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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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Fort Cassin / Porter Bay

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Illustrated Checklist

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198 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (198)

  1. Last observed by John Peckham on 9 Jun 2022
  2. Last observed by Merrie Perron on 13 Mar 2024
  3. Last observed by Nancy Riggs on 11 Mar 2022
  4. Last observed by Isis Erb on 12 Mar 2016
  5. Last observed by Nate Thompson on 23 Apr 2024
  6. Last observed by Jim Mead on 1 Mar 2022
  7. Last observed by Jim Mead on 1 Apr 2017
  8. Last observed by Nate Thompson on 23 Apr 2024
  9. Last observed by John Peckham on 23 Apr 2022
  10. Last observed by Jon D. Erickson on 5 Apr 2023
  11. Last observed by Stephen Antell on 13 Apr 2024
  12. Last observed by Nikolas Kotovich on 3 Apr 2010
  13. Last observed by Fred Pratt on 15 Apr 2024
  14. Last observed by Nate Thompson on 23 Apr 2024
  15. Last observed by Fred Pratt on 22 Apr 2024
  16. Last observed by Jim Mead on 9 Mar 2024
  17. Last observed by Fred Pratt on 20 Apr 2024
  18. Last observed by Nate Dansereau on 28 Mar 2023
  19. Last observed by Nate Thompson on 23 Apr 2024
  20. Last observed by Pat Phillips on 4 Feb 2024
  21. Last observed by Stephen Antell on 11 Feb 2024
  22. Last observed by Allan Strong on 15 Jan 2024
  23. Last observed by Allan Strong on 15 Jan 2024
  24. Last observed by Nate Thompson on 23 Apr 2024
  25. Last observed by Nate Thompson on 23 Apr 2024
  26. Last observed by Ian Worley on 1 Feb 2012
  27. Last observed by Alison Wagner on 17 Apr 2024
  28. Last observed by Nate Thompson on 23 Apr 2024
  29. Last observed by Nate Dansereau on 27 Jan 2024
  30. Last observed by Jon D. Erickson on 12 Apr 2021
  31. Last observed by Ian K on 16 Aug 2023
  32. Last observed by Allan Strong on 20 Apr 2024
  33. Last observed by Jon D. Erickson on 20 Apr 2023
  34. Last observed by Clem Nilan on 28 Jan 2024
  35. Last observed by Jon D. Erickson on 22 Apr 2024
  36. Last observed by Stephen Antell on 29 Mar 2024
  37. Last observed by Ben Huston on 27 May 2023
  38. Last observed by Nate Dansereau on 13 Jun 2023
  39. Last observed by James Swift on 23 May 2022
  40. Last observed by Fred Pratt on 12 Sep 2023
  41. Last observed by Rebecca Giroux on 6 Jul 2022
  42. Last observed by Rebecca Giroux on 8 Jun 2022
  43. Last observed by Mike Winslow on 11 Jun 2022
  44. Last observed by Jon D. Erickson on 18 Apr 2024
  45. Last observed by Nate Dansereau on 18 Apr 2024
  46. Last observed by Isis Erb on 29 Sep 2017
  47. Last observed by Ben Huston on 27 May 2023
  48. Last observed by Jon D. Erickson on 18 May 2022
  49. Last observed by Pat Phillips on 25 Mar 2024
  50. Last observed by Rebecca Giroux on 22 Aug 2023
  51. Last observed by Jon D. Erickson on 4 Sep 2023
  52. Last observed by Fred Pratt on 12 Sep 2023
  53. Last observed by Merrie Perron on 3 Oct 2023
  54. Last observed by Jo Jo Doyle on 10 Jul 2023
  55. Last observed by Fred Pratt on 7 Sep 2022
  56. Last observed by Jim Phillips on 18 Jul 2023
  57. Last observed by Janet Saylor on 2 Apr 2023
  58. Last observed by Jon D. Erickson on 20 Apr 2024
  59. Last observed by Stephen Antell on 13 Apr 2024
  60. Last observed by Stephen Antell on 3 Apr 2024
  61. Last observed by John Peckham on 27 Feb 2023
  62. Last observed by Nate Thompson on 23 Apr 2024
  63. Last observed by Fred Pratt on 9 May 2022
  64. Last observed by Jon D. Erickson on 31 Oct 2022
  65. Last observed by Nate Dansereau on 18 Apr 2024
  66. Last observed by Mae Mayville on 29 Dec 2008
  67. Last observed by Nate Thompson on 23 Apr 2024
  68. Last observed by Jon D. Erickson on 5 Jun 2023
  69. Last observed by Jon D. Erickson on 5 Jun 2023
  70. Last observed by Jim Phillips on 1 May 2020
  71. Last observed by Allan Strong on 10 May 2014
  72. Last observed by Jim Phillips on 14 Sep 2023
  73. Last observed by Jon D. Erickson on 8 Sep 2023
  74. Last observed by Jon D. Erickson on 22 Apr 2024
  75. Last observed by Rebecca Giroux on 29 Mar 2024
  76. Last observed by Jon D. Erickson on 22 Apr 2024
  77. Last observed by Nate Thompson on 23 Apr 2024
  78. Last observed by Fred Pratt on 16 Apr 2024
  79. Last observed by Anonymous eBirder on 20 Mar 2023
  80. Last observed by Bob Heitzman on 17 Feb 2024
  81. Last observed by Scott Morrical on 12 Feb 2022
  82. Last observed by Nate Thompson on 23 Apr 2024
  83. Last observed by Jim Mead on 25 Apr 2022
  84. Last observed by Bob Heitzman on 26 Mar 2024
  85. Last observed by Nate Dansereau on 8 Jan 2024
  86. Last observed by Merrie Perron on 30 Jan 2024
  87. Last observed by Dottie Nelson on 13 Feb 2021
  88. Last observed by C. J. Frankiewicz on 24 Mar 2022
  89. Last observed by C. J. Frankiewicz on 17 Nov 2022
  90. Last observed by Nate Thompson on 23 Apr 2024
  91. Last observed by Mike Winslow on 27 May 2023
  92. Last observed by Jon D. Erickson on 22 Apr 2024
  93. Last observed by Nate Thompson on 23 Apr 2024
  94. Last observed by Fred Pratt on 22 Apr 2024
  95. Last observed by Merrie Perron on 13 Apr 2024
  96. Last observed by Fred Pratt on 22 Apr 2024
  97. Last observed by Fred Pratt on 22 Apr 2024
  98. Last observed by John Peckham on 11 Mar 2023
  99. Last observed by Fred Pratt on 3 Oct 2023
  100. Last observed by Jim Phillips on 28 Aug 2023
  101. Last observed by Jon D. Erickson on 27 May 2021
  102. Last observed by Isis Erb on 14 Jun 2015
  103. Last observed by Fred Pratt on 7 Jun 2021
  104. Last observed by Jon D. Erickson on 5 Jun 2023
  105. Last observed by Fred Pratt on 22 Apr 2024
  106. Last observed by Jon D. Erickson on 20 Jul 2023
  107. Last observed by Jon D. Erickson on 16 Aug 2023
  108. Last observed by Nate Dansereau on 13 Jun 2023
  109. Last observed by Fernando Corrada on 24 Aug 2022
  110. Last observed by Jon D. Erickson on 8 Sep 2023
  111. Last observed by Jon D. Erickson on 4 Sep 2023
  112. Last observed by Mike Winslow on 5 Mar 2023
  113. Last observed by Maeve Kim on 14 Apr 2024
  114. Last observed by Jon D. Erickson on 22 Apr 2024
  115. Last observed by Jon D. Erickson on 20 Apr 2024
  116. Last observed by Jon D. Erickson on 22 Apr 2024
  117. Last observed by Jon D. Erickson on 22 Apr 2024
  118. Last observed by Rachel Pollock on 10 Jan 2024
  119. Last observed by Jon D. Erickson on 5 Jul 2023
  120. Last observed by Nate Thompson on 23 Apr 2024
  121. Last observed by Jon D. Erickson on 22 Apr 2024
  122. Last observed by Jon D. Erickson on 18 Apr 2024
  123. Last observed by Jon D. Erickson on 18 Apr 2024
  124. Last observed by Jon D. Erickson on 5 Jul 2023
  125. Last observed by Jon D. Erickson on 22 Apr 2024
  126. Last observed by Rebecca Giroux on 29 Mar 2024
  127. Last observed by Nate Thompson on 23 Apr 2024
  128. Last observed by C. J. Frankiewicz on 7 Nov 2022
  129. Last observed by Jon D. Erickson on 22 Apr 2024
  130. Last observed by Allan Strong on 20 Apr 2024
  131. Last observed by Nate Dansereau on 13 Jun 2023
  132. Last observed by C. J. Frankiewicz on 4 Dec 2018
  133. Last observed by Jon D. Erickson on 20 Jul 2023
  134. Last observed by Rachel Pollock on 2 Apr 2024
  135. Last observed by Nate Thompson on 23 Apr 2024
  136. Last observed by Jon D. Erickson on 8 Sep 2023
  137. Last observed by Avery Fish on 8 May 2021
  138. Last observed by Nancy Riggs on 11 Mar 2022
  139. Last observed by Fred Pratt on 22 Apr 2024
  140. Last observed by Ben Huston on 27 May 2023
  141. Last observed by Ben Huston on 27 May 2023
  142. Last observed by Scott Morrical on 23 Jun 2021
  143. Last observed by Nate Thompson on 23 Apr 2024
  144. Last observed by Martha McClintock on 16 Mar 2013
  145. Last observed by Bob Heitzman on 26 Mar 2024
  146. Last observed by Allan Strong on 20 Apr 2024
  147. Last observed by Jon D. Erickson on 31 Oct 2022
  148. Last observed by Jon D. Erickson on 22 Apr 2024
  149. Last observed by Fred Pratt on 25 Mar 2024
  150. Last observed by Jon D. Erickson on 20 Feb 2021
  151. Last observed by Jon D. Erickson on 20 Apr 2024
  152. Last observed by Clem Nilan on 8 Jan 2024
  153. Last observed by Jon D. Erickson on 19 Nov 2023
  154. Last observed by Ben Huston on 27 May 2023
  155. Last observed by Jon D. Erickson on 18 Apr 2024
  156. Last observed by Allan Strong on 20 Apr 2024
  157. Last observed by Jim Phillips on 16 May 2023
  158. Last observed by Jon D. Erickson on 22 Apr 2024
  159. Last observed by Jon D. Erickson on 18 Apr 2024
  160. Last observed by Nate Thompson on 23 Apr 2024
  161. Last observed by Ethan Rising on 14 May 2022
  162. Last observed by Jon D. Erickson on 18 Apr 2024
  163. Last observed by Jim Phillips on 2 Oct 2020
  164. Last observed by Isis Erb on 14 Jun 2015
  165. Last observed by Grassland Surveys - Vermont Center for Ecostudies on 21 Aug 2022
  166. Last observed by Isis Erb on 14 Jun 2015
  167. Last observed by Cecile & Morris Yarrow on 17 Jun 2023
  168. Last observed by Nate Thompson on 23 Apr 2024
  169. Last observed by Jon D. Erickson on 22 Apr 2024
  170. Last observed by Merrie Perron on 13 Apr 2024
  171. Last observed by Jon D. Erickson on 22 Apr 2024
  172. Last observed by Jon D. Erickson on 16 May 2023
  173. Last observed by Jo Jo Doyle on 16 Apr 2023
  174. Last observed by Jon D. Erickson on 5 Jun 2023
  175. Last observed by Noah Strycker on 18 May 2023
  176. Last observed by sharon riley on 24 May 2023
  177. Last observed by Fernando Corrada on 24 Aug 2022
  178. Last observed by Jon D. Erickson on 20 Jul 2023
  179. Last observed by Fred Pratt on 12 Sep 2023
  180. Last observed by Ben Huston on 27 May 2023
  181. Last observed by Fred Pratt on 21 May 2023
  182. Last observed by Ben Huston on 27 May 2023
  183. Last observed by Fred Pratt on 7 Sep 2022
  184. Last observed by Fred Pratt on 14 May 2023
  185. Last observed by Scott Morrical on 16 May 2022
  186. Last observed by Jon D. Erickson on 20 Jul 2023
  187. Last observed by Ben Huston on 27 May 2023
  188. Last observed by Ben Huston on 27 May 2023
  189. Last observed by Scott Morrical on 16 May 2022
  190. Last observed by Fred Pratt on 14 May 2023
  191. Last observed by Jon D. Erickson on 22 Apr 2024
  192. Last observed by Merrie Perron on 3 Oct 2023
  193. Last observed by Jon D. Erickson on 20 May 2023
  194. Last observed by Jon D. Erickson on 18 May 2022
  195. Last observed by Nate Dansereau on 13 Jun 2023
  196. Last observed by Nate Thompson on 23 Apr 2024
  197. Last observed by Nate Dansereau on 13 Jun 2023
  198. Last observed by Jon D. Erickson on 20 Jul 2023

Exotic: Escapee (1)

  1. Last observed by Dean Grover on 19 Apr 2000

Hybrids (2)

  1. Eurasian x American Wigeon (hybrid) Mareca penelope x americana
    Last observed by Ron Payne on 18 Apr 2013
  2. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    Last observed by John Peckham on 14 Feb 2023

Additional Taxa (20)

  1. Cackling/Canada Goose Branta hutchinsii/canadensis
    Last observed by Clem Nilan on 13 Mar 2024
  2. goose sp. Anatidae (goose sp.)
    Last observed by Merrie Perron on 10 Mar 2022
  3. Mallard/American Black Duck Anas platyrhynchos/rubripes
    Last observed by Rachel Pollock on 22 Mar 2023
  4. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    Last observed by C. J. Frankiewicz on 29 Nov 2018
  5. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by Merrie Perron on 8 Feb 2024
  6. Surf/Black Scoter Melanitta perspicillata/americana
    Last observed by Ian Worley on 10 Jan 2015
  7. Common/Red-breasted Merganser Mergus merganser/serrator
    Last observed by David Guertin on 16 Dec 2023
  8. duck sp. Anatidae (duck sp.)
    Last observed by Maeve Kim on 8 Feb 2024
  9. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    Last observed by Jon D. Erickson on 8 Sep 2023
  10. gull sp. Larinae sp.
    Last observed by Jon D. Erickson on 7 Apr 2024
  11. cormorant sp. Phalacrocoracidae sp.
    Last observed by Merrie Perron on 4 Jan 2021
  12. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by Michael Blust on 1 Dec 2022
  13. Accipiter sp. Accipiter sp.
    Last observed by Merrie Perron on 20 Feb 2023
  14. Buteo sp. Buteo sp.
    Last observed by Merrie Perron on 11 Dec 2023
  15. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    Last observed by Maeve Kim on 27 Feb 2024
  16. woodpecker sp. Picidae sp.
    Last observed by C. J. Frankiewicz on 8 May 2022
  17. new world flycatcher sp. Tyrannidae sp.
    Last observed by Merrie Perron on 30 Aug 2022
  18. crow sp. Corvus sp. (crow sp.)
    Last observed by C. J. Frankiewicz on 14 May 2022
  19. new world sparrow sp. Passerellidae sp.
    Last observed by Merrie Perron on 22 Mar 2024
  20. new world warbler sp. Parulidae sp.
    Last observed by Merrie Perron on 3 Oct 2023