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Occoquan Sewage Plant (UOSA)

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Illustrated Checklist

 Powered by Macaulay Library and eBird
Updated ~17 seconds ago

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176 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (176)

  1. Last observed by Deapesh M on 16 Dec 2017
  2. Last observed by Sherman Suter on 16 Jan 2023
  3. Last observed by George Huttar on 21 Apr 2024
  4. Last observed by Richard Curley on 13 Nov 2019
  5. Last observed by Paul and Joan Woodward on 31 Mar 2024
  6. Last observed by David Ledwith on 10 Apr 2022
  7. Last observed by Julia Beach on 22 Jan 2022
  8. Last observed by David Ledwith on 10 Feb 2024
  9. Last observed by Daniel Lebbin on 15 Mar 2020
  10. Last observed by David Ledwith on 20 Apr 2024
  11. Last observed by David Ledwith on 17 Dec 2023
  12. Last observed by Brian S on 25 Dec 2019
  13. Last observed by Frederick Atwood on 12 Apr 2024
  14. Last observed by Steve Bielamowicz on 22 Jan 2022
  15. Last observed by Dixie Sommers on 1 Feb 2022
  16. Last observed by P.W. Boyd on 1 Apr 2023
  17. Last observed by Sherman Suter on 31 Jan 2022
  18. Last observed by stephen johnson šŸ¦œ on 2 Nov 2021
  19. Last observed by David Ledwith on 25 Oct 2020
  20. Last observed by Alex Capaldi on 27 Jan 2022
  21. Last observed by Jeff Clark on 17 Feb 2021
  22. Last observed by Candice Lowther on 17 Feb 2024
  23. Last observed by karen pinckard on 30 Jan 2022
  24. Last observed by Mike Bishop on 9 Apr 2024
  25. Last observed by Evan Pannkuk on 21 Apr 2024
  26. Last observed by David Ledwith on 20 Apr 2024
  27. Last observed by David Ledwith on 20 Apr 2024
  28. Last observed by David Ledwith on 7 Jan 2023
  29. Last observed by Cynthia Nickerson on 14 Apr 2024
  30. Last observed by Cynthia Nickerson on 31 Mar 2024
  31. Last observed by Sherman Suter on 9 Mar 2015
  32. Last observed by Cynthia Nickerson on 14 Apr 2024
  33. Last observed by Frederick Atwood on 12 Apr 2024
  34. Last observed by Deapesh M on 12 Jun 2021
  35. Last observed by Deapesh M on 3 May 2018
  36. Last observed by Deapesh M on 18 Sep 2018
  37. Last observed by David Ledwith on 20 Apr 2024
  38. Last observed by Deapesh M on 23 Jul 2023
  39. Last observed by George Huttar on 24 Jan 2024
  40. Last observed by Frederick Atwood on 12 Apr 2024
  41. Last observed by Kurt Gaskill on 5 Aug 2000
  42. Last observed by Deapesh M on 24 Feb 2018
  43. Last observed by David Ledwith on 20 Apr 2024
  44. Last observed by Adit Nehra on 5 May 2019
  45. Last observed by Deapesh M on 30 Mar 2019
  46. Last observed by Deapesh M on 3 May 2014
  47. Last observed by P.W. Boyd on 8 Apr 2023
  48. Last observed by David Ledwith on 10 Dec 2023
  49. Last observed by Paul and Joan Woodward on 31 Mar 2024
  50. Last observed by Cynthia Nickerson on 17 Feb 2024
  51. Last observed by Jacob Saucier on 18 Jan 2019
  52. Last observed by P.W. Boyd on 8 Apr 2023
  53. Last observed by Deapesh M on 25 Oct 2020
  54. Last observed by Deapesh M on 15 Sep 2018
  55. Last observed by Phil Silas on 22 Mar 2015
  56. Last observed by David Ledwith on 10 Apr 2022
  57. Last observed by Evan Pannkuk on 21 Apr 2024
  58. Last observed by Deapesh M on 27 May 2017
  59. Last observed by Jared Hollick on 15 Sep 2014
  60. Last observed by David Ledwith on 16 Jul 2022
  61. Last observed by Deapesh M on 23 Jul 2023
  62. Last observed by David Ledwith on 21 Jul 2023
  63. Last observed by Deapesh M on 1 Apr 2024
  64. Last observed by David Ledwith on 13 Apr 2024
  65. Last observed by David Ledwith on 20 Apr 2024
  66. Last observed by David Ledwith on 20 Apr 2024
  67. Last observed by Paul Schmidt on 28 Jan 2018
  68. Last observed by karen pinckard on 11 Apr 2022
  69. Last observed by David Ledwith on 20 Apr 2024
  70. Last observed by Frederick Atwood on 12 Apr 2024
  71. Last observed by Frederick Atwood on 12 Apr 2024
  72. Last observed by David Ledwith on 20 Apr 2024
  73. Last observed by David Ledwith on 21 Jul 2023
  74. Last observed by David Ledwith on 15 Dec 2019
  75. Last observed by Daniel Cook on 9 Jan 2021
  76. Last observed by Mike Bishop on 9 Apr 2024
  77. Last observed by Paul and Joan Woodward on 31 Mar 2024
  78. Last observed by Sherman Suter on 11 Oct 2022
  79. Last observed by George Huttar on 22 Apr 2024
  80. Last observed by George Huttar on 22 Apr 2024
  81. Last observed by Glen Gerada on 17 Dec 2023
  82. Last observed by Mike Bishop on 19 Nov 2023
  83. Last observed by Paul and Joan Woodward on 31 Mar 2024
  84. Last observed by stephen johnson šŸ¦œ on 25 Mar 2022
  85. Last observed by Phil Kenny on 30 Jan 2022
  86. Last observed by Phil Silas on 20 Dec 2015
  87. Last observed by Paul and Joan Woodward on 4 Aug 2023
  88. Last observed by Deapesh M on 16 May 2018
  89. Last observed by Deapesh M on 1 Apr 2024
  90. Last observed by David Ledwith on 21 Jul 2023
  91. Last observed by David Ledwith on 20 Apr 2024
  92. Last observed by Joshua Berman on 26 Oct 2020
  93. Last observed by Deapesh M on 6 May 2018
  94. Last observed by Sherman Suter on 11 Oct 2022
  95. Last observed by George Huttar on 22 Apr 2024
  96. Last observed by David Ledwith on 13 Apr 2024
  97. Last observed by George Huttar on 22 Apr 2024
  98. Last observed by Deapesh M on 6 Jul 2023
  99. Last observed by David Ledwith on 13 Apr 2024
  100. Last observed by David Ledwith on 20 Apr 2024
  101. Last observed by Elton Morel on 5 May 2019
  102. Last observed by George Huttar on 21 Apr 2024
  103. Last observed by George Huttar on 21 Apr 2024
  104. Last observed by David Ledwith on 20 Apr 2024
  105. Last observed by Frederick Atwood on 12 Apr 2024
  106. Last observed by Deapesh M on 9 May 2019
  107. Last observed by Cynthia Nickerson on 31 Mar 2024
  108. Last observed by Deapesh M on 17 Dec 2023
  109. Last observed by Paul and Joan Woodward on 31 Mar 2024
  110. Last observed by Glen Gerada on 24 Jan 2023
  111. Last observed by Deapesh M on 18 Dec 2022
  112. Last observed by Deapesh M on 21 Aug 2022
  113. Last observed by Paul and Joan Woodward on 4 Aug 2023
  114. Last observed by Paul and Joan Woodward on 29 Dec 2022
  115. Last observed by George Huttar on 22 Apr 2024
  116. Last observed by George Huttar on 22 Apr 2024
  117. Last observed by George Huttar on 22 Apr 2024
  118. Last observed by David Ledwith on 20 Apr 2024
  119. Last observed by George Huttar on 22 Apr 2024
  120. Last observed by David Ledwith on 20 Apr 2024
  121. Last observed by Deapesh M on 6 May 2019
  122. Last observed by Paul and Joan Woodward on 31 Mar 2024
  123. Last observed by George Huttar on 22 Apr 2024
  124. Last observed by David Ledwith on 17 Dec 2023
  125. Last observed by George Huttar on 22 Apr 2024
  126. Last observed by Sherman Suter on 31 Jan 2022
  127. Last observed by George Huttar on 22 Apr 2024
  128. Last observed by Joshua Berman on 26 Oct 2020
  129. Last observed by David Ledwith on 13 Apr 2024
  130. Last observed by George Huttar on 22 Apr 2024
  131. Last observed by stephen johnson šŸ¦œ on 25 Mar 2022
  132. Last observed by Deapesh M on 20 Jan 2024
  133. Last observed by Cynthia Nickerson on 14 Apr 2024
  134. Last observed by Russell Taylor on 6 Mar 2016
  135. Last observed by George Huttar on 22 Apr 2024
  136. Last observed by Deapesh M on 25 Apr 2022
  137. Last observed by George Huttar on 22 Apr 2024
  138. Last observed by Mike Bishop on 17 Jan 2021
  139. Last observed by David Ledwith on 20 Apr 2024
  140. Last observed by Phoebe Fisher on 3 May 2006
  141. Last observed by Deapesh M on 26 Mar 2024
  142. Last observed by Deapesh M on 12 Jun 2021
  143. Last observed by Julie Cooper on 20 May 2023
  144. Last observed by David Ledwith on 20 Apr 2024
  145. Last observed by David Ledwith on 20 Apr 2024
  146. Last observed by Gerco Hoogeweg on 16 Dec 2007
  147. Last observed by Deapesh M on 1 Apr 2024
  148. Last observed by Deapesh M on 7 May 2016
  149. Last observed by Deapesh M on 15 Sep 2019
  150. Last observed by Phoebe Fisher on 3 May 2006
  151. Last observed by Deapesh M on 1 Oct 2017
  152. Last observed by Deapesh M on 20 May 2018
  153. Last observed by Deapesh M on 5 Oct 2019
  154. Last observed by Deapesh M on 29 Sep 2019
  155. Last observed by Deapesh M on 3 May 2018
  156. Last observed by Deapesh M on 27 Apr 2018
  157. Last observed by Deapesh M on 26 Apr 2022
  158. Last observed by Paul and Joan Woodward on 3 Oct 2021
  159. Last observed by Deapesh M on 12 May 2018
  160. Last observed by Paul and Joan Woodward on 3 Oct 2021
  161. Last observed by stephen johnson šŸ¦œ on 9 Aug 2021
  162. Last observed by Deapesh M on 8 Sep 2019
  163. Last observed by Deapesh M on 25 May 2020
  164. Last observed by Deapesh M on 21 Sep 2019
  165. Last observed by Quinn Emmering on 25 Oct 2020
  166. Last observed by Paul and Joan Woodward on 16 Aug 2020
  167. Last observed by Evan Pannkuk on 21 Apr 2024
  168. Last observed by Deapesh M on 10 May 2014
  169. Last observed by Deapesh M on 30 Apr 2019
  170. Last observed by Deapesh M on 8 May 2021
  171. Last observed by Deapesh M on 12 May 2018
  172. Last observed by Deapesh M on 7 Oct 2018
  173. Last observed by George Huttar on 22 Apr 2024
  174. Last observed by Deapesh M on 20 Sep 2018
  175. Last observed by Deapesh M on 13 Jul 2019
  176. Last observed by stephen johnson šŸ¦œ on 28 May 2021

Exotic: Escapee (1)

  1. Last observed by Kurt Gaskill on 13 Apr 2024

Additional Taxa (22)

  1. Cackling/Canada Goose Branta hutchinsii/canadensis
    Last observed by Quinn Emmering on 25 Oct 2020
  2. Mallard/American Black Duck Anas platyrhynchos/rubripes
    Last observed by George Huttar on 21 Aug 2022
  3. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by George Huttar on 8 Feb 2024
  4. Aythya sp. Aythya sp.
    Last observed by Deapesh M on 2 Feb 2019
  5. Common/Red-breasted Merganser Mergus merganser/serrator
    Last observed by stephen johnson šŸ¦œ on 24 Jan 2021
  6. duck sp. Anatidae (duck sp.)
    Last observed by Cynthia Nickerson on 29 Dec 2023
  7. grebe sp. Podicipedidae sp.
    Last observed by stephen johnson šŸ¦œ on 11 Dec 2017
  8. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    Last observed by Deapesh M on 16 May 2021
  9. gull sp. Larinae sp.
    Last observed by George Huttar on 17 Dec 2023
  10. tern sp. Sterninae sp.
    Last observed by Deapesh M on 18 Sep 2018
  11. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by Adrin A. on 6 Mar 2023
  12. Accipiter sp. Accipiter sp.
    Last observed by George Huttar on 22 Apr 2024
  13. Buteo sp. Buteo sp.
    Last observed by Deapesh M on 19 Oct 2019
  14. hawk sp. Accipitridae sp. (hawk sp.)
    Last observed by Julia Beach on 26 Dec 2022
  15. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    Last observed by Deapesh M on 6 Sep 2019
  16. falcon sp. Falco sp.
    Last observed by Deapesh M on 25 Mar 2017
  17. Empidonax sp. Empidonax sp.
    Last observed by Deapesh M on 15 Sep 2019
  18. crow sp. Corvus sp. (crow sp.)
    Last observed by Cynthia Nickerson on 31 Mar 2024
  19. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    Last observed by Russell Taylor on 26 Mar 2017
  20. swallow sp. Hirundinidae sp.
    Last observed by Quinn Emmering on 25 Oct 2020
  21. blackbird sp. Icteridae sp.
    Last observed by stephen johnson šŸ¦œ on 26 Nov 2021
  22. new world warbler sp. Parulidae sp.
    Last observed by Paul and Joan Woodward on 3 Oct 2021