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Bird List

Updated ~8 seconds ago
194 All Years 64 This Year 2024 20 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. Franklin's Gull Leucophaeus pipixcan
    # Count: 1
    Date:
    Observer: Noah Arthur
    Location: San Gregorio SB
  2. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Malcolm Blanchard
    Location: San Gregorio SB
  3. Swallow-tailed Gull Creagrus furcatus
    # Count: 1
    Date:
    Observer: Aaron Maizlish
    Location: San Gregorio SB
  4. Allen's Hummingbird Selasphorus sasin
    # Count: 1
    Date:
    Observer: Maarten Bruggeman
    Location: San Gregorio SB
  5. White-faced Ibis Plegadis chihi
    # Count: 1
    Date:
    Observer: Vicky Stein
    Location: San Gregorio SB
  6. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: Chris Hayward
    Location: San Gregorio SB
  7. Tundra Swan Cygnus columbianus
    # Count: 4
    Date:
    Observer: Joshua Stacy
    Location: San Gregorio SB
  8. Long-tailed Duck Clangula hyemalis
    # Count: 1
    Date:
    Observer: Chris Wills
    Location: San Gregorio SB
  9. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Donna Pomeroy
    Location: San Gregorio SB
  10. Western Wood-Pewee Contopus sordidulus
    # Count: X
    Date:
    Observer: James Armstrong
    Location: San Gregorio SB
  11. Laughing Gull Leucophaeus atricilla
    # Count: 1
    Date:
    Observer: Malia DeFelice
    Location: San Gregorio SB
  12. Pacific Wren Troglodytes pacificus
    # Count: 2
    Date:
    Observer: Kevin Schwartz
    Location: San Gregorio SB
  13. Lesser Goldfinch Spinus psaltria
    # Count: 3
    Date:
    Observer: Kevin Schwartz
    Location: San Gregorio SB
  14. Emperor Goose Anser canagicus
    # Count: 2
    Date:
    Observer: Malia DeFelice
    Location: San Gregorio SB
  15. Ruddy Duck Oxyura jamaicensis
    # Count: 1
    Date:
    Observer: Bill Pelletier
    Location: San Gregorio SB
  16. Ashy Storm-Petrel Hydrobates homochroa
    # Count: 6
    Date:
    Observer: Jeffrey Greco
    Location: San Gregorio SB
  17. Violet-green Swallow Tachycineta thalassina
    # Count: 1
    Date:
    Observer: Malia DeFelice
    Location: San Gregorio SB
  18. Purple Finch Haemorhous purpureus
    # Count: 2
    Date:
    Observer: Dominik Mosur
    Location: San Gregorio SB
  19. Pine Siskin Spinus pinus
    # Count: 2
    Date:
    Observer: Dominik Mosur
    Location: San Gregorio SB
  20. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: Francis Toldi
    Location: San Gregorio SB
  21. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: Leslie Flint
    Location: San Gregorio SB
  22. Lesser Black-backed Gull Larus fuscus
    # Count: 1
    Date:
    Observer: Noah Arthur
    Location: San Gregorio SB
  23. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Andrea Mott
    Location: San Gregorio SB
  24. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Tim Lenz
    Location: San Gregorio SB
  25. Snow Goose Anser caerulescens
    # Count: 1
    Date:
    Observer: George Chrisman
    Location: San Gregorio SB
  26. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: George Chrisman
    Location: San Gregorio SB
  27. Red Crossbill Loxia curvirostra
    # Count: 1
    Date:
    Observer: Malia DeFelice
    Location: San Gregorio SB
  28. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Torin Waters šŸ¦‰
    Location: San Gregorio SB
  29. American Avocet Recurvirostra americana
    # Count: 3
    Date:
    Observer: Brad Rangell
    Location: San Gregorio SB
  30. Green-winged Teal Anas crecca
    # Count: X
    Date:
    Observer: Stephan Pleines
    Location: San Gregorio SB
  31. Black-vented Shearwater Puffinus opisthomelas
    # Count: 2
    Date:
    Observer: Donna Pomeroy
    Location: San Gregorio SB
  32. Cackling Goose Branta hutchinsii
    # Count: X
    Date:
    Observer: Josh McLaughlin
    Location: San Gregorio SB
  33. Surfbird Calidris virgata
    # Count: 62
    Date:
    Observer: Garth Harwood
    Location: San Gregorio SB
  34. Canada Goose Branta canadensis
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  35. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Malia DeFelice
    Location: San Gregorio SB
  36. Marbled Murrelet Brachyramphus marmoratus
    # Count: 4
    Date:
    Observer: Alvaro Jaramillo
    Location: San Gregorio SB
  37. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  38. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  39. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: George Chrisman
    Location: San Gregorio SB
  40. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Kimberly Jannarone
    Location: San Gregorio SB
  41. Steller's Jay Cyanocitta stelleri
    # Count: X
    Date:
    Observer: John Thieroff
    Location: San Gregorio SB
  42. Pink-footed Shearwater Ardenna creatopus
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  43. Black Turnstone Arenaria melanocephala
    # Count: X
    Date:
    Observer: Jim Hoover
    Location: San Gregorio SB
  44. Rhinoceros Auklet Cerorhinca monocerata
    # Count: 1
    Date:
    Observer: Donna Pomeroy
    Location: San Gregorio SB
  45. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Donna Pomeroy
    Location: San Gregorio SB
  46. Western Meadowlark Sturnella neglecta
    # Count: X
    Date:
    Observer: Peter Hart
    Location: San Gregorio SB
  47. Tropical Kingbird Tyrannus melancholicus
    # Count: 1
    Date:
    Observer: Mark Kudrav
    Location: San Gregorio SB
  48. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  49. Rock Pigeon Columba livia
    # Count: X
    Date:
    Observer: Scott Kaiser
    Location: San Gregorio SB
  50. Red-necked Phalarope Phalaropus lobatus
    # Count: X
    Date:
    Observer: Scott Kaiser
    Location: San Gregorio SB
  51. Parasitic Jaeger Stercorarius parasiticus
    # Count: X
    Date:
    Observer: Scott Kaiser
    Location: San Gregorio SB
  52. Sharp-shinned Hawk Accipiter striatus
    # Count: X
    Date:
    Observer: Laurie Bechtler
    Location: San Gregorio SB
  53. Downy Woodpecker Dryobates pubescens
    # Count: X
    Date:
    Observer: Scott Kaiser
    Location: San Gregorio SB
  54. Hairy Woodpecker Dryobates villosus
    # Count: X
    Date:
    Observer: Scott Kaiser
    Location: San Gregorio SB
  55. Peregrine Falcon Falco peregrinus
    # Count: X
    Date:
    Observer: Laurie Bechtler
    Location: San Gregorio SB
  56. Warbling Vireo Vireo gilvus
    # Count: X
    Date:
    Observer: Laurie Bechtler
    Location: San Gregorio SB
  57. Savannah Sparrow Passerculus sandwichensis
    # Count: X
    Date:
    Observer: Scott Kaiser
    Location: San Gregorio SB
  58. Yellow Warbler Setophaga petechia
    # Count: X
    Date:
    Observer: Laurie Bechtler
    Location: San Gregorio SB
  59. Common Murre Uria aalge
    # Count: 4
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  60. Sooty Shearwater Ardenna grisea
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  61. Common Loon Gavia immer
    # Count: 2
    Date:
    Observer: Max Lara
    Location: San Gregorio SB
  62. Mourning Dove Zenaida macroura
    # Count: 1
    Date:
    Observer: Pete Dunten
    Location: San Gregorio SB
  63. House Sparrow Passer domesticus
    # Count: 1
    Date:
    Observer: Jean Suplick
    Location: San Gregorio SB
  64. Pelagic Cormorant Urile pelagicus
    # Count: X
    Date:
    Observer: Tom Wheeler
    Location: San Gregorio SB
  65. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: George Chrisman
    Location: San Gregorio SB
  66. Tricolored Blackbird Agelaius tricolor
    # Count: 4
    Date:
    Observer: George Chrisman
    Location: San Gregorio SB
  67. Long-billed Curlew Numenius americanus
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  68. Snowy Egret Egretta thula
    # Count: 2
    Date:
    Observer: George Chrisman
    Location: San Gregorio SB
  69. Brant Branta bernicla
    # Count: 1
    Date:
    Observer: Dan Singer
    Location: San Gregorio SB
  70. Pigeon Guillemot Cepphus columba
    # Count: X
    Date:
    Observer: Jane Tatchell
    Location: San Gregorio SB
  71. Wilson's Warbler Cardellina pusilla
    # Count: X
    Date:
    Observer: Jane Tatchell
    Location: San Gregorio SB
  72. Gadwall Mareca strepera
    # Count: 4
    Date:
    Observer: Rich Ferrick
    Location: San Gregorio SB
  73. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 2
    Date:
    Observer: Rich Ferrick
    Location: San Gregorio SB
  74. American Goldfinch Spinus tristis
    # Count: 2
    Date:
    Observer: Rich Ferrick
    Location: San Gregorio SB
  75. Clark's Grebe Aechmophorus clarkii
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  76. Red-throated Loon Gavia stellata
    # Count: 3
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  77. Brandt's Cormorant Urile penicillatus
    # Count: 2
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  78. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  79. Marsh Wren Cistothorus palustris
    # Count: 2
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  80. European Starling Sturnus vulgaris
    # Count: X
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  81. American Robin Turdus migratorius
    # Count: 2
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  82. American Wigeon Mareca americana
    # Count: 2
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  83. Western Bluebird Sialia mexicana
    # Count: 5
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  84. Dark-eyed Junco Junco hyemalis
    # Count: 12
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  85. Lincoln's Sparrow Melospiza lincolnii
    # Count: 5
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  86. American Coot Fulica americana
    # Count: 71
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  87. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  88. Chestnut-backed Chickadee Poecile rufescens
    # Count: 6
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  89. Pygmy Nuthatch Sitta pygmaea
    # Count: 3
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  90. Bewick's Wren Thryomanes bewickii
    # Count: 3
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  91. Fox Sparrow Passerella iliaca
    # Count: 2
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  92. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  93. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  94. California Towhee Melozone crissalis
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  95. Spotted Towhee Pipilo maculatus
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  96. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  97. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  98. Yellow-rumped Warbler Setophaga coronata
    # Count: 2
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  99. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  100. California Quail Callipepla californica
    # Count: 10
    Date:
    Observer: Liz West
    Location: San Gregorio SB
  101. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Liz West
    Location: San Gregorio SB
  102. Townsend's Warbler Setophaga townsendi
    # Count: X
    Date:
    Observer: Liz West
    Location: San Gregorio SB
  103. Say's Phoebe Sayornis saya
    # Count: X
    Date:
    Observer: Will Chatfield-Taylor
    Location: San Gregorio SB
  104. Common Merganser Mergus merganser
    # Count: X
    Date:
    Observer: Gary Hantsbarger
    Location: San Gregorio SB
  105. Black-necked Stilt Himantopus mexicanus
    # Count: X
    Date:
    Observer: Gary Hantsbarger
    Location: San Gregorio SB
  106. White-tailed Kite Elanus leucurus
    # Count: 1
    Date:
    Observer: Jim Bowman
    Location: San Gregorio SB
  107. Mallard Anas platyrhynchos
    # Count: X
    Date:
    Observer: Randy Little
    Location: San Gregorio SB
  108. Greater Yellowlegs Tringa melanoleuca
    # Count: X
    Date:
    Observer: Randy Little
    Location: San Gregorio SB
  109. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Gray Gallogly Records
    Location: San Gregorio SB
  110. Dunlin Calidris alpina
    # Count: X
    Date:
    Observer: Chris McCreedy - no playbacks
    Location: San Gregorio SB
  111. Least Sandpiper Calidris minutilla
    # Count: X
    Date:
    Observer: Chris McCreedy - no playbacks
    Location: San Gregorio SB
  112. Barn Swallow Hirundo rustica
    # Count: X
    Date:
    Observer: Chris McCreedy - no playbacks
    Location: San Gregorio SB
  113. Yellow-green Vireo Vireo flavoviridis
    # Count: 1
    Date:
    Observer: Historical eBird Records
    Location: San Gregorio SB
  114. Elegant Tern Thalasseus elegans
    # Count: 3
    Date:
    Observer: John Legge
    Location: San Gregorio SB
  115. Killdeer Charadrius vociferus
    # Count: 3
    Date:
    Observer: Christopher Escott
    Location: San Gregorio SB
  116. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: Christopher Escott
    Location: San Gregorio SB
  117. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 2
    Date:
    Observer: Christopher Escott
    Location: San Gregorio SB
  118. California Scrub-Jay Aphelocoma californica
    # Count: X
    Date:
    Observer: Randy Little
    Location: San Gregorio SB
  119. Surf Scoter Melanitta perspicillata
    # Count: 1
    Date:
    Observer: Matthew Rockmore
    Location: San Gregorio SB
  120. Short-billed Gull Larus brachyrhynchus
    # Count: 2
    Date:
    Observer: Matthew Rockmore
    Location: San Gregorio SB
  121. Osprey Pandion haliaetus
    # Count: X
    Date:
    Observer: Randy Little
    Location: San Gregorio SB
  122. Black Oystercatcher Haematopus bachmani
    # Count: X
    Date:
    Observer: Paul Berrigan
    Location: San Gregorio SB
  123. Double-crested Cormorant Nannopterum auritum
    # Count: X
    Date:
    Observer: Paul Berrigan
    Location: San Gregorio SB
  124. Brown Pelican Pelecanus occidentalis
    # Count: X
    Date:
    Observer: Paul Berrigan
    Location: San Gregorio SB
  125. Turkey Vulture Cathartes aura
    # Count: X
    Date:
    Observer: Paul Berrigan
    Location: San Gregorio SB
  126. American Kestrel Falco sparverius
    # Count: X
    Date:
    Observer: Paul Berrigan
    Location: San Gregorio SB
  127. Red-winged Blackbird Agelaius phoeniceus
    # Count: X
    Date:
    Observer: Simon Keizer
    Location: San Gregorio SB
  128. Bufflehead Bucephala albeola
    # Count: 12
    Date:
    Observer: Keith Cowton
    Location: San Gregorio SB
  129. Western Gull Larus occidentalis
    # Count: 20
    Date:
    Observer: Keith Cowton
    Location: San Gregorio SB
  130. California Gull Larus californicus
    # Count: 25
    Date:
    Observer: Keith Cowton
    Location: San Gregorio SB
  131. Glaucous-winged Gull Larus glaucescens
    # Count: 3
    Date:
    Observer: Keith Cowton
    Location: San Gregorio SB
  132. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 3
    Date:
    Observer: Keith Cowton
    Location: San Gregorio SB
  133. Bushtit Psaltriparus minimus
    # Count: 2
    Date:
    Observer: Keith Cowton
    Location: San Gregorio SB
  134. House Finch Haemorhous mexicanus
    # Count: 6
    Date:
    Observer: Keith Cowton
    Location: San Gregorio SB
  135. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 10
    Date:
    Observer: Keith Cowton
    Location: San Gregorio SB
  136. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Sequoia Audubon Data
    Location: San Gregorio SB
  137. Greater White-fronted Goose Anser albifrons
    # Count: 4
    Date:
    Observer: Sequoia Audubon Data
    Location: San Gregorio SB
  138. Caspian Tern Hydroprogne caspia
    # Count: X
    Date:
    Observer: Warren Finlay
    Location: San Gregorio SB
  139. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  140. Black Phoebe Sayornis nigricans
    # Count: X
    Date:
    Observer: Warren Finlay
    Location: San Gregorio SB
  141. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  142. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  143. Rusty Blackbird Euphagus carolinus
    # Count: 1
    Date:
    Observer: Sequoia Audubon Data
    Location: San Gregorio SB
  144. Lesser Scaup Aythya affinis
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  145. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  146. Snowy Plover Anarhynchus nivosus
    # Count: 5
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  147. Red-breasted Merganser Mergus serrator
    # Count: 5
    Date:
    Observer: Jan Nick
    Location: San Gregorio SB
  148. Wandering Tattler Tringa incana
    # Count: 5
    Date:
    Observer: Jan Nick
    Location: San Gregorio SB
  149. Song Sparrow Melospiza melodia
    # Count: 2
    Date:
    Observer: Jan Nick
    Location: San Gregorio SB
  150. White-winged Scoter Melanitta deglandi
    # Count: 2
    Date:
    Observer: Kevin Nick
    Location: San Gregorio SB
  151. Black Scoter Melanitta americana
    # Count: 1
    Date:
    Observer: Kevin Nick
    Location: San Gregorio SB
  152. Sanderling Calidris alba
    # Count: 1
    Date:
    Observer: Kevin Nick
    Location: San Gregorio SB
  153. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 10
    Date:
    Observer: Kevin Nick
    Location: San Gregorio SB
  154. Anna's Hummingbird Calypte anna
    # Count: 2
    Date:
    Observer: Jan Nick
    Location: San Gregorio SB
  155. Black-bellied Plover Pluvialis squatarola
    # Count: 10
    Date:
    Observer: Jan Nick
    Location: San Gregorio SB
  156. Hutton's Vireo Vireo huttoni
    # Count: 1
    Date:
    Observer: Jan Nick
    Location: San Gregorio SB
  157. Wrentit Chamaea fasciata
    # Count: 2
    Date:
    Observer: Jan Nick
    Location: San Gregorio SB
  158. Ruby-crowned Kinglet Corthylio calendula
    # Count: 2
    Date:
    Observer: Jan Nick
    Location: San Gregorio SB
  159. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Jan Nick
    Location: San Gregorio SB
  160. Lesser Yellowlegs Tringa flavipes
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  161. Pacific Loon Gavia pacifica
    # Count: 20
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  162. Grasshopper Sparrow Ammodramus savannarum
    # Count: X
    Date:
    Observer: David Houle
    Location: San Gregorio SB
  163. Heermann's Gull Larus heermanni
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  164. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  165. Black-legged Kittiwake Rissa tridactyla
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  166. Cinnamon Teal Spatula cyanoptera
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  167. Common Goldeneye Bucephala clangula
    # Count: 2
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  168. Harlequin Duck Histrionicus histrionicus
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  169. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  170. Herring Gull Larus argentatus
    # Count: 4
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  171. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  172. Eared Grebe Podiceps nigricollis
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  173. Northern Fulmar Fulmarus glacialis
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  174. Semipalmated Plover Charadrius semipalmatus
    # Count: 2
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  175. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  176. Ruddy Turnstone Arenaria interpres
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  177. Baird's Sandpiper Calidris bairdii
    # Count: 2
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  178. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  179. Marbled Godwit Limosa fedoa
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  180. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  181. Tree Swallow Tachycineta bicolor
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  182. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  183. Whimbrel Numenius phaeopus
    # Count: 3
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  184. Red Phalarope Phalaropus fulicarius
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  185. Western Sandpiper Calidris mauri
    # Count: 5
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  186. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  187. Short-billed Dowitcher Limnodromus griseus
    # Count: 4
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  188. American Crow Corvus brachyrhynchos
    # Count: 2
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  189. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Peter Metropulos
    Location: San Gregorio SB
  190. Western Grebe Aechmophorus occidentalis
    # Count: X
    Date:
    Observer: Daniel Leger
    Location: San Gregorio SB
  191. Willet Tringa semipalmata
    # Count: X
    Date:
    Observer: Daniel Leger
    Location: San Gregorio SB
  192. Red-tailed Hawk Buteo jamaicensis
    # Count: X
    Date:
    Observer: Daniel Leger
    Location: San Gregorio SB
  193. Glaucous Gull Larus hyperboreus
    # Count: 2
    Date:
    Observer: Sequoia Audubon Data
    Location: San Gregorio SB
  194. Royal Tern Thalasseus maximus
    # Count: 1
    Date:
    Observer: Sequoia Audubon Data
    Location: San Gregorio SB

Exotic: Escapee (1)

  1. Red Junglefowl Gallus gallus
    # Count: 2
    Date:
    Observer: Kevin Schwartz
    Location: San Gregorio SB

Hybrids (4)

  1. Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescens
    # Count: 1
    Date:
    Observer: Noah Arthur
    Location: San Gregorio SB
  2. Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreus
    # Count: 1
    Date:
    Observer: Tim Lenz
    Location: San Gregorio SB
  3. Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescens
    # Count: 1
    Date:
    Observer: John Sterling
    Location: San Gregorio SB
  4. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    # Count: X
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB

Additional Taxa (25)

  1. swallow sp. Hirundinidae sp.
    # Count: X
    Date:
    Observer: Srinivas Daripineni
    Location: San Gregorio SB
  2. grebe sp. Podicipedidae sp.
    # Count: 10
    Date:
    Observer: Van Pierszalowski
    Location: San Gregorio SB
  3. shearwater sp. Procellariidae sp. (shearwater sp.)
    # Count: 1
    Date:
    Observer: Sharon J
    Location: San Gregorio SB
  4. blackbird sp. Icteridae sp.
    # Count: 5
    Date:
    Observer: Alex Henry
    Location: San Gregorio SB
  5. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Christopher Winn
    Location: San Gregorio SB
  6. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Michael Long
    Location: San Gregorio SB
  7. Zonotrichia sp. Zonotrichia sp.
    # Count: 3
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  8. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Baris Karadogan
    Location: San Gregorio SB
  9. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    # Count: 5
    Date:
    Observer: Joshua Stacy
    Location: San Gregorio SB
  10. new world sparrow sp. Passerellidae sp.
    # Count: 8
    Date:
    Observer: Mark S. Hoffman
    Location: San Gregorio SB
  11. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    # Count: 7
    Date:
    Observer: Lindsey Schromen-Wawrin
    Location: San Gregorio SB
  12. Sooty/Short-tailed Shearwater Ardenna grisea/tenuirostris
    # Count: 3
    Date:
    Observer: Tim Lenz
    Location: San Gregorio SB
  13. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 1
    Date:
    Observer: Malia DeFelice
    Location: San Gregorio SB
  14. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Bob Andrini
    Location: San Gregorio SB
  15. alcid sp. Alcidae sp.
    # Count: 1
    Date:
    Observer: stephen johnson šŸ¦œ
    Location: San Gregorio SB
  16. duck sp. Anatidae (duck sp.)
    # Count: 1
    Date:
    Observer: Matt Hofeditz
    Location: San Gregorio SB
  17. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 1
    Date:
    Observer: Garth Harwood
    Location: San Gregorio SB
  18. scoter sp. Melanitta sp.
    # Count: 4
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  19. gull sp. Larinae sp.
    # Count: 30
    Date:
    Observer: James Walker
    Location: San Gregorio SB
  20. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 1
    Date:
    Observer: George Chrisman
    Location: San Gregorio SB
  21. peep sp. Calidris sp. (peep sp.)
    # Count: 4
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  22. cormorant sp. Phalacrocoracidae sp.
    # Count: 2
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  23. loon sp. Gavia sp.
    # Count: X
    Date:
    Observer: Jane Tatchell
    Location: San Gregorio SB
  24. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 1
    Date:
    Observer: Jennifer Rycenga
    Location: San Gregorio SB
  25. Larus sp. Larus sp.
    # Count: X
    Date:
    Observer: Randy Little
    Location: San Gregorio SB