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Bird List

Updated ~8 seconds ago
194 All Years 96 This Year 2024 68 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (68)

  1. Violet-green Swallow Tachycineta thalassina
    # Count: X
    Date:
    Observer: Heidi Burgess
    Location: Walden Reservoir
  2. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 2
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  3. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  4. Bank Swallow Riparia riparia
    # Count: 4
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  5. Greater Sage-Grouse Centrocercus urophasianus
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  6. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  7. Horned Lark Eremophila alpestris
    # Count: 30
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  8. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  9. Mourning Dove Zenaida macroura
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  10. Swainson's Hawk Buteo swainsoni
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  11. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  12. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  13. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  14. European Starling Sturnus vulgaris
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  15. Western Meadowlark Sturnella neglecta
    # Count: 1
    Date:
    Observer: Kevin Molloy
    Location: Walden Reservoir
  16. Cinnamon Teal Spatula cyanoptera
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir
  17. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir
  18. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: Tyler Wilson
    Location: Walden Reservoir
  19. Mallard Anas platyrhynchos
    # Count: 6
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  20. Ring-necked Duck Aythya collaris
    # Count: 8
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  21. Clark's Grebe Aechmophorus clarkii
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  22. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  23. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  24. Franklin's Gull Leucophaeus pipixcan
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  25. Turkey Vulture Cathartes aura
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  26. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  27. Black-billed Magpie Pica hudsonia
    # Count: 2
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  28. Tree Swallow Tachycineta bicolor
    # Count: 90
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  29. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: Noah Brinkman
    Location: Walden Reservoir
  30. American Wigeon Mareca americana
    # Count: 4
    Date:
    Observer: Nicole Holmes
    Location: Walden Reservoir
  31. American Avocet Recurvirostra americana
    # Count: 2
    Date:
    Observer: Nicole Holmes
    Location: Walden Reservoir
  32. Common Raven Corvus corax
    # Count: 2
    Date:
    Observer: Nicole Holmes
    Location: Walden Reservoir
  33. Sage Thrasher Oreoscoptes montanus
    # Count: 1
    Date:
    Observer: Nicole Holmes
    Location: Walden Reservoir
  34. House Sparrow Passer domesticus
    # Count: 1
    Date:
    Observer: Nicole Holmes
    Location: Walden Reservoir
  35. Red-winged Blackbird Agelaius phoeniceus
    # Count: 2
    Date:
    Observer: Nicole Holmes
    Location: Walden Reservoir
  36. Canada Goose Branta canadensis
    # Count: 200
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  37. Blue-winged Teal Spatula discors
    # Count: 1
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  38. Northern Shoveler Spatula clypeata
    # Count: 2
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  39. Gadwall Mareca strepera
    # Count: 18
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  40. Canvasback Aythya valisineria
    # Count: 8
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  41. Redhead Aythya americana
    # Count: 12
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  42. Lesser Scaup Aythya affinis
    # Count: 8
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  43. Common Merganser Mergus merganser
    # Count: 1
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  44. Ruddy Duck Oxyura jamaicensis
    # Count: 12
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  45. Pied-billed Grebe Podilymbus podiceps
    # Count: 2
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  46. Eared Grebe Podiceps nigricollis
    # Count: 200
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  47. Western Grebe Aechmophorus occidentalis
    # Count: 75
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  48. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  49. American Coot Fulica americana
    # Count: 65
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  50. Wilson's Phalarope Phalaropus tricolor
    # Count: 2
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  51. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  52. California Gull Larus californicus
    # Count: 125
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  53. Forster's Tern Sterna forsteri
    # Count: 3
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  54. Double-crested Cormorant Nannopterum auritum
    # Count: 120
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  55. American White Pelican Pelecanus erythrorhynchos
    # Count: 135
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  56. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 2
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  57. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  58. Great Blue Heron Ardea herodias
    # Count: 11
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  59. American Crow Corvus brachyrhynchos
    # Count: 3
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  60. Barn Swallow Hirundo rustica
    # Count: 3
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  61. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 14
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  62. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  63. American Robin Turdus migratorius
    # Count: 1
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  64. Brewer's Sparrow Spizella breweri
    # Count: 3
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  65. Savannah Sparrow Passerculus sandwichensis
    # Count: 2
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  66. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  67. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 5
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir
  68. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 3
    Date:
    Observer: michael kiessig
    Location: Walden Reservoir

Additional Taxa (3)

  1. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 1
    Date:
    Observer: Angelo DelloMargio
    Location: Walden Reservoir
  2. Mallard/Mexican Duck Anas platyrhynchos/diazi
    # Count: 1
    Date:
    Observer: Nicole Holmes
    Location: Walden Reservoir
  3. swallow sp. Hirundinidae sp.
    # Count: 50
    Date:
    Observer: Nicole Holmes
    Location: Walden Reservoir