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Illustrated Checklist

 Powered by Macaulay Library and eBird
Updated ~31 seconds ago

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269 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (269)

  1. Last observed by Benjamin Filreis on 8 Mar 2024
  2. Last observed by Hank Davis on 3 Dec 2017
  3. Last observed by Wendy Cesario on 19 Dec 2020
  4. Last observed by Frank Marenghi on 27 Feb 2016
  5. Last observed by Benjamin Filreis on 22 Apr 2024
  6. Last observed by Aaron Reb on 8 Dec 2022
  7. Last observed by David Brown on 12 Feb 2024
  8. Last observed by Jason Horn on 26 Feb 2023
  9. Last observed by Wendy Cesario on 3 Mar 2024
  10. Last observed by Kim Steininger on 31 Jan 2024
  11. Last observed by Chris Bennett on 20 Mar 2024
  12. Last observed by Alan Kneidel on 2 Feb 2016
  13. Last observed by Chris Bennett on 20 Mar 2024
  14. Last observed by Justin Carter on 22 Apr 2024
  15. Last observed by Chris Bennett on 20 Mar 2024
  16. Last observed by Terri Cuthriell on 4 Feb 2024
  17. Last observed by Benjamin Filreis on 19 Apr 2024
  18. Last observed by Kim Steininger on 31 Jan 2024
  19. Last observed by Ron Furnish on 2 Feb 2024
  20. Last observed by Aaron Coolman on 16 Dec 2023
  21. Last observed by Carter Chambers on 14 Mar 2024
  22. Last observed by Lou Horwitz on 25 Mar 2024
  23. Last observed by Scott Barnes on 22 Nov 1998
  24. Last observed by Vincent De Sanctis on 18 Dec 2014
  25. Last observed by Ed Wrzesniewski on 30 Jan 2024
  26. Last observed by Jeff Culler on 11 Dec 2017
  27. Last observed by Chris Bennett on 20 Mar 2024
  28. Last observed by Christopher Hinkle on 12 Jan 2024
  29. Last observed by Billy Falls on 4 Mar 2024
  30. Last observed by Michael Moore on 14 Feb 2024
  31. Last observed by Wendy Cesario on 10 Jan 2024
  32. Last observed by John Robinson on 2 Feb 2024
  33. Last observed by Caleb Strand on 14 Dec 2023
  34. Last observed by Tom Donahue on 21 Apr 2024
  35. Last observed by Marcy Stutzman on 26 Jun 2005
  36. Last observed by Dominique Bayne on 18 May 2019
  37. Last observed by George West on 17 May 1996
  38. Last observed by Benjamin Filreis on 19 Apr 2024
  39. Last observed by Jim Austin-Cole on 24 Oct 2021
  40. Last observed by David Brown on 12 Feb 2024
  41. Last observed by Tom Donahue on 21 Apr 2024
  42. Last observed by Stephen Kacir on 23 Jun 2012
  43. Last observed by Paul Ode on 19 May 2001
  44. Last observed by Tom Amico on 7 May 1994
  45. Last observed by Nick Pulcinella on 19 May 2002
  46. Last observed by Jason Horn on 15 May 2022
  47. Last observed by Scott Barnes on 29 Aug 2023
  48. Last observed by Jason Horn on 21 Apr 2023
  49. Last observed by Greg Darone on 28 May 2023
  50. Last observed by Benjamin Filreis on 19 Apr 2024
  51. Last observed by Benjamin Filreis on 19 Apr 2024
  52. Last observed by Brian Byrnes on 11 May 2019
  53. Last observed by Yi-Ying Lee on 16 Mar 2024
  54. Last observed by Geoff Hill on 2 May 1991
  55. Last observed by Benjamin Filreis on 22 Apr 2024
  56. Last observed by BRIAN MOYER on 19 Apr 2024
  57. Last observed by David Young on 1 Jun 2023
  58. Last observed by Ed Wrzesniewski on 23 Apr 2024
  59. Last observed by Charles Burg on 22 May 2012
  60. Last observed by Benjamin Filreis on 22 Apr 2024
  61. Last observed by Knarr Dan on 23 Oct 2023
  62. Last observed by Patricia and Richard Williams on 31 Aug 2009
  63. Last observed by Tom Donahue on 21 Jun 2022
  64. Last observed by Jay Sheppard on 15 Jul 2019
  65. Last observed by David Davis on 28 Aug 2010
  66. Last observed by John Mercer on 12 Aug 2023
  67. Last observed by Mary Brennan on 10 Jul 2022
  68. Last observed by Jason Horn on 26 Feb 2023
  69. Last observed by Michael Rosengarten on 28 Dec 2023
  70. Last observed by Aaron Reb on 8 May 2021
  71. Last observed by Anonymous eBirder on 23 May 2004
  72. Last observed by Doug Batt on 31 Aug 2023
  73. Last observed by Vincent De Sanctis on 20 Jul 2022
  74. Last observed by Ron Furnish on 29 Dec 2023
  75. Last observed by Justin Carter on 22 Apr 2024
  76. Last observed by Benjamin Filreis on 22 Apr 2024
  77. Last observed by Knarr Dan on 23 Oct 2023
  78. Last observed by Scott Barnes on 29 Aug 2023
  79. Last observed by Rick Cheicante on 7 Aug 1993
  80. Last observed by Adam Dudley on 2 Jun 2004
  81. Last observed by Brian Byrnes on 2 Sep 2018
  82. Last observed by Denise Ryan on 9 Oct 2023
  83. Last observed by Benjamin Filreis on 22 Apr 2024
  84. Last observed by Derek Stoner on 17 Jan 2010
  85. Last observed by Sandra Keller on 21 Aug 2004
  86. Last observed by Michael O'Brien on 28 Jul 1982
  87. Last observed by Sherman Suter on 19 Jul 2023
  88. Last observed by rod murray on 13 Oct 2023
  89. Last observed by rod murray on 23 Aug 2021
  90. Last observed by Doug Batt on 31 Aug 2023
  91. Last observed by Knarr Dan on 23 Oct 2023
  92. Last observed by Kurt Gaskill on 9 Aug 1997
  93. Last observed by Chris Bennett on 20 Mar 2024
  94. Last observed by Chris Runk on 24 Aug 2007
  95. Last observed by Michael Rosengarten on 23 Apr 2024
  96. Last observed by Rick Cheicante on 27 Jul 1996
  97. Last observed by Michael Rosengarten on 23 Apr 2024
  98. Last observed by Delaware Records on 25 May 1996
  99. Last observed by Michael Rosengarten on 23 Apr 2024
  100. Last observed by Justin Carter on 22 Apr 2024
  101. Last observed by Greg Darone on 22 Jan 2022
  102. Last observed by Billy Falls on 4 Mar 2024
  103. Last observed by Lee Adams on 28 Jan 2023
  104. Last observed by kevin bronson on 10 Jun 2023
  105. Last observed by Kees de Mooy on 15 Jul 2023
  106. Last observed by John Collins on 2 May 2014
  107. Last observed by Sean O'Connor on 20 Sep 2023
  108. Last observed by Jason Horn on 15 May 2022
  109. Last observed by Scott Lewis on 13 Jul 1987
  110. Last observed by Michael Rosengarten on 23 Apr 2024
  111. Last observed by Sherman Suter on 19 Jul 2023
  112. Last observed by Jason Horn on 8 Jun 2023
  113. Last observed by Barb Hohman on 13 Nov 2023
  114. Last observed by Michael Moore on 9 Jun 2023
  115. Last observed by Kelley Nunn on 22 Dec 2023
  116. Last observed by Derek Stoner on 21 Aug 2011
  117. Last observed by Chris Bennett on 20 Mar 2024
  118. Last observed by Edward Huestis on 29 Nov 2014
  119. Last observed by Michael Rosengarten on 23 Apr 2024
  120. Last observed by William Higgins on 23 May 2012
  121. Last observed by Amiel Hopkins on 30 Jul 2023
  122. Last observed by Carter Chambers on 28 Feb 2024
  123. Last observed by Tom Donahue on 5 Aug 2020
  124. Last observed by Chris Bennett on 14 Sep 2019
  125. Last observed by Benjamin Filreis on 19 Apr 2024
  126. Last observed by Mark R Johnson on 12 Aug 2023
  127. Last observed by Bruce Murray on 23 Aug 2022
  128. Last observed by Jim Austin-Cole on 7 Apr 2024
  129. Last observed by David Moulton on 9 Aug 2023
  130. Last observed by Greg Darone on 3 Dec 2022
  131. Last observed by Jim Austin-Cole on 7 Apr 2024
  132. Last observed by Michael Rosengarten on 23 Apr 2024
  133. Last observed by Jason Horn on 11 Aug 2022
  134. Last observed by David Young on 1 Jun 2023
  135. Last observed by BRIAN MOYER on 19 Apr 2024
  136. Last observed by BRIAN MOYER on 19 Apr 2024
  137. Last observed by Michael Rosengarten on 23 Apr 2024
  138. Last observed by Jim Austin-Cole on 7 Apr 2024
  139. Last observed by Christopher Hinkle on 12 Jan 2024
  140. Last observed by Christopher Hinkle on 21 May 2023
  141. Last observed by Alan Kneidel on 4 Dec 2014
  142. Last observed by Michael Rosengarten on 23 Apr 2024
  143. Last observed by Jim Austin-Cole on 2 Dec 2023
  144. Last observed by Jim Austin-Cole on 7 Apr 2024
  145. Last observed by Stephen Davies on 21 Feb 2021
  146. Last observed by M Huston on 24 Feb 2024
  147. Last observed by Al Guarente on 2 Feb 2003
  148. Last observed by S West on 15 Jan 2018
  149. Last observed by Tom Donahue on 22 Oct 2023
  150. Last observed by Philip Thompson on 7 Feb 1993
  151. Last observed by M Huston on 24 Feb 2024
  152. Last observed by Carter Chambers on 28 Feb 2024
  153. Last observed by Lynn Jackson on 12 Dec 2023
  154. Last observed by BRIAN MOYER on 21 Oct 2022
  155. Last observed by Sherman Suter on 9 Aug 2022
  156. Last observed by George West on 7 May 2006
  157. Last observed by Wendy Cesario on 3 Mar 2024
  158. Last observed by Jim Austin-Cole on 7 Apr 2024
  159. Last observed by Ron Furnish on 2 Feb 2024
  160. Last observed by Susan Gruver on 15 Dec 2023
  161. Last observed by William Leigh on 29 May 2013
  162. Last observed by Michael Moore on 9 Jun 2023
  163. Last observed by Tom Donahue on 22 Oct 2023
  164. Last observed by Jay Mengel on 25 May 2022
  165. Last observed by Michael Moore on 9 Jun 2023
  166. Last observed by Gerco Hoogeweg on 27 Jul 2013
  167. Last observed by Jamie and Corri Inman on 23 Sep 2015
  168. Last observed by Gerry Hawkins on 28 May 2015
  169. Last observed by Lynn Jackson on 12 Dec 2023
  170. Last observed by Ed Wrzesniewski on 23 Apr 2024
  171. Last observed by Justin Carter on 22 Apr 2024
  172. Last observed by rod murray on 2 Mar 2022
  173. Last observed by Gina Sheridan on 23 Jan 2022
  174. Last observed by Jason Horn on 16 Jan 2023
  175. Last observed by BRIAN MOYER on 13 Aug 2023
  176. Last observed by Michael Rosengarten on 23 Apr 2024
  177. Last observed by Doug Batt on 31 Aug 2023
  178. Last observed by Mark R Johnson on 12 Aug 2023
  179. Last observed by Ed Wrzesniewski on 23 Apr 2024
  180. Last observed by David Moulton on 9 Aug 2023
  181. Last observed by Mary Brennan on 2 Nov 2020
  182. Last observed by Greg Darone on 4 Nov 2023
  183. Last observed by Tom Donahue on 13 Apr 2021
  184. Last observed by Paul Ode on 19 May 2001
  185. Last observed by Gwen Moore on 6 May 2017
  186. Last observed by Philip Thompson on 7 Feb 1993
  187. Last observed by David Moulton on 9 Aug 2023
  188. Last observed by Greg Darone on 19 Jul 2022
  189. Last observed by Mark R Johnson on 6 Nov 2012
  190. Last observed by Aaron Reb on 2 Jan 2021
  191. Last observed by Jim Austin-Cole on 11 Oct 2023
  192. Last observed by Jim Austin-Cole on 7 Apr 2024
  193. Last observed by Michael Rosengarten on 23 Apr 2024
  194. Last observed by David Moulton on 9 Aug 2023
  195. Last observed by Wendy Crowe on 1 Jun 2019
  196. Last observed by Ed Wrzesniewski on 23 Apr 2024
  197. Last observed by Ed Wrzesniewski on 1 Mar 2024
  198. Last observed by Jay Keller on 16 Sep 2007
  199. Last observed by kevin bronson on 27 Oct 2022
  200. Last observed by David Moulton on 9 Aug 2023
  201. Last observed by Tom Donahue on 22 Oct 2023
  202. Last observed by Steve Collins on 7 May 2008
  203. Last observed by Michael Rosengarten on 23 Apr 2024
  204. Last observed by Mike Holthaus on 6 Apr 2023
  205. Last observed by Michael Bowen on 5 Apr 2024
  206. Last observed by rod murray on 10 Feb 2022
  207. Last observed by Ed Wrzesniewski on 1 Mar 2024
  208. Last observed by Diane Allison on 20 Jan 2015
  209. Last observed by Jim Austin-Cole on 4 Nov 2020
  210. Last observed by Ed Wrzesniewski on 23 Apr 2024
  211. Last observed by steven graff on 7 Jan 2018
  212. Last observed by Caleb Strand on 14 Dec 2023
  213. Last observed by Kurt Gaskill on 9 Aug 1997
  214. Last observed by Brian Byrnes on 18 Jul 2023
  215. Last observed by Wendy Cesario on 10 Jun 2023
  216. Last observed by Andrew Ednie on 12 Sep 2011
  217. Last observed by dean Coffin on 10 Jan 2015
  218. Last observed by Jim Austin-Cole on 2 Dec 2023
  219. Last observed by Michael Bowen on 5 Apr 2024
  220. Last observed by Chris Bennett on 20 Dec 2023
  221. Last observed by Michael Rosengarten on 28 Dec 2023
  222. Last observed by Bob Ringler on 11 Oct 2003
  223. Last observed by Scott Barnes on 29 Aug 2023
  224. Last observed by Alex Lamoreaux on 12 Nov 2014
  225. Last observed by Jason Horn on 8 Jun 2023
  226. Last observed by Ed Wallace on 24 Feb 2024
  227. Last observed by BRIAN MOYER on 19 Apr 2024
  228. Last observed by Simon RB Thompson on 3 Oct 2021
  229. Last observed by Ed Wrzesniewski on 1 Mar 2024
  230. Last observed by Billy Falls on 4 Mar 2024
  231. Last observed by Bernard Foy on 27 Sep 2020
  232. Last observed by Mark R Johnson on 12 Aug 2023
  233. Last observed by rod murray on 13 Oct 2023
  234. Last observed by steven graff on 21 May 2016
  235. Last observed by George West on 17 May 1996
  236. Last observed by Michael Rosengarten on 23 Apr 2024
  237. Last observed by Ed Wrzesniewski on 17 Mar 2024
  238. Last observed by Lynn Jackson on 12 Dec 2023
  239. Last observed by Michael Rosengarten on 23 Apr 2024
  240. Last observed by Wendy Cesario on 3 Mar 2024
  241. Last observed by Marcy Stutzman on 26 Jun 2005
  242. Last observed by Paul Ode on 19 May 2001
  243. Last observed by George West on 7 May 2006
  244. Last observed by kevin bronson on 6 May 2023
  245. Last observed by Joe Hanfman on 20 Sep 1980
  246. Last observed by J.B. Churchill on 17 May 1987
  247. Last observed by Ed Wrzesniewski on 23 Apr 2024
  248. Last observed by David Young on 1 Jun 2023
  249. Last observed by Joe Hanfman on 20 Sep 1980
  250. Last observed by Alan Belford on 4 May 2019
  251. Last observed by Al Guarente on 28 Sep 2003
  252. Last observed by Joe Hanfman on 20 Sep 1980
  253. Last observed by Steve Collins on 7 May 2008
  254. Last observed by Nicole H on 17 May 2023
  255. Last observed by George West on 7 May 2006
  256. Last observed by Tim Schreckengost on 18 May 2014
  257. Last observed by Steve Collins on 7 May 2008
  258. Last observed by rod murray on 13 Oct 2023
  259. Last observed by Justin Carter on 22 Apr 2024
  260. Last observed by Paul Ode on 19 May 2001
  261. Last observed by Alan Belford on 4 May 2019
  262. Last observed by Timothy Hodge on 19 May 2007
  263. Last observed by Joe Hanfman on 20 Sep 1980
  264. Last observed by Paul Thut on 16 May 2010
  265. Last observed by Jim Austin-Cole on 7 Apr 2024
  266. Last observed by George West on 7 May 2006
  267. Last observed by Will McPhail on 31 Aug 2023
  268. Last observed by Scott Barnes on 29 Aug 2023
  269. Last observed by Gerald Teig on 19 Jun 2010

Hybrids (2)

  1. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    Last observed by Chris Bennett on 11 Dec 2020
  2. Double-crested x Neotropic Cormorant (hybrid) Nannopterum auritum x brasilianum
    Last observed by Jason Horn on 13 Jul 2023

Additional Taxa (40)

  1. goose sp. Anatidae (goose sp.)
    Last observed by Alan Mitchnick on 29 May 2022
  2. Mallard/American Black Duck Anas platyrhynchos/rubripes
    Last observed by Benjamin Filreis on 22 Apr 2024
  3. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    Last observed by Christopher Hinkle on 27 Jan 2023
  4. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by Chris Bennett on 20 Mar 2024
  5. Surf/Black Scoter Melanitta perspicillata/americana
    Last observed by Jim Austin-Cole on 2 Dec 2023
  6. scoter sp. Melanitta sp.
    Last observed by rod murray on 11 Dec 2022
  7. Common/Red-breasted Merganser Mergus merganser/serrator
    Last observed by Lauren Morgens on 20 Jan 2018
  8. merganser sp. Mergellus/Lophodytes/Mergus sp.
    Last observed by Jerald Reb on 2 Jan 2018
  9. duck sp. Anatidae (duck sp.)
    Last observed by Billy Falls on 4 Mar 2024
  10. waterfowl sp. Anatidae sp.
    Last observed by Kelley Nunn on 4 Mar 2017
  11. King/Clapper Rail Rallus elegans/crepitans
    Last observed by Rick Robinson on 25 Jul 2015
  12. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    Last observed by rod murray on 6 Aug 2022
  13. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    Last observed by Doug Batt on 19 Jul 2023
  14. peep sp. Calidris sp. (peep sp.)
    Last observed by Art Drauglis on 28 Oct 2023
  15. Scolopacidae sp. Scolopacidae sp.
    Last observed by Rusty Wilson on 31 Aug 2011
  16. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    Last observed by Dr. James Gibson on 30 Jul 1984
  17. shorebird sp. Charadriiformes sp.
    Last observed by Tim Carney on 27 Feb 2023
  18. Larus sp. Larus sp.
    Last observed by Sherman Suter on 28 Aug 2023
  19. gull sp. Larinae sp.
    Last observed by Chris Bennett on 20 Mar 2024
  20. Forster's/Common Tern Sterna forsteri/hirundo
    Last observed by Olivia Weeks on 5 Jun 2018
  21. Sterna sp. Sterna sp.
    Last observed by John Robinson on 14 Aug 2021
  22. tern sp. Sterninae sp.
    Last observed by David Brown on 12 Jul 2023
  23. loon sp. Gavia sp.
    Last observed by Robert Blye on 18 Jul 2019
  24. black-and-white shearwater sp. Puffinus sp. (black-and-white shearwater sp.)
    Last observed by Don Burggraf on 27 Jul 2018
  25. Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
    Last observed by Jonathan Bennett on 26 Apr 1997
  26. heron sp. Ardeidae sp.
    Last observed by Stephen Kacir on 23 Jun 2012
  27. white egret sp. Egretta/Bubulcus/Ardea sp.
    Last observed by Jim Austin-Cole on 7 Apr 2024
  28. Accipiter sp. Accipiter sp.
    Last observed by Jerald Reb on 5 Feb 2017
  29. Buteo sp. Buteo sp.
    Last observed by Aaron Reb on 2 Jan 2021
  30. hawk sp. Accipitridae sp. (hawk sp.)
    Last observed by Dick Plambeck on 25 Feb 2021
  31. Empidonax sp. Empidonax sp.
    Last observed by Peter G. Saenger on 12 Aug 2022
  32. American/Fish Crow Corvus brachyrhynchos/ossifragus
    Last observed by David Young on 1 Jun 2023
  33. crow sp. Corvus sp. (crow sp.)
    Last observed by Jim Wilkinson on 25 May 2022
  34. swallow sp. Hirundinidae sp.
    Last observed by Sara Busch on 16 Jul 2023
  35. Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacuta
    Last observed by Brooke Cherry on 1 Dec 2018
  36. Ammospiza sp. Ammospiza sp.
    Last observed by Mary Gustafson on 9 Oct 1993
  37. new world sparrow sp. Passerellidae sp.
    Last observed by Jim Austin-Cole on 2 Dec 2023
  38. blackbird sp. Icteridae sp.
    Last observed by Christopher Hinkle on 17 Dec 2023
  39. passerine sp. Passeriformes sp.
    Last observed by Kate McDonald on 26 Mar 2022
  40. bird sp. Aves sp.
    Last observed by Aaron Reb on 7 Feb 2016