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Bird List

Updated ~5 seconds ago
169 All Years 97 This Year 2024 18 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (97)

  1. Western Sandpiper Calidris mauri
    # Count: 5000
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  2. Willet Tringa semipalmata
    # Count: 2000
    Date:
    Observer: Tom Duncan
    Location: Foster City Shell Bar
  3. Dunlin Calidris alpina
    # Count: 2000
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  4. Marbled Godwit Limosa fedoa
    # Count: 1000
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  5. Least Sandpiper Calidris minutilla
    # Count: 1000
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  6. Short-billed Dowitcher Limnodromus griseus
    # Count: 500
    Date:
    Observer: logan kahle
    Location: Foster City Shell Bar
  7. California Gull Larus californicus
    # Count: 300
    Date:
    Observer: Troy Pittock
    Location: Foster City Shell Bar
  8. Black-bellied Plover Pluvialis squatarola
    # Count: 250
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  9. Semipalmated Plover Charadrius semipalmatus
    # Count: 225
    Date:
    Observer: Gregory Luckert
    Location: Foster City Shell Bar
  10. Ring-billed Gull Larus delawarensis
    # Count: 160
    Date:
    Observer: Tom Duncan
    Location: Foster City Shell Bar
  11. Bufflehead Bucephala albeola
    # Count: 150
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  12. Ruddy Duck Oxyura jamaicensis
    # Count: 150
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  13. Black Skimmer Rynchops niger
    # Count: 150
    Date:
    Observer: Donna Pomeroy
    Location: Foster City Shell Bar
  14. Surf Scoter Melanitta perspicillata
    # Count: 120
    Date:
    Observer: Marty Freeland
    Location: Foster City Shell Bar
  15. Lesser Scaup Aythya affinis
    # Count: 100
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  16. Forster's Tern Sterna forsteri
    # Count: 85
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  17. American Avocet Recurvirostra americana
    # Count: 84
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  18. Greater Scaup Aythya marila
    # Count: 80
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  19. Red Knot Calidris canutus
    # Count: 75
    Date:
    Observer: Cédric Duhalde
    Location: Foster City Shell Bar
  20. Short-billed Gull Larus brachyrhynchus
    # Count: 75
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  21. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 60
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  22. Long-billed Curlew Numenius americanus
    # Count: 53
    Date:
    Observer: Tom Duncan
    Location: Foster City Shell Bar
  23. Rock Pigeon Columba livia
    # Count: 50
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  24. Canvasback Aythya valisineria
    # Count: 30
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  25. Western Gull Larus occidentalis
    # Count: 30
    Date:
    Observer: Gregory Luckert
    Location: Foster City Shell Bar
  26. Canada Goose Branta canadensis
    # Count: 26
    Date:
    Observer: Barbara Dye
    Location: Foster City Shell Bar
  27. Glaucous-winged Gull Larus glaucescens
    # Count: 25
    Date:
    Observer: Gregory Luckert
    Location: Foster City Shell Bar
  28. Brown Pelican Pelecanus occidentalis
    # Count: 25
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  29. Lesser Goldfinch Spinus psaltria
    # Count: 23
    Date:
    Observer: David Assmann
    Location: Foster City Shell Bar
  30. Clark's Grebe Aechmophorus clarkii
    # Count: 20
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  31. Snowy Plover Anarhynchus nivosus
    # Count: 20
    Date:
    Observer: Adam Rak
    Location: Foster City Shell Bar
  32. Western Meadowlark Sturnella neglecta
    # Count: 19
    Date:
    Observer: Tom Duncan
    Location: Foster City Shell Bar
  33. American Crow Corvus brachyrhynchos
    # Count: 15
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  34. European Starling Sturnus vulgaris
    # Count: 15
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  35. Common Goldeneye Bucephala clangula
    # Count: 14
    Date:
    Observer: Summer Lee
    Location: Foster City Shell Bar
  36. House Finch Haemorhous mexicanus
    # Count: 14
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  37. Savannah Sparrow Passerculus sandwichensis
    # Count: 14
    Date:
    Observer: Tom Duncan
    Location: Foster City Shell Bar
  38. Whimbrel Numenius phaeopus
    # Count: 10
    Date:
    Observer: Marty Freeland
    Location: Foster City Shell Bar
  39. Sanderling Calidris alba
    # Count: 10
    Date:
    Observer: Romina Bauer
    Location: Foster City Shell Bar
  40. Double-crested Cormorant Nannopterum auritum
    # Count: 10
    Date:
    Observer: Suba S
    Location: Foster City Shell Bar
  41. House Sparrow Passer domesticus
    # Count: 10
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  42. American Wigeon Mareca americana
    # Count: 8
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  43. Killdeer Charadrius vociferus
    # Count: 8
    Date:
    Observer: Anders Price
    Location: Foster City Shell Bar
  44. Black Turnstone Arenaria melanocephala
    # Count: 8
    Date:
    Observer: Travis B. Poitras
    Location: Foster City Shell Bar
  45. Snowy Egret Egretta thula
    # Count: 8
    Date:
    Observer: Adam Rak
    Location: Foster City Shell Bar
  46. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 7
    Date:
    Observer: Alane Gray
    Location: Foster City Shell Bar
  47. Western Grebe Aechmophorus occidentalis
    # Count: 6
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  48. Herring Gull Larus argentatus
    # Count: 6
    Date:
    Observer: Rachel Lawrence
    Location: Foster City Shell Bar
  49. Caspian Tern Hydroprogne caspia
    # Count: 6
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  50. Mallard Anas platyrhynchos
    # Count: 5
    Date:
    Observer: Nolan Hayden
    Location: Foster City Shell Bar
  51. Anna's Hummingbird Calypte anna
    # Count: 5
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  52. Ruddy Turnstone Arenaria interpres
    # Count: 5
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  53. Song Sparrow Melospiza melodia
    # Count: 5
    Date:
    Observer: David Assmann
    Location: Foster City Shell Bar
  54. Northern Shoveler Spatula clypeata
    # Count: 4
    Date:
    Observer: I'm Birding Right Now (Teresa & Miles Tuffli)
    Location: Foster City Shell Bar
  55. Eared Grebe Podiceps nigricollis
    # Count: 4
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  56. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 4
    Date:
    Observer: Marty Freeland
    Location: Foster City Shell Bar
  57. Greater Yellowlegs Tringa melanoleuca
    # Count: 4
    Date:
    Observer: Helen Gong
    Location: Foster City Shell Bar
  58. Elegant Tern Thalasseus elegans
    # Count: 4
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  59. Black Phoebe Sayornis nigricans
    # Count: 4
    Date:
    Observer: Gregory Luckert
    Location: Foster City Shell Bar
  60. Common Raven Corvus corax
    # Count: 4
    Date:
    Observer: Hilary Shipley
    Location: Foster City Shell Bar
  61. Barn Swallow Hirundo rustica
    # Count: 4
    Date:
    Observer: P. S. Lansley
    Location: Foster City Shell Bar
  62. American Pipit Anthus rubescens
    # Count: 4
    Date:
    Observer: David Nickerson
    Location: Foster City Shell Bar
  63. Yellow-rumped Warbler Setophaga coronata
    # Count: 4
    Date:
    Observer: Loni Ye
    Location: Foster City Shell Bar
  64. Mourning Dove Zenaida macroura
    # Count: 3
    Date:
    Observer: Josh McLaughlin
    Location: Foster City Shell Bar
  65. American White Pelican Pelecanus erythrorhynchos
    # Count: 3
    Date:
    Observer: Nolan Hayden
    Location: Foster City Shell Bar
  66. Bushtit Psaltriparus minimus
    # Count: 3
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  67. Green-winged Teal Anas crecca
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  68. Hooded Merganser Lophodytes cucullatus
    # Count: 2
    Date:
    Observer: Eilidh Hall
    Location: Foster City Shell Bar
  69. Horned Grebe Podiceps auritus
    # Count: 2
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  70. Black-necked Stilt Himantopus mexicanus
    # Count: 2
    Date:
    Observer: P. S. Lansley
    Location: Foster City Shell Bar
  71. Black Oystercatcher Haematopus bachmani
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  72. Spotted Sandpiper Actitis macularius
    # Count: 2
    Date:
    Observer: Nolan Hayden
    Location: Foster City Shell Bar
  73. Surfbird Calidris virgata
    # Count: 2
    Date:
    Observer: Alane Gray
    Location: Foster City Shell Bar
  74. Iceland Gull Larus glaucoides
    # Count: 2
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  75. Great Egret Ardea alba
    # Count: 2
    Date:
    Observer: I'm Birding Right Now (Teresa & Miles Tuffli)
    Location: Foster City Shell Bar
  76. Turkey Vulture Cathartes aura
    # Count: 2
    Date:
    Observer: Marty Freeland
    Location: Foster City Shell Bar
  77. Chestnut-backed Chickadee Poecile rufescens
    # Count: 2
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  78. Bewick's Wren Thryomanes bewickii
    # Count: 2
    Date:
    Observer: Rajh 🦅
    Location: Foster City Shell Bar
  79. California Towhee Melozone crissalis
    # Count: 2
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  80. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 2
    Date:
    Observer: Marty Freeland
    Location: Foster City Shell Bar
  81. American Coot Fulica americana
    # Count: 1
    Date:
    Observer: Nolan Hayden
    Location: Foster City Shell Bar
  82. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  83. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Suba S
    Location: Foster City Shell Bar
  84. White-tailed Kite Elanus leucurus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  85. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Suba S
    Location: Foster City Shell Bar
  86. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  87. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Bob Dunn
    Location: Foster City Shell Bar
  88. Burrowing Owl Athene cunicularia
    # Count: 1
    Date:
    Observer: Jari Toivanen
    Location: Foster City Shell Bar
  89. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  90. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: David Assmann
    Location: Foster City Shell Bar
  91. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Foster City Shell Bar
  92. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 1
    Date:
    Observer: P. S. Lansley
    Location: Foster City Shell Bar
  93. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  94. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Tristan Yoo
    Location: Foster City Shell Bar
  95. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: I'm Birding Right Now (Teresa & Miles Tuffli)
    Location: Foster City Shell Bar
  96. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: David Assmann
    Location: Foster City Shell Bar
  97. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: I'm Birding Right Now (Teresa & Miles Tuffli)
    Location: Foster City Shell Bar

Hybrids (2)

  1. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    # Count: 2
    Date:
    Observer: Tristan Yoo
    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 (12)

  1. peep sp. Calidris sp. (peep sp.)
    # Count: 20,000
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  2. shorebird sp. Charadriiformes sp.
    # Count: 1800
    Date:
    Observer: Gregory Luckert
    Location: Foster City Shell Bar
  3. duck sp. Anatidae (duck sp.)
    # Count: 1100
    Date:
    Observer: Gregory Luckert
    Location: Foster City Shell Bar
  4. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 500
    Date:
    Observer: Gregory Luckert
    Location: Foster City Shell Bar
  5. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 200
    Date:
    Observer: Dorian Anderson
    Location: Foster City Shell Bar
  6. gull sp. Larinae sp.
    # Count: 100
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  7. Larus sp. Larus sp.
    # Count: 9
    Date:
    Observer: Anders Price
    Location: Foster City Shell Bar
  8. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 4
    Date:
    Observer: I'm Birding Right Now (Teresa & Miles Tuffli)
    Location: Foster City Shell Bar
  9. cormorant sp. Phalacrocoracidae sp.
    # Count: 3
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  10. grebe sp. Podicipedidae sp.
    # Count: 1
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  11. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar
  12. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Terri Williams
    Location: Foster City Shell Bar