Menu

Change Region

Change Region

Harkins Slough

Directions Map

Explore...

Bird List

Updated ~4 seconds ago
227 All Years 76 This Year 2024 35 This Month Jun 2024
Last Observed First Observed High Count

Custom Time Period

Change Time Period

Sort by

  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (226)

  1. Bewick's Wren Thryomanes bewickii
    # Count: 5
    Date:
    Observer: S Lambert
    Location: Harkins Slough
  2. House Wren Troglodytes aedon
    # Count: 2
    Date:
    Observer: S Lambert
    Location: Harkins Slough
  3. Dark-eyed Junco Junco hyemalis
    # Count: 6
    Date:
    Observer: S Lambert
    Location: Harkins Slough
  4. Cooper's Hawk Accipiter cooperii
    # Count: 2
    Date:
    Observer: Norman Uyeda
    Location: Harkins Slough
  5. Merlin Falco columbarius
    # Count: 2
    Date:
    Observer: Nico Schnack
    Location: Harkins Slough
  6. Say's Phoebe Sayornis saya
    # Count: 4
    Date:
    Observer: Patti Northam
    Location: Harkins Slough
  7. Tropical Kingbird Tyrannus melancholicus
    # Count: 1
    Date:
    Observer: Patti Northam
    Location: Harkins Slough
  8. House Finch Haemorhous mexicanus
    # Count: 140
    Date:
    Observer: Abram Fleishman
    Location: Harkins Slough
  9. Pine Siskin Spinus pinus
    # Count: 30
    Date:
    Observer: Bryan Kett
    Location: Harkins Slough
  10. Acorn Woodpecker Melanerpes formicivorus
    # Count: 6
    Date:
    Observer: Wendy Beers
    Location: Harkins Slough
  11. Northern Flicker Colaptes auratus
    # Count: 3
    Date:
    Observer: Wendy Beers
    Location: Harkins Slough
  12. Hermit Warbler Setophaga occidentalis
    # Count: 1
    Date:
    Observer: Wendy Beers
    Location: Harkins Slough
  13. Wild Turkey Meleagris gallopavo
    # Count: 40
    Date:
    Observer: Cameron Chao
    Location: Harkins Slough
  14. Red-shouldered Hawk Buteo lineatus
    # Count: 4
    Date:
    Observer: Cameron Chao
    Location: Harkins Slough
  15. Hairy Woodpecker Dryobates villosus
    # Count: 2
    Date:
    Observer: Cameron Chao
    Location: Harkins Slough
  16. Great Horned Owl Bubo virginianus
    # Count: 3
    Date:
    Observer: logan kahle
    Location: Harkins Slough
  17. Barn Swallow Hirundo rustica
    # Count: 70
    Date:
    Observer: logan kahle
    Location: Harkins Slough
  18. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: logan kahle
    Location: Harkins Slough
  19. Warbling Vireo Vireo gilvus
    # Count: 2
    Date:
    Observer: Jonny Wahl
    Location: Harkins Slough
  20. Pied-billed Grebe Podilymbus podiceps
    # Count: 17
    Date:
    Observer: Anne Spence
    Location: Harkins Slough
  21. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Bill Hubick
    Location: Harkins Slough
  22. Whimbrel Numenius phaeopus
    # Count: 75
    Date:
    Observer: Pete Sole
    Location: Harkins Slough
  23. Common Merganser Mergus merganser
    # Count: 2
    Date:
    Observer: Bill McCabe
    Location: Harkins Slough
  24. Anna's Hummingbird Calypte anna
    # Count: 4
    Date:
    Observer: Laura Paulson
    Location: Harkins Slough
  25. Wrentit Chamaea fasciata
    # Count: 6
    Date:
    Observer: Laura Paulson
    Location: Harkins Slough
  26. Pygmy Nuthatch Sitta pygmaea
    # Count: 5
    Date:
    Observer: Earl Lebow
    Location: Harkins Slough
  27. Townsend's Warbler Setophaga townsendi
    # Count: 6
    Date:
    Observer: Earl Lebow
    Location: Harkins Slough
  28. Canada Goose Branta canadensis
    # Count: 365
    Date:
    Observer: Earl Lebow
    Location: Harkins Slough
  29. Peregrine Falcon Falco peregrinus
    # Count: 2
    Date:
    Observer: Earl Lebow
    Location: Harkins Slough
  30. Common Yellowthroat Geothlypis trichas
    # Count: 7
    Date:
    Observer: Norman Uyeda
    Location: Harkins Slough
  31. Bullock's Oriole Icterus bullockii
    # Count: 4
    Date:
    Observer: richard sandkuhle
    Location: Harkins Slough
  32. Oak Titmouse Baeolophus inornatus
    # Count: 4
    Date:
    Observer: Lynda Lewit
    Location: Harkins Slough
  33. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Wendy Beers
    Location: Harkins Slough
  34. Clark's Grebe Aechmophorus clarkii
    # Count: 4
    Date:
    Observer: Emil Yappert
    Location: Harkins Slough
  35. Hermit Thrush Catharus guttatus
    # Count: 4
    Date:
    Observer: Gary Kittleson
    Location: Harkins Slough
  36. Western Bluebird Sialia mexicana
    # Count: 14
    Date:
    Observer: David Somerton
    Location: Harkins Slough
  37. Snow Goose Anser caerulescens
    # Count: 29
    Date:
    Observer: Norman Uyeda
    Location: Harkins Slough
  38. Tundra Swan Cygnus columbianus
    # Count: 5
    Date:
    Observer: Brian Bullard
    Location: Harkins Slough
  39. American Coot Fulica americana
    # Count: 1000
    Date:
    Observer: Anne Spence
    Location: Harkins Slough
  40. Wood Duck Aix sponsa
    # Count: 7
    Date:
    Observer: Sasha Robinson
    Location: Harkins Slough
  41. Mourning Dove Zenaida macroura
    # Count: 32
    Date:
    Observer: Norman Uyeda
    Location: Harkins Slough
  42. Savannah Sparrow Passerculus sandwichensis
    # Count: 11
    Date:
    Observer: Gary Kittleson
    Location: Harkins Slough
  43. Allen's Hummingbird Selasphorus sasin
    # Count: 3
    Date:
    Observer: Gary Kittleson
    Location: Harkins Slough
  44. Wilson's Warbler Cardellina pusilla
    # Count: 14
    Date:
    Observer: Gary Kittleson
    Location: Harkins Slough
  45. Lesser Black-backed Gull Larus fuscus
    # Count: 1
    Date:
    Observer: Dave Lavorando
    Location: Harkins Slough
  46. Golden Eagle Aquila chrysaetos
    # Count: 2
    Date:
    Observer: Alex Rinkert
    Location: Harkins Slough
  47. California Scrub-Jay Aphelocoma californica
    # Count: 10
    Date:
    Observer: Salena Filichia
    Location: Harkins Slough
  48. Hooded Oriole Icterus cucullatus
    # Count: 1
    Date:
    Observer: Derek Lecy
    Location: Harkins Slough
  49. Osprey Pandion haliaetus
    # Count: 6
    Date:
    Observer: Lee Jaffe
    Location: Harkins Slough
  50. Greater White-fronted Goose Anser albifrons
    # Count: 58
    Date:
    Observer: Jonny Wahl
    Location: Harkins Slough
  51. Northern Harrier Circus hudsonius
    # Count: 5
    Date:
    Observer: Sharon Hull
    Location: Harkins Slough
  52. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 3
    Date:
    Observer: Sharon Hull
    Location: Harkins Slough
  53. Northern Shoveler Spatula clypeata
    # Count: 150
    Date:
    Observer: Juli Chamberlin
    Location: Harkins Slough
  54. Double-crested Cormorant Nannopterum auritum
    # Count: 70
    Date:
    Observer: Juli Chamberlin
    Location: Harkins Slough
  55. Steller's Jay Cyanocitta stelleri
    # Count: 4
    Date:
    Observer: Laura Paulson
    Location: Harkins Slough
  56. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Norman Uyeda
    Location: Harkins Slough
  57. Sandhill Crane Antigone canadensis
    # Count: 1
    Date:
    Observer: Bernadette Ramer
    Location: Harkins Slough
  58. Cackling Goose Branta hutchinsii
    # Count: 68
    Date:
    Observer: Hugo Ceja
    Location: Harkins Slough
  59. Northern Mockingbird Mimus polyglottos
    # Count: 4
    Date:
    Observer: richard sandkuhle
    Location: Harkins Slough
  60. White-faced Ibis Plegadis chihi
    # Count: 25
    Date:
    Observer: Jeff Roisman
    Location: Harkins Slough
  61. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Jeff Roisman
    Location: Harkins Slough
  62. Redhead Aythya americana
    # Count: 2
    Date:
    Observer: Jeff Roisman
    Location: Harkins Slough
  63. White-throated Swift Aeronautes saxatalis
    # Count: 2
    Date:
    Observer: Sharon Hull
    Location: Harkins Slough
  64. Fox Sparrow Passerella iliaca
    # Count: 3
    Date:
    Observer: Craig Fosdick
    Location: Harkins Slough
  65. Eared Grebe Podiceps nigricollis
    # Count: 11
    Date:
    Observer: Ken Schneider
    Location: Harkins Slough
  66. California Gull Larus californicus
    # Count: 6600
    Date:
    Observer: Alex Rinkert
    Location: Harkins Slough
  67. Iceland Gull Larus glaucoides
    # Count: 25
    Date:
    Observer: Alex Rinkert
    Location: Harkins Slough
  68. Vaux's Swift Chaetura vauxi
    # Count: 3
    Date:
    Observer: Patty McLean
    Location: Harkins Slough
  69. Western Kingbird Tyrannus verticalis
    # Count: 4
    Date:
    Observer: Randy Wardle
    Location: Harkins Slough
  70. Surf Scoter Melanitta perspicillata
    # Count: 1
    Date:
    Observer: Michael Bolte
    Location: Harkins Slough
  71. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 5
    Date:
    Observer: Nickie Zavinsky
    Location: Harkins Slough
  72. Rock Pigeon Columba livia
    # Count: 200
    Date:
    Observer: John Garrett
    Location: Harkins Slough
  73. California Thrasher Toxostoma redivivum
    # Count: 2
    Date:
    Observer: Alex Rinkert
    Location: Harkins Slough
  74. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: Jeff Bleam
    Location: Harkins Slough
  75. Bufflehead Bucephala albeola
    # Count: 17
    Date:
    Observer: jane mio
    Location: Harkins Slough
  76. Common Goldeneye Bucephala clangula
    # Count: 26
    Date:
    Observer: jane mio
    Location: Harkins Slough
  77. White-throated Sparrow Zonotrichia albicollis
    # Count: 3
    Date:
    Observer: jane mio
    Location: Harkins Slough
  78. Western Grebe Aechmophorus occidentalis
    # Count: 15
    Date:
    Observer: David Wilhelm
    Location: Harkins Slough
  79. Belted Kingfisher Megaceryle alcyon
    # Count: 3
    Date:
    Observer: David Wilhelm
    Location: Harkins Slough
  80. Long-billed Curlew Numenius americanus
    # Count: 1
    Date:
    Observer: Alex Rinkert
    Location: Harkins Slough
  81. Lesser Goldfinch Spinus psaltria
    # Count: 25
    Date:
    Observer: richard sandkuhle
    Location: Harkins Slough
  82. California Towhee Melozone crissalis
    # Count: 8
    Date:
    Observer: richard sandkuhle
    Location: Harkins Slough
  83. Yellow Warbler Setophaga petechia
    # Count: 5
    Date:
    Observer: richard sandkuhle
    Location: Harkins Slough
  84. Bald Eagle Haliaeetus leucocephalus
    # Count: 4
    Date:
    Observer: Randy Wardle
    Location: Harkins Slough
  85. Caspian Tern Hydroprogne caspia
    # Count: 30
    Date:
    Observer: Amy McDonald
    Location: Harkins Slough
  86. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 160
    Date:
    Observer: Randy Wardle
    Location: Harkins Slough
  87. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 200
    Date:
    Observer: John Garrett
    Location: Harkins Slough
  88. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 53
    Date:
    Observer: Randy Wardle
    Location: Harkins Slough
  89. Varied Thrush Ixoreus naevius
    # Count: 2
    Date:
    Observer: Mike Voydanoff
    Location: Harkins Slough
  90. Nuttall's Woodpecker Dryobates nuttallii
    # Count: 2
    Date:
    Observer: Matthew York
    Location: Harkins Slough
  91. Ring-billed Gull Larus delawarensis
    # Count: 100
    Date:
    Observer: Kaia Colestock
    Location: Harkins Slough
  92. Great Blue Heron Ardea herodias
    # Count: 13
    Date:
    Observer: Paul Fenwick
    Location: Harkins Slough
  93. Brandt's Cormorant Urile penicillatus
    # Count: 6
    Date:
    Observer: Bill Frey
    Location: Harkins Slough
  94. Horned Grebe Podiceps auritus
    # Count: 4
    Date:
    Observer: Warren Samuels
    Location: Harkins Slough
  95. Spotted Sandpiper Actitis macularius
    # Count: 3
    Date:
    Observer: John Garrett
    Location: Harkins Slough
  96. Brown Pelican Pelecanus occidentalis
    # Count: 10
    Date:
    Observer: Shantanu Phukan
    Location: Harkins Slough
  97. Hutton's Vireo Vireo huttoni
    # Count: 5
    Date:
    Observer: Gary Martindale
    Location: Harkins Slough
  98. American White Pelican Pelecanus erythrorhynchos
    # Count: 278
    Date:
    Observer: Gary Martindale
    Location: Harkins Slough
  99. Great Egret Ardea alba
    # Count: 50
    Date:
    Observer: Jeff Bleam
    Location: Harkins Slough
  100. Band-tailed Pigeon Patagioenas fasciata
    # Count: 50
    Date:
    Observer: Randy Wardle
    Location: Harkins Slough
  101. Green Heron Butorides virescens
    # Count: 5
    Date:
    Observer: Randy Wardle
    Location: Harkins Slough
  102. Turkey Vulture Cathartes aura
    # Count: 54
    Date:
    Observer: Earl Lebow
    Location: Harkins Slough
  103. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 25
    Date:
    Observer: Bryan Wyatt
    Location: Harkins Slough
  104. Burrowing Owl Athene cunicularia
    # Count: 1
    Date:
    Observer: Michael Bolte
    Location: Harkins Slough
  105. Heermann's Gull Larus heermanni
    # Count: 3
    Date:
    Observer: richard sandkuhle
    Location: Harkins Slough
  106. Rusty Blackbird Euphagus carolinus
    # Count: 1
    Date:
    Observer: Frances Oliver
    Location: Harkins Slough
  107. Chestnut-backed Chickadee Poecile rufescens
    # Count: 15
    Date:
    Observer: Kenneth Petersen
    Location: Harkins Slough
  108. Tree Swallow Tachycineta bicolor
    # Count: 350
    Date:
    Observer: Bernadette Ramer
    Location: Harkins Slough
  109. Violet-green Swallow Tachycineta thalassina
    # Count: 400
    Date:
    Observer: Bernadette Ramer
    Location: Harkins Slough
  110. American Goldfinch Spinus tristis
    # Count: 45
    Date:
    Observer: Gary Martindale
    Location: Harkins Slough
  111. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 50
    Date:
    Observer: Gary Martindale
    Location: Harkins Slough
  112. Ross's Goose Anser rossii
    # Count: 10
    Date:
    Observer: David Wilhelm
    Location: Harkins Slough
  113. Bushtit Psaltriparus minimus
    # Count: 65
    Date:
    Observer: Gary Martindale
    Location: Harkins Slough
  114. Yellow-rumped Warbler Setophaga coronata
    # Count: 56
    Date:
    Observer: Gary Martindale
    Location: Harkins Slough
  115. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: David Sidle
    Location: Harkins Slough
  116. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Earl Lebow
    Location: Harkins Slough
  117. Baird's Sandpiper Calidris bairdii
    # Count: 1
    Date:
    Observer: Sharon Hull
    Location: Harkins Slough
  118. Common Gallinule Gallinula galeata
    # Count: 5
    Date:
    Observer: Marian Zimmerman
    Location: Harkins Slough
  119. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 27
    Date:
    Observer: Jeff Wall
    Location: Harkins Slough
  120. Orange-crowned Warbler Leiothlypis celata
    # Count: 3
    Date:
    Observer: logan kahle
    Location: Harkins Slough
  121. Willet Tringa semipalmata
    # Count: 6
    Date:
    Observer: Phil Brown
    Location: Harkins Slough
  122. Purple Finch Haemorhous purpureus
    # Count: 10
    Date:
    Observer: Anonymous eBirder
    Location: Harkins Slough
  123. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 2
    Date:
    Observer: richard sandkuhle
    Location: Harkins Slough
  124. Elegant Tern Thalasseus elegans
    # Count: 10
    Date:
    Observer: Nicholas Levendosky
    Location: Harkins Slough
  125. Black Phoebe Sayornis nigricans
    # Count: 12
    Date:
    Observer: Nicholas Levendosky
    Location: Harkins Slough
  126. Lawrence's Goldfinch Spinus lawrencei
    # Count: 14
    Date:
    Observer: Lois Goldfrank
    Location: Harkins Slough
  127. Wilson's Phalarope Phalaropus tricolor
    # Count: 18
    Date:
    Observer: Phil Brown
    Location: Harkins Slough
  128. Swainson's Thrush Catharus ustulatus
    # Count: 5
    Date:
    Observer: Phil Brown
    Location: Harkins Slough
  129. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: Steve Gerow
    Location: Harkins Slough
  130. Western Meadowlark Sturnella neglecta
    # Count: 50
    Date:
    Observer: Steve Gerow
    Location: Harkins Slough
  131. Black-bellied Plover Pluvialis squatarola
    # Count: 2
    Date:
    Observer: Wendy Dreskin
    Location: Harkins Slough
  132. Spotted Towhee Pipilo maculatus
    # Count: 7
    Date:
    Observer: Bill Hubick
    Location: Harkins Slough
  133. American Bittern Botaurus lentiginosus
    # Count: 3
    Date:
    Observer: Gary Martindale
    Location: Harkins Slough
  134. Marsh Wren Cistothorus palustris
    # Count: 25
    Date:
    Observer: Gary Martindale
    Location: Harkins Slough
  135. Horned Lark Eremophila alpestris
    # Count: 20
    Date:
    Observer: Robert Clark
    Location: Harkins Slough
  136. American Pipit Anthus rubescens
    # Count: 25
    Date:
    Observer: David Sidle
    Location: Harkins Slough
  137. American Wigeon Mareca americana
    # Count: 300
    Date:
    Observer: Jerry Busch
    Location: Harkins Slough
  138. Ring-necked Duck Aythya collaris
    # Count: 61
    Date:
    Observer: Bob Ramer
    Location: Harkins Slough
  139. Ruby-crowned Kinglet Corthylio calendula
    # Count: 11
    Date:
    Observer: Bob Ramer
    Location: Harkins Slough
  140. Great-tailed Grackle Quiscalus mexicanus
    # Count: 41
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  141. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 40
    Date:
    Observer: Phil Brown
    Location: Harkins Slough
  142. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Gray Gallogly Records
    Location: Harkins Slough
  143. Western Tanager Piranga ludoviciana
    # Count: 2
    Date:
    Observer: Gray Gallogly Records
    Location: Harkins Slough
  144. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Robert Foppe
    Location: Harkins Slough
  145. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  146. Swainson's Hawk Buteo swainsoni
    # Count: 1
    Date:
    Observer: Matthew Timmer
    Location: Harkins Slough
  147. California Quail Callipepla californica
    # Count: 20
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  148. Western Gull Larus occidentalis
    # Count: 4000
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  149. Glaucous-winged Gull Larus glaucescens
    # Count: 3500
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  150. House Sparrow Passer domesticus
    # Count: 10
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  151. Glaucous Gull Larus hyperboreus
    # Count: 6
    Date:
    Observer: Matt Brady
    Location: Harkins Slough
  152. Common Raven Corvus corax
    # Count: 45
    Date:
    Observer: Matt Brady
    Location: Harkins Slough
  153. Herring Gull Larus argentatus
    # Count: 200
    Date:
    Observer: Matt Brady
    Location: Harkins Slough
  154. Western Flycatcher Empidonax difficilis
    # Count: 5
    Date:
    Observer: Phil Brown
    Location: Harkins Slough
  155. Marbled Godwit Limosa fedoa
    # Count: 40
    Date:
    Observer: Alexander Gaguine
    Location: Harkins Slough
  156. Red-necked Phalarope Phalaropus lobatus
    # Count: 25
    Date:
    Observer: Alexander Gaguine
    Location: Harkins Slough
  157. Cedar Waxwing Bombycilla cedrorum
    # Count: 40
    Date:
    Observer: Phil Brown
    Location: Harkins Slough
  158. Red-winged Blackbird Agelaius phoeniceus
    # Count: 2000
    Date:
    Observer: Phil Brown
    Location: Harkins Slough
  159. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 1000
    Date:
    Observer: Phil Brown
    Location: Harkins Slough
  160. Ruff Calidris pugnax
    # Count: 1
    Date:
    Observer: Ryan Terrill
    Location: Harkins Slough
  161. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  162. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  163. Black Tern Chlidonias niger
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  164. Downy Woodpecker Dryobates pubescens
    # Count: 3
    Date:
    Observer: Jim Rowoth
    Location: Harkins Slough
  165. American Avocet Recurvirostra americana
    # Count: 26
    Date:
    Observer: Stephen Long
    Location: Harkins Slough
  166. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  167. Tufted Duck Aythya fuligula
    # Count: 1
    Date:
    Observer: Jim Swarr
    Location: Harkins Slough
  168. Greater Scaup Aythya marila
    # Count: 10
    Date:
    Observer: Marcel Holyoak
    Location: Harkins Slough
  169. Lesser Scaup Aythya affinis
    # Count: 20
    Date:
    Observer: Marcel Holyoak
    Location: Harkins Slough
  170. Canvasback Aythya valisineria
    # Count: 570
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  171. Ruddy Duck Oxyura jamaicensis
    # Count: 225
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  172. Killdeer Charadrius vociferus
    # Count: 42
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  173. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 275
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  174. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  175. Brown-headed Cowbird Molothrus ater
    # Count: 600
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  176. Black-necked Stilt Himantopus mexicanus
    # Count: 23
    Date:
    Observer: Kenneth Petersen
    Location: Harkins Slough
  177. Western Sandpiper Calidris mauri
    # Count: 75
    Date:
    Observer: Kenneth Petersen
    Location: Harkins Slough
  178. Forster's Tern Sterna forsteri
    # Count: 22
    Date:
    Observer: Kenneth Petersen
    Location: Harkins Slough
  179. Greater Yellowlegs Tringa melanoleuca
    # Count: 9
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  180. Semipalmated Plover Charadrius semipalmatus
    # Count: 43
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  181. Least Sandpiper Calidris minutilla
    # Count: 100
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  182. Pectoral Sandpiper Calidris melanotos
    # Count: 5
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  183. Semipalmated Sandpiper Calidris pusilla
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  184. Cassin's Vireo Vireo cassinii
    # Count: 1
    Date:
    Observer: Lois Goldfrank
    Location: Harkins Slough
  185. Stilt Sandpiper Calidris himantopus
    # Count: 1
    Date:
    Observer: Rob Fowler
    Location: Harkins Slough
  186. Franklin's Gull Leucophaeus pipixcan
    # Count: 1
    Date:
    Observer: Don Roberson
    Location: Harkins Slough
  187. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Don Roberson
    Location: Harkins Slough
  188. Short-billed Dowitcher Limnodromus griseus
    # Count: 25
    Date:
    Observer: Don Roberson
    Location: Harkins Slough
  189. Lesser Yellowlegs Tringa flavipes
    # Count: 10
    Date:
    Observer: Don Roberson
    Location: Harkins Slough
  190. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Don Roberson
    Location: Harkins Slough
  191. Western Cattle Egret Bubulcus ibis
    # Count: 2
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  192. Gadwall Mareca strepera
    # Count: 45
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  193. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  194. Tricolored Blackbird Agelaius tricolor
    # Count: 550
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  195. Hooded Merganser Lophodytes cucullatus
    # Count: 17
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  196. Short-billed Gull Larus brachyrhynchus
    # Count: 200
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  197. Green-winged Teal Anas crecca
    # Count: 940
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  198. Northern Pintail Anas acuta
    # Count: 814
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  199. Blue-winged Teal Spatula discors
    # Count: 6
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  200. Mallard Anas platyrhynchos
    # Count: 980
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  201. Clay-colored Sparrow Spizella pallida
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  202. Lincoln's Sparrow Melospiza lincolnii
    # Count: 47
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  203. Bobolink Dolichonyx oryzivorus
    # Count: 2
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  204. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  205. Virginia Rail Rallus limicola
    # Count: 6
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  206. Sora Porzana carolina
    # Count: 8
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  207. Swamp Sparrow Melospiza georgiana
    # Count: 5
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  208. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  209. White-tailed Kite Elanus leucurus
    # Count: 19
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  210. Sharp-shinned Hawk Accipiter striatus
    # Count: 2
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  211. Red-tailed Hawk Buteo jamaicensis
    # Count: 34
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  212. European Starling Sturnus vulgaris
    # Count: 10,000
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  213. American Kestrel Falco sparverius
    # Count: 6
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  214. Loggerhead Shrike Lanius ludovicianus
    # Count: 5
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  215. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  216. American Robin Turdus migratorius
    # Count: 40
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  217. Song Sparrow Melospiza melodia
    # Count: 40
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  218. Dunlin Calidris alpina
    # Count: 30
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  219. Sanderling Calidris alba
    # Count: 1
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  220. Wilson's Snipe Gallinago delicata
    # Count: 45
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  221. Snowy Egret Egretta thula
    # Count: 16
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  222. American Crow Corvus brachyrhynchos
    # Count: 260
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  223. Pacific Wren Troglodytes pacificus
    # Count: 5
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  224. Red Crossbill Loxia curvirostra
    # Count: 2
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  225. Cinnamon Teal Spatula cyanoptera
    # Count: 207
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  226. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: stephanie singer
    Location: Harkins Slough

Exotic: Provisional (1)

  1. Mute Swan Cygnus olor
    # Count: 1
    Date:
    Observer: Jonny Wahl
    Location: Harkins Slough

Exotic: Escapee (1)

  1. Pink-backed Pelican Pelecanus rufescens
    # Count: 1
    Date:
    Observer: David Vander Pluym
    Location: Harkins Slough

Hybrids (6)

  1. Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescens
    # Count: 15
    Date:
    Observer: Alex Rinkert
    Location: Harkins Slough
  2. Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkii
    # Count: 1
    Date:
    Observer: Alex Rinkert
    Location: Harkins Slough
  3. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    # Count: 300
    Date:
    Observer: David Suddjian
    Location: Harkins Slough
  4. Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreus
    # Count: 3
    Date:
    Observer: Matt Brady
    Location: Harkins Slough
  5. Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescens
    # Count: 3
    Date:
    Observer: Matt Brady
    Location: Harkins Slough
  6. Eurasian x American Wigeon (hybrid) Mareca penelope x americana
    # Count: 1
    Date:
    Observer: Oscar Johnson
    Location: Harkins Slough

Additional Taxa (36)

  1. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Patti Northam
    Location: Harkins Slough
  2. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Patti Northam
    Location: Harkins Slough
  3. blackbird sp. Icteridae sp.
    # Count: 200
    Date:
    Observer: Bryan Kett
    Location: Harkins Slough
  4. new world goldfinch sp. Spinus sp. (goldfinch sp.)
    # Count: 1
    Date:
    Observer: Cameron Chao
    Location: Harkins Slough
  5. Zonotrichia sp. Zonotrichia sp.
    # Count: 10
    Date:
    Observer: Liam Murphy
    Location: Harkins Slough
  6. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 2
    Date:
    Observer: Shantanu Phukan
    Location: Harkins Slough
  7. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Richard Moss
    Location: Harkins Slough
  8. passerine sp. Passeriformes sp.
    # Count: 20
    Date:
    Observer: allen krabill
    Location: Harkins Slough
  9. Larus sp. Larus sp.
    # Count: 3000
    Date:
    Observer: Jeff Manker
    Location: Harkins Slough
  10. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 1
    Date:
    Observer: Gary Kittleson
    Location: Harkins Slough
  11. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: David Sidle
    Location: Harkins Slough
  12. falcon sp. Falco sp.
    # Count: 2
    Date:
    Observer: Ryan Carle
    Location: Harkins Slough
  13. white-winged gull sp. Larus sp. (white-winged gull sp.)
    # Count: 1
    Date:
    Observer: Sharon Hull
    Location: Harkins Slough
  14. duck sp. Anatidae (duck sp.)
    # Count: 100
    Date:
    Observer: Juli Chamberlin
    Location: Harkins Slough
  15. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 2
    Date:
    Observer: Joe Yuhas
    Location: Harkins Slough
  16. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 1
    Date:
    Observer: Jonny Wahl
    Location: Harkins Slough
  17. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Bob Ramer
    Location: Harkins Slough
  18. Snow/Ross's Goose Anser caerulescens/rossii
    # Count: 24
    Date:
    Observer: Jeff Roisman
    Location: Harkins Slough
  19. peep sp. Calidris sp. (peep sp.)
    # Count: 80
    Date:
    Observer: Randy Wardle
    Location: Harkins Slough
  20. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: David Sidle
    Location: Harkins Slough
  21. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 25
    Date:
    Observer: Craig Fosdick
    Location: Harkins Slough
  22. large tern sp. Hydroprogne/Thalasseus sp.
    # Count: 300
    Date:
    Observer: Shantanu Phukan
    Location: Harkins Slough
  23. crow/raven sp. Corvus sp.
    # Count: 5
    Date:
    Observer: Ketury Stein
    Location: Harkins Slough
  24. new world warbler sp. Parulidae sp.
    # Count: 2
    Date:
    Observer: Ketury Stein
    Location: Harkins Slough
  25. new world sparrow sp. Passerellidae sp.
    # Count: 7
    Date:
    Observer: jane mio
    Location: Harkins Slough
  26. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 8
    Date:
    Observer: Jeff Roisman
    Location: Harkins Slough
  27. cormorant sp. Phalacrocoracidae sp.
    # Count: 12
    Date:
    Observer: Jeff Roisman
    Location: Harkins Slough
  28. gull sp. Larinae sp.
    # Count: 12,537
    Date:
    Observer: Jeff Bleam
    Location: Harkins Slough
  29. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Nickie Zavinsky
    Location: Harkins Slough
  30. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 20
    Date:
    Observer: Jeff Caplan
    Location: Harkins Slough
  31. Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolor
    # Count: 20
    Date:
    Observer: Jeff Caplan
    Location: Harkins Slough
  32. ibis sp. Threskiornithidae sp. (ibis sp.)
    # Count: 2
    Date:
    Observer: Mark Holmgren
    Location: Harkins Slough
  33. phalarope sp. Phalaropus sp.
    # Count: 2
    Date:
    Observer: Randy Wardle
    Location: Harkins Slough
  34. swallow sp. Hirundinidae sp.
    # Count: 1500
    Date:
    Observer: Christian Schwarz
    Location: Harkins Slough
  35. teal sp. Anatidae sp. (teal sp.)
    # Count: 30
    Date:
    Observer: Abram Fleishman
    Location: Harkins Slough
  36. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 75
    Date:
    Observer: David Suddjian
    Location: Harkins Slough