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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.

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San Carlos Lake--Old San Carlos Monument

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Illustrated Checklist

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154 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (154)

  1. Last observed by David Pearson on 9 Feb 2022
  2. Last observed by David Pearson on 25 Feb 2019
  3. Last observed by Doug Jenness on 24 Oct 2022
  4. Last observed by Sochetra Ly on 28 Jan 2023
  5. Last observed by Sochetra Ly on 28 Jan 2023
  6. Last observed by Paul Heveran on 8 Oct 2023
  7. Last observed by Sochetra Ly on 28 Jan 2023
  8. Last observed by Sochetra Ly on 20 May 2023
  9. Last observed by David Pearson on 15 Jun 2019
  10. Last observed by David Pearson on 9 Feb 2022
  11. Last observed by Sochetra Ly on 28 Jan 2023
  12. Last observed by David Pearson on 9 Feb 2022
  13. Last observed by Paul Heveran on 8 Oct 2023
  14. Last observed by Paul Heveran on 8 Oct 2023
  15. Last observed by David Pearson on 25 Oct 2021
  16. Last observed by David Pearson on 9 Mar 2019
  17. Last observed by Paul Heveran on 8 Oct 2023
  18. Last observed by Sochetra Ly on 20 May 2023
  19. Last observed by Sochetra Ly on 6 Jan 2024
  20. Last observed by Sochetra Ly on 6 Jan 2024
  21. Last observed by Sochetra Ly on 6 Jan 2024
  22. Last observed by Doug Jenness on 24 Oct 2022
  23. Last observed by David Pearson on 15 Jun 2019
  24. Last observed by David Pearson on 9 May 2021
  25. Last observed by Sochetra Ly on 6 Jan 2024
  26. Last observed by Paul Heveran on 8 Oct 2023
  27. Last observed by Sochetra Ly on 20 May 2023
  28. Last observed by Sochetra Ly on 6 Jan 2024
  29. Last observed by David Pearson on 14 Apr 2018
  30. Last observed by David Pearson on 25 Oct 2021
  31. Last observed by David Pearson on 25 Oct 2021
  32. Last observed by Sochetra Ly on 6 Jan 2024
  33. Last observed by Doug Jenness on 26 Jun 2019
  34. Last observed by David Pearson on 14 Apr 2018
  35. Last observed by Sochetra Ly on 6 Jan 2024
  36. Last observed by Doug Jenness on 24 Apr 2019
  37. Last observed by Keith D Kamper on 4 May 2019
  38. Last observed by Doug Jenness on 24 Oct 2022
  39. Last observed by Doug Jenness on 26 Jun 2019
  40. Last observed by Paul Heveran on 8 Oct 2023
  41. Last observed by Sochetra Ly on 28 Jan 2023
  42. Last observed by David Pearson on 9 Sep 2019
  43. Last observed by Doug Jenness on 24 Apr 2019
  44. Last observed by Paul Heveran on 8 Oct 2023
  45. Last observed by Ed Dunn on 15 Apr 2016
  46. Last observed by Keith D Kamper on 4 May 2019
  47. Last observed by Sochetra Ly on 6 Jan 2024
  48. Last observed by Doug Jenness on 24 Oct 2022
  49. Last observed by Doug Jenness on 24 Apr 2019
  50. Last observed by Paul Heveran on 8 Oct 2023
  51. Last observed by Sochetra Ly on 6 Jan 2024
  52. Last observed by Paul Heveran on 8 Oct 2023
  53. Last observed by Paul Heveran on 8 Oct 2023
  54. Last observed by David Pearson on 22 Jul 2019
  55. Last observed by Paul Heveran on 8 Oct 2023
  56. Last observed by Keith D Kamper on 21 Jun 2019
  57. Last observed by Paul Heveran on 8 Oct 2023
  58. Last observed by Sochetra Ly on 6 Jan 2024
  59. Last observed by David Pearson on 9 May 2021
  60. Last observed by Paul Heveran on 8 Oct 2023
  61. Last observed by David Pearson on 9 Sep 2019
  62. Last observed by Paul Heveran on 8 Oct 2023
  63. Last observed by Ed Dunn on 15 Apr 2016
  64. Last observed by Camden Bruner on 4 Feb 2023
  65. Last observed by Camden Bruner on 4 Feb 2023
  66. Last observed by Doug Jenness on 24 Apr 2019
  67. Last observed by Sochetra Ly on 6 Jan 2024
  68. Last observed by Babs Buck on 19 Jan 2019
  69. Last observed by Sochetra Ly on 6 Jan 2024
  70. Last observed by David Pearson on 25 Oct 2021
  71. Last observed by Sochetra Ly on 6 Jan 2024
  72. Last observed by Sochetra Ly on 28 Jan 2023
  73. Last observed by Paul Heveran on 8 Oct 2023
  74. Last observed by David Pearson on 22 Jul 2019
  75. Last observed by Sochetra Ly on 20 May 2023
  76. Last observed by Keith D Kamper on 21 Jun 2019
  77. Last observed by Paul Heveran on 8 Oct 2023
  78. Last observed by Camden Bruner on 4 Feb 2023
  79. Last observed by Sochetra Ly on 6 Jan 2024
  80. Last observed by Sochetra Ly on 6 Jan 2024
  81. Last observed by Sochetra Ly on 6 Jan 2024
  82. Last observed by Sochetra Ly on 20 May 2023
  83. Last observed by Ed Dunn on 13 Jun 2015
  84. Last observed by David Pearson on 27 Aug 2018
  85. Last observed by Sochetra Ly on 20 May 2023
  86. Last observed by Sochetra Ly on 20 May 2023
  87. Last observed by Sochetra Ly on 6 Jan 2024
  88. Last observed by David Pearson on 25 Oct 2021
  89. Last observed by Sochetra Ly on 20 May 2023
  90. Last observed by Paul Heveran on 8 Oct 2023
  91. Last observed by Camden Bruner on 4 Feb 2023
  92. Last observed by David Pearson on 9 Mar 2019
  93. Last observed by Paul Heveran on 8 Oct 2023
  94. Last observed by David Pearson on 9 May 2021
  95. Last observed by Paul Heveran on 8 Oct 2023
  96. Last observed by David Pearson on 22 Jul 2019
  97. Last observed by Sochetra Ly on 6 Jan 2024
  98. Last observed by Sochetra Ly on 6 Jan 2024
  99. Last observed by Paul Heveran on 8 Oct 2023
  100. Last observed by Sochetra Ly on 6 Jan 2024
  101. Last observed by David Pearson on 5 Jan 2019
  102. Last observed by David Pearson on 25 Oct 2021
  103. Last observed by David Pearson on 9 Mar 2019
  104. Last observed by Sochetra Ly on 28 Jan 2023
  105. Last observed by Sochetra Ly on 6 Jan 2024
  106. Last observed by David Pearson on 9 Sep 2019
  107. Last observed by Paul Heveran on 8 Oct 2023
  108. Last observed by Sochetra Ly on 28 Jan 2023
  109. Last observed by David Pearson on 25 Feb 2019
  110. Last observed by David Pearson on 9 May 2021
  111. Last observed by David Pearson on 25 Feb 2019
  112. Last observed by Camden Bruner on 4 Feb 2023
  113. Last observed by David Pearson on 25 Feb 2019
  114. Last observed by Paul Heveran on 8 Oct 2023
  115. Last observed by David Pearson on 9 May 2021
  116. Last observed by Camden Bruner on 4 Feb 2023
  117. Last observed by Sochetra Ly on 6 Jan 2024
  118. Last observed by Paul Heveran on 8 Oct 2023
  119. Last observed by Camden Bruner on 4 Feb 2023
  120. Last observed by Paul Heveran on 8 Oct 2023
  121. Last observed by Sochetra Ly on 6 Jan 2024
  122. Last observed by David Pearson on 9 May 2021
  123. Last observed by David Pearson on 9 Sep 2019
  124. Last observed by Sochetra Ly on 6 Jan 2024
  125. Last observed by Sochetra Ly on 28 Jan 2023
  126. Last observed by Paul Heveran on 8 Oct 2023
  127. Last observed by Paul Heveran on 8 Oct 2023
  128. Last observed by Paul Heveran on 8 Oct 2023
  129. Last observed by Paul Heveran on 8 Oct 2023
  130. Last observed by Paul Heveran on 8 Oct 2023
  131. Last observed by David Pearson on 25 Feb 2019
  132. Last observed by David Pearson on 25 Feb 2019
  133. Last observed by Sochetra Ly on 20 May 2023
  134. Last observed by David Pearson on 25 Oct 2021
  135. Last observed by Paul Heveran on 8 Oct 2023
  136. Last observed by David Pearson on 9 May 2021
  137. Last observed by Sochetra Ly on 20 May 2023
  138. Last observed by David Pearson on 9 May 2021
  139. Last observed by Paul Heveran on 8 Oct 2023
  140. Last observed by Sochetra Ly on 20 May 2023
  141. Last observed by Doug Jenness on 24 Apr 2019
  142. Last observed by Sochetra Ly on 20 May 2023
  143. Last observed by Paul Heveran on 8 Oct 2023
  144. Last observed by Sochetra Ly on 20 May 2023
  145. Last observed by Sochetra Ly on 20 May 2023
  146. Last observed by Sochetra Ly on 20 May 2023
  147. Last observed by Sochetra Ly on 6 Jan 2024
  148. Last observed by Sochetra Ly on 20 May 2023
  149. Last observed by David Pearson on 27 Aug 2018
  150. Last observed by Paul Heveran on 8 Oct 2023
  151. Last observed by Paul Heveran on 8 Oct 2023
  152. Last observed by David Pearson on 22 Jul 2019
  153. Last observed by Sochetra Ly on 20 May 2023
  154. Last observed by David Pearson on 9 Sep 2019

Hybrids (1)

  1. Mallard x Mexican Duck (hybrid) Anas platyrhynchos x diazi
    Last observed by Andrew Core on 26 Apr 2016

Additional Taxa (14)

  1. Mallard/Mexican Duck Anas platyrhynchos/diazi
    Last observed by Doug Jenness on 26 Jun 2019
  2. duck sp. Anatidae (duck sp.)
    Last observed by Paul Heveran on 8 Oct 2023
  3. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    Last observed by Paul Heveran on 8 Oct 2023
  4. shorebird sp. Charadriiformes sp.
    Last observed by Andrew Core on 26 Apr 2016
  5. Larus sp. Larus sp.
    Last observed by Jennifer Werrell on 26 Nov 2017
  6. gull sp. Larinae sp.
    Last observed by Camden Bruner on 4 Feb 2023
  7. Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianum
    Last observed by Keith D Kamper on 21 Jun 2019
  8. cormorant sp. Phalacrocoracidae sp.
    Last observed by Ed Dunn on 13 Jun 2015
  9. white egret sp. Egretta/Bubulcus/Ardea sp.
    Last observed by Ed Dunn on 13 Jun 2015
  10. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    Last observed by Keith D Kamper on 21 Jun 2019
  11. raven sp. Corvus sp. (raven sp.)
    Last observed by Keith D Kamper on 4 May 2019
  12. swallow sp. Hirundinidae sp.
    Last observed by Paul Heveran on 8 Oct 2023
  13. Spizella sp. Spizella sp.
    Last observed by Paul Heveran on 8 Oct 2023
  14. new world sparrow sp. Passerellidae sp.
    Last observed by Sochetra Ly on 28 Jan 2023