Illustrated Checklist

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Native and Naturalized (236)

  1. Last observed by Norman Uyeda on 1 Jan 2021
  2. Last observed by David Bell on 20 Nov 2023
  3. Last observed by David Bell on 19 Nov 2023
  4. Last observed by Christopher Soriano on 24 Apr 2024
  5. Last observed by Christopher Soriano on 24 Apr 2024
  6. Last observed by Paul Heady on 13 Sep 2023
  7. Last observed by Liam Murphy on 28 Jan 2019
  8. Last observed by David Bell on 20 Nov 2023
  9. Last observed by Ketury Stein on 20 Oct 2023
  10. Last observed by Tim Thompson on 21 Oct 2023
  11. Last observed by Paul Heady on 25 Apr 2024
  12. Last observed by UCSC NH of Birds class on 9 Nov 2023
  13. Last observed by UCSC NH of Birds class on 15 Oct 2023
  14. Last observed by Tom Unsicker on 2 Jan 2014
  15. Last observed by UCSC NH of Birds class on 12 Nov 2023
  16. Last observed by Phil Brown on 23 Oct 2007
  17. Last observed by Abram Fleishman on 14 Jan 2023
  18. Last observed by David Bell on 20 Nov 2023
  19. Last observed by Muni Barash on 12 Nov 2022
  20. Last observed by Michael Bolte on 8 Nov 2020
  21. Last observed by Ryan Phillips on 8 Feb 2024
  22. Last observed by Valerie Neer on 13 Nov 2022
  23. Last observed by Anonymous eBirder on 1 Apr 2023
  24. Last observed by Nat Weber on 12 Nov 2022
  25. Last observed by Ernie Welch on 1 Jan 1992
  26. Last observed by Charlie Lysikhina on 21 Nov 2023
  27. Last observed by Lawrence Holland on 27 Jan 2024
  28. Last observed by Ari Zanger on 13 Jan 2019
  29. Last observed by Sharon Hull on 25 Apr 2024
  30. Last observed by Gary Kittleson on 27 Mar 2024
  31. Last observed by Sharon Hull on 25 Apr 2024
  32. Last observed by Christian Schwarz on 17 Sep 2022
  33. Last observed by Sharon Hull on 25 Apr 2024
  34. Last observed by David Suddjian on 24 Sep 1990
  35. Last observed by George Cook on 31 Mar 2017
  36. Last observed by Robert Floerke on 16 Dec 2023
  37. Last observed by David Sidle on 28 Jan 2024
  38. Last observed by Naomi Goodman on 24 Apr 2024
  39. Last observed by Eileen Murphy on 13 Sep 2016
  40. Last observed by Gary Kittleson on 19 Dec 2022
  41. Last observed by Alex Rinkert on 8 Sep 2023
  42. Last observed by Alex Rinkert on 23 Sep 2014
  43. Last observed by Patricia Bacchetti on 16 Dec 2022
  44. Last observed by Abram Fleishman on 14 Jan 2023
  45. Last observed by Gary Kittleson on 6 Sep 2021
  46. Last observed by Kate Edwards on 16 May 2023
  47. Last observed by John Loch on 11 Sep 1977
  48. Last observed by Nicholas Levendosky on 26 Aug 2014
  49. Last observed by Ernie Welch on 1 Jan 1992
  50. Last observed by Christopher Soriano on 4 May 2023
  51. Last observed by Jeff Bleam on 31 May 2010
  52. Last observed by Christian Schwarz on 12 May 2014
  53. Last observed by UCSC NH of Birds class on 29 Oct 2023
  54. Last observed by Paul Heady on 25 Apr 2024
  55. Last observed by Gayle Toyen on 7 Apr 2024
  56. Last observed by Lois Goldfrank on 14 Apr 2024
  57. Last observed by Steve Tucker on 18 Nov 2023
  58. Last observed by Christopher Soriano on 24 Apr 2024
  59. Last observed by Christopher Soriano on 24 Apr 2024
  60. Last observed by UCSC NH of Birds class on 12 Nov 2023
  61. Last observed by kent johnson on 18 Feb 2024
  62. Last observed by Christian Schwarz on 1 Oct 2013
  63. Last observed by UCSC NH of Birds class on 12 Nov 2023
  64. Last observed by Jane Rudebusch on 2 Oct 2014
  65. Last observed by Ernie Welch on 1 Jan 1992
  66. Last observed by Christopher Soriano on 24 Apr 2024
  67. Last observed by Gayle Toyen on 19 Apr 2024
  68. Last observed by Gene Revelas on 11 Apr 2024
  69. Last observed by Don Roberson on 16 Dec 1984
  70. Last observed by David Bell on 30 Dec 2023
  71. Last observed by Naomi Goodman on 24 Apr 2024
  72. Last observed by Lois Goldfrank on 14 Apr 2024
  73. Last observed by David Bell on 26 Dec 2023
  74. Last observed by Lynda Lewit on 25 Feb 2020
  75. Last observed by Neary Lagoon Program Coordinator on 8 Mar 2013
  76. Last observed by Christopher Soriano on 13 Mar 2024
  77. Last observed by Abram Fleishman on 1 Mar 2024
  78. Last observed by Gary Kittleson on 24 Apr 2024
  79. Last observed by David Bell on 5 Apr 2024
  80. Last observed by Paul Heady on 25 Apr 2024
  81. Last observed by John Garrett on 29 Sep 2014
  82. Last observed by David Bell on 5 Apr 2024
  83. Last observed by Gary Kittleson on 1 Sep 2022
  84. Last observed by Paul Heady on 25 Apr 2024
  85. Last observed by Bruce LaBar on 1 Oct 1987
  86. Last observed by Bruce LaBar on 1 Oct 1987
  87. Last observed by Gary Martindale on 8 Apr 2024
  88. Last observed by Nickie Zavinsky on 14 Feb 2003
  89. Last observed by Gary Kittleson on 8 Apr 2024
  90. Last observed by Cindy Cummings on 1 Apr 2024
  91. Last observed by Gary Kittleson on 2 Apr 2024
  92. Last observed by Charles Morano on 26 Mar 2024
  93. Last observed by Joyce Smith on 30 Mar 2023
  94. Last observed by David Bell on 30 Dec 2023
  95. Last observed by David Bell on 5 Apr 2024
  96. Last observed by Christopher Soriano on 6 May 2023
  97. Last observed by Arthur Macmillan on 12 Sep 2023
  98. Last observed by Phil Brown on 3 Oct 2007
  99. Last observed by Sharon Hull on 25 Apr 2024
  100. Last observed by Steve Tucker on 18 Nov 2023
  101. Last observed by Gray Gallogly Records on 22 Feb 1998
  102. Last observed by Jim Burgess on 20 May 2020
  103. Last observed by David Somerton on 1 Sep 2023
  104. Last observed by Pete Sole on 15 Apr 2024
  105. Last observed by Gary Kittleson on 16 May 2023
  106. Last observed by Steve Gerow on 1 Oct 2004
  107. Last observed by Steve Gerow on 21 Nov 2007
  108. Last observed by Paul Heady on 25 Apr 2024
  109. Last observed by Lois Goldfrank on 14 Sep 2015
  110. Last observed by David Bell on 5 Apr 2024
  111. Last observed by Christopher Soriano on 24 Apr 2024
  112. Last observed by Paul Heady on 25 Apr 2024
  113. Last observed by Lois Goldfrank on 14 Apr 2024
  114. Last observed by Paul Heady on 25 Apr 2024
  115. Last observed by Steve Gerow on 4 Aug 2007
  116. Last observed by Gary Kittleson on 24 Apr 2024
  117. Last observed by Paul Heady on 25 Apr 2024
  118. Last observed by Gary Kittleson on 20 Apr 2024
  119. Last observed by Breck Tyler on 31 Mar 2024
  120. Last observed by Lois Goldfrank on 14 Apr 2024
  121. Last observed by David Fickel on 12 Jan 2024
  122. Last observed by Dana Cox on 28 Mar 2024
  123. Last observed by Dario Taraborelli on 28 Mar 2022
  124. Last observed by Gayle Toyen on 7 Apr 2024
  125. Last observed by Paul Heady on 25 Apr 2024
  126. Last observed by Gary Kittleson on 8 Apr 2024
  127. Last observed by Jake Gifford on 20 Jan 2024
  128. Last observed by Cooper Smith on 3 Nov 2022
  129. Last observed by Alex Rinkert on 8 Sep 2023
  130. Last observed by David Sidle on 12 Apr 2024
  131. Last observed by Lois Goldfrank on 14 Apr 2024
  132. Last observed by Sharon Hull on 25 Apr 2024
  133. Last observed by David Bell on 5 Apr 2024
  134. Last observed by Alex Rinkert on 28 Oct 2023
  135. Last observed by Paul Heady on 25 Apr 2024
  136. Last observed by Jake Gifford on 5 Apr 2024
  137. Last observed by Don Roberson on 19 Dec 1987
  138. Last observed by Paul Heady on 25 Apr 2024
  139. Last observed by Paul Heady on 25 Apr 2024
  140. Last observed by Sharon Hull on 25 Apr 2024
  141. Last observed by Gayle Toyen on 8 Apr 2024
  142. Last observed by Nicholas Levendosky on 6 Sep 2018
  143. Last observed by David Suddjian on 30 Sep 1987
  144. Last observed by Gary Kittleson on 25 Aug 2022
  145. Last observed by Gayle Toyen on 7 Apr 2024
  146. Last observed by Sharon Hull on 25 Apr 2024
  147. Last observed by David Suddjian on 30 Sep 1987
  148. Last observed by Christine Robson on 15 Mar 2024
  149. Last observed by Paul Heady on 25 Apr 2024
  150. Last observed by Jasper Barnes on 1 Apr 2024
  151. Last observed by Nicholas Levendosky on 19 Nov 2020
  152. Last observed by spencer klinefelter on 9 Oct 2020
  153. Last observed by Paul Heady on 25 Apr 2024
  154. Last observed by Alex Rinkert on 17 May 2008
  155. Last observed by David Suddjian on 11 Sep 1986
  156. Last observed by John Scharpen on 14 Oct 2023
  157. Last observed by Michael Bolte on 15 Sep 2023
  158. Last observed by Gary Martindale on 8 Apr 2024
  159. Last observed by Matthew Wong on 28 May 2023
  160. Last observed by Lois Goldfrank on 14 Apr 2024
  161. Last observed by Simon Thornhill on 5 Sep 2020
  162. Last observed by Sharon Hull on 25 Apr 2024
  163. Last observed by John Scharpen on 14 Oct 2023
  164. Last observed by Steve Gerow on 3 Dec 1997
  165. Last observed by Bruce LaBar on 22 Oct 1978
  166. Last observed by Christian Schwarz on 11 Sep 2020
  167. Last observed by Matt Brady on 7 May 2004
  168. Last observed by Alex Rinkert on 29 Sep 2015
  169. Last observed by Rita Carratello on 15 Apr 2012
  170. Last observed by Gary Martindale on 28 Sep 2022
  171. Last observed by Gary Kittleson on 15 Apr 2024
  172. Last observed by Alex Rinkert on 29 Sep 2014
  173. Last observed by Kate Edwards on 23 Oct 2022
  174. Last observed by Francis Toldi on 1 Feb 1986
  175. Last observed by Lois Goldfrank on 26 Sep 2015
  176. Last observed by David Suddjian on 9 Dec 1995
  177. Last observed by Christine Robson on 10 Nov 2023
  178. Last observed by Valerie Neer on 3 Oct 2018
  179. Last observed by Michael Bolte on 26 Sep 2018
  180. Last observed by Phil Brown on 10 Jun 2004
  181. Last observed by Arthur Macmillan on 19 Nov 2023

Exotic: Escapee (2)

  1. Last observed by Alex Rinkert on 26 Oct 2021
  2. Last observed by Bob Hargis on 30 Oct 1983

Hybrids (5)

  1. Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchos
    Last observed by Gary Martindale on 25 Feb 2017
  2. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    Last observed by Alex Rinkert on 21 Sep 2020
  3. Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescens
    Last observed by Steve Gerow on 21 Feb 2011
  4. Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruber
    Last observed by Alex Rinkert on 5 Nov 2022
  5. MacGillivray's Warbler x Common Yellowthroat (hybrid) Geothlypis tolmiei x trichas
    Last observed by Darren Dowell on 20 Sep 2015

Additional Taxa (46)

  1. Snow/Ross's Goose Anser caerulescens/rossii
    Last observed by David Bell on 19 Nov 2023
  2. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    Last observed by Derek Kang on 18 Aug 2021
  3. Cackling/Canada Goose Branta hutchinsii/canadensis
    Last observed by Phil Brown on 31 May 2021
  4. goose sp. Anatidae (goose sp.)
    Last observed by sharon tolby on 20 Jan 2020
  5. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    Last observed by Raminder Bajwa on 5 Oct 2019
  6. teal sp. Anatidae sp. (teal sp.)
    Last observed by David Sidle on 3 Feb 2014
  7. duck sp. Anatidae (duck sp.)
    Last observed by UCSC NH of Birds class on 19 Oct 2023
  8. swift sp. Apodidae sp.
    Last observed by Eric Goodill on 5 Oct 2019
  9. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    Last observed by kent johnson on 28 Mar 2024
  10. hummingbird sp. Trochilidae sp.
    Last observed by Christopher Soriano on 24 Mar 2024
  11. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    Last observed by Steve Gerow on 29 Apr 2011
  12. peep sp. Calidris sp. (peep sp.)
    Last observed by Steve Gerow on 29 Apr 2011
  13. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    Last observed by Christian Schwarz on 3 Sep 2014
  14. Larus sp. Larus sp.
    Last observed by Lawrence Seeberger on 8 Apr 2024
  15. gull sp. Larinae sp.
    Last observed by Christopher Soriano on 24 Apr 2024
  16. loon sp. Gavia sp.
    Last observed by Pete Sole on 15 Apr 2024
  17. cormorant sp. Phalacrocoracidae sp.
    Last observed by UCSC NH of Birds class on 19 Oct 2023
  18. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by Jo Coe on 18 Feb 2024
  19. Accipiter sp. Accipiter sp.
    Last observed by Steve Gerow on 8 Jan 2016
  20. Buteo sp. Buteo sp.
    Last observed by Dylan Foust on 28 Dec 2023
  21. hawk sp. Accipitridae sp. (hawk sp.)
    Last observed by UCSC NH of Birds class on 26 Oct 2021
  22. Red-naped/Red-breasted Sapsucker Sphyrapicus nuchalis/ruber
    Last observed by David Bell on 18 Oct 2023
  23. sapsucker sp. Sphyrapicus sp.
    Last observed by Lawrence Holland on 9 Feb 2022
  24. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    Last observed by David Fickel on 19 May 2023
  25. woodpecker sp. Picidae sp.
    Last observed by UCSC NH of Birds class on 2 Nov 2023
  26. falcon sp. Falco sp.
    Last observed by Kate Edwards on 10 Jan 2023
  27. Empidonax sp. Empidonax sp.
    Last observed by Darren Dowell on 20 Sep 2015
  28. yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)
    Last observed by Alex Rinkert on 23 Sep 2018
  29. new world flycatcher sp. Tyrannidae sp.
    Last observed by Phil Brown on 22 Oct 2017
  30. vireo sp. Vireo sp.
    Last observed by A Kopitov on 24 Aug 2016
  31. crow/raven sp. Corvus sp.
    Last observed by Pete Sole on 20 Mar 2023
  32. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    Last observed by Gary Kittleson on 8 Apr 2024
  33. swallow sp. Hirundinidae sp.
    Last observed by Sharon Hull on 25 Apr 2024
  34. Phylloscopus sp. Phylloscopus sp.
    Last observed by Brian Bullard on 8 Oct 2020
  35. House/Purple Finch Haemorhous mexicanus/purpureus
    Last observed by Sam Baxter-Bray on 17 Mar 2022
  36. new world goldfinch sp. Spinus sp. (goldfinch sp.)
    Last observed by Kathy DeVoy on 18 Jan 2023
  37. Zonotrichia sp. Zonotrichia sp.
    Last observed by Lawrence Seeberger on 2 Nov 2021
  38. new world sparrow sp. Passerellidae sp.
    Last observed by ann chandler on 7 Jan 2024
  39. Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolor
    Last observed by Gabriel Wiltse on 27 Jul 2019
  40. blackbird sp. Icteridae sp.
    Last observed by Christian Schwarz on 17 Sep 2022
  41. yellowthroat sp. Geothlypis sp. (yellowthroat sp.)
    Last observed by Christian Schwarz on 14 Sep 2015
  42. Townsend's/Hermit Warbler Setophaga townsendi/occidentalis
    Last observed by Nicholas Levendosky on 4 Mar 2020
  43. new world warbler sp. Parulidae sp.
    Last observed by Ann Eatinger on 17 Nov 2023
  44. Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalus
    Last observed by Steve Gerow on 6 Oct 2016
  45. Lazuli/Indigo Bunting Passerina amoena/cyanea
    Last observed by Steve Gerow on 12 Aug 2012
  46. passerine sp. Passeriformes sp.
    Last observed by Lawrence Seeberger on 8 Apr 2024