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Bird List

Updated ~9 seconds ago
169 All Years 97 This Year 2024 0 This Month Jul 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (169)

  1. Greater Scaup Aythya marila
    # Count: 13,700
    Date:
    Observer: David Suddjian
    Location: Foster City Shell Bar
  2. Western Sandpiper Calidris mauri
    # Count: 10,000
    Date:
    Observer: Daria/Alex Sorokin(a)
    Location: Foster City Shell Bar
  3. Dunlin Calidris alpina
    # Count: 6860
    Date:
    Observer: David Suddjian
    Location: Foster City Shell Bar
  4. Willet Tringa semipalmata
    # Count: 5000
    Date:
    Observer: George Chrisman
    Location: Foster City Shell Bar
  5. Marbled Godwit Limosa fedoa
    # Count: 3000
    Date:
    Observer: Daria/Alex Sorokin(a)
    Location: Foster City Shell Bar
  6. Black-bellied Plover Pluvialis squatarola
    # Count: 2000
    Date:
    Observer: Daria/Alex Sorokin(a)
    Location: Foster City Shell Bar
  7. Lesser Scaup Aythya affinis
    # Count: 1700
    Date:
    Observer: Joseph Kurtz
    Location: Foster City Shell Bar
  8. Surf Scoter Melanitta perspicillata
    # Count: 1500
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  9. Least Sandpiper Calidris minutilla
    # Count: 1500
    Date:
    Observer: Courtney Kelly Jett
    Location: Foster City Shell Bar
  10. Red Knot Calidris canutus
    # Count: 1205
    Date:
    Observer: Karl Bardon
    Location: Foster City Shell Bar
  11. Short-billed Dowitcher Limnodromus griseus
    # Count: 1000
    Date:
    Observer: lee rudin
    Location: Foster City Shell Bar
  12. American Avocet Recurvirostra americana
    # Count: 900
    Date:
    Observer: Alvaro Jaramillo
    Location: Foster City Shell Bar
  13. Bufflehead Bucephala albeola
    # Count: 800
    Date:
    Observer: Robert Furrow
    Location: Foster City Shell Bar
  14. Western Grebe Aechmophorus occidentalis
    # Count: 735
    Date:
    Observer: David Suddjian
    Location: Foster City Shell Bar
  15. Forster's Tern Sterna forsteri
    # Count: 600
    Date:
    Observer: Naomi Goodman
    Location: Foster City Shell Bar
  16. Semipalmated Plover Charadrius semipalmatus
    # Count: 510
    Date:
    Observer: Karl Bardon
    Location: Foster City Shell Bar
  17. Ruddy Duck Oxyura jamaicensis
    # Count: 500
    Date:
    Observer: Bruce Mast
    Location: Foster City Shell Bar
  18. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 500
    Date:
    Observer: Laurie Graham
    Location: Foster City Shell Bar
  19. Northern Shoveler Spatula clypeata
    # Count: 325
    Date:
    Observer: Leslie Flint
    Location: Foster City Shell Bar
  20. Canvasback Aythya valisineria
    # Count: 300
    Date:
    Observer: Joshua Stacy
    Location: Foster City Shell Bar
  21. Common Goldeneye Bucephala clangula
    # Count: 300
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  22. Ring-billed Gull Larus delawarensis
    # Count: 300
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  23. California Gull Larus californicus
    # Count: 300
    Date:
    Observer: Troy Pittock
    Location: Foster City Shell Bar
  24. Double-crested Cormorant Nannopterum auritum
    # Count: 300
    Date:
    Observer: Bruce Mast
    Location: Foster City Shell Bar
  25. Brown Pelican Pelecanus occidentalis
    # Count: 300
    Date:
    Observer: Michael Long
    Location: Foster City Shell Bar
  26. Rock Pigeon Columba livia
    # Count: 250
    Date:
    Observer: Karl Bardon
    Location: Foster City Shell Bar
  27. Black Skimmer Rynchops niger
    # Count: 216
    Date:
    Observer: Marty Freeland
    Location: Foster City Shell Bar
  28. Green-winged Teal Anas crecca
    # Count: 200
    Date:
    Observer: George Chrisman
    Location: Foster City Shell Bar
  29. Long-billed Curlew Numenius americanus
    # Count: 200
    Date:
    Observer: Stephan Pleines
    Location: Foster City Shell Bar
  30. Short-billed Gull Larus brachyrhynchus
    # Count: 200
    Date:
    Observer: George Chrisman
    Location: Foster City Shell Bar
  31. Elegant Tern Thalasseus elegans
    # Count: 200
    Date:
    Observer: Roberta Manian 🐥
    Location: Foster City Shell Bar
  32. American Wigeon Mareca americana
    # Count: 153
    Date:
    Observer: Bob Dunn
    Location: Foster City Shell Bar
  33. Sanderling Calidris alba
    # Count: 125
    Date:
    Observer: John Hendrickson
    Location: Foster City Shell Bar
  34. Canada Goose Branta canadensis
    # Count: 100
    Date:
    Observer: Daria/Alex Sorokin(a)
    Location: Foster City Shell Bar
  35. Northern Pintail Anas acuta
    # Count: 100
    Date:
    Observer: Stephan Pleines
    Location: Foster City Shell Bar
  36. American Coot Fulica americana
    # Count: 100
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  37. Western Gull Larus occidentalis
    # Count: 100
    Date:
    Observer: Tim Lenz
    Location: Foster City Shell Bar
  38. Glaucous-winged Gull Larus glaucescens
    # Count: 100
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  39. American Crow Corvus brachyrhynchos
    # Count: 100
    Date:
    Observer: Gray Gallogly Records
    Location: Foster City Shell Bar
  40. American Pipit Anthus rubescens
    # Count: 100
    Date:
    Observer: Adam Dudley
    Location: Foster City Shell Bar
  41. Mallard Anas platyrhynchos
    # Count: 71
    Date:
    Observer: Barbara Harrington
    Location: Foster City Shell Bar
  42. Black Turnstone Arenaria melanocephala
    # Count: 70
    Date:
    Observer: Josh McLaughlin
    Location: Foster City Shell Bar
  43. Clark's Grebe Aechmophorus clarkii
    # Count: 65
    Date:
    Observer: George Chrisman
    Location: Foster City Shell Bar
  44. European Starling Sturnus vulgaris
    # Count: 50
    Date:
    Observer: Lee-Hong Chang
    Location: Foster City Shell Bar
  45. House Sparrow Passer domesticus
    # Count: 50
    Date:
    Observer: Michael Park
    Location: Foster City Shell Bar
  46. Red-breasted Merganser Mergus serrator
    # Count: 45
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  47. Eared Grebe Podiceps nigricollis
    # Count: 45
    Date:
    Observer: David Nickerson
    Location: Foster City Shell Bar
  48. Snowy Egret Egretta thula
    # Count: 45
    Date:
    Observer: Shantanu Phukan
    Location: Foster City Shell Bar
  49. Western Meadowlark Sturnella neglecta
    # Count: 38
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  50. Surfbird Calidris virgata
    # Count: 35
    Date:
    Observer: Dana Bangs
    Location: Foster City Shell Bar
  51. House Finch Haemorhous mexicanus
    # Count: 35
    Date:
    Observer: Mark Kudrav
    Location: Foster City Shell Bar
  52. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 35
    Date:
    Observer: Aaron Maizlish
    Location: Foster City Shell Bar
  53. Snowy Plover Anarhynchus nivosus
    # Count: 33
    Date:
    Observer: Peter Metropulos
    Location: Foster City Shell Bar
  54. Horned Grebe Podiceps auritus
    # Count: 30
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  55. Black Phoebe Sayornis nigricans
    # Count: 30
    Date:
    Observer: George Chrisman
    Location: Foster City Shell Bar
  56. Cedar Waxwing Bombycilla cedrorum
    # Count: 30
    Date:
    Observer: Greta Dimitrova
    Location: Foster City Shell Bar
  57. Killdeer Charadrius vociferus
    # Count: 28
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  58. Whimbrel Numenius phaeopus
    # Count: 25
    Date:
    Observer: Jeff Roisman
    Location: Foster City Shell Bar
  59. Savannah Sparrow Passerculus sandwichensis
    # Count: 25
    Date:
    Observer: Aaron Maizlish
    Location: Foster City Shell Bar
  60. Lesser Goldfinch Spinus psaltria
    # Count: 23
    Date:
    Observer: David Assmann
    Location: Foster City Shell Bar
  61. Yellow-rumped Warbler Setophaga coronata
    # Count: 22
    Date:
    Observer: Mike Charest
    Location: Foster City Shell Bar
  62. Hooded Merganser Lophodytes cucullatus
    # Count: 20
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  63. Black-necked Stilt Himantopus mexicanus
    # Count: 20
    Date:
    Observer: Joshua Stacy
    Location: Foster City Shell Bar
  64. Ruddy Turnstone Arenaria interpres
    # Count: 20
    Date:
    Observer: Pingang Wang
    Location: Foster City Shell Bar
  65. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 20
    Date:
    Observer: Gray Gallogly Records
    Location: Foster City Shell Bar
  66. Herring Gull Larus argentatus
    # Count: 20
    Date:
    Observer: Sarah Chan
    Location: Foster City Shell Bar
  67. Caspian Tern Hydroprogne caspia
    # Count: 20
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  68. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 20
    Date:
    Observer: Adam Dudley
    Location: Foster City Shell Bar
  69. Red-winged Blackbird Agelaius phoeniceus
    # Count: 20
    Date:
    Observer: Alvaro Jaramillo
    Location: Foster City Shell Bar
  70. Bushtit Psaltriparus minimus
    # Count: 16
    Date:
    Observer: Chris O'Connell
    Location: Foster City Shell Bar
  71. Barrow's Goldeneye Bucephala islandica
    # Count: 15
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  72. Pied-billed Grebe Podilymbus podiceps
    # Count: 15
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  73. Greater Yellowlegs Tringa melanoleuca
    # Count: 15
    Date:
    Observer: Tom Duncan
    Location: Foster City Shell Bar
  74. American White Pelican Pelecanus erythrorhynchos
    # Count: 15
    Date:
    Observer: Bradley Hacker 🦜
    Location: Foster City Shell Bar
  75. Great Blue Heron Ardea herodias
    # Count: 15
    Date:
    Observer: John Hendrickson
    Location: Foster City Shell Bar
  76. Common Raven Corvus corax
    # Count: 15
    Date:
    Observer: Barbara Coll
    Location: Foster City Shell Bar
  77. Barn Swallow Hirundo rustica
    # Count: 15
    Date:
    Observer: Alane Gray
    Location: Foster City Shell Bar
  78. Mourning Dove Zenaida macroura
    # Count: 12
    Date:
    Observer: Alvaro Jaramillo
    Location: Foster City Shell Bar
  79. Spotted Sandpiper Actitis macularius
    # Count: 12
    Date:
    Observer: David Assmann
    Location: Foster City Shell Bar
  80. Great Egret Ardea alba
    # Count: 12
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  81. Song Sparrow Melospiza melodia
    # Count: 12
    Date:
    Observer: Alvaro Jaramillo
    Location: Foster City Shell Bar
  82. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 12
    Date:
    Observer: Chris Hayward
    Location: Foster City Shell Bar
  83. Violet-green Swallow Tachycineta thalassina
    # Count: 10
    Date:
    Observer: Courtney Kelly Jett
    Location: Foster City Shell Bar
  84. American Goldfinch Spinus tristis
    # Count: 10
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  85. Redhead Aythya americana
    # Count: 8
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  86. Turkey Vulture Cathartes aura
    # Count: 7
    Date:
    Observer: Daria/Alex Sorokin(a)
    Location: Foster City Shell Bar
  87. Cinnamon Teal Spatula cyanoptera
    # Count: 6
    Date:
    Observer: Gil Ewing
    Location: Foster City Shell Bar
  88. White-winged Scoter Melanitta deglandi
    # Count: 6
    Date:
    Observer: Dan Murphy
    Location: Foster City Shell Bar
  89. Least Tern Sternula antillarum
    # Count: 6
    Date:
    Observer: Alvaro Jaramillo
    Location: Foster City Shell Bar
  90. Pelagic Cormorant Urile pelagicus
    # Count: 6
    Date:
    Observer: Tim Lenz
    Location: Foster City Shell Bar
  91. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 5
    Date:
    Observer: Virginia McManus
    Location: Foster City Shell Bar
  92. Anna's Hummingbird Calypte anna
    # Count: 5
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  93. Chestnut-backed Chickadee Poecile rufescens
    # Count: 5
    Date:
    Observer: Cédric Duhalde
    Location: Foster City Shell Bar
  94. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 5
    Date:
    Observer: Virginia McManus
    Location: Foster City Shell Bar
  95. American Robin Turdus migratorius
    # Count: 5
    Date:
    Observer: Roberta Manian 🐥
    Location: Foster City Shell Bar
  96. Brown-headed Cowbird Molothrus ater
    # Count: 5
    Date:
    Observer: Ken Schneider
    Location: Foster City Shell Bar
  97. Cackling Goose Branta hutchinsii
    # Count: 4
    Date:
    Observer: Soham Mehta
    Location: Foster City Shell Bar
  98. Gadwall Mareca strepera
    # Count: 4
    Date:
    Observer: John Hendrickson
    Location: Foster City Shell Bar
  99. White-tailed Kite Elanus leucurus
    # Count: 4
    Date:
    Observer: Adam Dudley
    Location: Foster City Shell Bar
  100. Red-shouldered Hawk Buteo lineatus
    # Count: 4
    Date:
    Observer: George Chrisman
    Location: Foster City Shell Bar
  101. Black Oystercatcher Haematopus bachmani
    # Count: 3
    Date:
    Observer: Brad Rangell
    Location: Foster City Shell Bar
  102. Northern Harrier Circus hudsonius
    # Count: 3
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  103. Say's Phoebe Sayornis saya
    # Count: 3
    Date:
    Observer: Aaron Maizlish
    Location: Foster City Shell Bar
  104. Ruby-crowned Kinglet Corthylio calendula
    # Count: 3
    Date:
    Observer: Armin Adly
    Location: Foster City Shell Bar
  105. Bewick's Wren Thryomanes bewickii
    # Count: 3
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  106. Dark-eyed Junco Junco hyemalis
    # Count: 3
    Date:
    Observer: Courtney Kelly Jett
    Location: Foster City Shell Bar
  107. Hooded Oriole Icterus cucullatus
    # Count: 3
    Date:
    Observer: Robert Furrow
    Location: Foster City Shell Bar
  108. Snow Goose Anser caerulescens
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  109. Red-necked Grebe Podiceps grisegena
    # Count: 2
    Date:
    Observer: Rudyard Wallen
    Location: Foster City Shell Bar
  110. Band-tailed Pigeon Patagioenas fasciata
    # Count: 2
    Date:
    Observer: Matt Lau
    Location: Foster City Shell Bar
  111. Pacific Golden-Plover Pluvialis fulva
    # Count: 2
    Date:
    Observer: Robert Furrow
    Location: Foster City Shell Bar
  112. Lesser Yellowlegs Tringa flavipes
    # Count: 2
    Date:
    Observer: Tom Duncan
    Location: Foster City Shell Bar
  113. Heermann's Gull Larus heermanni
    # Count: 2
    Date:
    Observer: Travis B. Poitras
    Location: Foster City Shell Bar
  114. Iceland Gull Larus glaucoides
    # Count: 2
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  115. Osprey Pandion haliaetus
    # Count: 2
    Date:
    Observer: Tobias Rohmer
    Location: Foster City Shell Bar
  116. Red-tailed Hawk Buteo jamaicensis
    # Count: 2
    Date:
    Observer: Robert Furrow
    Location: Foster City Shell Bar
  117. Peregrine Falcon Falco peregrinus
    # Count: 2
    Date:
    Observer: Matthew Wong
    Location: Foster City Shell Bar
  118. Tree Swallow Tachycineta bicolor
    # Count: 2
    Date:
    Observer: Eddie Bartley
    Location: Foster City Shell Bar
  119. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 2
    Date:
    Observer: John Hendrickson
    Location: Foster City Shell Bar
  120. Marsh Wren Cistothorus palustris
    # Count: 2
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  121. Northern Mockingbird Mimus polyglottos
    # Count: 2
    Date:
    Observer: Mandy Talpas -Hawaii Bird Tours
    Location: Foster City Shell Bar
  122. Western Bluebird Sialia mexicana
    # Count: 2
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  123. California Towhee Melozone crissalis
    # Count: 2
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  124. Common Yellowthroat Geothlypis trichas
    # Count: 2
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  125. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: karen pinckard
    Location: Foster City Shell Bar
  126. Brant Branta bernicla
    # Count: 1
    Date:
    Observer: Francis Toldi
    Location: Foster City Shell Bar
  127. Wood Duck Aix sponsa
    # Count: 1
    Date:
    Observer: Sequoia Audubon Data
    Location: Foster City Shell Bar
  128. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Alvaro Jaramillo
    Location: Foster City Shell Bar
  129. Tufted Duck Aythya fuligula
    # Count: 1
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  130. Long-tailed Duck Clangula hyemalis
    # Count: 1
    Date:
    Observer: Rich Ferrick
    Location: Foster City Shell Bar
  131. California Quail Callipepla californica
    # Count: 1
    Date:
    Observer: Dan Murphy
    Location: Foster City Shell Bar
  132. Red-necked Phalarope Phalaropus lobatus
    # Count: 1
    Date:
    Observer: Jay Bolden
    Location: Foster City Shell Bar
  133. Wandering Tattler Tringa incana
    # Count: 1
    Date:
    Observer: Janet Tashjian Hanson
    Location: Foster City Shell Bar
  134. Baird's Sandpiper Calidris bairdii
    # Count: 1
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  135. Semipalmated Sandpiper Calidris pusilla
    # Count: 1
    Date:
    Observer: George Chrisman
    Location: Foster City Shell Bar
  136. Parasitic Jaeger Stercorarius parasiticus
    # Count: 1
    Date:
    Observer: Jasen Liu
    Location: Foster City Shell Bar
  137. Common Murre Uria aalge
    # Count: 1
    Date:
    Observer: Rich Ferrick
    Location: Foster City Shell Bar
  138. Black Tern Chlidonias niger
    # Count: 1
    Date:
    Observer: George Chrisman
    Location: Foster City Shell Bar
  139. Common Tern Sterna hirundo
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  140. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  141. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Garrett Lau
    Location: Foster City Shell Bar
  142. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Cédric Duhalde
    Location: Foster City Shell Bar
  143. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Karl Bardon
    Location: Foster City Shell Bar
  144. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: John Scharpen
    Location: Foster City Shell Bar
  145. Burrowing Owl Athene cunicularia
    # Count: 1
    Date:
    Observer: Jari Toivanen
    Location: Foster City Shell Bar
  146. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Jim Austin-Cole
    Location: Foster City Shell Bar
  147. Nuttall's Woodpecker Dryobates nuttallii
    # Count: 1
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  148. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Carol Greenstreet
    Location: Foster City Shell Bar
  149. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  150. Tropical Kingbird Tyrannus melancholicus
    # Count: 1
    Date:
    Observer: Richard Jeffers
    Location: Foster City Shell Bar
  151. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Francis Toldi
    Location: Foster City Shell Bar
  152. California Scrub-Jay Aphelocoma californica
    # Count: 1
    Date:
    Observer: Augie Kramer
    Location: Foster City Shell Bar
  153. Oak Titmouse Baeolophus inornatus
    # Count: 1
    Date:
    Observer: Ginny Marshall
    Location: Foster City Shell Bar
  154. Rock Wren Salpinctes obsoletus
    # Count: 1
    Date:
    Observer: Kathe Goria-Hendrickson
    Location: Foster City Shell Bar
  155. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Courtney Kelly Jett
    Location: Foster City Shell Bar
  156. Varied Thrush Ixoreus naevius
    # Count: 1
    Date:
    Observer: Leslie Flint
    Location: Foster City Shell Bar
  157. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Calen Randall
    Location: Foster City Shell Bar
  158. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: David Assmann
    Location: Foster City Shell Bar
  159. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Garth Harwood
    Location: Foster City Shell Bar
  160. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: I'm Birding Right Now (Teresa & Miles Tuffli)
    Location: Foster City Shell Bar
  161. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Cédric Duhalde
    Location: Foster City Shell Bar
  162. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  163. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Leslie Flint
    Location: Foster City Shell Bar
  164. Ring-necked Duck Aythya collaris
    # Count: X
    Date:
    Observer: Richard Trinkner
    Location: Foster City Shell Bar
  165. Common Merganser Mergus merganser
    # Count: X
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  166. Ridgway's Rail Rallus obsoletus
    # Count: X
    Date:
    Observer: Richard Trinkner
    Location: Foster City Shell Bar
  167. Red Phalarope Phalaropus fulicarius
    # Count: X
    Date:
    Observer: Richard Trinkner
    Location: Foster City Shell Bar
  168. Green Heron Butorides virescens
    # Count: X
    Date:
    Observer: Geary Ridings
    Location: Foster City Shell Bar
  169. Northern Flicker Colaptes auratus
    # Count: X
    Date:
    Observer: Richard Trinkner
    Location: Foster City Shell Bar

Hybrids (2)

  1. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    # Count: 8
    Date:
    Observer: Alvaro Jaramillo
    Location: Foster City Shell Bar
  2. Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescens
    # Count: 1
    Date:
    Observer: Marty Freeland
    Location: Foster City Shell Bar

Additional Taxa (28)

  1. peep sp. Calidris sp. (peep sp.)
    # Count: 25,000
    Date:
    Observer: Dominik Mosur
    Location: Foster City Shell Bar
  2. shorebird sp. Charadriiformes sp.
    # Count: 10,000
    Date:
    Observer: Calen Randall
    Location: Foster City Shell Bar
  3. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 5000
    Date:
    Observer: Andrew Kratter
    Location: Foster City Shell Bar
  4. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 3000
    Date:
    Observer: Cédric Duhalde
    Location: Foster City Shell Bar
  5. duck sp. Anatidae (duck sp.)
    # Count: 1100
    Date:
    Observer: Gregory Luckert
    Location: Foster City Shell Bar
  6. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 600
    Date:
    Observer: Robert Furrow
    Location: Foster City Shell Bar
  7. gull sp. Larinae sp.
    # Count: 600
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  8. cormorant sp. Phalacrocoracidae sp.
    # Count: 200
    Date:
    Observer: Roberta Manian 🐥
    Location: Foster City Shell Bar
  9. Larus sp. Larus sp.
    # Count: 150
    Date:
    Observer: Courtney Kelly Jett
    Location: Foster City Shell Bar
  10. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 20
    Date:
    Observer: Virginia McManus
    Location: Foster City Shell Bar
  11. scoter sp. Melanitta sp.
    # Count: 15
    Date:
    Observer: Augie Kramer
    Location: Foster City Shell Bar
  12. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 5
    Date:
    Observer: Sarah Mueller
    Location: Foster City Shell Bar
  13. tern sp. Sterninae sp.
    # Count: 5
    Date:
    Observer: Sergey Pavlov
    Location: Foster City Shell Bar
  14. swallow sp. Hirundinidae sp.
    # Count: 5
    Date:
    Observer: Courtney Kelly Jett
    Location: Foster City Shell Bar
  15. passerine sp. Passeriformes sp.
    # Count: 5
    Date:
    Observer: Courtney Kelly Jett
    Location: Foster City Shell Bar
  16. new world sparrow sp. Passerellidae sp.
    # Count: 3
    Date:
    Observer: Caitlin Chock
    Location: Foster City Shell Bar
  17. crow/raven sp. Corvus sp.
    # Count: 2
    Date:
    Observer: Scott Kaiser
    Location: Foster City Shell Bar
  18. blackbird sp. Icteridae sp.
    # Count: 2
    Date:
    Observer: Courtney Kelly Jett
    Location: Foster City Shell Bar
  19. Common/Barrow's Goldeneye Bucephala clangula/islandica
    # Count: 1
    Date:
    Observer: John Perry
    Location: Foster City Shell Bar
  20. grebe sp. Podicipedidae sp.
    # Count: 1
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  21. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Karl Bardon
    Location: Foster City Shell Bar
  22. American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulva
    # Count: 1
    Date:
    Observer: Courtney Kelly Jett
    Location: Foster City Shell Bar
  23. small plover sp. Charadrius/Anarhynchus sp.
    # Count: 1
    Date:
    Observer: Courtney Kelly Jett
    Location: Foster City Shell Bar
  24. loon sp. Gavia sp.
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: Foster City Shell Bar
  25. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Michael Pang
    Location: Foster City Shell Bar
  26. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  27. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  28. Lazuli/Indigo Bunting Passerina amoena/cyanea
    # Count: 1
    Date:
    Observer: Adam Dudley
    Location: Foster City Shell Bar