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Walden Reservoir

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Bird List

Updated ~10 seconds ago
194 All Years 75 This Year 2024 54 This Month May 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (54)

  1. Canada Goose Branta canadensis
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  2. Blue-winged Teal Spatula discors
    # Count: 2
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  3. Cinnamon Teal Spatula cyanoptera
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  4. Northern Shoveler Spatula clypeata
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  5. Gadwall Mareca strepera
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  6. Redhead Aythya americana
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  7. Lesser Scaup Aythya affinis
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  8. Bufflehead Bucephala albeola
    # Count: 4
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  9. Pied-billed Grebe Podilymbus podiceps
    # Count: 4
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  10. Eared Grebe Podiceps nigricollis
    # Count: 35
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  11. Western Grebe Aechmophorus occidentalis
    # Count: 15
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  12. American Coot Fulica americana
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  13. American Avocet Recurvirostra americana
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  14. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  15. Semipalmated Plover Charadrius semipalmatus
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  16. Marbled Godwit Limosa fedoa
    # Count: 4
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  17. Wilson's Phalarope Phalaropus tricolor
    # Count: 6
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  18. Lesser Yellowlegs Tringa flavipes
    # Count: 3
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  19. Willet Tringa semipalmata
    # Count: 4
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  20. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  21. California Gull Larus californicus
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  22. Double-crested Cormorant Nannopterum auritum
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  23. American White Pelican Pelecanus erythrorhynchos
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  24. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  25. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  26. Western Cattle Egret Bubulcus ibis
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  27. Great Blue Heron Ardea herodias
    # Count: 4
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  28. White-faced Ibis Plegadis chihi
    # Count: 14
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  29. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  30. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  31. Swainson's Hawk Buteo swainsoni
    # Count: 2
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  32. Black-billed Magpie Pica hudsonia
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  33. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  34. Bank Swallow Riparia riparia
    # Count: 3
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  35. Tree Swallow Tachycineta bicolor
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  36. Barn Swallow Hirundo rustica
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  37. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  38. European Starling Sturnus vulgaris
    # Count: 4
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  39. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 5
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  40. Red-winged Blackbird Agelaius phoeniceus
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  41. Brewer's Blackbird Euphagus cyanocephalus
    # Count: X
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  42. Yellow-rumped Warbler Setophaga coronata
    # Count: 1
    Date:
    Observer: Steve Barlow
    Location: Walden Reservoir
  43. Ring-necked Duck Aythya collaris
    # Count: 2
    Date:
    Observer: Merijn van den Bosch
    Location: Walden Reservoir
  44. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 1
    Date:
    Observer: Merijn van den Bosch
    Location: Walden Reservoir
  45. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Merijn van den Bosch
    Location: Walden Reservoir
  46. Western Meadowlark Sturnella neglecta
    # Count: 1
    Date:
    Observer: Merijn van den Bosch
    Location: Walden Reservoir
  47. Mallard Anas platyrhynchos
    # Count: 4
    Date:
    Observer: Nick Komar
    Location: Walden Reservoir
  48. Canvasback Aythya valisineria
    # Count: 2
    Date:
    Observer: Nick Komar
    Location: Walden Reservoir
  49. Common Merganser Mergus merganser
    # Count: 2
    Date:
    Observer: Nick Komar
    Location: Walden Reservoir
  50. Ruddy Duck Oxyura jamaicensis
    # Count: 50
    Date:
    Observer: Nick Komar
    Location: Walden Reservoir
  51. Spotted Sandpiper Actitis macularius
    # Count: 2
    Date:
    Observer: Nick Komar
    Location: Walden Reservoir
  52. Forster's Tern Sterna forsteri
    # Count: 2
    Date:
    Observer: Nick Komar
    Location: Walden Reservoir
  53. Horned Lark Eremophila alpestris
    # Count: 6
    Date:
    Observer: Nick Komar
    Location: Walden Reservoir
  54. Lark Sparrow Chondestes grammacus
    # Count: 3
    Date:
    Observer: Nick Komar
    Location: Walden Reservoir