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Prime Hook National Wildlife Refuge

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Illustrated Checklist

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300 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (300)

  1. Last observed by Delaware Records on 17 Jun 2008
  2. Last observed by Nathan Wheeler on 2 Mar 2024
  3. Last observed by Susan Gruver on 11 Jan 2024
  4. Last observed by Mary Anne Fluke on 5 Feb 2017
  5. Last observed by Susan Gruver on 17 Mar 2017
  6. Last observed by Leonard Graf on 3 May 2014
  7. Last observed by Susan Gruver on 8 Jan 2023
  8. Last observed by Steve McInnis on 24 Apr 2024
  9. Last observed by Susan Gruver on 10 Jan 2023
  10. Last observed by Steve Guris on 11 Feb 2024
  11. Last observed by Susan Gruver on 8 Mar 2024
  12. Last observed by Jay Mengel on 14 Apr 2022
  13. Last observed by John Manger on 22 Feb 2024
  14. Last observed by Karl Wallulis on 16 Mar 2024
  15. Last observed by Anonymous eBirder on 3 Mar 2013
  16. Last observed by Tamie Bulow on 29 Nov 2022
  17. Last observed by Ed Wrzesniewski on 22 Apr 2024
  18. Last observed by Jason Horn on 22 Apr 2024
  19. Last observed by Linda Houghton on 4 Mar 2024
  20. Last observed by Jason Horn on 22 Apr 2024
  21. Last observed by Kurt Gaskill on 15 Jan 2012
  22. Last observed by David Kidwell on 24 May 2014
  23. Last observed by Nancy Cunningham on 1 Jan 2023
  24. Last observed by Holly Lemieux on 11 Mar 2021
  25. Last observed by Nathan Wheeler on 2 Mar 2024
  26. Last observed by John Long on 22 Nov 2015
  27. Last observed by Charlotte Pavelka & Doug Reitz on 30 Mar 2024
  28. Last observed by Keith Maley on 8 Nov 2015
  29. Last observed by Tom Sheley on 16 Feb 2023
  30. Last observed by Cory Swift on 10 Mar 2023
  31. Last observed by Susan Gruver on 3 Mar 2024
  32. Last observed by Tom Sheley on 16 Feb 2023
  33. Last observed by Susan Gruver on 23 Feb 2024
  34. Last observed by Joan Campbell on 21 Feb 2024
  35. Last observed by Cheryl Duford on 5 Apr 2024
  36. Last observed by Peter Schuyler on 15 Apr 2024
  37. Last observed by Jason Horn on 15 Jun 2023
  38. Last observed by Jason Horn on 22 Apr 2024
  39. Last observed by Sam Dyke (Admin R. Ostrowski) on 12 Apr 1995
  40. Last observed by Scott Northey on 31 Mar 2023
  41. Last observed by Walter Shook on 14 Feb 2019
  42. Last observed by Susan Gruver on 19 Mar 2015
  43. Last observed by Peter Schuyler on 15 Apr 2024
  44. Last observed by Susan Gruver on 25 Apr 2024
  45. Last observed by Oliver James on 6 Aug 2023
  46. Last observed by Alice Mohrman on 24 Sep 2022
  47. Last observed by Byron Swift on 8 May 2021
  48. Last observed by Christopher Hinkle on 5 May 2023
  49. Last observed by Christopher Hinkle on 5 May 2023
  50. Last observed by Oliver James on 6 Aug 2023
  51. Last observed by Steve McInnis on 24 Apr 2024
  52. Last observed by Jason Horn on 22 Apr 2024
  53. Last observed by Susan Gruver on 25 Jun 2023
  54. Last observed by Jason Horn on 11 Oct 2023
  55. Last observed by Jason Horn on 11 Oct 2023
  56. Last observed by Alan Wells on 25 May 2014
  57. Last observed by Wendy Cesario on 4 Feb 2021
  58. Last observed by Susan Gruver on 26 May 2012
  59. Last observed by David Guarnieri on 6 Jul 2023
  60. Last observed by Charlotte Pavelka & Doug Reitz on 30 Mar 2024
  61. Last observed by Sharon Borton on 20 May 2023
  62. Last observed by Jason Horn on 22 Apr 2024
  63. Last observed by Jason Horn on 11 Oct 2023
  64. Last observed by Jason Horn on 22 Apr 2024
  65. Last observed by Jason Horn on 11 Oct 2023
  66. Last observed by Susan Gruver on 4 Apr 2022
  67. Last observed by Mary Gustafson on 23 Aug 1998
  68. Last observed by David Guarnieri on 6 Jul 2023
  69. Last observed by Mark R Johnson on 21 Jul 2012
  70. Last observed by Elia Sanjume on 7 Oct 2023
  71. Last observed by Jason Horn on 7 Sep 2022
  72. Last observed by Jason Horn on 11 Oct 2023
  73. Last observed by Ellie McDonald on 5 Aug 2022
  74. Last observed by Susan Gruver on 14 Apr 2024
  75. Last observed by Jason Horn on 20 Apr 2023
  76. Last observed by Susan Gruver on 28 Jun 2015
  77. Last observed by Nick Pulcinella on 13 May 2008
  78. Last observed by John Long on 18 Sep 2014
  79. Last observed by Oliver James on 6 Aug 2023
  80. Last observed by Jason Horn on 22 Apr 2024
  81. Last observed by Todd Fellenbaum on 12 May 2008
  82. Last observed by Debbie Hatfield on 21 Mar 2024
  83. Last observed by Jason Horn on 22 Apr 2024
  84. Last observed by Jason Horn on 22 Apr 2024
  85. Last observed by Jason Horn on 22 Apr 2024
  86. Last observed by Sharon Borton on 20 May 2023
  87. Last observed by ellen & jake jacobson on 29 Apr 2017
  88. Last observed by Jason Hull on 18 Jul 2022
  89. Last observed by Susan Gruver on 27 Aug 2015
  90. Last observed by Charlotte Pavelka & Doug Reitz on 30 Mar 2024
  91. Last observed by Jason Horn on 22 Apr 2024
  92. Last observed by Jim Dunn on 21 Aug 2011
  93. Last observed by Megan Fedor on 5 Oct 2022
  94. Last observed by Oliver James on 6 Aug 2023
  95. Last observed by Jason Horn on 11 Oct 2023
  96. Last observed by Jason Horn on 11 Oct 2023
  97. Last observed by Jason Horn on 11 Oct 2023
  98. Last observed by Todd Hooe on 18 Aug 2019
  99. Last observed by Jason Horn on 22 Apr 2024
  100. Last observed by Susan Gruver on 6 Mar 2016
  101. Last observed by Steve McInnis on 24 Apr 2024
  102. Last observed by Jason Horn on 22 Apr 2024
  103. Last observed by Jason Horn on 22 Apr 2024
  104. Last observed by Charlotte Pavelka & Doug Reitz on 30 Mar 2024
  105. Last observed by Frederick Atwood on 15 Jan 2018
  106. Last observed by Jason Horn on 22 Apr 2024
  107. Last observed by Susan Gruver on 5 Feb 2012
  108. Last observed by Jason Horn on 11 Oct 2023
  109. Last observed by Oliver James on 6 Aug 2023
  110. Last observed by Andrew Ednie on 26 Jul 2023
  111. Last observed by Linda Houghton on 23 Oct 2023
  112. Last observed by Jason Horn on 15 Jun 2023
  113. Last observed by Jason Horn on 22 Apr 2024
  114. Last observed by Cris Peck on 24 Jul 2023
  115. Last observed by Alan Kneidel on 20 Jun 2015
  116. Last observed by BRIAN MOYER on 19 Apr 2024
  117. Last observed by Matthew Addicks on 19 Dec 2022
  118. Last observed by Matthew Addicks on 19 Dec 2022
  119. Last observed by Holger Pflicke on 17 Jul 2014
  120. Last observed by Peter Lev on 26 Mar 2022
  121. Last observed by Delaware Records on 14 Jul 2013
  122. Last observed by Steve Guris on 11 Feb 2024
  123. Last observed by Jason Horn on 22 Apr 2024
  124. Last observed by Jen Ottinger on 14 Sep 2020
  125. Last observed by Dan Lanzo on 12 Jul 2023
  126. Last observed by Scott Schwenk on 6 Apr 2023
  127. Last observed by Chris Haddon on 17 Jun 2020
  128. Last observed by John Long on 8 Jun 2017
  129. Last observed by David Guarnieri on 7 Jul 2021
  130. Last observed by Jodi Brodsky on 19 Aug 2022
  131. Last observed by Jason Horn on 7 Sep 2022
  132. Last observed by BRIAN MOYER on 19 Apr 2024
  133. Last observed by David Wright on 26 May 2011
  134. Last observed by Walter Shook on 14 Aug 2023
  135. Last observed by Heather Sharp on 28 Apr 2020
  136. Last observed by Jason Horn on 22 Apr 2024
  137. Last observed by Jason Horn on 22 Apr 2024
  138. Last observed by Benjamin Filreis on 6 Oct 2023
  139. Last observed by Steve McInnis on 24 Apr 2024
  140. Last observed by Susan Gruver on 25 Apr 2024
  141. Last observed by Susan Gruver on 25 Apr 2024
  142. Last observed by Susan Gruver on 25 Apr 2024
  143. Last observed by Delaware Records on 2 Jun 2007
  144. Last observed by Cheryl Duford on 8 Apr 2024
  145. Last observed by Cheryl Duford on 9 Apr 2024
  146. Last observed by John Long on 6 Apr 2024
  147. Last observed by Jen Ottinger on 13 Nov 2017
  148. Last observed by Steve McInnis on 24 Apr 2024
  149. Last observed by Larry Zirlin on 8 Mar 2024
  150. Last observed by Debbie Schroeder on 13 Apr 2022
  151. Last observed by Susan Gruver on 25 Apr 2024
  152. Last observed by Peter Lev on 7 Mar 2020
  153. Last observed by Scott Baron on 15 Jul 2017
  154. Last observed by Alex C on 25 Feb 2024
  155. Last observed by Justin Guider on 31 Dec 2023
  156. Last observed by Susan Gruver on 29 Apr 2023
  157. Last observed by Judy Jones on 23 Jan 2024
  158. Last observed by Steve McInnis on 1 Jan 2023
  159. Last observed by Ed Wrzesniewski on 22 Apr 2024
  160. Last observed by Peter Schuyler on 15 Apr 2024
  161. Last observed by Tristan Phillips on 5 Aug 2023
  162. Last observed by Jason Horn on 22 Apr 2024
  163. Last observed by Jason Horn on 22 Apr 2024
  164. Last observed by Cheryl Duford on 5 Apr 2024
  165. Last observed by Jason Horn on 22 Apr 2024
  166. Last observed by Ed Wrzesniewski on 22 Apr 2024
  167. Last observed by Susan Gruver on 6 Apr 2024
  168. Last observed by Susan Gruver on 30 Jan 2024
  169. Last observed by Jason Horn on 11 Oct 2023
  170. Last observed by Alice Mohrman on 24 Sep 2022
  171. Last observed by S Winiecki on 16 Sep 2023
  172. Last observed by Oliver James on 6 Aug 2023
  173. Last observed by Jason Horn on 15 Jun 2023
  174. Last observed by Kathy Ellwood on 26 Sep 2021
  175. Last observed by Jason Horn on 22 Apr 2024
  176. Last observed by Scott Barnes on 16 Nov 2009
  177. Last observed by Susan Gruver on 25 Apr 2024
  178. Last observed by Jason Horn on 22 Apr 2024
  179. Last observed by Jason Horn on 22 Apr 2024
  180. Last observed by Aaron Haycraft on 1 Oct 2022
  181. Last observed by David Weber on 6 May 2023
  182. Last observed by Nancy Cunningham on 7 Sep 2020
  183. Last observed by Al Guarente on 8 May 2019
  184. Last observed by Richard Payne on 30 Sep 2023
  185. Last observed by Steve Summers on 1 Mar 1993
  186. Last observed by Jan Kool on 3 Mar 2017
  187. Last observed by Susan Gruver on 25 Apr 2024
  188. Last observed by Steve McInnis on 24 Apr 2024
  189. Last observed by Steve McInnis on 24 Apr 2024
  190. Last observed by Susan Gruver on 25 Apr 2024
  191. Last observed by Susan Gruver on 25 Apr 2024
  192. Last observed by Susan Gruver on 14 Apr 2024
  193. Last observed by Gina Sheridan on 13 Jul 2020
  194. Last observed by Steve McInnis on 24 Apr 2024
  195. Last observed by Susan Gruver on 25 Apr 2024
  196. Last observed by Ed Wrzesniewski on 10 May 2023
  197. Last observed by Peter Schuyler on 15 Apr 2024
  198. Last observed by Lynn Scarlett on 6 Sep 2020
  199. Last observed by Delaware Records on 16 Nov 2008
  200. Last observed by Jason Horn on 22 Apr 2024
  201. Last observed by John Manger on 22 Feb 2024
  202. Last observed by Peter Schuyler on 15 Apr 2024
  203. Last observed by John Long on 6 Apr 2024
  204. Last observed by Scott Northey on 31 Mar 2023
  205. Last observed by Scott Northey on 31 Mar 2023
  206. Last observed by Steve McInnis on 24 Apr 2024
  207. Last observed by Jason Horn on 11 Oct 2023
  208. Last observed by Justin Guider on 31 Dec 2023
  209. Last observed by Russell Rogers on 14 Jan 2023
  210. Last observed by Cheryl Duford on 9 Apr 2024
  211. Last observed by Susan Gruver on 25 Apr 2024
  212. Last observed by Steve McInnis on 24 Apr 2024
  213. Last observed by Susan Gruver on 25 Apr 2024
  214. Last observed by Susan Gruver on 25 Apr 2024
  215. Last observed by Susan Gruver on 25 Apr 2024
  216. Last observed by Susan Gruver on 25 Apr 2024
  217. Last observed by Richard Julian on 9 May 2021
  218. Last observed by Keith Maley on 23 May 2015
  219. Last observed by Joy Wang on 18 May 2022
  220. Last observed by Peter Schuyler on 15 Apr 2024
  221. Last observed by Susan Gruver on 11 Jun 2023
  222. Last observed by Susan Gruver on 25 Apr 2024
  223. Last observed by Ed Wrzesniewski on 22 Apr 2024
  224. Last observed by Susan Gruver on 25 Feb 2024
  225. Last observed by Susan Gruver on 8 Jan 2022
  226. Last observed by Steve McInnis on 24 Apr 2024
  227. Last observed by Tom Sheley on 16 Feb 2023
  228. Last observed by Bert Filemyr on 3 Mar 2021
  229. Last observed by Chris Haddon on 27 Mar 2021
  230. Last observed by Susan Gruver on 25 Apr 2024
  231. Last observed by Chris Haddon on 31 Jan 2021
  232. Last observed by Russell Rogers on 14 Jan 2023
  233. Last observed by Susan Gruver on 8 Aug 2021
  234. Last observed by Susan Gruver on 25 Apr 2024
  235. Last observed by Nina Wolf on 2 May 2021
  236. Last observed by Susan Gruver on 25 Apr 2024
  237. Last observed by Delaware Records on 30 Sep 2008
  238. Last observed by Susan Gruver on 23 Mar 2022
  239. Last observed by Lynn Jackson on 29 Mar 2023
  240. Last observed by Ed Wrzesniewski on 22 Apr 2024
  241. Last observed by Cheryl Duford on 5 Apr 2024
  242. Last observed by Susan Gruver on 25 Apr 2024
  243. Last observed by Steve Collins on 31 Dec 2006
  244. Last observed by Shannon Kitchen on 27 Jun 2023
  245. Last observed by Keith Maley on 13 Nov 2016
  246. Last observed by John Long on 22 Jun 2017
  247. Last observed by Jason Horn on 22 Apr 2024
  248. Last observed by Steve McInnis on 24 Apr 2024
  249. Last observed by Jason Horn on 11 Oct 2023
  250. Last observed by BRIAN MOYER on 19 Apr 2024
  251. Last observed by Jason Horn on 22 Apr 2024
  252. Last observed by Dan Lanzo on 12 Jul 2023
  253. Last observed by Scott Barnes on 8 Nov 2010
  254. Last observed by Oliver James on 6 Aug 2023
  255. Last observed by Susan Gruver on 23 Feb 2024
  256. Last observed by BRIAN MOYER on 19 Apr 2024
  257. Last observed by Jason Horn on 11 May 2023
  258. Last observed by Steve McInnis on 24 Apr 2024
  259. Last observed by Steve McInnis on 24 Apr 2024
  260. Last observed by Byron Swift on 27 Mar 2022
  261. Last observed by Steve McInnis on 24 Apr 2024
  262. Last observed by Linda Houghton on 4 Mar 2024
  263. Last observed by Susan Gruver on 25 Apr 2024
  264. Last observed by Susan Gruver on 12 May 2022
  265. Last observed by Jason Horn on 22 Apr 2024
  266. Last observed by David Weber on 8 May 2022
  267. Last observed by Susan Gruver on 8 May 2018
  268. Last observed by Cheryl Duford on 9 Apr 2024
  269. Last observed by Susan Gruver on 25 Apr 2024
  270. Last observed by Alice Mohrman on 24 Sep 2022
  271. Last observed by Nancy Cunningham on 9 Nov 2023
  272. Last observed by Angelo Angelis on 9 May 2021
  273. Last observed by David Hayes on 19 May 2018
  274. Last observed by Jason Horn on 22 Apr 2024
  275. Last observed by Steve Svedeman on 30 Apr 2021
  276. Last observed by Benjamin Filreis on 6 Oct 2023
  277. Last observed by Jason Horn on 11 Oct 2023
  278. Last observed by Nancy Cunningham on 1 Oct 2023
  279. Last observed by Susan Gruver on 21 May 2023
  280. Last observed by David Weber on 8 May 2022
  281. Last observed by Keith Maley on 14 May 2016
  282. Last observed by Jason Horn on 22 Apr 2024
  283. Last observed by Sean O'Connor on 30 Apr 2022
  284. Last observed by Nancy Cunningham on 26 May 2023
  285. Last observed by Jason Horn on 11 Oct 2023
  286. Last observed by Susan Gruver on 6 Apr 2024
  287. Last observed by Susan Gruver on 25 Apr 2024
  288. Last observed by Susan Gruver on 25 Apr 2024
  289. Last observed by Jason Horn on 22 Apr 2024
  290. Last observed by Susan Gruver on 25 Apr 2024
  291. Last observed by David Weber on 8 May 2022
  292. Last observed by Jen Ottinger on 30 Aug 2019
  293. Last observed by Anne Tucker on 10 May 2021
  294. Last observed by Jason Horn on 15 Jun 2023
  295. Last observed by Jason Horn on 11 May 2023
  296. Last observed by Susan Gruver on 25 Apr 2024
  297. Last observed by Wayne Whitmore on 11 May 2021
  298. Last observed by Steve McInnis on 24 Apr 2024
  299. Last observed by S Winiecki on 16 Sep 2023
  300. Last observed by Chris Haddon on 1 Jul 2020

Exotic: Escapee (1)

  1. Last observed by Ryan Dziedzic on 17 Aug 2016

Hybrids (2)

  1. Snow x Ross's Goose (hybrid) Anser caerulescens x rossii
    Last observed by Tom Johnson on 5 Mar 2021
  2. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    Last observed by Joshua Emm on 18 Sep 2016

Additional Taxa (39)

  1. swan sp. Cygnus sp.
    Last observed by Holly Lemieux on 11 Mar 2021
  2. Mallard/American Black Duck Anas platyrhynchos/rubripes
    Last observed by Mark Greenberry on 5 Jul 2020
  3. teal sp. Anatidae sp. (teal sp.)
    Last observed by Tim Schreckengost on 4 Sep 2013
  4. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by Kira Howell on 25 Mar 2015
  5. Surf/Black Scoter Melanitta perspicillata/americana
    Last observed by Elton Morel on 16 Nov 2012
  6. scoter sp. Melanitta sp.
    Last observed by Theodora Burke on 18 Dec 2017
  7. Common/Red-breasted Merganser Mergus merganser/serrator
    Last observed by Theodora Burke on 9 Apr 2017
  8. duck sp. Anatidae (duck sp.)
    Last observed by Elizabeth Porter on 25 Mar 2024
  9. King/Clapper Rail Rallus elegans/crepitans
    Last observed by Jason Horn on 20 Apr 2023
  10. large rail sp. Rallus sp. (large Rallus sp.)
    Last observed by Cynthia Ehlinger on 24 Jun 2020
  11. moorhen/coot/gallinule sp. Gallinula/Fulica/Porphyrio sp.
    Last observed by Jason Horn on 22 Apr 2024
  12. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    Last observed by Tom Ostrand on 26 Oct 2022
  13. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    Last observed by Susan Gruver on 16 Feb 2023
  14. peep sp. Calidris sp. (peep sp.)
    Last observed by Steve Guris on 3 Jun 2023
  15. shorebird sp. Charadriiformes sp.
    Last observed by Richard Julian on 13 Jan 2024
  16. gull sp. Larinae sp.
    Last observed by Scott Northey on 31 Mar 2023
  17. Forster's/Common Tern Sterna forsteri/hirundo
    Last observed by Olivia Weeks on 4 May 2023
  18. Sterna sp. Sterna sp.
    Last observed by Scott Northey on 31 Mar 2023
  19. tern sp. Sterninae sp.
    Last observed by Melissa Ludwig on 19 May 2023
  20. Great/Double-crested Cormorant Phalacrocorax carbo/Nannopterum auritum
    Last observed by Marley Hatfield on 7 May 2023
  21. white egret sp. Egretta/Bubulcus/Ardea sp.
    Last observed by Laurel Bishow on 16 Oct 2021
  22. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by Olivia Weeks on 4 May 2023
  23. Accipiter sp. Accipiter sp.
    Last observed by Roberta Allen on 11 Jan 2016
  24. Buteo sp. Buteo sp.
    Last observed by Bart Frazier on 8 Jul 2020
  25. hawk sp. Accipitridae sp. (hawk sp.)
    Last observed by Mark Greenberry on 5 Jul 2020
  26. woodpecker sp. Picidae sp.
    Last observed by Susan Gruver on 29 Jun 2021
  27. falcon sp. Falco sp.
    Last observed by Theodora Burke on 2 Sep 2016
  28. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    Last observed by Susan Gruver on 28 May 2015
  29. Empidonax sp. Empidonax sp.
    Last observed by Nic Shayko on 24 Aug 2020
  30. new world flycatcher sp. Tyrannidae sp.
    Last observed by David Baker on 4 Sep 2014
  31. crow sp. Corvus sp. (crow sp.)
    Last observed by Lynn Jackson on 20 Feb 2024
  32. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    Last observed by Susan Gruver on 25 Mar 2023
  33. swallow sp. Hirundinidae sp.
    Last observed by Rachel Barham on 9 Sep 2022
  34. Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacuta
    Last observed by Susan Gruver on 24 May 2015
  35. new world sparrow sp. Passerellidae sp.
    Last observed by Justin Guider on 19 Feb 2022
  36. blackbird sp. Icteridae sp.
    Last observed by Helen Pastis on 8 Jul 2021
  37. new world warbler sp. Parulidae sp.
    Last observed by Aaron Haycraft on 1 Oct 2022
  38. passerine sp. Passeriformes sp.
    Last observed by Joy Wang on 18 May 2022
  39. bird sp. Aves sp.
    Last observed by Sally Fintel on 12 Feb 2021