Illustrated Checklist

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Native and Naturalized (217)

  1. Last observed by David Lumpkin on 28 Jan 2017
  2. Last observed by Richard Erickson on 21 Feb 1971
  3. Last observed by David Lumpkin on 10 Feb 2024
  4. Last observed by Cypress Grove Research Center Data (ACR) on 30 Jan 2005
  5. Last observed by Alex Kroeger on 6 Apr 2024
  6. Last observed by Lisa Hug on 4 Dec 2008
  7. Last observed by Teri Wills on 30 Jan 2011
  8. Last observed by Daniel Froehlich on 5 Feb 2000
  9. Last observed by Bob Battagin on 8 Mar 2007
  10. Last observed by Anonymous eBirder on 14 Mar 2024
  11. Last observed by Kevin Schwartz on 17 Jul 2021
  12. Last observed by David Lumpkin on 18 Dec 2021
  13. Last observed by Anonymous eBirder on 14 Mar 2024
  14. Last observed by Anonymous eBirder on 14 Mar 2024
  15. Last observed by David Lumpkin on 27 Jan 2024
  16. Last observed by David Lumpkin on 27 Jan 2024
  17. Last observed by Leo Edson on 6 Jan 2015
  18. Last observed by Jan Wilson Pehoviack on 1 Feb 2011
  19. Last observed by Pat Friday on 24 Dec 2022
  20. Last observed by Robbie Fischer on 1 Jan 2003
  21. Last observed by Alex Kroeger on 6 Apr 2024
  22. Last observed by David Lumpkin on 10 Feb 2024
  23. Last observed by Cypress Grove Research Center Data (ACR) on 22 Jan 2011
  24. Last observed by Alex Kroeger on 6 Apr 2024
  25. Last observed by David Lumpkin on 10 Feb 2024
  26. Last observed by David Lumpkin on 16 Dec 2023
  27. Last observed by David Lumpkin on 10 Feb 2024
  28. Last observed by Anonymous eBirder on 14 Mar 2024
  29. Last observed by David Lumpkin on 10 Feb 2024
  30. Last observed by Anonymous eBirder on 14 Mar 2024
  31. Last observed by David Lumpkin on 10 Feb 2024
  32. Last observed by David Lumpkin on 10 Feb 2024
  33. Last observed by David Lumpkin on 10 Feb 2024
  34. Last observed by Anonymous eBirder on 14 Mar 2024
  35. Last observed by David Lumpkin on 10 Feb 2024
  36. Last observed by David Lumpkin on 10 Feb 2024
  37. Last observed by David Lumpkin on 10 Feb 2024
  38. Last observed by Alex Kroeger on 6 Apr 2024
  39. Last observed by The Spotting Twohees on 19 Feb 2024
  40. Last observed by David Lumpkin on 16 Dec 2023
  41. Last observed by Ken Steigman on 17 Oct 2021
  42. Last observed by Connor Cochrane on 16 Jan 2021
  43. Last observed by Anonymous eBirder on 14 Mar 2024
  44. Last observed by Ed Stedman on 6 Jul 2003
  45. Last observed by David Lumpkin on 21 Jan 2023
  46. Last observed by Richard Erickson on 21 Feb 1971
  47. Last observed by Marin County Historical Record on 12 Dec 1992
  48. Last observed by Curtis Marantz on 29 Jan 2006
  49. Last observed by Curtis Marantz on 29 Jan 2006
  50. Last observed by David Lumpkin on 21 Jan 2023
  51. Last observed by carlo arreglo on 20 Oct 2013
  52. Last observed by Shantanu Phukan on 20 Jan 2015
  53. Last observed by Mike Freeman on 3 Nov 2008
  54. Last observed by Ken Steigman on 17 Oct 2021
  55. Last observed by Jeff Miller on 30 Apr 2011
  56. Last observed by Anonymous eBirder on 14 Mar 2024
  57. Last observed by Alex Kroeger on 6 Apr 2024
  58. Last observed by Ken Steigman on 17 Oct 2021
  59. Last observed by David Lumpkin on 21 Jan 2023
  60. Last observed by David Lumpkin on 10 Feb 2024
  61. Last observed by Richard Erickson on 8 May 1976
  62. Last observed by David Lumpkin on 10 Feb 2024
  63. Last observed by David Lumpkin on 18 Dec 2021
  64. Last observed by Ken Murphy on 21 Sep 1994
  65. Last observed by David Lumpkin on 10 Feb 2024
  66. Last observed by Jim Bair on 12 Mar 1976
  67. Last observed by Daniel Froehlich on 5 Feb 2000
  68. Last observed by David Lumpkin on 10 Feb 2024
  69. Last observed by David Lumpkin on 10 Feb 2024
  70. Last observed by David Lumpkin on 10 Feb 2024
  71. Last observed by James Allen on 6 Apr 2024
  72. Last observed by Cypress Grove Research Center Data (ACR) on 18 Feb 1999
  73. Last observed by Kevin Schwartz on 17 Jul 2021
  74. Last observed by David Lumpkin on 27 Jan 2024
  75. Last observed by Marin County Historical Record on 9 Apr 1976
  76. Last observed by David Lumpkin on 27 Oct 2021
  77. Last observed by David Lumpkin on 10 Feb 2024
  78. Last observed by David Lumpkin on 10 Feb 2024
  79. Last observed by James Allen on 6 Apr 2024
  80. Last observed by David Lumpkin on 16 Dec 2023
  81. Last observed by Aidan Brubaker on 8 Feb 2021
  82. Last observed by James Allen on 6 Apr 2024
  83. Last observed by David Lumpkin on 10 Feb 2024
  84. Last observed by Mark Dettling on 16 Dec 2023
  85. Last observed by Marin County Historical Record on 23 Jun 1993
  86. Last observed by Colin Clemmons on 23 Apr 2023
  87. Last observed by David Lumpkin on 10 Feb 2024
  88. Last observed by Cypress Grove Research Center Data (ACR) on 13 Aug 1989
  89. Last observed by Aidan Brubaker on 14 Nov 2020
  90. Last observed by David Lumpkin on 10 Feb 2024
  91. Last observed by Emily Culhane on 9 Feb 2024
  92. Last observed by David Lumpkin on 10 Feb 2024
  93. Last observed by Tom Duncan on 19 Feb 2021
  94. Last observed by Cypress Grove Research Center Data (ACR) on 19 Sep 1993
  95. Last observed by Richard Erickson on 21 Feb 1971
  96. Last observed by Marin County Historical Record on 3 Jul 1998
  97. Last observed by David Lumpkin on 6 Feb 2016
  98. Last observed by Alex Kroeger on 6 Apr 2024
  99. Last observed by David Lumpkin on 10 Feb 2024
  100. Last observed by David Lumpkin on 27 Jan 2024
  101. Last observed by Marin County Historical Record on 18 Jul 1997
  102. Last observed by Anonymous eBirder on 14 Mar 2024
  103. Last observed by Ken Steigman on 17 Oct 2021
  104. Last observed by Alex Kroeger on 6 Apr 2024
  105. Last observed by Anonymous eBirder on 14 Mar 2024
  106. Last observed by James Allen on 6 Apr 2024
  107. Last observed by James Allen on 6 Apr 2024
  108. Last observed by David Lumpkin on 10 Feb 2024
  109. Last observed by Aidan Brubaker on 21 Feb 2021
  110. Last observed by James Allen on 6 Apr 2024
  111. Last observed by Feipeng Huang on 16 Jul 2022
  112. Last observed by Anonymous eBirder on 14 Mar 2024
  113. Last observed by David Lumpkin on 27 Jan 2024
  114. Last observed by David Lumpkin on 27 Jan 2024
  115. Last observed by Marin County Historical Record on 31 Oct 1978
  116. Last observed by David Lumpkin on 10 Feb 2024
  117. Last observed by David Lumpkin on 14 Dec 2019
  118. Last observed by Joan Lamphier on 21 Mar 2019
  119. Last observed by Ben Abramovitz on 27 Aug 2016
  120. Last observed by Ken Steigman on 17 Oct 2021
  121. Last observed by Steven Albert on 15 Feb 2016
  122. Last observed by Richard Erickson on 24 Oct 1964
  123. Last observed by Alex Kroeger on 6 Apr 2024
  124. Last observed by Jonah Benningfield on 17 Jan 2015
  125. Last observed by Kevin Schwartz on 17 Jul 2021
  126. Last observed by Brian Browne on 6 Feb 2021
  127. Last observed by David Lumpkin on 18 Dec 2021
  128. Last observed by James Allen on 6 Apr 2024
  129. Last observed by David Lumpkin on 10 Feb 2024
  130. Last observed by Connor Cochrane on 16 Jan 2021
  131. Last observed by David Lumpkin on 16 Dec 2023
  132. Last observed by Kevin Schwartz on 17 Jul 2021
  133. Last observed by David Lumpkin on 27 Jan 2024
  134. Last observed by Ken Steigman on 17 Oct 2021
  135. Last observed by Philip Georgakakos on 28 Aug 2022
  136. Last observed by Abe Borker on 30 Mar 2013
  137. Last observed by Gretel DeRuiter on 29 Mar 2006
  138. Last observed by Mia Harris on 7 Sep 2023
  139. Last observed by Anonymous eBirder on 14 Mar 2024
  140. Last observed by James Allen on 6 Apr 2024
  141. Last observed by James Allen on 6 Apr 2024
  142. Last observed by Pat Friday on 24 Dec 2022
  143. Last observed by Bob Battagin on 8 Mar 2007
  144. Last observed by Scott Bowers on 27 Oct 2012
  145. Last observed by Alex Kroeger on 6 Apr 2024
  146. Last observed by Philip Georgakakos on 28 Aug 2022
  147. Last observed by Feipeng Huang on 16 Jul 2022
  148. Last observed by David Lumpkin on 27 Jan 2024
  149. Last observed by Philip Georgakakos on 28 Aug 2022
  150. Last observed by Mia Harris on 7 Sep 2023
  151. Last observed by Richard Norton on 1 Feb 2011
  152. Last observed by Feipeng Huang on 16 Jul 2022
  153. Last observed by Aidan Brubaker on 8 Feb 2021
  154. Last observed by Mia Harris on 7 Sep 2023
  155. Last observed by Aidan Brubaker on 8 Feb 2021
  156. Last observed by Mia Harris on 7 Sep 2023
  157. Last observed by Jacob Isaacson on 14 Dec 2021
  158. Last observed by The Spotting Twohees on 19 Feb 2024
  159. Last observed by Anonymous eBirder on 14 Mar 2024
  160. Last observed by Diego Bustamante on 12 Jun 2018
  161. Last observed by David Lumpkin on 18 Dec 2021
  162. Last observed by Aidan Brubaker on 8 Feb 2021
  163. Last observed by Philip Georgakakos on 28 Aug 2022
  164. Last observed by Anonymous eBirder on 14 Mar 2024
  165. Last observed by Connor Cochrane on 16 Jan 2021
  166. Last observed by Anonymous eBirder on 14 Mar 2024
  167. Last observed by Jacob Isaacson on 14 Dec 2021
  168. Last observed by Aidan Brubaker on 8 Feb 2021
  169. Last observed by Connor Cochrane on 16 Jan 2021
  170. Last observed by Feipeng Huang on 16 Jul 2022
  171. Last observed by Jonah Benningfield on 17 Jan 2015
  172. Last observed by Anonymous eBirder on 14 Mar 2024
  173. Last observed by Jonah Benningfield on 17 Jan 2015
  174. Last observed by Anonymous eBirder on 14 Mar 2024
  175. Last observed by James Allen on 6 Apr 2024
  176. Last observed by James Allen on 6 Apr 2024
  177. Last observed by David Lumpkin on 27 Jan 2024
  178. Last observed by David Lumpkin on 27 Jan 2024
  179. Last observed by Anonymous eBirder on 14 Mar 2024
  180. Last observed by Richard Erickson on 21 Feb 1971
  181. Last observed by Caitlin Kiska on 25 Nov 2017
  182. Last observed by Anonymous eBirder on 14 Mar 2024
  183. Last observed by Philip Georgakakos on 28 Aug 2022
  184. Last observed by Lisa Hug on 23 Nov 2013
  185. Last observed by Aidan Brubaker on 21 Feb 2021
  186. Last observed by Kevin Schwartz on 7 Apr 2019
  187. Last observed by Bob Battagin on 17 Sep 2001

Exotic: Provisional (1)

  1. Last observed by David Lumpkin on 17 Dec 2016

Exotic: Escapee (1)

Hybrids (1)

  1. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    Last observed by David Lumpkin on 27 Jan 2024

Additional Taxa (18)

  1. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by David Lumpkin on 16 Dec 2023
  2. scoter sp. Melanitta sp.
    Last observed by David Lumpkin on 11 Feb 2017
  3. duck sp. Anatidae (duck sp.)
    Last observed by Ken Steigman on 17 Oct 2021
  4. Horned/Eared Grebe Podiceps auritus/nigricollis
    Last observed by David Lumpkin on 14 Dec 2019
  5. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    Last observed by David Lumpkin on 16 Dec 2023
  6. hummingbird sp. Trochilidae sp.
    Last observed by Ken Steigman on 17 Oct 2021
  7. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    Last observed by Aidan Brubaker on 8 Feb 2021
  8. peep sp. Calidris sp. (peep sp.)
    Last observed by David Lumpkin on 21 Jan 2023
  9. Calidris sp. Calidris sp.
    Last observed by David Lumpkin on 27 Jan 2024
  10. shorebird sp. Charadriiformes sp.
    Last observed by Michael Spencer on 14 Mar 2019
  11. Larus sp. Larus sp.
    Last observed by Aidan Brubaker on 8 Feb 2021
  12. gull sp. Larinae sp.
    Last observed by The Spotting Twohees on 19 Feb 2024
  13. loon sp. Gavia sp.
    Last observed by Colin Meusel on 8 Aug 2018
  14. cormorant sp. Phalacrocoracidae sp.
    Last observed by Anonymous eBirder on 14 Mar 2024
  15. Accipiter sp. Accipiter sp.
    Last observed by David Lumpkin on 28 Jan 2017
  16. Buteo sp. Buteo sp.
    Last observed by David Lumpkin on 17 Dec 2016
  17. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    Last observed by David Lumpkin on 27 Jan 2024
  18. swallow sp. Hirundinidae sp.
    Last observed by Amanda Starbuck on 11 Aug 2013