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Illustrated Checklist

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100 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (100)

  1. Last observed by Matt Sadowski on 7 Nov 2015
  2. Last observed by Mark L. Hoffman on 16 May 2023
  3. Last observed by Carl Schroeder on 8 Jul 1974
  4. Last observed by Deborah House on 31 Mar 1996
  5. Last observed by Guy Kirwan on 8 Mar 2007
  6. Last observed by Jonathan Feenstra on 7 Mar 2010
  7. Last observed by Frank Hall on 7 Aug 2013
  8. Last observed by Kenneth Weaver on 31 Jan 1999
  9. Last observed by Richard Erickson on 18 May 2002
  10. Last observed by Mark L. Hoffman on 16 May 2023
  11. Last observed by Jonathan Vargas on 26 Mar 2022
  12. Last observed by Mark L. Hoffman on 16 May 2023
  13. Last observed by Daniel S. on 4 Oct 2008
  14. Last observed by Jonathan Feenstra on 7 Mar 2010
  15. Last observed by Jonathan Vargas on 3 Sep 2022
  16. Last observed by Jonathan Vargas on 3 Sep 2022
  17. Last observed by Mark L. Hoffman on 16 May 2023
  18. Last observed by Matt Sadowski on 7 Nov 2015
  19. Last observed by Christoph Moning on 7 Mar 2010
  20. Last observed by BJ Stacey on 11 Sep 2013
  21. Last observed by Matt Sadowski on 20 Mar 2007
  22. Last observed by Matt Sadowski on 13 Nov 2010
  23. Last observed by BJ Stacey on 11 Sep 2013
  24. Last observed by Tracey B on 2 Jan 2015
  25. Last observed by Rene Valdes 🦜 on 17 Nov 2021
  26. Last observed by Brian Nordstrom on 28 May 2012
  27. Last observed by Matt Sadowski on 13 Nov 2010
  28. Last observed by Jonathan Vargas on 26 Mar 2022
  29. Last observed by Bill McIver on 29 Mar 2007
  30. Last observed by Joseph Nizza on 28 Jul 2020
  31. Last observed by Jonathan Feenstra on 5 Mar 2011
  32. Last observed by Daniel S. on 4 Oct 2008
  33. Last observed by Bob Packard on 4 Apr 2009
  34. Last observed by Rene Valdes 🦜 on 26 May 2021
  35. Last observed by Oscar Johnson on 15 Mar 2008
  36. Last observed by George Wallace on 13 Feb 2010
  37. Last observed by Mark L. Hoffman on 16 May 2023
  38. Last observed by Jonathan Vargas on 26 Mar 2022
  39. Last observed by Matt Sadowski on 14 Feb 2005
  40. Last observed by Morgan Rich on 17 Jul 2022
  41. Last observed by Bob Packard on 4 Apr 2009
  42. Last observed by Nancy Christensen on 15 Jul 2014
  43. Last observed by BJ Stacey on 7 Aug 2010
  44. Last observed by Mike Andersen on 12 Feb 2010
  45. Last observed by Mary Gustafson on 4 Oct 2008
  46. Last observed by Joseph Nizza on 28 Jul 2020
  47. Last observed by Mark L. Hoffman on 16 May 2023
  48. Last observed by Mark L. Hoffman on 16 May 2023
  49. Last observed by Matt Sadowski on 13 Nov 2010
  50. Last observed by Mike Andersen on 12 Feb 2010
  51. Last observed by Christoph Moning on 7 Mar 2010
  52. Last observed by Christoph Moning on 7 Mar 2010
  53. Last observed by Arthur C. Bent Data on 10 Jul 1896
  54. Last observed by Bill McIver on 24 Apr 1995
  55. Last observed by Joseph Nizza on 28 Jul 2020
  56. Last observed by Nancy Christensen on 15 Jul 2014
  57. Last observed by Matt Sadowski on 20 Mar 2007
  58. Last observed by Rene Valdes 🦜 on 17 Nov 2021
  59. Last observed by Deborah House on 31 Mar 1996
  60. Last observed by Richard Erickson on 16 May 2023
  61. Last observed by Darrin O'Brien on 11 Feb 2010
  62. Last observed by Jonathan Vargas on 3 Sep 2022
  63. Last observed by Mark L. Hoffman on 16 May 2023
  64. Last observed by Morgan Rich on 17 Jul 2022
  65. Last observed by Jonathan Vargas on 3 Sep 2022
  66. Last observed by Jonathan Vargas on 26 Mar 2022
  67. Last observed by Mark L. Hoffman on 16 May 2023
  68. Last observed by Mark L. Hoffman on 16 May 2023
  69. Last observed by Jonathan Vargas on 3 Sep 2022
  70. Last observed by Mark L. Hoffman on 16 May 2023
  71. Last observed by Mark L. Hoffman on 16 May 2023
  72. Last observed by Matt Sadowski on 7 Nov 2015
  73. Last observed by Rene Valdes 🦜 on 17 Nov 2021
  74. Last observed by Jim Rowoth on 11 Feb 2001
  75. Last observed by Matt Sadowski on 7 Nov 2015
  76. Last observed by Matt Sadowski on 7 Nov 2015
  77. Last observed by Jonathan Vargas on 3 Sep 2022
  78. Last observed by Mark L. Hoffman on 16 May 2023
  79. Last observed by Richard Erickson on 6 Jun 2006
  80. Last observed by Richard Erickson on 18 May 2002
  81. Last observed by Brian Nordstrom on 28 May 2012
  82. Last observed by Michael Harrison on 6 Mar 2011
  83. Last observed by Richard Erickson on 6 Jun 2006
  84. Last observed by Richard Erickson on 6 Jun 2006
  85. Last observed by Jonathan Vargas on 26 Mar 2022
  86. Last observed by Jonathan Feenstra on 7 Mar 2009
  87. Last observed by Carl Schroeder on 8 Jul 1974
  88. Last observed by Jonathan Vargas on 26 Mar 2022
  89. Last observed by Rene Valdes 🦜 on 26 May 2021
  90. Last observed by Jonathan Vargas on 26 Mar 2022
  91. Last observed by Richard Erickson on 6 Jun 2006
  92. Last observed by Mark L. Hoffman on 16 May 2023
  93. Last observed by Jonathan Vargas on 26 Mar 2022
  94. Last observed by BJ Stacey on 11 Sep 2013
  95. Last observed by Richard Erickson on 6 Jun 2006
  96. Last observed by Richard Erickson on 18 May 2002
  97. Last observed by Richard Erickson on 18 May 2002
  98. Last observed by Richard Erickson on 18 May 2002
  99. Last observed by Richard Erickson on 18 May 2002
  100. Last observed by Rene Valdes 🦜 on 26 May 2021

Hybrids (2)

  1. American x Black Oystercatcher (hybrid) Haematopus palliatus x bachmani
    Last observed by Jonathan Vargas on 26 Mar 2022
  2. Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescens
    Last observed by Jonathan Feenstra on 8 Mar 2009

Additional Taxa (10)

  1. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    Last observed by Matt Sadowski on 13 Nov 2010
  2. hummingbird sp. Trochilidae sp.
    Last observed by Richard Erickson on 26 May 2021
  3. Scripps's/Guadalupe Murrelet (Xantus's Murrelet) Synthliboramphus scrippsi/hypoleucus
    Last observed by Tim Parker on 12 Feb 2010
  4. alcid sp. Alcidae sp.
    Last observed by Richard Erickson on 6 Jun 2006
  5. gull sp. Larinae sp.
    Last observed by Larry Edwards on 7 Mar 2009
  6. Leach's/Townsend's/Ainley's Storm-Petrel Hydrobates leucorhous/socorroensis/cheimomnestes
    Last observed by Frank Hall on 7 Aug 2013
  7. storm-petrel sp. Oceanitidae/Hydrobatidae sp.
    Last observed by Bill McIver on 29 Mar 2007
  8. Sooty/Short-tailed Shearwater Ardenna grisea/tenuirostris
    Last observed by Matt Sadowski on 6 Mar 2011
  9. Tyrannus sp. Tyrannus sp.
    Last observed by Richard Erickson on 6 Jun 2006
  10. new world warbler sp. Parulidae sp.
    Last observed by Richard Erickson on 18 May 2002