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Boulder Creek--75th St.

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Bird List

Updated ~13 seconds ago
207 All Years 69 This Year 2024 33 This Month May 2024
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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (207)

  1. Franklin's Gull Leucophaeus pipixcan
    # Count: 68
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  2. Sandhill Crane Antigone canadensis
    # Count: 42
    Date:
    Observer: Ernest Crvich
    Location: Boulder Creek--75th St.
  3. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 30
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  4. Rock Pigeon Columba livia
    # Count: 18
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  5. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 18
    Date:
    Observer: Charles Hundertmark
    Location: Boulder Creek--75th St.
  6. White-faced Ibis Plegadis chihi
    # Count: 14
    Date:
    Observer: Karen Coupland
    Location: Boulder Creek--75th St.
  7. House Finch Haemorhous mexicanus
    # Count: 14
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  8. American White Pelican Pelecanus erythrorhynchos
    # Count: 13
    Date:
    Observer: Scott Brown
    Location: Boulder Creek--75th St.
  9. Common Redpoll Acanthis flammea
    # Count: 11
    Date:
    Observer: Todd Deininger
    Location: Boulder Creek--75th St.
  10. Double-crested Cormorant Nannopterum auritum
    # Count: 10
    Date:
    Observer: Scott Brown
    Location: Boulder Creek--75th St.
  11. Red-winged Blackbird Agelaius phoeniceus
    # Count: 10
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  12. European Starling Sturnus vulgaris
    # Count: 8
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  13. Violet-green Swallow Tachycineta thalassina
    # Count: 7
    Date:
    Observer: Pamela S
    Location: Boulder Creek--75th St.
  14. American Tree Sparrow Spizelloides arborea
    # Count: 7
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  15. Blue-winged Teal Spatula discors
    # Count: 6
    Date:
    Observer: Royce Walton
    Location: Boulder Creek--75th St.
  16. Gadwall Mareca strepera
    # Count: 6
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  17. Western Grebe Aechmophorus occidentalis
    # Count: 6
    Date:
    Observer: Ted Floyd
    Location: Boulder Creek--75th St.
  18. Red Crossbill Loxia curvirostra
    # Count: 6
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  19. Lesser Scaup Aythya affinis
    # Count: 5
    Date:
    Observer: John Salisbury
    Location: Boulder Creek--75th St.
  20. White-throated Swift Aeronautes saxatalis
    # Count: 5
    Date:
    Observer: Renee Casias
    Location: Boulder Creek--75th St.
  21. Bank Swallow Riparia riparia
    # Count: 5
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  22. House Wren Troglodytes aedon
    # Count: 5
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  23. Western Bluebird Sialia mexicana
    # Count: 5
    Date:
    Observer: Barbara Brown
    Location: Boulder Creek--75th St.
  24. Mountain Bluebird Sialia currucoides
    # Count: 5
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  25. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 5
    Date:
    Observer: Laura Steadman
    Location: Boulder Creek--75th St.
  26. American Wigeon Mareca americana
    # Count: 4
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  27. Green-winged Teal Anas crecca
    # Count: 4
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  28. Red-breasted Merganser Mergus serrator
    # Count: 4
    Date:
    Observer: Scott Severs
    Location: Boulder Creek--75th St.
  29. Common Nighthawk Chordeiles minor
    # Count: 4
    Date:
    Observer: Laura Steadman
    Location: Boulder Creek--75th St.
  30. Cedar Waxwing Bombycilla cedrorum
    # Count: 4
    Date:
    Observer: Karen Coupland
    Location: Boulder Creek--75th St.
  31. Northern Shoveler Spatula clypeata
    # Count: 3
    Date:
    Observer: Grant Medlin
    Location: Boulder Creek--75th St.
  32. Hooded Merganser Lophodytes cucullatus
    # Count: 3
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  33. Red-tailed Hawk Buteo jamaicensis
    # Count: 3
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  34. Virginia's Warbler Leiothlypis virginiae
    # Count: 3
    Date:
    Observer: Glenn Walbek
    Location: Boulder Creek--75th St.
  35. Blue Grosbeak Passerina caerulea
    # Count: 3
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  36. Canada Goose Branta canadensis
    # Count: 2
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  37. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Scott Brown
    Location: Boulder Creek--75th St.
  38. Cinnamon Teal Spatula cyanoptera
    # Count: 2
    Date:
    Observer: Charles Hundertmark
    Location: Boulder Creek--75th St.
  39. Mallard Anas platyrhynchos
    # Count: 2
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  40. Redhead Aythya americana
    # Count: 2
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  41. Ring-necked Duck Aythya collaris
    # Count: 2
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  42. Wild Turkey Meleagris gallopavo
    # Count: 2
    Date:
    Observer: Kieran Schnitzspahn
    Location: Boulder Creek--75th St.
  43. Band-tailed Pigeon Patagioenas fasciata
    # Count: 2
    Date:
    Observer: Megan Jones Patterson
    Location: Boulder Creek--75th St.
  44. Mourning Dove Zenaida macroura
    # Count: 2
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  45. American Avocet Recurvirostra americana
    # Count: 2
    Date:
    Observer: Steve Frye
    Location: Boulder Creek--75th St.
  46. Great Horned Owl Bubo virginianus
    # Count: 2
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  47. Eastern Phoebe Sayornis phoebe
    # Count: 2
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  48. Western Kingbird Tyrannus verticalis
    # Count: 2
    Date:
    Observer: Adine Hickey
    Location: Boulder Creek--75th St.
  49. Blue Jay Cyanocitta cristata
    # Count: 2
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  50. Common Raven Corvus corax
    # Count: 2
    Date:
    Observer: Merritt Deeter
    Location: Boulder Creek--75th St.
  51. Black-capped Chickadee Poecile atricapillus
    # Count: 2
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  52. Horned Lark Eremophila alpestris
    # Count: 2
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  53. Tree Swallow Tachycineta bicolor
    # Count: 2
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  54. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 2
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  55. Bushtit Psaltriparus minimus
    # Count: 2
    Date:
    Observer: Jonathan Montgomery
    Location: Boulder Creek--75th St.
  56. Pygmy Nuthatch Sitta pygmaea
    # Count: 2
    Date:
    Observer: jim koczela
    Location: Boulder Creek--75th St.
  57. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 2
    Date:
    Observer: Mark Minner-Lee 🦉
    Location: Boulder Creek--75th St.
  58. Hermit Thrush Catharus guttatus
    # Count: 2
    Date:
    Observer: Greg Levandoski
    Location: Boulder Creek--75th St.
  59. American Robin Turdus migratorius
    # Count: 2
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  60. House Sparrow Passer domesticus
    # Count: 2
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  61. American Pipit Anthus rubescens
    # Count: 2
    Date:
    Observer: Ron Podhajsky
    Location: Boulder Creek--75th St.
  62. American Goldfinch Spinus tristis
    # Count: 2
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  63. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 2
    Date:
    Observer: Nathan Pieplow
    Location: Boulder Creek--75th St.
  64. Song Sparrow Melospiza melodia
    # Count: 2
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  65. Northern Waterthrush Parkesia noveboracensis
    # Count: 2
    Date:
    Observer: David Dowell
    Location: Boulder Creek--75th St.
  66. Black-and-white Warbler Mniotilta varia
    # Count: 2
    Date:
    Observer: Glenn Walbek
    Location: Boulder Creek--75th St.
  67. Yellow Warbler Setophaga petechia
    # Count: 2
    Date:
    Observer: Adine Hickey
    Location: Boulder Creek--75th St.
  68. Snow Goose Anser caerulescens
    # Count: 1
    Date:
    Observer: Robert King
    Location: Boulder Creek--75th St.
  69. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: Kent Forward
    Location: Boulder Creek--75th St.
  70. Trumpeter Swan Cygnus buccinator
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Boulder Creek--75th St.
  71. Northern Pintail Anas acuta
    # Count: 1
    Date:
    Observer: Leslie S
    Location: Boulder Creek--75th St.
  72. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: Mark Minner-Lee 🦉
    Location: Boulder Creek--75th St.
  73. Bufflehead Bucephala albeola
    # Count: 1
    Date:
    Observer: Jonathan Montgomery
    Location: Boulder Creek--75th St.
  74. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: John Salisbury
    Location: Boulder Creek--75th St.
  75. Barrow's Goldeneye Bucephala islandica
    # Count: 1
    Date:
    Observer: Arthur Gest
    Location: Boulder Creek--75th St.
  76. Common Merganser Mergus merganser
    # Count: 1
    Date:
    Observer: Merritt Deeter
    Location: Boulder Creek--75th St.
  77. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Boulder Creek--75th St.
  78. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: Scott Brown
    Location: Boulder Creek--75th St.
  79. White-winged Dove Zenaida asiatica
    # Count: 1
    Date:
    Observer: Hannah Floyd
    Location: Boulder Creek--75th St.
  80. Chimney Swift Chaetura pelagica
    # Count: 1
    Date:
    Observer: Stephen Chang
    Location: Boulder Creek--75th St.
  81. Black-chinned Hummingbird Archilochus alexandri
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  82. Calliope Hummingbird Selasphorus calliope
    # Count: 1
    Date:
    Observer: Brent Holben
    Location: Boulder Creek--75th St.
  83. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: 1
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  84. American Coot Fulica americana
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  85. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  86. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Steve Frye
    Location: Boulder Creek--75th St.
  87. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: John Rutenbeck
    Location: Boulder Creek--75th St.
  88. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: Norman Erthal
    Location: Boulder Creek--75th St.
  89. Lesser Yellowlegs Tringa flavipes
    # Count: 1
    Date:
    Observer: Bryan Guarente
    Location: Boulder Creek--75th St.
  90. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Boulder Creek--75th St.
  91. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: Jonathan Montgomery
    Location: Boulder Creek--75th St.
  92. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Leslie S
    Location: Boulder Creek--75th St.
  93. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  94. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  95. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Royce Walton
    Location: Boulder Creek--75th St.
  96. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  97. Turkey Vulture Cathartes aura
    # Count: 1
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  98. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  99. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Jonathan Montgomery
    Location: Boulder Creek--75th St.
  100. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  101. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Leslie S
    Location: Boulder Creek--75th St.
  102. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Kieran Schnitzspahn
    Location: Boulder Creek--75th St.
  103. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  104. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Boulder Creek--75th St.
  105. Swainson's Hawk Buteo swainsoni
    # Count: 1
    Date:
    Observer: Kathleen Sullivan
    Location: Boulder Creek--75th St.
  106. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Adrian Lakin
    Location: Boulder Creek--75th St.
  107. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  108. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: Steve Frye
    Location: Boulder Creek--75th St.
  109. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  110. Lewis's Woodpecker Melanerpes lewis
    # Count: 1
    Date:
    Observer: Scott Severs
    Location: Boulder Creek--75th St.
  111. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Boulder Creek--75th St.
  112. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Charles Hundertmark
    Location: Boulder Creek--75th St.
  113. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Daniel Gelbart
    Location: Boulder Creek--75th St.
  114. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  115. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  116. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Eve Lempriere
    Location: Boulder Creek--75th St.
  117. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Mark Minner-Lee 🦉
    Location: Boulder Creek--75th St.
  118. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Dan Zmolek
    Location: Boulder Creek--75th St.
  119. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  120. Eastern Wood-Pewee Contopus virens
    # Count: 1
    Date:
    Observer: Joe Roller
    Location: Boulder Creek--75th St.
  121. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Luke Pheneger
    Location: Boulder Creek--75th St.
  122. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Sarah Spotten
    Location: Boulder Creek--75th St.
  123. Hammond's Flycatcher Empidonax hammondii
    # Count: 1
    Date:
    Observer: Peter Burke
    Location: Boulder Creek--75th St.
  124. Dusky Flycatcher Empidonax oberholseri
    # Count: 1
    Date:
    Observer: Sarah Spotten
    Location: Boulder Creek--75th St.
  125. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Karen Axe
    Location: Boulder Creek--75th St.
  126. Black Phoebe Sayornis nigricans
    # Count: 1
    Date:
    Observer: Rob Cassady
    Location: Boulder Creek--75th St.
  127. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  128. Cassin's Kingbird Tyrannus vociferans
    # Count: 1
    Date:
    Observer: Peter Burke
    Location: Boulder Creek--75th St.
  129. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Adine Hickey
    Location: Boulder Creek--75th St.
  130. Cassin's Vireo Vireo cassinii
    # Count: 1
    Date:
    Observer: David Dowell
    Location: Boulder Creek--75th St.
  131. Plumbeous Vireo Vireo plumbeus
    # Count: 1
    Date:
    Observer: Laura Steadman
    Location: Boulder Creek--75th St.
  132. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  133. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Dale and Karen Plumley
    Location: Boulder Creek--75th St.
  134. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Peter Williams
    Location: Boulder Creek--75th St.
  135. Steller's Jay Cyanocitta stelleri
    # Count: 1
    Date:
    Observer: Luke Pheneger
    Location: Boulder Creek--75th St.
  136. Black-billed Magpie Pica hudsonia
    # Count: 1
    Date:
    Observer: Eve Lempriere
    Location: Boulder Creek--75th St.
  137. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Charles Hundertmark
    Location: Boulder Creek--75th St.
  138. Mountain Chickadee Poecile gambeli
    # Count: 1
    Date:
    Observer: Karen Clark
    Location: Boulder Creek--75th St.
  139. Barn Swallow Hirundo rustica
    # Count: 1
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  140. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Deb Piranian
    Location: Boulder Creek--75th St.
  141. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Boulder Creek--75th St.
  142. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Jonathan Montgomery
    Location: Boulder Creek--75th St.
  143. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Nathan Pieplow
    Location: Boulder Creek--75th St.
  144. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Karen Coupland
    Location: Boulder Creek--75th St.
  145. Rock Wren Salpinctes obsoletus
    # Count: 1
    Date:
    Observer: Kathleen Sullivan
    Location: Boulder Creek--75th St.
  146. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: Rob Cassady
    Location: Boulder Creek--75th St.
  147. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  148. Bewick's Wren Thryomanes bewickii
    # Count: 1
    Date:
    Observer: Matthew Brincka
    Location: Boulder Creek--75th St.
  149. American Dipper Cinclus mexicanus
    # Count: 1
    Date:
    Observer: William Kaempfer
    Location: Boulder Creek--75th St.
  150. Gray Catbird Dumetella carolinensis
    # Count: 1
    Date:
    Observer: Ken Molczan
    Location: Boulder Creek--75th St.
  151. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Jeff Parks
    Location: Boulder Creek--75th St.
  152. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Phil Thorpe
    Location: Boulder Creek--75th St.
  153. Townsend's Solitaire Myadestes townsendi
    # Count: 1
    Date:
    Observer: Eve Lempriere
    Location: Boulder Creek--75th St.
  154. Varied Thrush Ixoreus naevius
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Boulder Creek--75th St.
  155. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Andy Dorsey
    Location: Boulder Creek--75th St.
  156. Evening Grosbeak Coccothraustes vespertinus
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  157. Cassin's Finch Haemorhous cassinii
    # Count: 1
    Date:
    Observer: David Schulte
    Location: Boulder Creek--75th St.
  158. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  159. Lesser Goldfinch Spinus psaltria
    # Count: 1
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  160. Chipping Sparrow Spizella passerina
    # Count: 1
    Date:
    Observer: Randall Siebert
    Location: Boulder Creek--75th St.
  161. Clay-colored Sparrow Spizella pallida
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  162. Brewer's Sparrow Spizella breweri
    # Count: 1
    Date:
    Observer: Sarah Spotten
    Location: Boulder Creek--75th St.
  163. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Ryan Bushong
    Location: Boulder Creek--75th St.
  164. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  165. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  166. Harris's Sparrow Zonotrichia querula
    # Count: 1
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  167. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  168. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: Charles Hundertmark
    Location: Boulder Creek--75th St.
  169. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: Leslie S
    Location: Boulder Creek--75th St.
  170. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  171. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Boulder Creek--75th St.
  172. Green-tailed Towhee Pipilo chlorurus
    # Count: 1
    Date:
    Observer: Ron Podhajsky
    Location: Boulder Creek--75th St.
  173. Spotted Towhee Pipilo maculatus
    # Count: 1
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  174. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Eric DeFonso 🦑
    Location: Boulder Creek--75th St.
  175. Western Meadowlark Sturnella neglecta
    # Count: 1
    Date:
    Observer: Neil Brown
    Location: Boulder Creek--75th St.
  176. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Earl Johnson
    Location: Boulder Creek--75th St.
  177. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: carl starace
    Location: Boulder Creek--75th St.
  178. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: Neil Brown
    Location: Boulder Creek--75th St.
  179. Rusty Blackbird Euphagus carolinus
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: Boulder Creek--75th St.
  180. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  181. Common Grackle Quiscalus quiscula
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Boulder Creek--75th St.
  182. Great-tailed Grackle Quiscalus mexicanus
    # Count: 1
    Date:
    Observer: Donna Sichko
    Location: Boulder Creek--75th St.
  183. Worm-eating Warbler Helmitheros vermivorum
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Boulder Creek--75th St.
  184. Golden-winged Warbler Vermivora chrysoptera
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Boulder Creek--75th St.
  185. Tennessee Warbler Leiothlypis peregrina
    # Count: 1
    Date:
    Observer: Charles Hundertmark
    Location: Boulder Creek--75th St.
  186. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Boulder Creek--75th St.
  187. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Kathleen Sullivan
    Location: Boulder Creek--75th St.
  188. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  189. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Peter Burke
    Location: Boulder Creek--75th St.
  190. Cape May Warbler Setophaga tigrina
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Boulder Creek--75th St.
  191. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Scott Severs
    Location: Boulder Creek--75th St.
  192. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: Timo Mitzen
    Location: Boulder Creek--75th St.
  193. Yellow-rumped Warbler Setophaga coronata
    # Count: 1
    Date:
    Observer: Ken Molczan
    Location: Boulder Creek--75th St.
  194. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Boulder Creek--75th St.
  195. Townsend's Warbler Setophaga townsendi
    # Count: 1
    Date:
    Observer: Valentina Roumi
    Location: Boulder Creek--75th St.
  196. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  197. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Boulder Creek--75th St.
  198. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  199. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Luke Pheneger
    Location: Boulder Creek--75th St.
  200. Lazuli Bunting Passerina amoena
    # Count: 1
    Date:
    Observer: Eric DeFonso 🦑
    Location: Boulder Creek--75th St.
  201. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  202. Cackling Goose Branta hutchinsii
    # Count: X
    Date:
    Observer: Anonymous eBirder
    Location: Boulder Creek--75th St.
  203. Tundra Swan Cygnus columbianus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Boulder Creek--75th St.
  204. Canvasback Aythya valisineria
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Boulder Creek--75th St.
  205. Horned Grebe Podiceps auritus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Boulder Creek--75th St.
  206. Herring Gull Larus argentatus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Boulder Creek--75th St.
  207. Lesser Black-backed Gull Larus fuscus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Boulder Creek--75th St.

Exotic: Escapee (1)

  1. European Goldfinch Carduelis carduelis
    # Count: 1
    Date:
    Observer: Leslie S
    Location: Boulder Creek--75th St.

Additional Taxa (55)

  1. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 292
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  2. swallow sp. Hirundinidae sp.
    # Count: 100
    Date:
    Observer: Trenton Voytko
    Location: Boulder Creek--75th St.
  3. grackle sp. Quiscalus sp.
    # Count: 15
    Date:
    Observer: Norm Lewis
    Location: Boulder Creek--75th St.
  4. passerine sp. Passeriformes sp.
    # Count: 12
    Date:
    Observer: Susan Ringoen
    Location: Boulder Creek--75th St.
  5. gull sp. Larinae sp.
    # Count: 8
    Date:
    Observer: Nathan Pieplow
    Location: Boulder Creek--75th St.
  6. waterfowl sp. Anatidae sp.
    # Count: 6
    Date:
    Observer: Richard Littauer
    Location: Boulder Creek--75th St.
  7. bluebird sp. Sialia sp.
    # Count: 6
    Date:
    Observer: Renee Casias
    Location: Boulder Creek--75th St.
  8. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 4
    Date:
    Observer: Gretchen Framel
    Location: Boulder Creek--75th St.
  9. Aythya sp. Aythya sp.
    # Count: 4
    Date:
    Observer: Luke Pheneger
    Location: Boulder Creek--75th St.
  10. new world warbler sp. Parulidae sp.
    # Count: 4
    Date:
    Observer: Jeff Percell
    Location: Boulder Creek--75th St.
  11. Black-capped/Mountain Chickadee Poecile atricapillus/gambeli
    # Count: 3
    Date:
    Observer: Karen Clark
    Location: Boulder Creek--75th St.
  12. Spizella sp. Spizella sp.
    # Count: 3
    Date:
    Observer: David Dowell
    Location: Boulder Creek--75th St.
  13. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: 2
    Date:
    Observer: Grant Medlin
    Location: Boulder Creek--75th St.
  14. goose sp. Anatidae (goose sp.)
    # Count: 2
    Date:
    Observer: Toby Fowler
    Location: Boulder Creek--75th St.
  15. Larus sp. Larus sp.
    # Count: 2
    Date:
    Observer: Jeff Percell
    Location: Boulder Creek--75th St.
  16. raven sp. Corvus sp. (raven sp.)
    # Count: 2
    Date:
    Observer: PL Osborn
    Location: Boulder Creek--75th St.
  17. finch sp. Fringillidae sp.
    # Count: 2
    Date:
    Observer: PL Osborn
    Location: Boulder Creek--75th St.
  18. Mallard/Mexican Duck Anas platyrhynchos/diazi
    # Count: 1
    Date:
    Observer: Leslie S
    Location: Boulder Creek--75th St.
  19. Common/Barrow's Goldeneye Bucephala clangula/islandica
    # Count: 1
    Date:
    Observer: Margaret Arp
    Location: Boulder Creek--75th St.
  20. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 1
    Date:
    Observer: Jeff Parks
    Location: Boulder Creek--75th St.
  21. duck sp. Anatidae (duck sp.)
    # Count: 1
    Date:
    Observer: Deb Piranian
    Location: Boulder Creek--75th St.
  22. pigeon/dove sp. Columbidae sp.
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Boulder Creek--75th St.
  23. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Kathleen Sullivan
    Location: Boulder Creek--75th St.
  24. peep sp. Calidris sp. (peep sp.)
    # Count: 1
    Date:
    Observer: Nate Crane
    Location: Boulder Creek--75th St.
  25. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Chip Clouse
    Location: Boulder Creek--75th St.
  26. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 1
    Date:
    Observer: Denver Field Ornithologists
    Location: Boulder Creek--75th St.
  27. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Sarah Spotten
    Location: Boulder Creek--75th St.
  28. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Brian Johnson
    Location: Boulder Creek--75th St.
  29. Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Ned Coleman
    Location: Boulder Creek--75th St.
  30. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Boulder Creek--75th St.
  31. Buteo/eagle sp. Buteo/eagle sp.
    # Count: 1
    Date:
    Observer: Lark Latch
    Location: Boulder Creek--75th St.
  32. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: Peter Burke
    Location: Boulder Creek--75th St.
  33. Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalis
    # Count: 1
    Date:
    Observer: Ron Podhajsky
    Location: Boulder Creek--75th St.
  34. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Sheridan Samano
    Location: Boulder Creek--75th St.
  35. large falcon sp. Falco sp. (large falcon sp.)
    # Count: 1
    Date:
    Observer: Steve Frye
    Location: Boulder Creek--75th St.
  36. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Owen Robertson
    Location: Boulder Creek--75th St.
  37. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  38. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Sarah Spotten
    Location: Boulder Creek--75th St.
  39. Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseri
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Boulder Creek--75th St.
  40. Gray/Dusky Flycatcher Empidonax wrightii/oberholseri
    # Count: 1
    Date:
    Observer: Ken Molczan
    Location: Boulder Creek--75th St.
  41. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Earl Johnson
    Location: Boulder Creek--75th St.
  42. phoebe sp. Sayornis sp.
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Boulder Creek--75th St.
  43. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Stephen Chang
    Location: Boulder Creek--75th St.
  44. crow/raven sp. Corvus sp.
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Boulder Creek--75th St.
  45. nuthatch sp. Sitta sp.
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Boulder Creek--75th St.
  46. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  47. new world goldfinch sp. Spinus sp. (goldfinch sp.)
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Boulder Creek--75th St.
  48. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer: Grant Medlin
    Location: Boulder Creek--75th St.
  49. blackbird sp. Icteridae sp.
    # Count: 1
    Date:
    Observer: William Zwartjes cc
    Location: Boulder Creek--75th St.
  50. Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalus
    # Count: 1
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.
  51. Lazuli/Indigo Bunting Passerina amoena/cyanea
    # Count: 1
    Date:
    Observer: Ryan Bushong
    Location: Boulder Creek--75th St.
  52. bird sp. Aves sp.
    # Count: 1
    Date:
    Observer: Richard Littauer
    Location: Boulder Creek--75th St.
  53. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: X
    Date:
    Observer: Anonymous eBirder
    Location: Boulder Creek--75th St.
  54. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: X
    Date:
    Observer: Anonymous eBirder
    Location: Boulder Creek--75th St.
  55. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    # Count: X
    Date:
    Observer: Joo Tan
    Location: Boulder Creek--75th St.