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Lower Otay Reservoir--south arm & boat ramp

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Illustrated Checklist

 Powered by Macaulay Library and eBird
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197 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (196)

  1. Last observed by Matt Sadowski on 7 Jan 2024
  2. Last observed by Matt Sadowski on 15 Jan 2013
  3. Last observed by Matt Sadowski on 25 Oct 2017
  4. Last observed by Matt Sadowski on 24 Mar 2024
  5. Last observed by Matt Sadowski on 17 Nov 2017
  6. Last observed by Dan Hayes on 15 Jan 2024
  7. Last observed by Dan Hayes on 15 Jan 2024
  8. Last observed by Ben Stalheim on 17 Feb 2024
  9. Last observed by Matt Sadowski on 23 Feb 2024
  10. Last observed by Matt Sadowski on 9 Feb 2024
  11. Last observed by D Jean Paulus on 13 Apr 2024
  12. Last observed by Jim Pawlicki on 1 Feb 2019
  13. Last observed by Matt Sadowski on 25 Dec 2023
  14. Last observed by Dan Hayes on 15 Jan 2024
  15. Last observed by Jim Pawlicki on 13 Dec 2022
  16. Last observed by Dan Hayes on 15 Jan 2024
  17. Last observed by Erik Boman on 29 Feb 2024
  18. Last observed by Paul Lehman on 17 Nov 2023
  19. Last observed by Matt Sadowski on 12 Mar 2024
  20. Last observed by Matt Sadowski on 23 Mar 2023
  21. Last observed by Matt Sadowski on 24 Mar 2024
  22. Last observed by Matt Sadowski on 12 Mar 2024
  23. Last observed by Matt Sadowski on 15 Nov 2021
  24. Last observed by Jim Pawlicki on 8 May 2019
  25. Last observed by Matt Sadowski on 26 Jan 2017
  26. Last observed by Matt Sadowski on 9 Feb 2024
  27. Last observed by Matt Sadowski on 5 Apr 2024
  28. Last observed by Matt Sadowski on 24 Mar 2024
  29. Last observed by Jim Pawlicki on 30 Dec 2015
  30. Last observed by Matt Sadowski on 15 Apr 2024
  31. Last observed by D Jean Paulus on 13 Apr 2024
  32. Last observed by Jeff Zuckerman on 16 Mar 2024
  33. Last observed by Sue Woods on 11 Feb 2024
  34. Last observed by Ben Stalheim on 17 Feb 2024
  35. Last observed by Matt Sadowski on 24 Mar 2024
  36. Last observed by Matt Sadowski on 13 Feb 2023
  37. Last observed by Jim Pawlicki on 15 Jul 2022
  38. Last observed by Jim Pawlicki on 21 May 2016
  39. Last observed by Chris Nabel on 6 May 2023
  40. Last observed by Dan Jehl on 12 Mar 2024
  41. Last observed by Loch Kilpatrick on 6 Jul 2022
  42. Last observed by Matt Sadowski on 10 Apr 2013
  43. Last observed by Matthew Withrow on 2 Sep 2023
  44. Last observed by Jennifer Rycenga on 25 Jan 2013
  45. Last observed by Matt Sadowski on 25 Oct 2017
  46. Last observed by Dan Hayes on 15 Jan 2024
  47. Last observed by D Jean Paulus on 13 Apr 2024
  48. Last observed by D Jean Paulus on 13 Apr 2024
  49. Last observed by Justyn Stahl on 12 Feb 2016
  50. Last observed by Matt Sadowski on 31 Aug 2023
  51. Last observed by Matt Sadowski on 24 Mar 2024
  52. Last observed by Loch Kilpatrick on 6 Jul 2022
  53. Last observed by Alex Lamoreaux on 21 Aug 2023
  54. Last observed by Matt Sadowski on 18 Aug 2023
  55. Last observed by Jim Pawlicki on 6 Aug 2022
  56. Last observed by Matthew Withrow on 2 Sep 2023
  57. Last observed by Matt Sadowski on 9 Sep 2022
  58. Last observed by Jeremiah Stock on 17 Oct 2015
  59. Last observed by Paul Lehman on 17 Nov 2023
  60. Last observed by Colleen Southern on 28 Dec 2013
  61. Last observed by Jim Pawlicki on 2 Jul 2022
  62. Last observed by Dan Hayes on 15 Jan 2024
  63. Last observed by Matt Sadowski on 24 Mar 2024
  64. Last observed by Dan Jehl on 12 Mar 2024
  65. Last observed by Matt Sadowski on 23 Feb 2024
  66. Last observed by Mel Senac on 23 Feb 2024
  67. Last observed by Dan Hayes on 15 Jan 2024
  68. Last observed by Matt Sadowski on 24 Mar 2024
  69. Last observed by Mel Senac on 23 Feb 2024
  70. Last observed by Alex Abela on 21 Jan 2017
  71. Last observed by Davis Provan on 23 Jan 2024
  72. Last observed by Matt Sadowski on 15 Apr 2024
  73. Last observed by Matt Sadowski on 18 Aug 2023
  74. Last observed by Jim Pawlicki on 4 Aug 2016
  75. Last observed by Jim Pawlicki on 31 May 2021
  76. Last observed by Matt Sadowski on 21 Dec 2014
  77. Last observed by Matt Sadowski on 26 Oct 2022
  78. Last observed by Matt Sadowski on 24 Mar 2024
  79. Last observed by Matt Sadowski on 6 Mar 2017
  80. Last observed by Dan Hayes on 8 Dec 2023
  81. Last observed by stevan brad on 19 Feb 2016
  82. Last observed by Matt Sadowski on 25 Dec 2023
  83. Last observed by Erin Whitaker on 6 Dec 2023
  84. Last observed by Dan Jehl on 12 Mar 2024
  85. Last observed by Davis Provan on 23 Jan 2024
  86. Last observed by Matt Sadowski on 24 Mar 2024
  87. Last observed by Dan Jehl on 12 Mar 2024
  88. Last observed by Dan Hayes on 15 Jan 2024
  89. Last observed by Dan Hayes on 8 Dec 2023
  90. Last observed by Kandace Glanville on 19 Jan 2024
  91. Last observed by Dan Jehl on 12 Mar 2024
  92. Last observed by Matt Sadowski on 25 Dec 2023
  93. Last observed by Jim Pawlicki on 8 Jan 2016
  94. Last observed by Matt Sadowski on 12 Mar 2024
  95. Last observed by Nathan Goldberg on 26 Jan 2022
  96. Last observed by D Jean Paulus on 13 Apr 2024
  97. Last observed by San Diego Historical Records on 9 Nov 1916
  98. Last observed by Matt Sadowski on 9 Feb 2024
  99. Last observed by Jeff Zuckerman on 16 Mar 2024
  100. Last observed by Matt Sadowski on 1 Feb 2017
  101. Last observed by Dan Jehl on 12 Mar 2024
  102. Last observed by Caitlin Morrow on 18 Dec 2020
  103. Last observed by Becky Turley on 13 Mar 2013
  104. Last observed by Dan Jehl on 12 Mar 2024
  105. Last observed by John Knox on 10 Mar 2024
  106. Last observed by Jeremiah Stock on 18 Jan 2014
  107. Last observed by Matt Sadowski on 9 Feb 2024
  108. Last observed by Dan Hayes on 15 Jan 2024
  109. Last observed by Dan Jehl on 12 Mar 2024
  110. Last observed by Dan Hayes on 22 Dec 2023
  111. Last observed by Matt Sadowski on 9 Feb 2024
  112. Last observed by Loch Kilpatrick on 6 Jul 2022
  113. Last observed by D Jean Paulus on 13 Apr 2024
  114. Last observed by Jeff Zuckerman on 16 Mar 2024
  115. Last observed by Jeremiah Stock on 4 Jul 2023
  116. Last observed by Jeff Zuckerman on 16 Mar 2024
  117. Last observed by Matthew Withrow on 2 Sep 2023
  118. Last observed by Chris Nabel on 7 May 2023
  119. Last observed by Jonny Sperling on 12 Mar 2022
  120. Last observed by Chris Nabel on 7 May 2023
  121. Last observed by Nathan Goldberg on 26 Jan 2022
  122. Last observed by Barbara Wise on 16 Dec 2022
  123. Last observed by Matt Sadowski on 24 Mar 2024
  124. Last observed by D Jean Paulus on 13 Apr 2024
  125. Last observed by Matt Sadowski on 9 Sep 2022
  126. Last observed by Matt Sadowski on 24 Mar 2024
  127. Last observed by Matt Sadowski on 24 Mar 2024
  128. Last observed by Matt Sadowski on 9 Sep 2022
  129. Last observed by Matt Sadowski on 24 Mar 2024
  130. Last observed by Matt Sadowski on 24 Mar 2024
  131. Last observed by Matt Sadowski on 24 Mar 2024
  132. Last observed by Jeff Zuckerman on 16 Mar 2024
  133. Last observed by Dan Jehl on 12 Mar 2024
  134. Last observed by Matt Sadowski on 12 Mar 2024
  135. Last observed by Ben Stalheim on 17 Feb 2024
  136. Last observed by Matt Sadowski on 24 Mar 2024
  137. Last observed by John Knox on 20 Feb 2022
  138. Last observed by Jeff Zuckerman on 16 Mar 2024
  139. Last observed by Dan Jehl on 12 Mar 2024
  140. Last observed by Ben Stalheim on 17 Feb 2024
  141. Last observed by Matt Sadowski on 15 Apr 2024
  142. Last observed by Matt Sadowski on 24 Mar 2024
  143. Last observed by Ben Stalheim on 17 Feb 2024
  144. Last observed by D Jean Paulus on 13 Apr 2024
  145. Last observed by Chris Nabel on 6 May 2023
  146. Last observed by Caleb Villar on 6 Nov 2021
  147. Last observed by Diane Stinson on 1 Mar 2019
  148. Last observed by Barbara Wise on 1 Jun 2021
  149. Last observed by Loch Kilpatrick on 6 Jul 2022
  150. Last observed by Kimberly Sherman on 9 Jan 2022
  151. Last observed by Matt Sadowski on 6 Feb 2024
  152. Last observed by Matt Sadowski on 24 Mar 2024
  153. Last observed by Matt Sadowski on 11 Nov 2020
  154. Last observed by Jeff Zuckerman on 16 Mar 2024
  155. Last observed by Matthew Withrow on 2 Sep 2023
  156. Last observed by Tammy Russell on 21 Jan 2019
  157. Last observed by Matt Sadowski on 24 Mar 2024
  158. Last observed by Barbara Wise on 16 Dec 2022
  159. Last observed by Dan Hayes on 8 Dec 2023
  160. Last observed by Jeff Zuckerman on 16 Mar 2024
  161. Last observed by BJ Stacey on 5 Feb 2011
  162. Last observed by Dan Hayes on 23 Dec 2023
  163. Last observed by Jeff Zuckerman on 16 Mar 2024
  164. Last observed by Matt Sadowski on 12 Mar 2024
  165. Last observed by BJ Stacey on 23 Oct 2011
  166. Last observed by Jeff Zuckerman on 16 Mar 2024
  167. Last observed by Matt Sadowski on 12 Mar 2024
  168. Last observed by Dan Jehl on 12 Mar 2024
  169. Last observed by Loch Kilpatrick on 6 Jul 2022
  170. Last observed by Jeremiah Stock on 7 Sep 2020
  171. Last observed by Dan Hayes on 15 Jan 2024
  172. Last observed by Matthew Withrow on 2 Sep 2023
  173. Last observed by Matt Sadowski on 18 Aug 2023
  174. Last observed by D Jean Paulus on 13 Apr 2024
  175. Last observed by Gary Leavens on 15 Jun 2021
  176. Last observed by Matt Sadowski on 11 Jun 2022
  177. Last observed by karen pinckard on 23 Dec 2023
  178. Last observed by D Jean Paulus on 13 Apr 2024
  179. Last observed by Joe Alsadi on 1 Jun 2021
  180. Last observed by Ben Stalheim on 17 Feb 2024
  181. Last observed by Dan Hayes on 4 Apr 2023
  182. Last observed by Mauro Colabianchi on 10 Apr 2016
  183. Last observed by Matt Sadowski on 24 Mar 2024
  184. Last observed by Matt Sadowski on 13 Apr 2013
  185. Last observed by Matt Sadowski on 24 Mar 2024
  186. Last observed by Justyn Stahl on 19 Feb 2011
  187. Last observed by Tom Johnson on 7 Mar 2011
  188. Last observed by Matt Sadowski on 24 Mar 2024
  189. Last observed by Jeff Rash on 30 Mar 2013
  190. Last observed by Matt Sadowski on 14 Apr 2016
  191. Last observed by Chris Nabel on 7 May 2023
  192. Last observed by Chris Nabel on 7 May 2023
  193. Last observed by Marc Endriss on 20 Feb 2021
  194. Last observed by Jerry DeBoer on 21 Jul 2019
  195. Last observed by Jim Pawlicki on 15 Jul 2022
  196. Last observed by Jim Pawlicki on 4 Aug 2016

Exotic: Provisional (1)

  1. Last observed by Jim Pawlicki on 22 Nov 2015

Exotic: Escapee (2)

  1. Last observed by Payton Parke on 6 Oct 2019
  2. Last observed by Dan Jehl on 12 Mar 2024

Hybrids (4)

  1. Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchos
    Last observed by Matt Sadowski on 24 Mar 2024
  2. Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkii
    Last observed by Nathan Goldberg on 26 Jan 2022
  3. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    Last observed by Dan Hayes on 22 Dec 2023
  4. Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescens
    Last observed by Dan Hayes on 15 Jan 2024

Additional Taxa (28)

  1. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    Last observed by Silvia Scheibli on 1 Oct 2022
  2. Cackling/Canada Goose Branta hutchinsii/canadensis
    Last observed by Matt Sadowski on 4 Jan 2024
  3. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    Last observed by Jonny Sperling on 18 Jan 2021
  4. Mallard/Mexican Duck Anas platyrhynchos/diazi
    Last observed by Matt Sadowski on 11 Feb 2019
  5. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    Last observed by Ben Stalheim on 19 Jan 2024
  6. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by Paul Marvin on 5 Jan 2022
  7. duck sp. Anatidae (duck sp.)
    Last observed by David Trissel on 5 Dec 2023
  8. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    Last observed by Matt Sadowski on 24 Mar 2024
  9. swift sp. Apodidae sp.
    Last observed by H. Resit Akçakaya on 6 Jun 2023
  10. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    Last observed by Chris Nabel on 7 May 2023
  11. hummingbird sp. Trochilidae sp.
    Last observed by Ben Stalheim on 17 Feb 2024
  12. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    Last observed by Kevin Markham on 5 Oct 1991
  13. Herring/Iceland Gull Larus argentatus/glaucoides
    Last observed by Eitan Altman on 7 Feb 2016
  14. Larus sp. Larus sp.
    Last observed by Matt Sadowski on 24 Mar 2024
  15. gull sp. Larinae sp.
    Last observed by Dan Jehl on 12 Mar 2024
  16. tern sp. Sterninae sp.
    Last observed by Jonny Sperling on 10 Feb 2021
  17. white egret sp. Egretta/Bubulcus/Ardea sp.
    Last observed by Matt Sadowski on 10 Apr 2013
  18. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by Millie and Peter Thomas on 9 Jan 2022
  19. Buteo sp. Buteo sp.
    Last observed by Ben Stalheim on 17 Feb 2024
  20. yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)
    Last observed by Matt Sadowski on 6 Aug 2022
  21. swallow sp. Hirundinidae sp.
    Last observed by Matt Sadowski on 24 Mar 2024
  22. gnatcatcher sp. Polioptila sp.
    Last observed by Ben Stalheim on 17 Feb 2024
  23. new world sparrow sp. Passerellidae sp.
    Last observed by Amber Crellin on 30 Mar 2022
  24. Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolor
    Last observed by Jim Pawlicki on 8 Jul 2022
  25. blackbird sp. Icteridae sp.
    Last observed by Jim Pawlicki on 7 Jan 2022
  26. new world warbler sp. Parulidae sp.
    Last observed by Jonny Sperling on 31 May 2021
  27. passerine sp. Passeriformes sp.
    Last observed by Joshua Jaeger on 24 Nov 2018
  28. bird sp. Aves sp.
    Last observed by Jim Pawlicki on 14 Jan 2021