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Bird List

Updated ~12 seconds ago
195 All Years 132 This Year 2024 48 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (194)

  1. Spotted Towhee Pipilo maculatus
    # Count: 5
    Date:
    Observer: Jim White
    Location: Pacheco Pond
  2. Brown Pelican Pelecanus occidentalis
    # Count: 1
    Date:
    Observer: B Schriock
    Location: Pacheco Pond
  3. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Michael Bentzien
    Location: Pacheco Pond
  4. Chipping Sparrow Spizella passerina
    # Count: 1
    Date:
    Observer: Michael Bentzien
    Location: Pacheco Pond
  5. Wilson's Warbler Cardellina pusilla
    # Count: 2
    Date:
    Observer: Michael Bentzien
    Location: Pacheco Pond
  6. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 8
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  7. Greater White-fronted Goose Anser albifrons
    # Count: 20
    Date:
    Observer: Willem van Dam
    Location: Pacheco Pond
  8. Greater Scaup Aythya marila
    # Count: 100
    Date:
    Observer: Willem van Dam
    Location: Pacheco Pond
  9. Common Goldeneye Bucephala clangula
    # Count: 300
    Date:
    Observer: Willem van Dam
    Location: Pacheco Pond
  10. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: MIck Griffin
    Location: Pacheco Pond
  11. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: MIck Griffin
    Location: Pacheco Pond
  12. Dark-eyed Junco Junco hyemalis
    # Count: 12
    Date:
    Observer: MIck Griffin
    Location: Pacheco Pond
  13. Wilson's Snipe Gallinago delicata
    # Count: 11
    Date:
    Observer: Lisa Hug
    Location: Pacheco Pond
  14. Burrowing Owl Athene cunicularia
    # Count: 1
    Date:
    Observer: Marc Vendetti
    Location: Pacheco Pond
  15. Long-tailed Duck Clangula hyemalis
    # Count: 1
    Date:
    Observer: David Sexton
    Location: Pacheco Pond
  16. American Pipit Anthus rubescens
    # Count: 60
    Date:
    Observer: Elizabeth Lewis
    Location: Pacheco Pond
  17. Ridgway's Rail Rallus obsoletus
    # Count: 1
    Date:
    Observer: Rachel Lawrence
    Location: Pacheco Pond
  18. Glaucous-winged Gull Larus glaucescens
    # Count: 1
    Date:
    Observer: Rachel Lawrence
    Location: Pacheco Pond
  19. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 3
    Date:
    Observer: Rachel Lawrence
    Location: Pacheco Pond
  20. Cackling Goose Branta hutchinsii
    # Count: 250
    Date:
    Observer: Susan Kirkbride
    Location: Pacheco Pond
  21. Turkey Vulture Cathartes aura
    # Count: 32
    Date:
    Observer: Anonymous eBirder
    Location: Pacheco Pond
  22. Downy Woodpecker Dryobates pubescens
    # Count: 4
    Date:
    Observer: Everett Clark
    Location: Pacheco Pond
  23. Bushtit Psaltriparus minimus
    # Count: 45
    Date:
    Observer: carolyn rich
    Location: Pacheco Pond
  24. Semipalmated Plover Charadrius semipalmatus
    # Count: 50
    Date:
    Observer: John Paul
    Location: Pacheco Pond
  25. Hairy Woodpecker Dryobates villosus
    # Count: 2
    Date:
    Observer: John Paul
    Location: Pacheco Pond
  26. Pine Siskin Spinus pinus
    # Count: 50
    Date:
    Observer: John Paul
    Location: Pacheco Pond
  27. California Quail Callipepla californica
    # Count: 24
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  28. House Wren Troglodytes aedon
    # Count: 5
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  29. Hermit Thrush Catharus guttatus
    # Count: 4
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  30. Cedar Waxwing Bombycilla cedrorum
    # Count: 40
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  31. House Finch Haemorhous mexicanus
    # Count: 250
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  32. Lesser Goldfinch Spinus psaltria
    # Count: 60
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  33. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 80
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  34. Lincoln's Sparrow Melospiza lincolnii
    # Count: 4
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  35. Red-winged Blackbird Agelaius phoeniceus
    # Count: 300
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  36. Pacific Loon Gavia pacifica
    # Count: 1
    Date:
    Observer: Bob D'Antonio
    Location: Pacheco Pond
  37. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: Carla Parkinson
    Location: Pacheco Pond
  38. Black-necked Stilt Himantopus mexicanus
    # Count: 66
    Date:
    Observer: Anonymous eBirder
    Location: Pacheco Pond
  39. Great Horned Owl Bubo virginianus
    # Count: 4
    Date:
    Observer: Anonymous eBirder
    Location: Pacheco Pond
  40. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Pacheco Pond
  41. Common Yellowthroat Geothlypis trichas
    # Count: 9
    Date:
    Observer: David Assmann
    Location: Pacheco Pond
  42. Canada Goose Branta canadensis
    # Count: 430
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  43. Ruff Calidris pugnax
    # Count: 1
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  44. Great-tailed Grackle Quiscalus mexicanus
    # Count: 6
    Date:
    Observer: Elizabeth Crouthamel
    Location: Pacheco Pond
  45. Greater Yellowlegs Tringa melanoleuca
    # Count: 60
    Date:
    Observer: MIck Griffin
    Location: Pacheco Pond
  46. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: MIck Griffin
    Location: Pacheco Pond
  47. Virginia's Warbler Leiothlypis virginiae
    # Count: 1
    Date:
    Observer: George Griffeth
    Location: Pacheco Pond
  48. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Hal and Kirsten Snyder
    Location: Pacheco Pond
  49. Killdeer Charadrius vociferus
    # Count: 23
    Date:
    Observer: Heidi Regier
    Location: Pacheco Pond
  50. Sora Porzana carolina
    # Count: 6
    Date:
    Observer: Joseph Kurtz
    Location: Pacheco Pond
  51. Short-billed Dowitcher Limnodromus griseus
    # Count: 28
    Date:
    Observer: Joseph Kurtz
    Location: Pacheco Pond
  52. Lesser Yellowlegs Tringa flavipes
    # Count: 2
    Date:
    Observer: John Harris
    Location: Pacheco Pond
  53. Ring-billed Gull Larus delawarensis
    # Count: 150
    Date:
    Observer: David Sexton
    Location: Pacheco Pond
  54. Chestnut-backed Chickadee Poecile rufescens
    # Count: 12
    Date:
    Observer: Evan Farese
    Location: Pacheco Pond
  55. Orange-crowned Warbler Leiothlypis celata
    # Count: 3
    Date:
    Observer: Brian Browne
    Location: Pacheco Pond
  56. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: Brian Browne
    Location: Pacheco Pond
  57. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  58. Bald Eagle Haliaeetus leucocephalus
    # Count: 2
    Date:
    Observer: Lisa Hug
    Location: Pacheco Pond
  59. Western Tanager Piranga ludoviciana
    # Count: 4
    Date:
    Observer: Patricia Gold
    Location: Pacheco Pond
  60. Red-necked Phalarope Phalaropus lobatus
    # Count: 30
    Date:
    Observer: larry nigro
    Location: Pacheco Pond
  61. Wrentit Chamaea fasciata
    # Count: 2
    Date:
    Observer: larry nigro
    Location: Pacheco Pond
  62. Bewick's Wren Thryomanes bewickii
    # Count: 9
    Date:
    Observer: larry nigro
    Location: Pacheco Pond
  63. Yellow Warbler Setophaga petechia
    # Count: 5
    Date:
    Observer: larry nigro
    Location: Pacheco Pond
  64. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: Donn Davy
    Location: Pacheco Pond
  65. White-throated Swift Aeronautes saxatalis
    # Count: 2
    Date:
    Observer: Nat Smale
    Location: Pacheco Pond
  66. Osprey Pandion haliaetus
    # Count: 2
    Date:
    Observer: Susan Kirkbride
    Location: Pacheco Pond
  67. Bank Swallow Riparia riparia
    # Count: 1
    Date:
    Observer: Susan Kirkbride
    Location: Pacheco Pond
  68. Violet-green Swallow Tachycineta thalassina
    # Count: 100
    Date:
    Observer: Susan Kirkbride
    Location: Pacheco Pond
  69. Brown-headed Cowbird Molothrus ater
    # Count: 6
    Date:
    Observer: Susan Kirkbride
    Location: Pacheco Pond
  70. Ring-necked Duck Aythya collaris
    # Count: 125
    Date:
    Observer: Derek Lecy
    Location: Pacheco Pond
  71. Lesser Scaup Aythya affinis
    # Count: 300
    Date:
    Observer: Derek Lecy
    Location: Pacheco Pond
  72. Ruddy Duck Oxyura jamaicensis
    # Count: 500
    Date:
    Observer: Derek Lecy
    Location: Pacheco Pond
  73. Canvasback Aythya valisineria
    # Count: 3000
    Date:
    Observer: Joseph Zeno
    Location: Pacheco Pond
  74. Redhead Aythya americana
    # Count: 2
    Date:
    Observer: Joseph Zeno
    Location: Pacheco Pond
  75. Acorn Woodpecker Melanerpes formicivorus
    # Count: 12
    Date:
    Observer: Joseph Zeno
    Location: Pacheco Pond
  76. Nuttall's Woodpecker Dryobates nuttallii
    # Count: 6
    Date:
    Observer: Joseph Zeno
    Location: Pacheco Pond
  77. American Robin Turdus migratorius
    # Count: 30
    Date:
    Observer: Joseph Zeno
    Location: Pacheco Pond
  78. Yellow-rumped Warbler Setophaga coronata
    # Count: 35
    Date:
    Observer: Joseph Zeno
    Location: Pacheco Pond
  79. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Joseph Zeno
    Location: Pacheco Pond
  80. Anna's Hummingbird Calypte anna
    # Count: 16
    Date:
    Observer: Carla Parkinson
    Location: Pacheco Pond
  81. Forster's Tern Sterna forsteri
    # Count: 62
    Date:
    Observer: Eli Gross
    Location: Pacheco Pond
  82. White-throated Sparrow Zonotrichia albicollis
    # Count: 2
    Date:
    Observer: Nat Smale
    Location: Pacheco Pond
  83. White-breasted Nuthatch Sitta carolinensis
    # Count: 5
    Date:
    Observer: Molly Donahue
    Location: Pacheco Pond
  84. Red-shouldered Hawk Buteo lineatus
    # Count: 5
    Date:
    Observer: Brian Browne
    Location: Pacheco Pond
  85. Steller's Jay Cyanocitta stelleri
    # Count: 3
    Date:
    Observer: Brian Browne
    Location: Pacheco Pond
  86. Pygmy Nuthatch Sitta pygmaea
    # Count: 3
    Date:
    Observer: Brian Browne
    Location: Pacheco Pond
  87. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 15
    Date:
    Observer: larry nigro
    Location: Pacheco Pond
  88. Red-breasted Sapsucker Sphyrapicus ruber
    # Count: 2
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  89. Mourning Dove Zenaida macroura
    # Count: 26
    Date:
    Observer: Elizabeth Ferber
    Location: Pacheco Pond
  90. Western Bluebird Sialia mexicana
    # Count: 6
    Date:
    Observer: Elizabeth Ferber
    Location: Pacheco Pond
  91. Fox Sparrow Passerella iliaca
    # Count: 2
    Date:
    Observer: Elizabeth Ferber
    Location: Pacheco Pond
  92. Bufflehead Bucephala albeola
    # Count: 150
    Date:
    Observer: Grace Bottomley
    Location: Pacheco Pond
  93. European Starling Sturnus vulgaris
    # Count: 900
    Date:
    Observer: Connor Cochrane
    Location: Pacheco Pond
  94. Barrow's Goldeneye Bucephala islandica
    # Count: 2
    Date:
    Observer: Willem van Dam
    Location: Pacheco Pond
  95. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Willem van Dam
    Location: Pacheco Pond
  96. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Jim Crumpler
    Location: Pacheco Pond
  97. Say's Phoebe Sayornis saya
    # Count: 4
    Date:
    Observer: Jim Crumpler
    Location: Pacheco Pond
  98. Band-tailed Pigeon Patagioenas fasciata
    # Count: 7
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  99. Dunlin Calidris alpina
    # Count: 200
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  100. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Scott Hill
    Location: Pacheco Pond
  101. Spotted Sandpiper Actitis macularius
    # Count: 6
    Date:
    Observer: Scott Hill
    Location: Pacheco Pond
  102. Black Phoebe Sayornis nigricans
    # Count: 11
    Date:
    Observer: Ann Linder
    Location: Pacheco Pond
  103. Bullock's Oriole Icterus bullockii
    # Count: 4
    Date:
    Observer: Willem van Dam
    Location: Pacheco Pond
  104. Cinnamon Teal Spatula cyanoptera
    # Count: 13
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  105. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: David Sexton
    Location: Pacheco Pond
  106. American Wigeon Mareca americana
    # Count: 181
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  107. Double-crested Cormorant Nannopterum auritum
    # Count: 111
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  108. Western Gull Larus occidentalis
    # Count: 10
    Date:
    Observer: Scott Morrical
    Location: Pacheco Pond
  109. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 38
    Date:
    Observer: Patricia DiLuzio
    Location: Pacheco Pond
  110. Hooded Merganser Lophodytes cucullatus
    # Count: 19
    Date:
    Observer: Ann Linder
    Location: Pacheco Pond
  111. Horned Grebe Podiceps auritus
    # Count: 3
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  112. Gadwall Mareca strepera
    # Count: 200
    Date:
    Observer: Daphne Hatch
    Location: Pacheco Pond
  113. Western Screech-Owl Megascops kennicottii
    # Count: 1
    Date:
    Observer: Daphne Hatch
    Location: Pacheco Pond
  114. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 250
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  115. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  116. Wild Turkey Meleagris gallopavo
    # Count: 6
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  117. Herring Gull Larus argentatus
    # Count: 3
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  118. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Carla Parkinson
    Location: Pacheco Pond
  119. California Scrub-Jay Aphelocoma californica
    # Count: 7
    Date:
    Observer: Carla Parkinson
    Location: Pacheco Pond
  120. Ruby-crowned Kinglet Corthylio calendula
    # Count: 12
    Date:
    Observer: Ann Linder
    Location: Pacheco Pond
  121. Caspian Tern Hydroprogne caspia
    # Count: 7
    Date:
    Observer: Scott Hill
    Location: Pacheco Pond
  122. Western Flycatcher Empidonax difficilis
    # Count: 3
    Date:
    Observer: David Sexton
    Location: Pacheco Pond
  123. Snow Goose Anser caerulescens
    # Count: 3
    Date:
    Observer: S Kelly
    Location: Pacheco Pond
  124. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 21
    Date:
    Observer: S Kelly
    Location: Pacheco Pond
  125. Red-tailed Hawk Buteo jamaicensis
    # Count: 5
    Date:
    Observer: S Kelly
    Location: Pacheco Pond
  126. Green-winged Teal Anas crecca
    # Count: 225
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  127. White-tailed Kite Elanus leucurus
    # Count: 3
    Date:
    Observer: Patricia DiLuzio
    Location: Pacheco Pond
  128. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 45
    Date:
    Observer: Patricia DiLuzio
    Location: Pacheco Pond
  129. Common Merganser Mergus merganser
    # Count: 25
    Date:
    Observer: A Huang Winoto
    Location: Pacheco Pond
  130. Green Heron Butorides virescens
    # Count: 2
    Date:
    Observer: A Huang Winoto
    Location: Pacheco Pond
  131. American Kestrel Falco sparverius
    # Count: 5
    Date:
    Observer: A Huang Winoto
    Location: Pacheco Pond
  132. Western Meadowlark Sturnella neglecta
    # Count: 105
    Date:
    Observer: Carla Parkinson
    Location: Pacheco Pond
  133. Short-billed Gull Larus brachyrhynchus
    # Count: 8
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  134. Eared Grebe Podiceps nigricollis
    # Count: 6
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  135. Vaux's Swift Chaetura vauxi
    # Count: 20
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  136. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  137. Clark's Grebe Aechmophorus clarkii
    # Count: 9
    Date:
    Observer: Carol Oakes
    Location: Pacheco Pond
  138. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  139. Oak Titmouse Baeolophus inornatus
    # Count: 5
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  140. Willet Tringa semipalmata
    # Count: 54
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  141. Great Egret Ardea alba
    # Count: 143
    Date:
    Observer: David Sexton
    Location: Pacheco Pond
  142. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  143. American Crow Corvus brachyrhynchos
    # Count: 100
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  144. Wilson's Phalarope Phalaropus tricolor
    # Count: 2
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  145. Least Bittern Ixobrychus exilis
    # Count: 1
    Date:
    Observer: Scott Buchanan
    Location: Pacheco Pond
  146. Northern Harrier Circus hudsonius
    # Count: 3
    Date:
    Observer: Lucas stephenson
    Location: Pacheco Pond
  147. Barn Swallow Hirundo rustica
    # Count: 20
    Date:
    Observer: Lucas stephenson
    Location: Pacheco Pond
  148. American Avocet Recurvirostra americana
    # Count: 1000
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  149. Northern Shoveler Spatula clypeata
    # Count: 150
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  150. Black-bellied Plover Pluvialis squatarola
    # Count: 15
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  151. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  152. Horned Lark Eremophila alpestris
    # Count: 4
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  153. Savannah Sparrow Passerculus sandwichensis
    # Count: 8
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  154. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  155. Rock Pigeon Columba livia
    # Count: 50
    Date:
    Observer: Emilie Strauss
    Location: Pacheco Pond
  156. California Gull Larus californicus
    # Count: 175
    Date:
    Observer: Emilie Strauss
    Location: Pacheco Pond
  157. Mallard Anas platyrhynchos
    # Count: 180
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  158. Western Sandpiper Calidris mauri
    # Count: 1000
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  159. Northern Flicker Colaptes auratus
    # Count: 5
    Date:
    Observer: Ann Linder
    Location: Pacheco Pond
  160. Virginia Rail Rallus limicola
    # Count: 6
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  161. Snowy Egret Egretta thula
    # Count: 230
    Date:
    Observer: Jeannene Przyblyski
    Location: Pacheco Pond
  162. Great Blue Heron Ardea herodias
    # Count: 10
    Date:
    Observer: Jeannene Przyblyski
    Location: Pacheco Pond
  163. Common Gallinule Gallinula galeata
    # Count: 18
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  164. American White Pelican Pelecanus erythrorhynchos
    # Count: 330
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  165. House Sparrow Passer domesticus
    # Count: 7
    Date:
    Observer: Lucas Corneliussen
    Location: Pacheco Pond
  166. Marbled Godwit Limosa fedoa
    # Count: 175
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  167. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 25
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  168. Western Grebe Aechmophorus occidentalis
    # Count: 3
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  169. California Towhee Melozone crissalis
    # Count: 5
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  170. Long-billed Curlew Numenius americanus
    # Count: 26
    Date:
    Observer: Jack Gedney
    Location: Pacheco Pond
  171. Townsend's Warbler Setophaga townsendi
    # Count: 2
    Date:
    Observer: Jack Gedney
    Location: Pacheco Pond
  172. Hutton's Vireo Vireo huttoni
    # Count: 5
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  173. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Patricia DiLuzio
    Location: Pacheco Pond
  174. American Coot Fulica americana
    # Count: 150
    Date:
    Observer: Carla Parkinson
    Location: Pacheco Pond
  175. Northern Pintail Anas acuta
    # Count: 60
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  176. Snowy Plover Anarhynchus nivosus
    # Count: 28
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  177. Whimbrel Numenius phaeopus
    # Count: 9
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  178. Song Sparrow Melospiza melodia
    # Count: 32
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  179. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  180. Swainson's Hawk Buteo swainsoni
    # Count: 1
    Date:
    Observer: Jack Gedney
    Location: Pacheco Pond
  181. Peregrine Falcon Falco peregrinus
    # Count: 2
    Date:
    Observer: Jack Gedney
    Location: Pacheco Pond
  182. Common Raven Corvus corax
    # Count: 10
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  183. Least Sandpiper Calidris minutilla
    # Count: 336
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  184. Pied-billed Grebe Podilymbus podiceps
    # Count: 30
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  185. Tree Swallow Tachycineta bicolor
    # Count: 62
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  186. American Goldfinch Spinus tristis
    # Count: 8
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  187. Western Wood-Pewee Contopus sordidulus
    # Count: 2
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  188. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 6
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  189. Blue-winged Teal Spatula discors
    # Count: 2
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  190. Northern Mockingbird Mimus polyglottos
    # Count: 8
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  191. Cooper's Hawk Accipiter cooperii
    # Count: 2
    Date:
    Observer: Mark Forney
    Location: Pacheco Pond
  192. Purple Finch Haemorhous purpureus
    # Count: 3
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  193. Hooded Oriole Icterus cucullatus
    # Count: 4
    Date:
    Observer: Van Remsen
    Location: Pacheco Pond
  194. Marsh Wren Cistothorus palustris
    # Count: 30
    Date:
    Observer: Mark Forney
    Location: Pacheco Pond

Exotic: Provisional (1)

  1. Mute Swan Cygnus olor
    # Count: 50
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond

Exotic: Escapee (1)

  1. Swan Goose Anser cygnoides
    # Count: 1
    Date:
    Observer: Heidi Regier
    Location: Pacheco Pond

Hybrids (2)

  1. Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis
    # Count: 1
    Date:
    Observer: Elizabeth Crouthamel
    Location: Pacheco Pond
  2. Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruber
    # Count: 1
    Date:
    Observer: logan kahle
    Location: Pacheco Pond

Additional Taxa (32)

  1. Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus
    # Count: 2
    Date:
    Observer: Marc Vendetti
    Location: Pacheco Pond
  2. shorebird sp. Charadriiformes sp.
    # Count: 50
    Date:
    Observer: Susan Kirkbride
    Location: Pacheco Pond
  3. Larus sp. Larus sp.
    # Count: 20
    Date:
    Observer: Susan Kirkbride
    Location: Pacheco Pond
  4. passerine sp. Passeriformes sp.
    # Count: 41
    Date:
    Observer: Dominik Mosur
    Location: Pacheco Pond
  5. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Levi Rehberg
    Location: Pacheco Pond
  6. peep sp. Calidris sp. (peep sp.)
    # Count: 300
    Date:
    Observer: Connor Cochrane
    Location: Pacheco Pond
  7. tern sp. Sterninae sp.
    # Count: 8
    Date:
    Observer: J L Sullivan
    Location: Pacheco Pond
  8. cormorant sp. Phalacrocoracidae sp.
    # Count: 12
    Date:
    Observer: J L Sullivan
    Location: Pacheco Pond
  9. duck sp. Anatidae (duck sp.)
    # Count: 2500
    Date:
    Observer: Emilie Strauss
    Location: Pacheco Pond
  10. gull sp. Larinae sp.
    # Count: 400
    Date:
    Observer: Carla Parkinson
    Location: Pacheco Pond
  11. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 600
    Date:
    Observer: Eli Gross
    Location: Pacheco Pond
  12. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 11
    Date:
    Observer: Donna Caldwell
    Location: Pacheco Pond
  13. blackbird sp. Icteridae sp.
    # Count: 30
    Date:
    Observer: Patricia DiLuzio
    Location: Pacheco Pond
  14. new world sparrow sp. Passerellidae sp.
    # Count: 30
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  15. Zonotrichia sp. Zonotrichia sp.
    # Count: 35
    Date:
    Observer: Carla Parkinson
    Location: Pacheco Pond
  16. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 300
    Date:
    Observer: Bob Battagin
    Location: Pacheco Pond
  17. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 2
    Date:
    Observer: Elizabeth Crouthamel
    Location: Pacheco Pond
  18. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 3
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  19. swallow sp. Hirundinidae sp.
    # Count: 40
    Date:
    Observer: Carol Oakes
    Location: Pacheco Pond
  20. swift sp. Apodidae sp.
    # Count: 1
    Date:
    Observer: David Robinson
    Location: Pacheco Pond
  21. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    # Count: 30
    Date:
    Observer: David Robinson
    Location: Pacheco Pond
  22. new world oriole sp. Icterus sp.
    # Count: 3
    Date:
    Observer: David Robinson
    Location: Pacheco Pond
  23. goose sp. Anatidae (goose sp.)
    # Count: 1
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  24. small bittern sp. Ixobrychus sp.
    # Count: 1
    Date:
    Observer: Lucas stephenson
    Location: Pacheco Pond
  25. new world goldfinch sp. Spinus sp. (goldfinch sp.)
    # Count: 1
    Date:
    Observer: Peter Colasanti
    Location: Pacheco Pond
  26. crow/raven sp. Corvus sp.
    # Count: 1
    Date:
    Observer: Sue Gragg
    Location: Pacheco Pond
  27. pigeon/dove sp. Columbidae sp.
    # Count: 3
    Date:
    Observer: Elizabeth Crouthamel
    Location: Pacheco Pond
  28. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: Carla Parkinson
    Location: Pacheco Pond
  29. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Dennis Brouillet
    Location: Pacheco Pond
  30. hummingbird sp. Trochilidae sp.
    # Count: 2
    Date:
    Observer: Sean Fitzgerald
    Location: Pacheco Pond
  31. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 1
    Date:
    Observer: Sylvie Silverstein
    Location: Pacheco Pond
  32. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 2
    Date:
    Observer: Mark Forney
    Location: Pacheco Pond