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Bird List

Updated ~4 seconds ago
189 All Years 105 This Year 2024 5 This Month Jul 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (105)

  1. Mallard Anas platyrhynchos
    # Count: 12
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  2. Ring-necked Duck Aythya collaris
    # Count: 10
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  3. Bufflehead Bucephala albeola
    # Count: 2
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  4. Ruddy Duck Oxyura jamaicensis
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  5. Rock Pigeon Columba livia
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  6. American Coot Fulica americana
    # Count: 7
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  7. Double-crested Cormorant Nannopterum auritum
    # Count: 5
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  8. Great Egret Ardea alba
    # Count: 2
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  9. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  10. White-tailed Kite Elanus leucurus
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  11. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  12. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  13. Red-shouldered Hawk Buteo lineatus
    # Count: 2
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  14. Great Horned Owl Bubo virginianus
    # Count: 3
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  15. Acorn Woodpecker Melanerpes formicivorus
    # Count: 10
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  16. Hairy Woodpecker Dryobates villosus
    # Count: 2
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  17. Northern Flicker Colaptes auratus
    # Count: 3
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  18. American Kestrel Falco sparverius
    # Count: 2
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  19. Black Phoebe Sayornis nigricans
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  20. Hutton's Vireo Vireo huttoni
    # Count: 3
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  21. Steller's Jay Cyanocitta stelleri
    # Count: 2
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  22. California Scrub-Jay Aphelocoma californica
    # Count: 7
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  23. American Crow Corvus brachyrhynchos
    # Count: 2
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  24. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  25. Oak Titmouse Baeolophus inornatus
    # Count: 4
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  26. Wrentit Chamaea fasciata
    # Count: 6
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  27. Ruby-crowned Kinglet Corthylio calendula
    # Count: 2
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  28. Bewick's Wren Thryomanes bewickii
    # Count: 3
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  29. European Starling Sturnus vulgaris
    # Count: 45
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  30. California Thrasher Toxostoma redivivum
    # Count: 2
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  31. Western Bluebird Sialia mexicana
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  32. Hermit Thrush Catharus guttatus
    # Count: 3
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  33. American Robin Turdus migratorius
    # Count: 9
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  34. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  35. Purple Finch Haemorhous purpureus
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  36. Lesser Goldfinch Spinus psaltria
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  37. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  38. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 6
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  39. California Towhee Melozone crissalis
    # Count: 2
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  40. Spotted Towhee Pipilo maculatus
    # Count: 7
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  41. Western Meadowlark Sturnella neglecta
    # Count: 4
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  42. Yellow-rumped Warbler Setophaga coronata
    # Count: 3
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  43. Wild Turkey Meleagris gallopavo
    # Count: 1
    Date:
    Observer: Vinayak Hebbagil
    Location: Pearson-Arastradero Preserve
  44. Pied-billed Grebe Podilymbus podiceps
    # Count: 5
    Date:
    Observer: Vinayak Hebbagil
    Location: Pearson-Arastradero Preserve
  45. Anna's Hummingbird Calypte anna
    # Count: 4
    Date:
    Observer: Vinayak Hebbagil
    Location: Pearson-Arastradero Preserve
  46. Turkey Vulture Cathartes aura
    # Count: 10
    Date:
    Observer: Vinayak Hebbagil
    Location: Pearson-Arastradero Preserve
  47. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Vinayak Hebbagil
    Location: Pearson-Arastradero Preserve
  48. Nuttall's Woodpecker Dryobates nuttallii
    # Count: 1
    Date:
    Observer: Vinayak Hebbagil
    Location: Pearson-Arastradero Preserve
  49. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Vinayak Hebbagil
    Location: Pearson-Arastradero Preserve
  50. Bushtit Psaltriparus minimus
    # Count: 5
    Date:
    Observer: Vinayak Hebbagil
    Location: Pearson-Arastradero Preserve
  51. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Vinayak Hebbagil
    Location: Pearson-Arastradero Preserve
  52. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 3
    Date:
    Observer: Vinayak Hebbagil
    Location: Pearson-Arastradero Preserve
  53. Chestnut-backed Chickadee Poecile rufescens
    # Count: 1
    Date:
    Observer: Anonymous User
    Location: Pearson-Arastradero Preserve
  54. Red-tailed Hawk Buteo jamaicensis
    # Count: 2
    Date:
    Observer: Jim Dehnert
    Location: Pearson-Arastradero Preserve
  55. Greater Scaup Aythya marila
    # Count: 7
    Date:
    Observer: Douglas Brown
    Location: Pearson-Arastradero Preserve
  56. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Douglas Brown
    Location: Pearson-Arastradero Preserve
  57. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Douglas Brown
    Location: Pearson-Arastradero Preserve
  58. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Douglas Brown
    Location: Pearson-Arastradero Preserve
  59. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  60. White-throated Swift Aeronautes saxatalis
    # Count: 30
    Date:
    Observer: Noah Eckman
    Location: Pearson-Arastradero Preserve
  61. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: Noah Eckman
    Location: Pearson-Arastradero Preserve
  62. Townsend's Warbler Setophaga townsendi
    # Count: 2
    Date:
    Observer: Noah Eckman
    Location: Pearson-Arastradero Preserve
  63. Red-breasted Sapsucker Sphyrapicus ruber
    # Count: 1
    Date:
    Observer: Valerie Wong
    Location: Pearson-Arastradero Preserve
  64. Mourning Dove Zenaida macroura
    # Count: 2
    Date:
    Observer: Peter Trueblood
    Location: Pearson-Arastradero Preserve
  65. American White Pelican Pelecanus erythrorhynchos
    # Count: 1
    Date:
    Observer: Peter Trueblood
    Location: Pearson-Arastradero Preserve
  66. Red-winged Blackbird Agelaius phoeniceus
    # Count: 2
    Date:
    Observer: Peter Trueblood
    Location: Pearson-Arastradero Preserve
  67. Violet-green Swallow Tachycineta thalassina
    # Count: 2
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  68. Canada Goose Branta canadensis
    # Count: 3
    Date:
    Observer: R H
    Location: Pearson-Arastradero Preserve
  69. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Carter Kremer
    Location: Pearson-Arastradero Preserve
  70. Cedar Waxwing Bombycilla cedrorum
    # Count: 8
    Date:
    Observer: Carter Kremer
    Location: Pearson-Arastradero Preserve
  71. Band-tailed Pigeon Patagioenas fasciata
    # Count: 7
    Date:
    Observer: Naomi Goodman
    Location: Pearson-Arastradero Preserve
  72. Tree Swallow Tachycineta bicolor
    # Count: 4
    Date:
    Observer: Paul Swigart
    Location: Pearson-Arastradero Preserve
  73. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Paul Swigart
    Location: Pearson-Arastradero Preserve
  74. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Jim Dehnert
    Location: Pearson-Arastradero Preserve
  75. House Wren Troglodytes aedon
    # Count: 3
    Date:
    Observer: Kenny Younger
    Location: Pearson-Arastradero Preserve
  76. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  77. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  78. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Pearson-Arastradero Preserve
  79. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 2
    Date:
    Observer: Jim Dehnert
    Location: Pearson-Arastradero Preserve
  80. Barn Swallow Hirundo rustica
    # Count: 2
    Date:
    Observer: Ning Xu
    Location: Pearson-Arastradero Preserve
  81. California Quail Callipepla californica
    # Count: 7
    Date:
    Observer: Jim Dehnert
    Location: Pearson-Arastradero Preserve
  82. Warbling Vireo Vireo gilvus
    # Count: 2
    Date:
    Observer: Dorian Anderson
    Location: Pearson-Arastradero Preserve
  83. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Dorian Anderson
    Location: Pearson-Arastradero Preserve
  84. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  85. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 1
    Date:
    Observer: Naomi Goodman
    Location: Pearson-Arastradero Preserve
  86. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Paul Swigart
    Location: Pearson-Arastradero Preserve
  87. Brown-headed Cowbird Molothrus ater
    # Count: 2
    Date:
    Observer: Paul Swigart
    Location: Pearson-Arastradero Preserve
  88. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  89. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  90. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Chris MacIntosh
    Location: Pearson-Arastradero Preserve
  91. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Kaiting H
    Location: Pearson-Arastradero Preserve
  92. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Pingang Wang
    Location: Pearson-Arastradero Preserve
  93. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  94. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  95. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  96. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  97. Lazuli Bunting Passerina amoena
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  98. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  99. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  100. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Ellyn Corey
    Location: Pearson-Arastradero Preserve
  101. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Ellyn Corey
    Location: Pearson-Arastradero Preserve
  102. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Dorian Anderson
    Location: Pearson-Arastradero Preserve
  103. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Dorian Anderson
    Location: Pearson-Arastradero Preserve
  104. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve
  105. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Susan Tenney
    Location: Pearson-Arastradero Preserve

Additional Taxa (10)

  1. duck sp. Anatidae (duck sp.)
    # Count: 1
    Date:
    Observer: Anonymous User
    Location: Pearson-Arastradero Preserve
  2. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Anonymous User
    Location: Pearson-Arastradero Preserve
  3. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Anonymous User
    Location: Pearson-Arastradero Preserve
  4. passerine sp. Passeriformes sp.
    # Count: 5
    Date:
    Observer: Anonymous User
    Location: Pearson-Arastradero Preserve
  5. swallow sp. Hirundinidae sp.
    # Count: 6
    Date:
    Observer: Valerie Wong
    Location: Pearson-Arastradero Preserve
  6. hummingbird sp. Trochilidae sp.
    # Count: 2
    Date:
    Observer: Kenny Younger
    Location: Pearson-Arastradero Preserve
  7. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Kenny Younger
    Location: Pearson-Arastradero Preserve
  8. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: Kenny Younger
    Location: Pearson-Arastradero Preserve
  9. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    # Count: 20
    Date:
    Observer: Kenny Younger
    Location: Pearson-Arastradero Preserve
  10. Zonotrichia sp. Zonotrichia sp.
    # Count: 20
    Date:
    Observer: Kenny Younger
    Location: Pearson-Arastradero Preserve