  127. Western Screech-Owl Megascops kennicottii
    # Count: 1
    Date:
    Observer: Hugh Kingery
    Location: 80116 - WLD
  128. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Dupont Open Space
  129. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Robb Hinds
    Location: Dupont Open Space
  130. Northern Pygmy-Owl Glaucidium gnoma
    # Count: 1
    Date:
    Observer: Felice Lyons
    Location: Castlewood Canyon SP
  131. Burrowing Owl Athene cunicularia
    # Count: 1
    Date:
    Observer: Tom Wilberding
    Location: S entrance prairie dog field
  132. Long-eared Owl Asio otus
    # Count: 1
  133. Short-eared Owl Asio flammeus
    # Count: 1
    Date:
    Observer: Peter Nelson
    Location: Chatfield State Park Road, fields west of the road
  134. Boreal Owl Aegolius funereus
    # Count: 1
    Date:
    Observer: Katherine Holland
    Location: Dupont Open Space
  135. Northern Saw-whet Owl Aegolius acadicus
    # Count: 1
    Date:
    Observer: Hugh Kingery
    Location: 80116 - WLD
  136. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Hannah Criswell
    Location: 9001–9085 I-25 S, Larkspur US-CO 39.19719, -104.85418
  137. Williamson's Sapsucker Sphyrapicus thyroideus
    # Count: 1
    Date:
    Observer: Diane Roberts
    Location: Rampart Range Rd at Hwy 67
  138. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 1
    Date:
    Observer: Harriet Stratton
    Location: 4553 Sentinel Rock
  139. Red-naped Sapsucker Sphyrapicus nuchalis
    # Count: 1
    Date:
    Observer: Diane Roberts
    Location: Rampart Range Rd at Hwy 67
  140. Lewis's Woodpecker Melanerpes lewis
    # Count: 1
    Date:
    Observer: Thomas Halverstadt
    Location: Dupont Open Space
  141. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Dupont Open Space
  142. American Three-toed Woodpecker Picoides dorsalis
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Douglas - Rampart Range Road 1.0 (from CR 67)
  143. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Katherine Holland
    Location: Chatfield SP--Plum Creek Nature Area
  144. Ladder-backed Woodpecker Dryobates scalaris
    # Count: 1
    Date:
    Observer: diana beatty
    Location: Castlewood Canyon State Park
  145. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Thomas Halverstadt
    Location: Dupont Open Space
  146. Crested Caracara Caracara plancus
    # Count: 1
    Date:
    Observer: Peggy Wait
    Location: 10918 N Sunshine Drive
  147. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Frank Farrell
    Location: Dupont Open Space
  148. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP (Douglas Co)
  149. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Nathan Van Velson
    Location: Chatfield SP (Douglas Co)
  150. Eastern Wood-Pewee Contopus virens
    # Count: 1
    Date:
    Observer: Steve Stachowiak
    Location: Chatfield SP (Douglas Co)
  151. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Chris Gilbert
    Location: Walker Road Gravel Pond
  152. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Thomas Halverstadt
    Location: Dupont Open Space
  153. Gray Flycatcher Empidonax wrightii
    # Count: 1
    Date:
    Observer: Curtis Higgins
    Location: Chatfield SP--Gazebo Heronry Overlook Area
  154. Dusky Flycatcher Empidonax oberholseri
    # Count: 1
    Date:
    Observer: Diane Roberts
    Location: Historic Cheese Ranch Park, Highlands Ranch US-CO (39.5504,-104.9204)
  155. Black Phoebe Sayornis nigricans
    # Count: 1
    Date:
    Observer: Katherine Holland
    Location: Platte Canyon Reservoir
  156. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Nicholas St Peter
    Location: Platte Canyon Reservoir
  157. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Gregg Goodrich
    Location: Home
  158. Vermilion Flycatcher Pyrocephalus rubinus
    # Count: 1
    Date:
    Observer: Mike Rome
    Location: Chatfield SP--Marina Sandspit
  159. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Plum Creek Delta
  160. Cassin's Kingbird Tyrannus vociferans
    # Count: 1
    Date:
    Observer: John hale
    Location: Roxborough SP
  161. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: Gregg Goodrich
    Location: Home
  162. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Frank Farrell
    Location: Dupont Open Space
  163. Scissor-tailed Flycatcher Tyrannus forficatus
    # Count: 1
    Date:
    Observer: Loch Kilpatrick
    Location: Roxborough Park, 11432-11448 Roxborough Drive
  164. White-eyed Vireo Vireo griseus
    # Count: 1
    Date:
    Observer: Thomas Forre
    Location: Chatfield SP--Upstream of Kingfisher Bridge (East)
  165. Bell's Vireo Vireo bellii
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP (Douglas Co)
  166. Yellow-throated Vireo Vireo flavifrons
    # Count: 1
    Date:
    Observer: Mary Burger
    Location: Chatfield SP (Douglas Co)
  167. Cassin's Vireo Vireo cassinii
    # Count: 1
    Date:
    Observer: Krista Hinman
    Location: McMurdo Gulch Trail (from Missoula Trail to Castle Oaks)
  168. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: GWalbek's Yard
  169. Plumbeous Vireo Vireo plumbeus
    # Count: 1
    Date:
    Observer: Randall Siebert
    Location: Castlewood Canyon SP
  170. Philadelphia Vireo Vireo philadelphicus
    # Count: 1
    Date:
    Observer: Steve Stachowiak
    Location: Chatfield SP (Douglas Co)
  171. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  172. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Phil Jones
    Location: Chatfield SP--Plum Creek Nature Area
  173. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Louviers (town)
  174. Blue Jay Cyanocitta cristata
    # Count: 1
    Date:
    Observer: Jill Holden
    Location: jillshouse
  175. Black-billed Magpie Pica hudsonia
    # Count: 1
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  176. Chihuahuan Raven Corvus cryptoleucus
    # Count: 1
    Date:
    Observer: Steve Stachowiak
    Location: Douglas Co
  177. Black-capped Chickadee Poecile atricapillus
    # Count: 1
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  178. Mountain Chickadee Poecile gambeli
    # Count: 1
    Date:
    Observer: Karen S. Metz
    Location: Home Franktown Deerfield
  179. Purple Martin Progne subis
    # Count: 1
    Date:
    Observer: Tim Ryan
    Location: US-CO-Parker RH WTP(Restricted Access)
  180. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Rampart Range Rd at Hwy 67
  181. Pygmy Nuthatch Sitta pygmaea
    # Count: 1
    Date:
    Observer: Sharon Sjostrom
    Location: Dawson Butte Ranch Trail, Sedalia US-CO 39.29345, -104.93555
  182. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Gregg Goodrich
    Location: Dupont Open Space
  183. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Karen S. Metz
    Location: Home Franktown Deerfield
  184. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Jack Staib
    Location: Roxborough SP
  185. Rock Wren Salpinctes obsoletus
    # Count: 1
    Date:
    Observer: Randall Siebert
    Location: Castlewood Canyon SP
  186. Pacific Wren Troglodytes pacificus
    # Count: 1
    Date:
    Observer: Steve Stachowiak
    Location: Roxborough SP
  187. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: Chuck Aid
    Location: Pine Cliff Ranch
  188. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: Thomas Halverstadt
    Location: Dupont Open Space
  189. Carolina Wren Thryothorus ludovicianus
    # Count: 1
    Date:
    Observer: Weston Petty
    Location: Roxborough Greenspace
  190. Bewick's Wren Thryomanes bewickii
    # Count: 1
    Date:
    Observer: Kirk Huffstater
    Location: CO - Home, Castle Rock
  191. American Dipper Cinclus mexicanus
    # Count: 1
    Date:
    Observer: Andrew Winkler
    Location: 401 Backcountry Ln, Highlands Ranch US-CO 39.52371, -104.98451
  192. Curve-billed Thrasher Toxostoma curvirostre
    # Count: 1
    Date:
    Observer: Laura Roberts
    Location: Larkspur
  193. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Ken Stuckey
    Location: Roxborough SP
  194. Sage Thrasher Oreoscoptes montanus
    # Count: 1
    Date:
    Observer: Frank Farrell
    Location: Chatfield SP--Model Airplane Field
  195. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Courtney Sadler
    Location: Schweiger Ranch
  196. Eastern Bluebird Sialia sialis
    # Count: 1
    Date:
    Observer: Hugh Kingery
    Location: 80116 - WLD
  197. Townsend's Solitaire Myadestes townsendi
    # Count: 1
    Date:
    Observer: Steve Hebert
    Location: Castlewood Canyon SP--West Side Area
  198. Varied Thrush Ixoreus naevius
    # Count: 1
    Date:
    Observer: Nathan Crow
    Location: 18951 East Clear Creek Drive, Parker, Colorado, US (39.488, -104.769)
  199. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Steve Stachowiak
    Location: Platte Canyon Reservoir
  200. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Ric Olson
    Location: Dupont Open Space
  201. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Isaac Boardman
    Location: Chatfield SP--Plum Creek Nature Area
  202. Wood Thrush Hylocichla mustelina
    # Count: 1
    Date:
    Observer: Michael Lester
    Location: Chatfield State Park, Littleton US-CO (39.4991,-105.0844)
  203. Cedar Waxwing Bombycilla cedrorum
    # Count: 1
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  204. House Sparrow Passer domesticus
    # Count: 1
    Date:
    Observer: Jill Holden
    Location: jillshouse
  205. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Matt Skinner
    Location: Chatfield SP--Plum Creek Delta
  206. Sprague's Pipit Anthus spragueii
    # Count: 1
    Date:
    Observer: Cole Sage
    Location: Sharptail Ridge Open Space
  207. Gray-crowned Rosy-Finch Leucosticte tephrocotis
    # Count: 1
    Date:
    Observer: Jill Holden
    Location: jillshouse
  208. Black Rosy-Finch Leucosticte atrata
    # Count: 1
    Date:
    Observer: Sue Riffe
    Location: 6800–6918 Meadowbrook Ln, Sedalia US-CO (39.3860,-105.0153)
  209. Purple Finch Haemorhous purpureus
    # Count: 1
    Date:
    Observer: Chris Wood
    Location: High Line Canal Trail--Platte Canyon Res to W Titan Rd
  210. Common Redpoll Acanthis flammea
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: GWalbek's Yard
  211. Red Crossbill Loxia curvirostra
    # Count: 1
    Date:
    Observer: Sharon Sjostrom
    Location: Dawson Butte Ranch Trail, Sedalia US-CO 39.29345, -104.93555
  212. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: Sharon Sjostrom
    Location: Dawson Butte Ranch Trail, Sedalia US-CO 39.29345, -104.93555
  213. American Goldfinch Spinus tristis
    # Count: 1
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  214. Lapland Longspur Calcarius lapponicus
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP--Model Airplane Field
  215. Thick-billed Longspur Rhynchophanes mccownii
    # Count: 1
    Date:
    Observer: Jayson D
    Location: Chatfield Dam Trail Roundabout
  216. Snow Bunting Plectrophenax nivalis
    # Count: 1
    Date:
    Observer:
    Location: US-CO-Littleton-Chatfield State Park - 39.5321x-105.0652
  217. Cassin's Sparrow Peucaea cassinii
    # Count: 1
    Date:
    Observer: Chris Wood
    Location: Sharptail Ridge Open Space
  218. Clay-colored Sparrow Spizella pallida
    # Count: 1
    Date:
    Observer: Katherine Holland
    Location: Platte Canyon Reservoir
  219. Field Sparrow Spizella pusilla
    # Count: 1
    Date:
    Observer: Jayson D
    Location: Chatfield SP--SE Entrance area
  220. Brewer's Sparrow Spizella breweri
    # Count: 1
    Date:
    Observer: Chris Gilbert
    Location: Walker Road Gravel Pond
  221. Black-throated Sparrow Amphispiza bilineata
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Chatfield SP (Douglas Co)
  222. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: G Stacks
    Location: Daniels Park
  223. Lark Bunting Calamospiza melanocorys
    # Count: 1
    Date:
    Observer: Ryan Stander
    Location: Castlewood Canyon SP--Inner Canyon/Lake Gulch Loop
  224. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Curtis Higgins
    Location: Roxborough Village - JWay
  225. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 1
    Date:
    Observer: Jill Holden
    Location: jillshouse
  226. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 1
    Date:
    Observer: Chris Wood
    Location: Highline Canal (39.5113,-105.0684)
  227. Harris's Sparrow Zonotrichia querula
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP (Douglas Co)
  228. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Sperry Megerian
    Location: Platte Canyon Reservoir
  229. Sagebrush Sparrow Artemisiospiza nevadensis
    # Count: 1
    Date:
    Observer: Cole Sage
    Location: Chatfield SP--below the dam
  230. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: Peggy Gonder
    Location: Castlewood Canyon SP
  231. Baird's Sparrow Centronyx bairdii
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Sharptail Ridge Open Space
  232. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  233. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP--Dead Horse Pond and surrounding trails
  234. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Tim Ryan
    Location: Rueter-Hess Reservoir (restricted access)
  235. Canyon Towhee Melozone fusca
    # Count: 1
    Date:
    Observer: Kirk Diedrichs
    Location: Roxborough SP
  236. Green-tailed Towhee Pipilo chlorurus
    # Count: 1
    Date:
    Observer: michael kiessig
    Location: CR - Wauhatchie/Coyote Trail
  237. Eastern Towhee Pipilo erythrophthalmus
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: GWalbek's Yard
  238. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  239. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 1
    Date:
    Observer: Chris Gilbert
    Location: Chatfield SP--Plum Creek Nature Area
  240. Bobolink Dolichonyx oryzivorus
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Castlewood Canyon Rd--Lake Gulch Rd to Castlewood Canyon SP
  241. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Karen S. Metz
    Location: Cherry Creek Trail--Hwy 86 to Walker Road Gravel Pond
  242. Hooded Oriole Icterus cucullatus
    # Count: 1
    Date:
    Observer: Norm Lewis
    Location: Roxborough Park (residential)
  243. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  244. Baltimore Oriole Icterus galbula
    # Count: 1
    Date:
    Observer: Siri Gosselin
    Location: 13521 Delphi Drive, Lone Tree, Colorado, US (39.558, -104.892)
  245. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  246. Rusty Blackbird Euphagus carolinus
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Plum Creek Nature Area
  247. Great-tailed Grackle Quiscalus mexicanus
    # Count: 1
    Date:
    Observer: Lynn Sauer
    Location: Historic Cheese Ranch Park, Highlands Ranch US-CO (39.5468,-104.9213)
  248. Ovenbird Seiurus aurocapilla
    # Count: 1
    Date:
    Observer: Laura Roberts
    Location: Perry Park
  249. Worm-eating Warbler Helmitheros vermivorum
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP (Douglas Co)
  250. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP--Dead Horse Pond and surrounding trails
  251. Golden-winged Warbler Vermivora chrysoptera
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Chatfield SP--Marina
  252. Blue-winged Warbler Vermivora cyanoptera
    # Count: 1
    Date:
    Observer: James Garrett
    Location: 10907 Waterton Road, Littleton, Colorado, US (39.493, -105.087)
  253. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Roxborough Park
  254. Prothonotary Warbler Protonotaria citrea
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Chatfield SP--Marina
  255. Tennessee Warbler Leiothlypis peregrina
    # Count: 1
    Date:
    Observer: Debra Pirrello
    Location: Bingham Lake Park
  256. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: William Vanderpoel
    Location: Platte Canyon Reservoir
  257. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Louviers (town)
  258. Virginia's Warbler Leiothlypis virginiae
    # Count: 1
    Date:
    Observer: John Swedell
    Location: East Plum Creek Trail
  259. Connecticut Warbler Oporornis agilis
    # Count: 1
    Date:
    Observer: Tom Williams
    Location: Backyard
  260. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Dale Campau
    Location: Roxborough SP
  261. Mourning Warbler Geothlypis philadelphia
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Plum Creek Delta
  262. Kentucky Warbler Geothlypis formosa
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Chatfield SP--Marina
  263. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  264. Hooded Warbler Setophaga citrina
    # Count: 1
    Date:
    Observer: Christina Leslie
    Location: Roxborough State Park,Iron Bark Dr.
  265. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Wes Donnell
    Location: Dupont Open Space
  266. Cape May Warbler Setophaga tigrina
    # Count: 1
    Date:
    Observer: LeAnn Joswick
    Location: 1265 Sgt Jon Stiles Dr, Highlands Ranch US-CO 39.54983, -105.00412
  267. Northern Parula Setophaga americana
    # Count: 1
    Date:
    Observer: Gordon Fitch
    Location: Chatfield SP--Downstream from Kingfisher Bridge (E)
  268. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Thomas Holub
    Location: Chatfield SP--Plum Creek Delta
  269. Bay-breasted Warbler Setophaga castanea
    # Count: 1
    Date:
    Observer: Burke Angstman
    Location: Chatfield SP--Plum Creek Delta
  270. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Steve Stachowiak
    Location: Chatfield SP (Douglas Co)
  271. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Upstream of Kingfisher Bridge (East)
  272. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Chatfield SP - eastside trail upstream of river overlook
  273. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Original Heronry Overlook
  274. Pine Warbler Setophaga pinus
    # Count: 1
    Date:
    Observer: Renee Casias
    Location: Chatfield SP--below the dam
  275. Yellow-rumped Warbler Setophaga coronata
    # Count: 1
    Date:
    Observer: Sharon Sjostrom
    Location: Dawson Butte Ranch Trail, Sedalia US-CO 39.29345, -104.93555
  276. Yellow-throated Warbler Setophaga dominica
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Chatfield SP--Marina
  277. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: Thomas Halverstadt
    Location: Castlewood Canyon SP
  278. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Platte Canyon Reservoir
  279. Townsend's Warbler Setophaga townsendi
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Platte Canyon Reservoir
  280. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: Hugh Kingery
    Location: Chatfield SP (Douglas Co)
  281. Canada Warbler Cardellina canadensis
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Chatfield SP--Marina
  282. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Platte Canyon Reservoir
  283. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: GWalbek's Yard
  284. Scarlet Tanager Piranga olivacea
    # Count: 1
    Date:
    Observer: Robert Raker
    Location: 80125, Littleton US-CO (39.4343,-105.0817)
  285. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Randall Siebert
    Location: Castlewood Canyon SP
  286. Northern Cardinal Cardinalis cardinalis
    # Count: 1
    Date:
    Observer: Laura Beller
    Location: 21715 Mt. Elbert Pl.
  287. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Thomas Halverstadt
    Location: Dupont Open Space
  288. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Tessy Fletcher
    Location: Gateway Mesa Open Space
  289. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Cherry Creek Trail--Hwy 86 to Walker Road Gravel Pond
  290. Lazuli Bunting Passerina amoena
    # Count: 1
    Date:
    Observer: Katherine Holland
    Location: Chatfield SP--Plum Creek Nature Area
  291. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Robb Hinds
    Location: Dupont Open Space
  292. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: Cynthia Madsen
    Location: Castlewood Canyon Rd--Lake Gulch Rd to Castlewood Canyon SP
  293. Blue-winged Teal Spatula discors
    # Count: 2
    Date:
    Observer: Isaac Boardman
    Location: Chatfield SP--Plum Creek Nature Area
  294. Cinnamon Teal Spatula cyanoptera
    # Count: 2
    Date:
    Observer: Isaac Boardman
    Location: Chatfield SP--Plum Creek Nature Area
  295. Northern Pintail Anas acuta
    # Count: 2
    Date:
    Observer: Joey Kellner
    Location: Plum Creek Nature Area Road (dirt), Littleton, Colorado, US (39.535, -105.052)
  296. Green-winged Teal Anas crecca
    # Count: 2
    Date:
    Observer: Isaac Boardman
    Location: Chatfield SP--Plum Creek Nature Area
  297. Redhead Aythya americana
    # Count: 2
    Date:
    Observer: Nicholas St Peter
    Location: Platte Canyon Reservoir
  298. White-winged Scoter Melanitta deglandi
    # Count: 2
    Date:
    Observer: Curtis Higgins
    Location: Platte Canyon Reservoir
  299. Barrow's Goldeneye Bucephala islandica
    # Count: 2
    Date:
    Observer: Nick Monsees
    Location: High Line Canal Trail, Littleton US-CO 39.48731, -105.08937
  300. Red-breasted Merganser Mergus serrator
    # Count: 2
    Date:
    Observer: Robb Hinds
    Location: Chatfield SP--Plum Creek Delta
  301. Ruddy Duck Oxyura jamaicensis
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: High Line Canal Trail, Littleton US-CO 39.48768, -105.08539
  302. Wild Turkey Meleagris gallopavo
    # Count: 2
    Date:
    Observer: Sharon Sjostrom
    Location: Dawson Butte Ranch Trail, Sedalia US-CO 39.29345, -104.93555
  303. Horned Grebe Podiceps auritus
    # Count: 2
    Date:
    Observer: Myron Gerhard
    Location: Platte Canyon Reservoir
  304. Band-tailed Pigeon Patagioenas fasciata
    # Count: 2
    Date:
    Observer: Cheryl Stavana
    Location: Crystal Valley Recreation Center
  305. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 2
    Date:
    Observer: Ric Olson
    Location: Dupont Open Space
  306. American Avocet Recurvirostra americana
    # Count: 2
    Date:
    Observer: Isaac Boardman
    Location: Chatfield SP--Plum Creek Nature Area
  307. Black-bellied Plover Pluvialis squatarola
    # Count: 2
    Date:
    Observer: Frank Farrell
    Location: Chatfield SP--Marina Sandspit
  308. Wilson's Phalarope Phalaropus tricolor
    # Count: 2
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP--Plum Creek Delta
  309. Herring Gull Larus argentatus
    # Count: 2
    Date:
    Observer: Dustin Kohler
    Location: Chatfield SP--below the dam
  310. Lesser Black-backed Gull Larus fuscus
    # Count: 2
    Date:
    Observer: Myron Gerhard
    Location: Platte Canyon Reservoir
  311. Golden Eagle Aquila chrysaetos
    # Count: 2
    Date:
    Observer: michael kiessig
    Location: CR - Wauhatchie/Coyote Trail
  312. Olive-sided Flycatcher Contopus cooperi
    # Count: 2
    Date:
    Observer: Diane Roberts
    Location: Rampart Range Rd at Hwy 67
  313. Western Wood-Pewee Contopus sordidulus
    # Count: 2
    Date:
    Observer: Randall Siebert
    Location: Castlewood Canyon SP
  314. Hammond's Flycatcher Empidonax hammondii
    # Count: 2
    Date:
    Observer: Myron Gerhard
    Location: Rampart Range Rd at Hwy 67
  315. Western Flycatcher Empidonax difficilis
    # Count: 2
    Date:
    Observer: Randall Siebert
    Location: Castlewood Canyon SP
  316. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 2
    Date:
    Observer: Dave Prentice
    Location: Chatfield SP--Upstream of Kingfisher Bridge (East)
  317. Red-eyed Vireo Vireo olivaceus
    # Count: 2
    Date:
    Observer: Curt Frankenfeld
    Location: Dupont Open Space
  318. Canada Jay Perisoreus canadensis
    # Count: 2
    Date:
    Observer: David de Rivera Tønnessen
    Location: Experimental Forest Rd (39.157, -105.03)
  319. Pinyon Jay Gymnorhinus cyanocephalus
    # Count: 2
    Date:
    Observer: Robert Raker
    Location: Chatfield SP--Original Heronry Overlook
  320. Woodhouse's Scrub-Jay Aphelocoma woodhouseii
    # Count: 2
    Date:
    Observer: Glenn Walbek
    Location: GWalbek's Yard
  321. Clark's Nutcracker Nucifraga columbiana
    # Count: 2
    Date:
    Observer: David Richardson
    Location: Castlewood Canyon SP
  322. Common Raven Corvus corax
    # Count: 2
    Date:
    Observer: Randall Siebert
    Location: Castlewood Canyon SP
  323. Barn Swallow Hirundo rustica
    # Count: 2
    Date:
    Observer: THOMAS HARRINGTON
    Location: Crystal Lake Park
  324. Ruby-crowned Kinglet Corthylio calendula
    # Count: 2
    Date:
    Observer: David Suddjian
    Location: Louviers (town)
  325. White-breasted Nuthatch Sitta carolinensis
    # Count: 2
    Date:
    Observer: Jack Staib
    Location: Roxborough SP
  326. Canyon Wren Catherpes mexicanus
    # Count: 2
    Date:
    Observer: Randall Siebert
    Location: Castlewood Canyon SP
  327. European Starling Sturnus vulgaris
    # Count: 2
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  328. Gray Catbird Dumetella carolinensis
    # Count: 2
    Date:
    Observer: Frank Farrell
    Location: Dupont Open Space
  329. Mountain Bluebird Sialia currucoides
    # Count: 2
    Date:
    Observer: Tessy Fletcher
    Location: Gateway Mesa Open Space
  330. Evening Grosbeak Coccothraustes vespertinus
    # Count: 2
    Date:
    Observer: Harriet Stratton
    Location: 4553 Sentinel Rock, Larkspur US-CO (39.2573,-104.9711)
  331. Pine Grosbeak Pinicola enucleator
    # Count: 2
    Date:
    Observer: Gregg Goodrich
    Location: Rampart Range Rd at Hwy 67
  332. Lesser Goldfinch Spinus psaltria
    # Count: 2
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  333. Chestnut-collared Longspur Calcarius ornatus
    # Count: 2
    Date:
    Observer: todd peterson
    Location: E Greenland Rd
  334. Chipping Sparrow Spizella passerina
    # Count: 2
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  335. Dark-eyed Junco Junco hyemalis
    # Count: 2
    Date:
    Observer: Sharon Sjostrom
    Location: Dawson Butte Ranch Trail, Sedalia US-CO 39.29345, -104.93555
  336. Western Meadowlark Sturnella neglecta
    # Count: 2
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  337. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 2
    Date:
    Observer: Jill Holden
    Location: jillshouse
  338. Yellow Warbler Setophaga petechia
    # Count: 2
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  339. Blackpoll Warbler Setophaga striata
    # Count: 2
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Plum Creek Delta
  340. American Wigeon Mareca americana
    # Count: 3
    Date:
    Observer: Jordan Gerue
    Location: Chatfield SP--Plum Creek Delta
  341. Sharp-tailed Grouse Tympanuchus phasianellus
    # Count: 3
    Date:
    Observer: Glenn Walbek
    Location: Louviers
  342. Black Swift Cypseloides niger
    # Count: 3
    Date:
    Observer: Loch Kilpatrick
    Location: 12564 South Beaver Creek Way, Parker, Colorado, US (39.488, -104.761)
  343. Semipalmated Plover Charadrius semipalmatus
    # Count: 3
    Date:
    Observer: Matt Clark
    Location: Chatfield SP (Douglas Co)
  344. Spotted Sandpiper Actitis macularius
    # Count: 3
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  345. Pectoral Sandpiper Calidris melanotos
    # Count: 3
    Date:
    Observer: Doug Ward
    Location: Chatfield SP--Marina Sandspit
  346. Black Tern Chlidonias niger
    # Count: 3
    Date:
    Observer: Robert Tonge
    Location: Chatfield SP--Plum Creek Nature Area
  347. American White Pelican Pelecanus erythrorhynchos
    # Count: 3
    Date:
    Observer: Aviv Lang
    Location: 80118, Larkspur US-CO 39.22565, -104.94184
  348. Northern Flicker Colaptes auratus
    # Count: 3
    Date:
    Observer: Katherine Holland
    Location: Chatfield SP--Plum Creek Nature Area
  349. Steller's Jay Cyanocitta stelleri
    # Count: 3
    Date:
    Observer: Karen S. Metz
    Location: Home Franktown Deerfield
  350. American Crow Corvus brachyrhynchos
    # Count: 3
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  351. Horned Lark Eremophila alpestris
    # Count: 3
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  352. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 3
    Date:
    Observer: Curt Frankenfeld
    Location: Dupont Open Space
  353. American Robin Turdus migratorius
    # Count: 3
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  354. House Finch Haemorhous mexicanus
    # Count: 3
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  355. Cassin's Finch Haemorhous cassinii
    # Count: 3
    Date:
    Observer: William Vanderpoel
    Location: Platte Canyon Reservoir
  356. Cackling Goose Branta hutchinsii
    # Count: 4
    Date:
    Observer: Lorraine Lanning
    Location: Platte Canyon Reservoir
  357. Northern Shoveler Spatula clypeata
    # Count: 4
    Date:
    Observer: Jonathan Schneider
    Location: Rueter-Hess Reservoir (restricted access)
  358. Canvasback Aythya valisineria
    # Count: 4
    Date:
    Observer: Dale Pate
    Location: Chatfield SP--Original Heronry Overlook
  359. Western Grebe Aechmophorus occidentalis
    # Count: 4
    Date:
    Observer: Robert Tonge
    Location: Chatfield SP--Plum Creek Nature Area
  360. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 4
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  361. Common Poorwill Phalaenoptilus nuttallii
    # Count: 4
    Date:
    Observer: G Stacks
    Location: Daniels Park
  362. Killdeer Charadrius vociferus
    # Count: 4
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  363. Least Sandpiper Calidris minutilla
    # Count: 4
    Date:
    Observer: Thomas Halverstadt
    Location: Chatfield SP--Plum Creek Nature Area
  364. Franklin's Gull Leucophaeus pipixcan
    # Count: 4
    Date:
    Observer: Matt Skinner
    Location: Chatfield SP--Plum Creek Delta
  365. Tree Swallow Tachycineta bicolor
    # Count: 4
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  366. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 4
    Date:
    Observer: Randall Siebert
    Location: Castlewood Canyon SP
  367. Western Bluebird Sialia mexicana
    # Count: 4
    Date:
    Observer: Glenn Walbek
    Location: GWalbek's Yard
  368. Grasshopper Sparrow Ammodramus savannarum
    # Count: 4
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  369. Vesper Sparrow Pooecetes gramineus
    # Count: 4
    Date:
    Observer: G Stacks
    Location: Daniels Park
  370. Common Grackle Quiscalus quiscula
    # Count: 4
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  371. Wood Duck Aix sponsa
    # Count: 5
    Date:
    Observer: Robb Hinds
    Location: Dupont Open Space
  372. Double-crested Cormorant Nannopterum auritum
    # Count: 5
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  373. Violet-green Swallow Tachycineta thalassina
    # Count: 5
    Date:
    Observer: Jack Staib
    Location: Roxborough SP
  374. Bushtit Psaltriparus minimus
    # Count: 5
    Date:
    Observer: Anonymous eBirder
    Location: Fly'n B Park
  375. House Wren Troglodytes aedon
    # Count: 5
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  376. American Tree Sparrow Spizelloides arborea
    # Count: 5
    Date:
    Observer: Jonathan Schneider
    Location: Bayou Gulch Open Space
  377. Red-winged Blackbird Agelaius phoeniceus
    # Count: 5
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  378. Tundra Swan Cygnus columbianus
    # Count: 6
    Date:
    Observer: Ken Stuckey
    Location: Chatfield SP--Original Heronry Overlook
  379. White-winged Crossbill Loxia leucoptera
    # Count: 6
    Date:
    Observer: Kathy Dressel
    Location: BB1
  380. Turkey Vulture Cathartes aura
    # Count: 7
    Date:
    Observer: Tessy Fletcher
    Location: Gateway Mesa Open Space
  381. Bank Swallow Riparia riparia
    # Count: 7
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  382. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: 8
    Date:
    Observer: Kathy Parker
    Location: Spring Gulch-E-W Trail
  383. Western Cattle Egret Bubulcus ibis
    # Count: 8
    Date:
    Observer: Dale Pate
    Location: Chatfield SP--Original Heronry Overlook
  384. Snow Goose Anser caerulescens
    # Count: 10
    Date:
    Observer: Greg Osland
    Location: E-470 & Jordan Road
  385. Ring-billed Gull Larus delawarensis
    # Count: 10
    Date:
    Observer: Tessy Fletcher
    Location: Cherry Creek Trail--Hwy 86 to Walker Road Gravel Pond
  386. Brown-capped Rosy-Finch Leucosticte australis
    # Count: 10
    Date:
    Observer: Sue Riffe
    Location: 6800–6918 Meadowbrook Ln, Sedalia US-CO (39.3860,-105.0153)
  387. Canada Goose Branta canadensis
    # Count: 20
    Date:
    Observer: Lane Theander
    Location: Chatfield SP--Plum Creek Delta
  388. White-faced Ibis Plegadis chihi
    # Count: 20
    Date:
    Observer: Lori Morton
    Location: Chatfield SP--Plum Creek Delta
  389. Bohemian Waxwing Bombycilla garrulus
    # Count: 20
    Date:
    Observer: Chris Gilbert
    Location: Castle Pines Trails
  390. Eared Grebe Podiceps nigricollis
    # Count: 23
    Date:
    Observer: Tim Ryan
    Location: Rueter-Hess Reservoir (Parker Water Dept. Not open to public yet
  391. Red-necked Phalarope Phalaropus lobatus
    # Count: 38
    Date:
    Observer: Tim Ryan
    Location: Rueter-Hess Reservoir (restricted access)

Exotic: Escapee (5)

  1. Northern Bobwhite Colinus virginianus
    # Count: 1
    Date:
    Observer: Paul Turelli
    Location: Cherry Creek Trail--Bayou Gulch Rd to Stroh Rd
  2. California Quail Callipepla californica
    # Count: 1
    Date:
    Observer: Doug Schoch
    Location: 20640 Bridlewood Ln, Parker US-CO (39.5005,-104.7507)
  3. Chukar Alectoris chukar
    # Count: 1
    Date:
    Observer: Tim Hibbs
    Location: 5994 Leilani Dr, Castle Rock US-CO 39.42194, -104.79867
  4. Northern Red Bishop Euplectes franciscanus
    # Count: 1
    Date:
    Observer: Jacqueline Dorsey
    Location: North Rampart Range Rd.
  5. Ring-necked Pheasant Phasianus colchicus
    # Count: 2
    Date:
    Observer: Rory Van Lieu
    Location: Chatfield SP--Original Heronry Overlook

Hybrids (14)

  1. Snow x Cackling Goose (hybrid) Anser caerulescens x Branta hutchinsii
    # Count: 1
    Date:
    Observer: Julia Johnson
    Location: Redstone Park
  2. Greater White-fronted x Cackling Goose (hybrid) Anser albifrons x Branta hutchinsii
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP--Marina Sandspit
  3. Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanoptera
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: US-CO-Castle Pines North-8183 Briar Ridge Dr - 39.4810x-104.8974
  4. Cinnamon Teal x Northern Shoveler (hybrid) Spatula cyanoptera x clypeata
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Walker Road Gravel Pond
  5. Eurasian x American Wigeon (hybrid) Mareca penelope x americana
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Chatfield SP--Marina
  6. Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchos
    # Count: 1
    Date:
    Observer: Bill Schmoker
    Location: Chatfield SP (Douglas Co)
  7. Mallard x Mexican Duck (hybrid) Anas platyrhynchos x diazi
    # Count: 1
    Date:
    Observer: C. Warneke
    Location: Chatfield SP--Plum Creek Delta
  8. Bufflehead x Common Goldeneye (hybrid) Bucephala albeola x clangula
    # Count: 1
    Date:
    Observer: Hugh Kingery
    Location: Walker Road Gravel Pond
  9. Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Hugh Kingery
    Location: Walker Road Gravel Pond
  10. Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkii
    # Count: 1
    Date:
    Observer: Chris Wood
    Location: Chatfield SP (Douglas Co)
  11. Black x Eastern Phoebe (hybrid) Sayornis nigricans x phoebe
    # Count: 1
    Date:
    Observer: Claire H
    Location: Chatfield SP--Marina Sandspit
  12. Hooded x Yellow Warbler (hybrid) Setophaga citrina x petechia
    # Count: 1
    Date:
    Observer: Aaron Shipe
    Location: Roxborough Skatepark
  13. Rose-breasted x Black-headed Grosbeak (hybrid) Pheucticus ludovicianus x melanocephalus
    # Count: 1
    Date:
    Observer: John C Breitsch
    Location: Roxborough SP
  14. Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyanea
    # Count: 1
    Date:
    Observer: Chris Wood
    Location: Roxborough SP

Additional Taxa (112)

  1. raven sp. Corvus sp. (raven sp.)
    # Count: X
    Date:
    Observer: Andrew Wertheimer
    Location: Castlewood Canyon SP--West Side Area
  2. Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
    # Count: X
    Date:
    Observer: Earl Beam
    Location: Castlewood Canyon SP
  3. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 1
    Date:
    Observer: Michelle WO
    Location: Chatfield SP--Model Airplane Field
  4. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 1
    Date:
    Observer: Eric Spink
    Location: Castlewood Canyon SP--West Side Area
  5. Eurasian/American Wigeon Mareca penelope/americana
    # Count: 1
    Date:
    Observer: Asher Gunn
    Location: Pike and San Isabel National Forests, Sedalia US-CO (39.2532,-105.2343)
  6. Mallard/Mexican Duck Anas platyrhynchos/diazi
    # Count: 1
    Date:
    Observer: Deb Carstensen
    Location: 80135, Sedalia US-CO 39.45648, -105.00581
  7. teal sp. Anatidae sp. (teal sp.)
    # Count: 1
    Date:
    Observer: Jared Dubiel
    Location: Chatfield SP--Plum Creek Delta
  8. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 1
    Date:
    Observer: Tim Ryan
    Location: Rueter-Hess Reservoir (restricted access)
  9. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: US-CO-Castle Rock-673-891 Castlewood Canyon Rd
  10. pigeon/dove sp. Columbidae sp.
    # Count: 1
    Date:
    Observer: William Vanderpoel
    Location: 13079 Whisper Canyon Rd, Castle Pines North US-CO (39.4788,-104.9139)
  11. nighthawk sp. Chordeiles sp.
    # Count: 1
    Date:
    Observer: Troy Becker
    Location: Nearby C470 and University
  12. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: Shirley Leow
    Location: 8571 S Rome Way, Aurora US-CO 39.56056, -104.73197
  13. Selasphorus sp. Selasphorus sp.
    # Count: 1
    Date:
    Observer: Tyler Imfeld
    Location: Daniels Park
  14. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Jill Holden
    Location: Roxborough Village Trails Village Cir W to Rampart Range
  15. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    # Count: 1
    Date:
    Observer: Mary O'Connor
    Location: Chatfield SP--Plum Creek Delta
  16. plover sp. Charadriidae sp.
    # Count: 1
    Date:
    Observer: Katherine Holland
    Location: Chatfield SP--Marina Sandspit
  17. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 1
    Date:
    Observer: Phil Waltz
    Location: Chatfield SP--Plum Creek Delta
  18. Red/Red-necked Phalarope Phalaropus fulicarius/lobatus
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield SP--Marina Sandspit
  19. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Kylie Brunette
    Location: Chatfield SP--Plum Creek Delta
  20. Western/Semipalmated Sandpiper Calidris mauri/pusilla
    # Count: 1
    Date:
    Observer: Matt Clark
    Location: Chatfield SP (Douglas Co)
  21. Calidris sp. Calidris sp.
    # Count: 1
    Date:
    Observer: Hugh Kingery
    Location: Walker Road Gravel Pond
  22. jaeger sp. Stercorarius sp. (jaeger sp.)
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Chatfield State Park, point west of Handicapped Access; Littleton, Colorado, US (39.546, -105.065)
  23. Herring/Iceland Gull Larus argentatus/glaucoides
    # Count: 1
    Date:
    Observer: Dale Pate
    Location: Chatfield SP--Marina Sandspit
  24. Common/Arctic Tern Sterna hirundo/paradisaea
    # Count: 1
    Date:
    Observer: David Ellis
    Location: Chatfield SP--Marina
  25. Sterna sp. Sterna sp.
    # Count: 1
    Date:
    Observer: Tim Ryan
    Location: Rueter-Hess Reservoir (restricted access)
  26. tern sp. Sterninae sp.
    # Count: 1
    Date:
    Observer: Kyle Robinson
    Location: Chatfield SP--Marina Sandspit
  27. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 1
    Date:
    Observer: Frank Farrell
    Location: Chatfield SP--Plum Creek Nature Area
  28. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Glen Burmeister
    Location: Philip S. Miller Park
  29. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Krista Hinman
    Location: 80135, Sedalia US-CO (39.4571,-105.0065)
  30. Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Curtis Higgins
    Location: Roxborough Village - JWay
  31. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Chris Goulart
    Location: US-CO-Castle Rock-2871-3569 Castlewood Canyon Rd
  32. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Emma Stewart
    Location: Dad Clark Trail
  33. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: Matthew Hall
    Location: Roxborough SP
  34. Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalis
    # Count: 1
    Date:
    Observer: Joyce Commercon
    Location: Castlewood Canyon SP--East Canyon Preservation Area (closed Nov thru May)
  35. sapsucker sp. Sphyrapicus sp.
    # Count: 1
    Date:
    Observer: Collin McElroy
    Location: Sedalia, Colorado, US (39.23, -105.047)
  36. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Janice Travis
    Location: Roxborough SP
  37. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: David Hopp
    Location: Hospital hike
  38. large falcon sp. Falco sp. (large falcon sp.)
    # Count: 1
    Date:
    Observer: Peg Roen
    Location: Metzler Family Open Space
  39. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Diane Roberts
    Location: Park Meadows, Lone Tree US-CO (39.5606,-104.8731)
  40. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Jill Holden
    Location: Roxborough SP
  41. Western/Eastern Wood-Pewee Contopus sordidulus/virens
    # Count: 1
    Date:
    Observer: Michael Schaffer
    Location: Bar CCC Park
  42. pewee sp. (Contopus sp.) Contopus sp.
    # Count: 1
    Date:
    Observer: Kathy Johnson
    Location: 12755 Forest Canyon Drive, Parker, Colorado, US (39.545, -104.717)
  43. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 1
    Date:
    Observer: Tim Ryan
    Location: PWSD NP Pond (Restricted Access)
  44. Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseri
    # Count: 1
    Date:
    Observer: Cynthia Kristensen
    Location: Rampart Range Rd at Hwy 67
  45. Gray/Dusky Flycatcher Empidonax wrightii/oberholseri
    # Count: 1
    Date:
    Observer: Earl Beam
    Location: Castlewood Canyon SP
  46. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Debby Miller
    Location: Dupont Open Space
  47. Cassin's/Blue-headed Vireo Vireo cassinii/solitarius
    # Count: 1
    Date:
    Observer: Doug Hlousek
    Location: Colorado - Highland Ranch
  48. Cassin's/Plumbeous Vireo Vireo cassinii/plumbeus
    # Count: 1
    Date:
    Observer: Ruanne Stamps
    Location: Rampart Range Riding Area, 4272 Pine Creek Road, Sedalia, Colorado, US (39.376, -105.096)
  49. solitary vireo sp. Vireo cassinii/solitarius/plumbeus
    # Count: 1
    Date:
    Observer: Leslie Dixon
    Location: Sand Creek Park
  50. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Reed Gorner
    Location: Chatfield SP (Douglas Co)
  51. Loggerhead/Northern Shrike Lanius ludovicianus/borealis
    # Count: 1
    Date:
    Observer: Dailee Fagnant
    Location: Snow Creek Lower Pastures
  52. jay sp. Corvidae sp. (jay sp.)
    # Count: 1
    Date:
    Observer: Lori Morton
    Location: Platte Canyon Reservoir
  53. Black-capped/Mountain Chickadee Poecile atricapillus/gambeli
    # Count: 1
    Date:
    Observer: Samantha Hougaard
    Location: 565 Gardner Street, Castle Rock, Colorado, US (39.365, -104.792)
  54. chickadee sp. Poecile sp.
    # Count: 1
    Date:
    Observer: Lori Morton
    Location: Red Fern and Indian Paint
  55. Pacific/Winter Wren Troglodytes pacificus/hiemalis
    # Count: 1
    Date:
    Observer: Kirk Huffstater
    Location: CO - Home, Castle Rock
  56. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: Sampson Ramsay
    Location: Roxborough SP
  57. Catharus sp. Catharus sp.
    # Count: 1
    Date:
    Observer: Alison Kondler
    Location: Roxborough SP
  58. Bohemian/Cedar Waxwing Bombycilla garrulus/cedrorum
    # Count: 1
    Date:
    Observer: Adair Prall
    Location: Wildcat Ridge Park
  59. Purple/Cassin's Finch Haemorhous purpureus/cassinii
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Roxborough, home
  60. longspur sp. Calcarius/Rhynchophanes sp.
    # Count: 1
    Date:
    Observer: Kevin DeBoer
    Location: Chatfield SP (Douglas Co)
  61. Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmus
    # Count: 1
    Date:
    Observer: Charles Thompson
    Location: Highlands Ranch, CO
  62. towhee sp. Melozone/Pipilo sp.
    # Count: 1
    Date:
    Observer: Reven Swanson
    Location: 1217 N State Hwy 67, Sedalia US-CO (39.3789,-105.1041)
  63. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer: john Henry
    Location: Roxborough state park
  64. Sturnella meadowlark sp. Sturnella sp.
    # Count: 1
    Date:
    Observer: Kathy Schwery
    Location: Chatfield SP--Marina Sandspit
  65. Bullock's/Baltimore Oriole Icterus bullockii/galbula
    # Count: 1
    Date:
    Observer: Wes Donnell
    Location: Dupont Open Space
  66. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Chris McReynolds
    Location: 10554 Perry Park Rd, Larkspur US-CO (39.2116,-104.9220)
  67. Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalus
    # Count: 1
    Date:
    Observer: Krista Hinman
    Location: McMurdo Gulch Trail (from Missoula Trail to Castle Oaks)
  68. grackle sp. Quiscalus sp.
    # Count: 1
    Date:
    Observer: Jennifer Keys
    Location: Chatfield SP--Plum Creek Nature Area
  69. Setophaga sp. Setophaga sp.
    # Count: 1
    Date:
    Observer: Christine Alexander
    Location: Chatfield SP--Upstream of Kingfisher Bridge (East)
  70. Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalus
    # Count: 1
    Date:
    Observer: Myron Gerhard
    Location: Chatfield SP--Dead Horse Pond and surrounding trails
  71. Pheucticus sp. Pheucticus sp.
    # Count: 1
    Date:
    Observer: Mary Beverly
    Location: High Desert Place, Parker CO
  72. Lazuli/Indigo Bunting Passerina amoena/cyanea
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Dupont Open Space
  73. Passerina sp. Passerina sp.
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Challenger Park-Soccer Field
  74. bird sp. Aves sp.
    # Count: 1
    Date:
    Observer: Josephine Tagestad
    Location: Colorado Renaissance Festival
  75. Trumpeter/Tundra Swan Cygnus buccinator/columbianus
    # Count: 2
    Date:
    Observer: Michael Britten
    Location: Chatfield SP--Plum Creek Nature Area
  76. Common/Barrow's Goldeneye Bucephala clangula/islandica
    # Count: 2
    Date:
    Observer: Jan Taylor
    Location: 17495 Nature Walk Trail, Parker US-CO 39.55076, -104.78608
  77. Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandri
    # Count: 2
    Date:
    Observer: Al Kaltenback
    Location: dawsonrd
  78. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    # Count: 2
    Date:
    Observer: Peter Nelson
    Location: Chatfield SP--Downstream from Kingfisher Bridge (E)
  79. falcon sp. Falco sp.
    # Count: 2
    Date:
    Observer: Bea Weaver
    Location: Roxborough State Park
  80. yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)
    # Count: 2
    Date:
    Observer: Tricia Lewis
    Location: Cherry Creek Trail--Bayou Gulch Rd to Stroh Rd
  81. new world flycatcher sp. Tyrannidae sp.
    # Count: 2
    Date:
    Observer: john Henry
    Location: Roxborough state park
  82. finch sp. Fringillidae sp.
    # Count: 2
    Date:
    Observer: Kylie Brunette
    Location: Cherry Creek Trail--Mainstreet to East-West Trail
  83. new world warbler sp. Parulidae sp.
    # Count: 2
    Date:
    Observer: john Henry
    Location: Roxborough state park
  84. tanager sp. (Piranga sp.) Piranga sp.
    # Count: 2
    Date:
    Observer: john Henry
    Location: Roxborough state park
  85. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 3
    Date:
    Observer: Chuck Aid
    Location: Chatfield SP--Plum Creek Nature Area
  86. duck sp. Anatidae (duck sp.)
    # Count: 3
    Date:
    Observer: Kathy Sessions
    Location: Chatfield SP--Plum Creek Delta
  87. bluebird sp. Sialia sp.
    # Count: 3
    Date:
    Observer: William Zwartjes cc
    Location: Castlewood Canyon SP
  88. Spizella sp. Spizella sp.
    # Count: 3
    Date:
    Observer: David Suddjian
    Location: Louviers (town)
  89. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 4
    Date:
    Observer: Max Miller
    Location: Platte Canyon Reservoir
  90. peep sp. Calidris sp. (peep sp.)
    # Count: 4
    Date:
    Observer: Tim Ryan
    Location: Rueter-Hess Reservoir (Parker Water Dept. Not open to public yet
  91. shorebird sp. Charadriiformes sp.
    # Count: 4
    Date:
    Observer: Peter DellaVecchia
    Location: Chatfield SP--Gazebo Heronry Overlook Area
  92. scoter sp. Melanitta sp.
    # Count: 5
    Date:
    Observer: Paul Turelli
    Location: Parker Regional Park (aka Salisbury Equestrian Park)
  93. crow/raven sp. Corvus sp.
    # Count: 5
    Date:
    Observer: Shannon Tchida
    Location: Aurora Rampart Reservoir
  94. blackbird sp. Icteridae sp.
    # Count: 5
    Date:
    Observer: Anonymous eBirder
    Location: Stepping Stone-Chambers Pond
  95. phalarope sp. Phalaropus sp.
    # Count: 6
    Date:
    Observer: Phil Waltz
    Location: Chatfield SP--Plum Creek Delta
  96. loon sp. Gavia sp.
    # Count: 6
    Date:
    Observer: Laura Hollenbaugh
    Location: Chatfield SP--Original Heronry Overlook
  97. new world goldfinch sp. Spinus sp. (goldfinch sp.)
    # Count: 6
    Date:
    Observer: Mary Beverly
    Location: Bradbury Pkway-Auburn Hills Park, Parker CO
  98. Snow/Ross's Goose Anser caerulescens/rossii
    # Count: 7
    Date:
    Observer: Joey Kellner
    Location: Chatfield Lakeview nr. Campground
  99. nuthatch sp. Sitta sp.
    # Count: 7
    Date:
    Observer: William Zwartjes cc
    Location: Castlewood Canyon SP
  100. Haemorhous sp. Haemorhous sp.
    # Count: 7
    Date:
    Observer: Karen S. Metz
    Location: Home Franktown Deerfield
  101. swallow sp. Hirundinidae sp.
    # Count: 8
    Date:
    Observer: Katherine Holland
    Location: Chatfield SP--Plum Creek Nature Area
  102. grebe sp. Podicipedidae sp.
    # Count: 10
    Date:
    Observer: Sandy McCray
    Location: Chatfield SP--Downstream from Kingfisher Bridge (E)
  103. passerine sp. Passeriformes sp.
    # Count: 11
    Date:
    Observer: Anonymous eBirder
    Location: Stepping Stone-Chambers Pond
  104. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: 15
    Date:
    Observer: Dan Frederick
    Location: Bar CCC Park
  105. Forster's/Common Tern Sterna forsteri/hirundo
    # Count: 15
    Date:
    Observer: Phil Lyon
    Location: Chatfield SP--Marina Sandspit
  106. goose sp. Anatidae (goose sp.)
    # Count: 20
    Date:
    Observer: G P
    Location: Chatfield SP--Original Heronry Overlook
  107. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 20
    Date:
    Observer: Matthew Fast
    Location: Parker Regional Park (aka Salisbury Equestrian Park)
  108. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    # Count: 20
    Date:
    Observer: Phil Waltz
    Location: Chatfield SP--Plum Creek Delta
  109. gull sp. Larinae sp.
    # Count: 27
    Date:
    Observer: Jill Holden
    Location: Chatfield SP--Original Heronry Overlook
  110. Larus sp. Larus sp.
    # Count: 30
    Date:
    Observer: Mary Beverly
    Location: High Desert Place, Parker CO
  111. Aythya sp. Aythya sp.
    # Count: 90
    Date:
    Observer: Christopher Fimbel
    Location: Parker Regional Park (aka Salisbury Equestrian Park)
  112. rosy-finch sp. Leucosticte sp.
    # Count: 100
    Date:
    Observer: Hugh Kingery
    Location: Douglas - BF CBC - Roads