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Otter Slough CA

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Illustrated Checklist

 Powered by Macaulay Library and eBird
Updated ~2 minutes ago

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276 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (276)

  1. Last observed by Jim Malone on 3 Sep 2022
  2. Last observed by Pete Monacell on 27 Aug 2019
  3. Last observed by David Bradnum on 22 Apr 2024
  4. Last observed by Ethan Hoggard on 16 Feb 2024
  5. Last observed by Karin Pelton on 10 Apr 2024
  6. Last observed by linda ar on 16 Feb 2023
  7. Last observed by David Bradnum on 22 Apr 2024
  8. Last observed by Rob Francis on 4 Mar 2022
  9. Last observed by CACHE/SPARKS program on 15 Mar 2010
  10. Last observed by David Bradnum on 22 Apr 2024
  11. Last observed by David Bradnum on 22 Apr 2024
  12. Last observed by David Stone on 3 Apr 2022
  13. Last observed by David Bradnum on 22 Apr 2024
  14. Last observed by Allen Gathman on 13 Apr 2024
  15. Last observed by Steve Griffaw on 8 Apr 2024
  16. Last observed by Karin Pelton on 10 Apr 2024
  17. Last observed by David Stone on 12 Feb 2022
  18. Last observed by Chris Barrigar on 30 Oct 2011
  19. Last observed by Leon Book on 13 Mar 2024
  20. Last observed by David Bradnum on 22 Apr 2024
  21. Last observed by Leon Book on 13 Mar 2024
  22. Last observed by Lonnie Somer on 23 Mar 2024
  23. Last observed by Allen Gathman on 13 Apr 2024
  24. Last observed by linda ar on 16 Feb 2023
  25. Last observed by Lonnie Somer on 23 Mar 2024
  26. Last observed by Lonnie Somer on 23 Mar 2024
  27. Last observed by Reva Dow on 26 Feb 2023
  28. Last observed by Chris Barrigar on 8 Apr 2024
  29. Last observed by David Stone on 12 Feb 2022
  30. Last observed by David Stone on 3 Apr 2022
  31. Last observed by David Bradnum on 22 Apr 2024
  32. Last observed by Jim Landrum on 29 Sep 2023
  33. Last observed by Ethan Hoggard on 6 Mar 2023
  34. Last observed by David Bradnum on 22 Apr 2024
  35. Last observed by David Stone on 27 Nov 2021
  36. Last observed by Mark Haas on 26 Sep 2020
  37. Last observed by Dave Nussbaum on 23 Feb 2024
  38. Last observed by Isaac Goes on 8 Apr 2024
  39. Last observed by Allen Gathman on 13 Apr 2024
  40. Last observed by Dave Nussbaum on 12 Sep 2023
  41. Last observed by CACHE/SPARKS program on 17 May 2010
  42. Last observed by Mark Hahn on 5 May 2021
  43. Last observed by CACHE/SPARKS program on 29 Apr 2012
  44. Last observed by Arron Hendershott on 11 May 2023
  45. Last observed by Jim Landrum on 29 Sep 2023
  46. Last observed by Chris Barrigar on 13 Jul 2015
  47. Last observed by Chris Barrigar on 8 Apr 2024
  48. Last observed by Chris Barrigar on 8 Apr 2024
  49. Last observed by Kristie Nelson on 15 Aug 2022
  50. Last observed by David Bradnum on 22 Apr 2024
  51. Last observed by CACHE/SPARKS program on 28 Jan 2012
  52. Last observed by David Bradnum on 22 Apr 2024
  53. Last observed by Mark Haas on 9 Oct 2022
  54. Last observed by Mark S. Hoffman on 16 Sep 2022
  55. Last observed by Allen Gathman on 13 Apr 2024
  56. Last observed by Allen Gathman on 13 Apr 2024
  57. Last observed by Jim Malone on 3 Sep 2022
  58. Last observed by debbie martin on 30 Apr 2023
  59. Last observed by Tim Kavan on 17 Apr 2018
  60. Last observed by Keith Brink on 30 Apr 2023
  61. Last observed by David Bradnum on 22 Apr 2024
  62. Last observed by Lonnie Somer on 23 Mar 2024
  63. Last observed by David Bradnum on 22 Apr 2024
  64. Last observed by Chris Barrigar on 8 Apr 2024
  65. Last observed by Ethan Hoggard on 17 May 2021
  66. Last observed by Karin Pelton on 10 Apr 2024
  67. Last observed by David Bradnum on 22 Apr 2024
  68. Last observed by David Bradnum on 22 Apr 2024
  69. Last observed by Ruth Richards on 29 Apr 2021
  70. Last observed by David Bradnum on 22 Apr 2024
  71. Last observed by Joshua Uffman on 1 Jun 2013
  72. Last observed by CACHE/SPARKS program on 22 Sep 2007
  73. Last observed by Timothy P. Jones on 26 Apr 2009
  74. Last observed by David Bradnum on 22 Apr 2024
  75. Last observed by Ethan Hoggard on 3 Aug 2021
  76. Last observed by Dave Nussbaum on 18 Aug 2020
  77. Last observed by David Bradnum on 22 Apr 2024
  78. Last observed by SALLY HANCOCK on 11 May 2023
  79. Last observed by debbie martin on 30 Apr 2023
  80. Last observed by Raymond VanBuskirk on 8 Apr 2024
  81. Last observed by David Bradnum on 22 Apr 2024
  82. Last observed by Tim Kavan on 27 Aug 2019
  83. Last observed by SALLY HANCOCK on 11 May 2023
  84. Last observed by Lucas Bobay on 21 Mar 2022
  85. Last observed by Chris Barrigar on 8 Apr 2024
  86. Last observed by Russ Ruffing on 22 Oct 2023
  87. Last observed by Judy Bergmann on 21 Apr 2020
  88. Last observed by Joseph McPhail on 17 Aug 2018
  89. Last observed by Jacob Tsikoyak on 30 Apr 2023
  90. Last observed by Ryan McGinty on 14 May 2023
  91. Last observed by Raymond VanBuskirk on 8 Apr 2024
  92. Last observed by Rob Francis on 5 Nov 2021
  93. Last observed by Nathan Goldberg on 28 Aug 2020
  94. Last observed by Lottie Bushmann on 29 Apr 2023
  95. Last observed by David Bradnum on 22 Apr 2024
  96. Last observed by JD Paes on 19 Apr 2022
  97. Last observed by Ryan McGinty on 8 May 2023
  98. Last observed by Mark Hahn on 29 Apr 2023
  99. Last observed by Ryan McGinty on 8 May 2023
  100. Last observed by Allen Gathman on 8 Sep 2022
  101. Last observed by Ethan Hoggard on 9 Apr 2024
  102. Last observed by Jeff Cantrell on 22 Aug 2023
  103. Last observed by Greg Samuel on 29 Jul 2012
  104. Last observed by Leon Book on 16 Aug 2023
  105. Last observed by Ethan Hoggard on 24 Apr 2024
  106. Last observed by Daniel Swofford on 19 Nov 2022
  107. Last observed by Chris Barrigar on 8 Apr 2024
  108. Last observed by Karin Pelton on 10 Apr 2024
  109. Last observed by Kristie Nelson on 15 Aug 2022
  110. Last observed by Mark Haas on 27 Apr 2019
  111. Last observed by Kearby Bridges on 30 Apr 2023
  112. Last observed by Pete Monacell on 27 Aug 2019
  113. Last observed by Daniel Fisher on 25 Feb 2024
  114. Last observed by Isaac Goes on 8 Apr 2024
  115. Last observed by Jeff Cantrell on 22 Aug 2023
  116. Last observed by David Haas on 28 Dec 2018
  117. Last observed by Kathleen Wann on 9 May 2023
  118. Last observed by Raymond VanBuskirk on 8 Apr 2024
  119. Last observed by Jonathan Lethbridge on 22 Apr 2024
  120. Last observed by Ethan Hoggard on 13 Jan 2024
  121. Last observed by Allen Gathman on 13 Apr 2024
  122. Last observed by Allen Gathman on 13 Apr 2024
  123. Last observed by Allen Gathman on 9 Sep 2023
  124. Last observed by Chris Barrigar on 8 Apr 2024
  125. Last observed by Ethan Hoggard on 11 Mar 2024
  126. Last observed by CACHE/SPARKS program on 18 Apr 2010
  127. Last observed by Mark Haas on 9 Oct 2022
  128. Last observed by Ethan Hoggard on 20 Feb 2023
  129. Last observed by Jeff Cantrell on 8 Apr 2024
  130. Last observed by Mike Stake on 10 Jan 1992
  131. Last observed by Ethan Hoggard on 13 Jan 2024
  132. Last observed by Susan Burkhart on 20 Sep 2023
  133. Last observed by Jacob Tsikoyak on 30 Apr 2023
  134. Last observed by Allen Gathman on 13 Apr 2024
  135. Last observed by David Bradnum on 22 Apr 2024
  136. Last observed by David Bradnum on 22 Apr 2024
  137. Last observed by Jeff Cantrell on 8 Apr 2024
  138. Last observed by Chris Barrigar on 8 Apr 2024
  139. Last observed by Chris Barrigar on 8 Apr 2024
  140. Last observed by Mark Haas on 9 Dec 2022
  141. Last observed by Chris Barrigar on 8 Apr 2024
  142. Last observed by Dave Nussbaum on 25 Feb 2021
  143. Last observed by Judy Bergmann on 8 Sep 2023
  144. Last observed by Jay Huila Balvin on 14 Oct 2023
  145. Last observed by Jim Landrum on 29 Sep 2023
  146. Last observed by Allen Gathman on 9 Sep 2023
  147. Last observed by Shayla March on 30 Aug 2023
  148. Last observed by Arron Hendershott on 11 May 2023
  149. Last observed by Ethan Hoggard on 17 May 2021
  150. Last observed by Allen Gathman on 13 Apr 2024
  151. Last observed by David Bradnum on 22 Apr 2024
  152. Last observed by CACHE/SPARKS program on 9 May 2010
  153. Last observed by Leon Book on 23 Sep 2023
  154. Last observed by Jim Landrum on 29 Sep 2023
  155. Last observed by Jeff Cantrell on 8 Apr 2024
  156. Last observed by Leon Book on 18 May 2023
  157. Last observed by Allen Gathman on 9 Sep 2023
  158. Last observed by Jim Landrum on 29 Sep 2022
  159. Last observed by Allen Gathman on 9 Sep 2023
  160. Last observed by Allen Gathman on 13 Apr 2024
  161. Last observed by Allen Gathman on 9 Sep 2023
  162. Last observed by Jim Landrum on 10 Mar 2024
  163. Last observed by David Bradnum on 22 Apr 2024
  164. Last observed by David Bradnum on 22 Apr 2024
  165. Last observed by David Bradnum on 22 Apr 2024
  166. Last observed by David Bradnum on 22 Apr 2024
  167. Last observed by David Bradnum on 22 Apr 2024
  168. Last observed by Jeff Cantrell on 8 Apr 2024
  169. Last observed by Ethan Hoggard on 1 May 2023
  170. Last observed by Raymond VanBuskirk on 8 Apr 2024
  171. Last observed by Isaac Goes on 8 Apr 2024
  172. Last observed by Raymond VanBuskirk on 8 Apr 2024
  173. Last observed by David Bradnum on 22 Apr 2024
  174. Last observed by David Bradnum on 22 Apr 2024
  175. Last observed by Allen Gathman on 13 Apr 2024
  176. Last observed by Karin Pelton on 10 Apr 2024
  177. Last observed by Chris Barrigar on 8 Apr 2024
  178. Last observed by Karin Pelton on 7 Jan 2023
  179. Last observed by Leon Book on 13 Mar 2024
  180. Last observed by David Bradnum on 22 Apr 2024
  181. Last observed by debbie martin on 30 Apr 2023
  182. Last observed by Leon Book on 13 Mar 2024
  183. Last observed by Dave Nussbaum on 5 May 2021
  184. Last observed by Raymond VanBuskirk on 8 Apr 2024
  185. Last observed by David Bradnum on 22 Apr 2024
  186. Last observed by CACHE/SPARKS program on 29 Jun 2003
  187. Last observed by Jeff Cantrell on 8 Apr 2024
  188. Last observed by Jim Landrum on 29 Sep 2023
  189. Last observed by Karin Pelton on 10 Apr 2024
  190. Last observed by Karin Pelton on 10 Apr 2024
  191. Last observed by Allen Gathman on 13 Apr 2024
  192. Last observed by Jacob Tsikoyak on 30 Apr 2023
  193. Last observed by David Bradnum on 22 Apr 2024
  194. Last observed by Jacob Tsikoyak on 30 Apr 2023
  195. Last observed by bruce beck on 1 Dec 2022
  196. Last observed by Kathleen Wann on 9 May 2023
  197. Last observed by David Bradnum on 22 Apr 2024
  198. Last observed by Chris Barrigar on 8 Apr 2024
  199. Last observed by Jay Huila Balvin on 14 Oct 2023
  200. Last observed by Chris Barrigar on 8 Apr 2024
  201. Last observed by Jacob Tsikoyak on 29 Apr 2023
  202. Last observed by Ethan Hoggard on 1 May 2023
  203. Last observed by Tim Kavan on 24 Apr 2009
  204. Last observed by Allen Gathman on 13 Apr 2024
  205. Last observed by Chris Barrigar on 25 Jan 2023
  206. Last observed by Reva Dow on 5 May 2022
  207. Last observed by Jeff Cantrell on 8 Apr 2024
  208. Last observed by Chris Barrigar on 8 Apr 2024
  209. Last observed by Mark Hahn on 29 Apr 2023
  210. Last observed by Iris Kilpatrick on 19 Dec 2022
  211. Last observed by Patti Niswonger on 3 Feb 2024
  212. Last observed by Jerry Ledbetter on 13 Mar 2024
  213. Last observed by Chris Barrigar on 8 Apr 2024
  214. Last observed by David Bradnum on 22 Apr 2024
  215. Last observed by Joshua Uffman on 29 Mar 2014
  216. Last observed by CACHE/SPARKS program on 3 Mar 2012
  217. Last observed by Matt Boone on 13 Oct 2013
  218. Last observed by Chris Barrigar on 8 Apr 2024
  219. Last observed by Matt Boone on 13 Oct 2013
  220. Last observed by Allen Gathman on 13 Apr 2024
  221. Last observed by JD Paes on 19 Apr 2022
  222. Last observed by David Bradnum on 22 Apr 2024
  223. Last observed by CACHE/SPARKS program on 23 Nov 2007
  224. Last observed by Leon Book on 13 Mar 2024
  225. Last observed by Doug Willis on 23 Jun 2023
  226. Last observed by Christian Hawn on 22 May 2020
  227. Last observed by CACHE/SPARKS program on 14 Apr 2011
  228. Last observed by Allen Gathman on 13 Apr 2024
  229. Last observed by bruce beck on 25 Apr 2023
  230. Last observed by debbie martin on 30 Apr 2023
  231. Last observed by David Bradnum on 22 Apr 2024
  232. Last observed by David Bradnum on 22 Apr 2024
  233. Last observed by Chris Barrigar on 8 Apr 2024
  234. Last observed by Chris Barrigar on 8 Apr 2024
  235. Last observed by David Bradnum on 22 Apr 2024
  236. Last observed by Judy Bergmann on 7 May 2022
  237. Last observed by Mark Hahn on 29 Apr 2023
  238. Last observed by Chris Barrigar on 8 Apr 2024
  239. Last observed by David Bradnum on 22 Apr 2024
  240. Last observed by Mark Hahn on 29 Apr 2023
  241. Last observed by Mark Hahn on 27 Apr 2023
  242. Last observed by Allen Gathman on 9 Sep 2023
  243. Last observed by David Bradnum on 22 Apr 2024
  244. Last observed by CACHE/SPARKS program on 2 May 2006
  245. Last observed by Susan Burkhart on 20 Sep 2023
  246. Last observed by Patti Niswonger on 3 Feb 2024
  247. Last observed by Jay Huila Balvin on 14 Oct 2023
  248. Last observed by Andy Reago & Chrissy McClarren on 3 Sep 2016
  249. Last observed by Doug Willis on 23 Jun 2023
  250. Last observed by David Bradnum on 22 Apr 2024
  251. Last observed by Chris Wood on 28 Sep 2014
  252. Last observed by Allen Gathman on 9 Sep 2023
  253. Last observed by CACHE/SPARKS program on 12 May 2012
  254. Last observed by Bruce Beck on 11 Jul 2018
  255. Last observed by Allen Gathman on 13 Apr 2024
  256. Last observed by Susan Burkhart on 20 Sep 2023
  257. Last observed by Susan Burkhart on 20 Sep 2023
  258. Last observed by Mark Hahn on 27 Apr 2023
  259. Last observed by Judy Bergmann on 8 Sep 2023
  260. Last observed by Susan Burkhart on 20 Sep 2023
  261. Last observed by Ethan Hoggard on 16 May 2023
  262. Last observed by Ty Sharrow on 22 Oct 2023
  263. Last observed by Shayla March on 30 Aug 2023
  264. Last observed by David Bradnum on 22 Apr 2024
  265. Last observed by David Bradnum on 22 Apr 2024
  266. Last observed by Judy Bergmann on 7 May 2022
  267. Last observed by Jay Huila Balvin on 14 Oct 2023
  268. Last observed by Arron Hendershott on 11 May 2023
  269. Last observed by Jim Landrum on 30 Apr 2023
  270. Last observed by Jonathan Lethbridge on 22 Apr 2024
  271. Last observed by Keith Brink on 30 Apr 2023
  272. Last observed by David Bradnum on 22 Apr 2024
  273. Last observed by Jim Landrum on 30 Apr 2023
  274. Last observed by Judy Bergmann on 8 Sep 2023
  275. Last observed by David Bradnum on 22 Apr 2024
  276. Last observed by Jim Landrum on 29 Sep 2023

Hybrids (1)

  1. Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchos
    Last observed by Jethro Runco on 27 Feb 2016

Additional Taxa (41)

  1. Snow/Ross's Goose Anser caerulescens/rossii
    Last observed by Matt Longabaugh on 28 Mar 2019
  2. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    Last observed by Karin Pelton on 10 Apr 2024
  3. Trumpeter/Tundra Swan Cygnus buccinator/columbianus
    Last observed by Cindy Price on 18 Nov 2019
  4. goose sp. Anatidae (goose sp.)
    Last observed by Dave Nussbaum on 5 Jan 2019
  5. Mallard/American Black Duck Anas platyrhynchos/rubripes
    Last observed by Dave Nussbaum on 25 Feb 2021
  6. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by JD Paes on 19 Apr 2022
  7. duck sp. Anatidae (duck sp.)
    Last observed by Jay Huila Balvin on 14 Oct 2023
  8. Horned/Eared Grebe Podiceps auritus/nigricollis
    Last observed by Mike Grant on 27 Apr 1997
  9. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    Last observed by Allen Gathman on 8 Sep 2022
  10. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    Last observed by Matt Longabaugh on 28 Mar 2019
  11. peep sp. Calidris sp. (peep sp.)
    Last observed by Randy Schiller on 3 Sep 2021
  12. shorebird sp. Charadriiformes sp.
    Last observed by Dave Nussbaum on 2 Apr 2022
  13. gull sp. Larinae sp.
    Last observed by Judy Bergmann on 31 Jan 2022
  14. Forster's/Common Tern Sterna forsteri/hirundo
    Last observed by bruce beck on 12 May 2021
  15. Sterna sp. Sterna sp.
    Last observed by Cindy Price on 31 Aug 2018
  16. Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
    Last observed by Joshua Uffman on 20 Jun 2020
  17. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    Last observed by Rob Francis on 3 Sep 2021
  18. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by Kristie Nelson on 4 Oct 2021
  19. Buteo sp. Buteo sp.
    Last observed by Cindy Price on 12 May 2021
  20. hawk sp. Accipitridae sp. (hawk sp.)
    Last observed by Susan Burkhart on 20 Sep 2023
  21. owl sp. Strigiformes sp.
    Last observed by Anonymous eBirder on 24 Mar 2021
  22. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    Last observed by Ethan Hoggard on 4 Oct 2021
  23. woodpecker sp. Picidae sp.
    Last observed by Shayla March on 30 Aug 2023
  24. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    Last observed by Joshua Uffman on 2 Apr 2022
  25. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    Last observed by Judy Bergmann on 10 May 2021
  26. Empidonax sp. Empidonax sp.
    Last observed by Dave Nussbaum on 30 Aug 2022
  27. new world flycatcher sp. Tyrannidae sp.
    Last observed by Cindy Price on 27 May 2022
  28. vireo sp. Vireo sp.
    Last observed by Rob Francis on 19 Apr 2019
  29. American/Fish Crow Corvus brachyrhynchos/ossifragus
    Last observed by Isaac Goes on 8 Apr 2024
  30. crow sp. Corvus sp. (crow sp.)
    Last observed by Joshua Uffman on 28 Apr 2022
  31. chickadee sp. Poecile sp.
    Last observed by CACHE/SPARKS program on 27 Feb 2010
  32. swallow sp. Hirundinidae sp.
    Last observed by Susan Burkhart on 20 Sep 2023
  33. Catharus sp. Catharus sp.
    Last observed by Cindy Price on 12 May 2021
  34. new world sparrow sp. Passerellidae sp.
    Last observed by Rob Francis on 19 Mar 2021
  35. Western/Eastern Meadowlark Sturnella neglecta/magna
    Last observed by Chris Barrigar on 27 Feb 2016
  36. new world oriole sp. Icterus sp.
    Last observed by Joshua Uffman on 28 Apr 2022
  37. blackbird sp. Icteridae sp.
    Last observed by Bruce Beck on 3 Dec 2020
  38. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    Last observed by Dave Nussbaum on 1 May 2019
  39. new world warbler sp. Parulidae sp.
    Last observed by Anonymous eBirder on 27 May 2022
  40. tanager sp. (Piranga sp.) Piranga sp.
    Last observed by Leon Book on 19 Jun 2016
  41. passerine sp. Passeriformes sp.
    Last observed by Jay Huila Balvin on 14 Oct 2023