Menu
The Cornell Lab
The Cornell Lab

The Cornell Lab of Ornithology builds the eBird global platform for communities and partners around the world to advance data-driven science, education, and conservation.

Change Region

Change Region

Lake Casitas

Directions Map

Explore...

Illustrated Checklist

 Powered by Macaulay Library and eBird
Updated ~18 seconds ago

Custom Time Period

Change Time Period

264 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
Jump to species
View all media

Native and Naturalized (264)

  1. Last observed by Lukas Le Grice on 1 Jan 2023
  2. Last observed by Sangeet Khalsa on 15 Jan 2022
  3. Last observed by Nathan Bradford on 15 Nov 2023
  4. Last observed by Marc Better on 18 Apr 2024
  5. Last observed by Stephen Bellieu on 26 Apr 2024
  6. Last observed by David Wappler on 26 Oct 2019
  7. Last observed by Lukas Le Grice on 18 Mar 2023
  8. Last observed by Ira Blitz on 29 Sep 2018
  9. Last observed by Sammy Cowell on 9 Mar 2024
  10. Last observed by Paul Hughes on 10 Feb 2024
  11. Last observed by Peter Larramendy on 19 Apr 2024
  12. Last observed by Alistair Skinner on 19 Jan 2023
  13. Last observed by Sammy Cowell on 9 Mar 2024
  14. Last observed by Peter Larramendy on 19 Apr 2024
  15. Last observed by Glenn Austin on 21 Jan 2023
  16. Last observed by Peter Larramendy on 22 Feb 2024
  17. Last observed by Mark Holmgren on 28 Nov 2023
  18. Last observed by Sally Carless on 3 Mar 2023
  19. Last observed by Mark Holmgren on 28 Nov 2023
  20. Last observed by Lukas Le Grice on 1 Apr 2023
  21. Last observed by Marc Better on 9 Jan 2024
  22. Last observed by Lukas Le Grice on 12 Nov 2022
  23. Last observed by Karl Krause on 29 Feb 2012
  24. Last observed by Peter Larramendy on 22 Feb 2024
  25. Last observed by Karl Krause on 3 Jan 2016
  26. Last observed by Lukas Le Grice on 13 Mar 2023
  27. Last observed by Sammy Cowell on 9 Mar 2024
  28. Last observed by Karl Krause on 14 Dec 2022
  29. Last observed by Peter Larramendy on 19 Apr 2024
  30. Last observed by Stephen Bellieu on 26 Apr 2024
  31. Last observed by Adele Fergusson on 7 May 2012
  32. Last observed by David Nickerson on 3 Aug 2013
  33. Last observed by Peter Larramendy on 19 Apr 2024
  34. Last observed by John Mueller on 4 Apr 2023
  35. Last observed by Ventura County Historic Records on 1 Nov 2002
  36. Last observed by Sammy Cowell on 9 Mar 2024
  37. Last observed by Stephen Bellieu on 26 Apr 2024
  38. Last observed by Peter Larramendy on 19 Apr 2024
  39. Last observed by Marc Better on 18 Apr 2024
  40. Last observed by Peter Larramendy on 19 Apr 2024
  41. Last observed by Peter Larramendy on 19 Apr 2024
  42. Last observed by Bruce Deuel on 18 Apr 1986
  43. Last observed by Zack Abbey on 30 Oct 2015
  44. Last observed by Stephen Bellieu on 26 Apr 2024
  45. Last observed by Sammy Cowell on 9 Mar 2024
  46. Last observed by Lukas Le Grice on 22 Aug 2022
  47. Last observed by Pat Moynahan on 4 Sep 2009
  48. Last observed by Ventura County Historic Records on 13 May 2004
  49. Last observed by Lukas Le Grice on 19 Apr 2023
  50. Last observed by Glenn Austin on 26 May 2023
  51. Last observed by Lukas Le Grice on 28 Jul 2023
  52. Last observed by Stephen Bellieu on 26 Apr 2024
  53. Last observed by Stephen Bellieu on 26 Apr 2024
  54. Last observed by John Mueller on 4 Apr 2023
  55. Last observed by Lukas Le Grice on 1 Apr 2023
  56. Last observed by Peter Larramendy on 19 Apr 2024
  57. Last observed by Sally Carless on 10 Feb 2023
  58. Last observed by Lukas Le Grice on 6 Jan 2024
  59. Last observed by Karl Krause on 29 Jan 2010
  60. Last observed by Stephen Bellieu on 26 Apr 2024
  61. Last observed by John Apperson on 4 Mar 2016
  62. Last observed by Sally Carless on 17 Mar 2023
  63. Last observed by Karl Krause on 1 Nov 2018
  64. Last observed by Karl Krause on 11 Nov 2015
  65. Last observed by Stephen Bellieu on 26 Apr 2024
  66. Last observed by Spencer Seale on 27 Jul 2022
  67. Last observed by David Pereksta on 10 Jun 2022
  68. Last observed by Karl Krause on 1 Nov 2018
  69. Last observed by Richard Armerding on 30 Jan 2016
  70. Last observed by Lukas Le Grice on 16 Oct 2022
  71. Last observed by Mark Holmgren on 28 Nov 2023
  72. Last observed by Lukas Le Grice on 28 Dec 2023
  73. Last observed by Lukas Le Grice on 19 Aug 2022
  74. Last observed by Lukas Le Grice on 15 Jan 2023
  75. Last observed by Jerry Maryniuk on 21 Aug 2023
  76. Last observed by Peter Larramendy on 19 Apr 2024
  77. Last observed by Sangeet Khalsa on 10 Sep 2022
  78. Last observed by Sangeet Khalsa on 10 Sep 2022
  79. Last observed by Lukas Le Grice on 11 Jul 2023
  80. Last observed by Lukas Le Grice on 6 Jan 2024
  81. Last observed by Spencer Seale on 27 Jul 2022
  82. Last observed by Jane Shallow on 26 Dec 2022
  83. Last observed by Karl Krause on 3 Jan 2016
  84. Last observed by Marc Better on 10 Aug 2023
  85. Last observed by Spencer Seale on 8 Sep 2022
  86. Last observed by Lukas Le Grice on 28 Dec 2023
  87. Last observed by JOHN PAVELKO on 17 Apr 2002
  88. Last observed by Ventura County Historic Records on 7 Sep 2005
  89. Last observed by Sally Carless on 30 Sep 2022
  90. Last observed by Sally Carless on 4 Dec 2023
  91. Last observed by Lukas Le Grice on 1 Jan 2023
  92. Last observed by Nicolette Flannery on 12 Mar 2024
  93. Last observed by Nathan Bradford on 21 Jan 2024
  94. Last observed by logan kahle on 17 Jan 2017
  95. Last observed by Peter Larramendy on 19 Apr 2024
  96. Last observed by Karl Krause on 2 Jan 2021
  97. Last observed by Lukas Le Grice on 11 Jul 2023
  98. Last observed by Daniel Tinoco on 16 Aug 2014
  99. Last observed by Jerry Maryniuk on 21 Aug 2023
  100. Last observed by Karl Krause on 2 Oct 2015
  101. Last observed by Gareth Jones on 2 May 2014
  102. Last observed by Sally Carless on 4 Dec 2023
  103. Last observed by Peter Larramendy on 19 Apr 2024
  104. Last observed by Sally Carless on 20 Feb 2023
  105. Last observed by Lukas Le Grice on 6 Jul 2023
  106. Last observed by Linda Frazier on 4 Nov 2019
  107. Last observed by Nathan Bradford on 15 Nov 2023
  108. Last observed by Sammy Cowell on 9 Mar 2024
  109. Last observed by Paul Hughes on 10 Feb 2024
  110. Last observed by Peter Larramendy on 19 Apr 2024
  111. Last observed by Alistair Skinner on 24 May 2023
  112. Last observed by Peter Larramendy on 19 Apr 2024
  113. Last observed by Peter Larramendy on 19 Apr 2024
  114. Last observed by Peter Larramendy on 19 Apr 2024
  115. Last observed by David Assmann on 5 Nov 2013
  116. Last observed by David Pereksta on 23 Oct 2011
  117. Last observed by Stephen Bellieu on 26 Apr 2024
  118. Last observed by Nathan Bradford on 21 Jan 2024
  119. Last observed by Aidan Brubaker on 6 Aug 2023
  120. Last observed by Marc Better on 21 Oct 2022
  121. Last observed by Peter Larramendy on 19 Apr 2024
  122. Last observed by Lukas Le Grice on 5 Jan 2024
  123. Last observed by Marc Better on 18 Apr 2024
  124. Last observed by Stephen Bellieu on 26 Apr 2024
  125. Last observed by Peter Larramendy on 19 Apr 2024
  126. Last observed by Lukas Le Grice on 1 Apr 2023
  127. Last observed by Sangeet Khalsa on 14 Nov 2023
  128. Last observed by Stephen Bellieu on 26 Apr 2024
  129. Last observed by David Pereksta on 7 Jan 2022
  130. Last observed by Lukas Le Grice on 31 Jul 2023
  131. Last observed by Lukas Le Grice on 31 Jul 2023
  132. Last observed by Lukas Le Grice on 31 Jul 2023
  133. Last observed by Lukas Le Grice on 18 Jun 2023
  134. Last observed by Marc Better on 5 Mar 2023
  135. Last observed by David Pereksta on 23 Dec 2018
  136. Last observed by Peter Larramendy on 22 Feb 2024
  137. Last observed by Sangeet Khalsa on 12 Dec 2021
  138. Last observed by Sammy Cowell on 9 Mar 2024
  139. Last observed by Nathan Bradford on 28 Mar 2024
  140. Last observed by Lukas Le Grice on 25 Apr 2023
  141. Last observed by Stephen Bellieu on 26 Apr 2024
  142. Last observed by Lukas Le Grice on 28 Dec 2023
  143. Last observed by Stephen Bellieu on 26 Apr 2024
  144. Last observed by Peter Larramendy on 22 Feb 2024
  145. Last observed by Bill Crowe on 20 Jan 2015
  146. Last observed by Peter Larramendy on 19 Apr 2024
  147. Last observed by Sammy Cowell on 9 Mar 2024
  148. Last observed by Karl Krause on 9 Nov 2023
  149. Last observed by Lukas Le Grice on 31 Jul 2023
  150. Last observed by Nicolette Flannery on 12 Mar 2024
  151. Last observed by Sangeet Khalsa on 27 Jul 2022
  152. Last observed by Karl Krause on 6 Jun 2023
  153. Last observed by Lukas Le Grice on 18 Jun 2023
  154. Last observed by Karl Krause on 22 Apr 1990
  155. Last observed by Ventura County Historic Records on 15 Oct 2009
  156. Last observed by Bill Crowe on 1 Jun 2015
  157. Last observed by Peter Larramendy on 19 Apr 2024
  158. Last observed by Peter Larramendy on 19 Apr 2024
  159. Last observed by Karl Krause on 20 Nov 2012
  160. Last observed by Nathan Bradford on 28 Mar 2024
  161. Last observed by Jesse Grantham on 27 Apr 2020
  162. Last observed by Stephen Bellieu on 26 Apr 2024
  163. Last observed by Ventura County Historic Records on 17 Sep 2008
  164. Last observed by Stephen Bellieu on 26 Apr 2024
  165. Last observed by Peter Larramendy on 19 Apr 2024
  166. Last observed by Lukas Le Grice on 31 Jul 2023
  167. Last observed by Lukas Le Grice on 5 Jan 2024
  168. Last observed by Sammy Cowell on 12 Apr 2019
  169. Last observed by Peter Larramendy on 19 Apr 2024
  170. Last observed by Nathan Bradford on 21 Jan 2024
  171. Last observed by Marc Better on 21 Oct 2022
  172. Last observed by Stephen Bellieu on 26 Apr 2024
  173. Last observed by Stephen Bellieu on 26 Apr 2024
  174. Last observed by Peter Larramendy on 19 Apr 2024
  175. Last observed by Bill Crowe on 5 Jun 2018
  176. Last observed by Stephen Bellieu on 26 Apr 2024
  177. Last observed by Lukas Le Grice on 5 Jan 2024
  178. Last observed by Lukas Le Grice on 1 Apr 2023
  179. Last observed by Stephen Bellieu on 26 Apr 2024
  180. Last observed by Stephen Bellieu on 26 Apr 2024
  181. Last observed by Stephen Bellieu on 26 Apr 2024
  182. Last observed by Peter Larramendy on 19 Apr 2024
  183. Last observed by Stephen Bellieu on 26 Apr 2024
  184. Last observed by Stephen Bellieu on 26 Apr 2024
  185. Last observed by Stephen Bellieu on 26 Apr 2024
  186. Last observed by Nathan Bradford on 28 Mar 2024
  187. Last observed by Stephen Bellieu on 26 Apr 2024
  188. Last observed by Sammy Cowell on 12 Jan 2024
  189. Last observed by Sangeet Khalsa on 14 Nov 2023
  190. Last observed by Sammy Cowell on 9 Mar 2024
  191. Last observed by jonas dravland on 31 Dec 1980
  192. Last observed by Lukas Le Grice on 6 Jan 2024
  193. Last observed by Sammy Cowell on 10 Jul 2023
  194. Last observed by Stephen Bellieu on 26 Apr 2024
  195. Last observed by Nathan Bradford on 28 Mar 2024
  196. Last observed by Stephen Bellieu on 26 Apr 2024
  197. Last observed by Stephen Bellieu on 26 Apr 2024
  198. Last observed by Peter Larramendy on 19 Apr 2024
  199. Last observed by Jerry Maryniuk on 16 Nov 2023
  200. Last observed by Stephen Bellieu on 26 Apr 2024
  201. Last observed by Stephen Bellieu on 26 Apr 2024
  202. Last observed by Lukas Le Grice on 13 Mar 2023
  203. Last observed by Marie Adams on 2 Sep 2014
  204. Last observed by Peter Larramendy on 11 Dec 2021
  205. Last observed by Peter Larramendy on 22 Feb 2024
  206. Last observed by Marc Better on 18 Apr 2024
  207. Last observed by Peter Larramendy on 19 Apr 2024
  208. Last observed by Peter Larramendy on 19 Apr 2024
  209. Last observed by Lukas Le Grice on 28 Jul 2023
  210. Last observed by Stephen Bellieu on 26 Apr 2024
  211. Last observed by Nathan Bradford on 21 Jan 2024
  212. Last observed by Stephen Bellieu on 26 Apr 2024
  213. Last observed by Peter Larramendy on 19 Apr 2024
  214. Last observed by Jesse Grantham on 8 Nov 2019
  215. Last observed by Karl Krause on 11 Mar 2021
  216. Last observed by Stephen Bellieu on 26 Apr 2024
  217. Last observed by Sammy Cowell on 9 Mar 2024
  218. Last observed by Lukas Le Grice on 6 Jan 2024
  219. Last observed by Karl Krause on 2 Dec 2013
  220. Last observed by Sammy Cowell on 27 Jul 2022
  221. Last observed by Stephen Bellieu on 26 Apr 2024
  222. Last observed by Peter Larramendy on 19 Apr 2024
  223. Last observed by Lukas Le Grice on 6 Jan 2024
  224. Last observed by Peter Larramendy on 19 Apr 2024
  225. Last observed by Nathan Bradford on 28 Mar 2024
  226. Last observed by Nathan Bradford on 28 Mar 2024
  227. Last observed by Rajan Rao on 30 Dec 2022
  228. Last observed by Lukas Le Grice on 1 Apr 2023
  229. Last observed by Peter Larramendy on 22 Feb 2024
  230. Last observed by Stephen Bellieu on 26 Apr 2024
  231. Last observed by Lukas Le Grice on 6 Jan 2024
  232. Last observed by Marc Better on 16 Nov 2023
  233. Last observed by Stephen Bellieu on 26 Apr 2024
  234. Last observed by Lukas Le Grice on 23 Jun 2023
  235. Last observed by Stephen Bellieu on 26 Apr 2024
  236. Last observed by Marc Better on 18 Apr 2024
  237. Last observed by Lukas Le Grice on 17 Sep 2022
  238. Last observed by Nathan Bradford on 21 Jan 2024
  239. Last observed by Stephen Bellieu on 26 Apr 2024
  240. Last observed by Stephen Bellieu on 26 Apr 2024
  241. Last observed by Stephen Bellieu on 26 Apr 2024
  242. Last observed by Marc Better on 10 Aug 2023
  243. Last observed by Peter Larramendy on 19 Apr 2024
  244. Last observed by Peter Larramendy on 19 Apr 2024
  245. Last observed by Stephen Bellieu on 26 Apr 2024
  246. Last observed by Ventura County Historic Records on 21 Oct 2009
  247. Last observed by Stephen Bellieu on 26 Apr 2024
  248. Last observed by Sammy Cowell on 12 Apr 2019
  249. Last observed by Ryan Terrill on 28 Sep 2018
  250. Last observed by Stephen Bellieu on 26 Apr 2024
  251. Last observed by Stephen Bellieu on 26 Apr 2024
  252. Last observed by Ventura County Historic Records on 21 Oct 2004
  253. Last observed by Lukas Le Grice on 30 Jan 2022
  254. Last observed by Peter Larramendy on 19 Apr 2024
  255. Last observed by Jane Shallow on 26 Dec 2022
  256. Last observed by Sammy Cowell on 9 Mar 2024
  257. Last observed by Stephen Bellieu on 26 Apr 2024
  258. Last observed by Marc Better on 8 Sep 2022
  259. Last observed by Lukas Le Grice on 28 Jul 2023
  260. Last observed by Peter Larramendy on 19 Apr 2024
  261. Last observed by Lukas Le Grice on 8 Jul 2023
  262. Last observed by Stephen Bellieu on 26 Apr 2024
  263. Last observed by Stephen Bellieu on 26 Apr 2024
  264. Last observed by Peter Larramendy on 19 Apr 2024

Exotic: Escapee (4)

  1. Last observed by Michael Allen on 7 Apr 2008
  2. Last observed by Samantha Marois on 15 Mar 2020
  3. Last observed by David Wappler on 26 Oct 2019
  4. Last observed by Lukas Le Grice on 6 Jan 2024

Hybrids (2)

  1. Snow x Ross's Goose (hybrid) Anser caerulescens x rossii
    Last observed by Matthew Page on 5 Jan 2013
  2. Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruber
    Last observed by Karl Krause on 1 Nov 2018

Additional Taxa (33)

  1. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    Last observed by George Phelps on 31 Mar 2018
  2. teal sp. Anatidae sp. (teal sp.)
    Last observed by Tracy Drake on 9 Nov 2020
  3. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    Last observed by Daniel Richards on 8 Jan 2015
  4. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by Ryan Burnett on 4 Mar 2023
  5. duck sp. Anatidae (duck sp.)
    Last observed by Lukas Le Grice on 18 Jan 2023
  6. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    Last observed by Marc Better on 9 Jan 2024
  7. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    Last observed by Lukas Le Grice on 1 Apr 2023
  8. hummingbird sp. Trochilidae sp.
    Last observed by Mark Holmgren on 28 Nov 2023
  9. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    Last observed by Lukas Le Grice on 12 Nov 2022
  10. peep sp. Calidris sp. (peep sp.)
    Last observed by Tina Tan on 27 Jun 2023
  11. Calidris sp. Calidris sp.
    Last observed by Tina Tan on 13 Oct 2022
  12. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    Last observed by Tina Tan on 13 Oct 2022
  13. gull sp. Larinae sp.
    Last observed by Ventura Audubon on 10 Feb 2024
  14. tern sp. Sterninae sp.
    Last observed by Jesse Grantham on 12 Aug 2017
  15. cormorant sp. Phalacrocoracidae sp.
    Last observed by Spencer Seale on 28 Jan 2022
  16. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by Tina Tan on 13 Oct 2022
  17. Accipiter sp. Accipiter sp.
    Last observed by Kay Regester on 5 Dec 2010
  18. Buteo sp. Buteo sp.
    Last observed by Eric Waian on 20 Nov 2010
  19. sapsucker sp. Sphyrapicus sp.
    Last observed by Ava Molnar on 19 Feb 2022
  20. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    Last observed by Joel Barrett on 8 Dec 2016
  21. falcon sp. Falco sp.
    Last observed by Lukas Le Grice on 17 Sep 2022
  22. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    Last observed by Tracy Drake on 9 Nov 2020
  23. Empidonax sp. Empidonax sp.
    Last observed by Lukas Le Grice on 3 Jun 2022
  24. Cassin's/Western Kingbird Tyrannus vociferans/verticalis
    Last observed by Joe Beck on 22 May 2020
  25. crow/raven sp. Corvus sp.
    Last observed by Sally Carless on 4 Feb 2023
  26. swallow sp. Hirundinidae sp.
    Last observed by Ventura Audubon on 10 Feb 2024
  27. wren sp. Troglodytidae sp.
    Last observed by Sangeet Khalsa on 18 Dec 2021
  28. new world goldfinch sp. Spinus sp. (goldfinch sp.)
    Last observed by Michelle Townsley on 2 Jan 2010
  29. new world sparrow sp. Passerellidae sp.
    Last observed by Michelle G on 6 Feb 2022
  30. new world oriole sp. Icterus sp.
    Last observed by Lukas Le Grice on 19 Aug 2022
  31. blackbird sp. Icteridae sp.
    Last observed by Alexia Fisher on 18 Jun 2019
  32. new world warbler sp. Parulidae sp.
    Last observed by Joel Barrett on 7 Nov 2017
  33. passerine sp. Passeriformes sp.
    Last observed by Aidan Brubaker on 6 Aug 2023