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Hayward Regional Shoreline--Cogswell Marsh

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Bird List

Updated ~5 seconds ago
163 All Years 77 This Year 2024 37 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (37)

  1. Canada Goose Branta canadensis
    # Count: 30
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  2. Gadwall Mareca strepera
    # Count: 4
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  3. Mallard Anas platyrhynchos
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  4. Ruddy Duck Oxyura jamaicensis
    # Count: 2
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  5. Wild Turkey Meleagris gallopavo
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  6. Eared Grebe Podiceps nigricollis
    # Count: 2
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  7. Rock Pigeon Columba livia
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  8. Black-necked Stilt Himantopus mexicanus
    # Count: 13
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  9. American Avocet Recurvirostra americana
    # Count: 5
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  10. Long-billed Curlew Numenius americanus
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  11. Greater Yellowlegs Tringa melanoleuca
    # Count: 2
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  12. Western Gull Larus occidentalis
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  13. Black Skimmer Rynchops niger
    # Count: 2
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  14. Least Tern Sternula antillarum
    # Count: 3
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  15. Forster's Tern Sterna forsteri
    # Count: 5
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  16. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  17. American White Pelican Pelecanus erythrorhynchos
    # Count: 120
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  18. Snowy Egret Egretta thula
    # Count: 2
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  19. Turkey Vulture Cathartes aura
    # Count: 2
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  20. American Crow Corvus brachyrhynchos
    # Count: 2
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  21. Tree Swallow Tachycineta bicolor
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  22. Barn Swallow Hirundo rustica
    # Count: 5
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  23. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  24. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  25. House Sparrow Passer domesticus
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  26. House Finch Haemorhous mexicanus
    # Count: 2
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  27. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  28. California Towhee Melozone crissalis
    # Count: 2
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  29. Red-winged Blackbird Agelaius phoeniceus
    # Count: 101
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  30. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  31. California Gull Larus californicus
    # Count: 2
    Date:
    Observer: Cristian Orellana
    Location: Hayward Regional Shoreline--Cogswell Marsh
  32. Caspian Tern Hydroprogne caspia
    # Count: 4
    Date:
    Observer: Cristian Orellana
    Location: Hayward Regional Shoreline--Cogswell Marsh
  33. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Cristian Orellana
    Location: Hayward Regional Shoreline--Cogswell Marsh
  34. White-tailed Kite Elanus leucurus
    # Count: 1
    Date:
    Observer: Cristian Orellana
    Location: Hayward Regional Shoreline--Cogswell Marsh
  35. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Cristian Orellana
    Location: Hayward Regional Shoreline--Cogswell Marsh
  36. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Cristian Orellana
    Location: Hayward Regional Shoreline--Cogswell Marsh
  37. Savannah Sparrow Passerculus sandwichensis
    # Count: 5
    Date:
    Observer: Cristian Orellana
    Location: Hayward Regional Shoreline--Cogswell Marsh

Additional Taxa (6)

  1. duck sp. Anatidae (duck sp.)
    # Count: 4
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  2. gull sp. Larinae sp.
    # Count: 10
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  3. tern sp. Sterninae sp.
    # Count: 20
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  4. cormorant sp. Phalacrocoracidae sp.
    # Count: 1
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  5. swallow sp. Hirundinidae sp.
    # Count: 50
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh
  6. new world sparrow sp. Passerellidae sp.
    # Count: 2
    Date:
    Observer: BreeAnn Crofts
    Location: Hayward Regional Shoreline--Cogswell Marsh