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Illustrated Checklist

 Powered by Macaulay Library and eBird
Updated ~1 day ago
357 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (357)

  1. Last observed by Sally Avery on 25 Mar 2024
  2. Last observed by EM Ganin on 23 Dec 2012
  3. Last observed by Mark Post on 27 Mar 2011
  4. Last observed by Sally Avery on 23 Apr 2024
  5. Last observed by Adam Burstein on 4 Feb 2023
  6. Last observed by Will Sweet on 19 Jan 2019
  7. Last observed by Emily Ross on 23 Apr 2024
  8. Last observed by Sally Avery on 23 Apr 2024
  9. Last observed by Erik Nielsen on 14 Jan 2012
  10. Last observed by Ben Peters on 23 Apr 2024
  11. Last observed by Laura Markley on 22 Apr 2024
  12. Last observed by Erik Nielsen on 30 Mar 2024
  13. Last observed by EM Ganin on 14 Apr 2024
  14. Last observed by John Baur on 20 Feb 2024
  15. Last observed by Salvation Burnette on 14 Apr 2024
  16. Last observed by Emily Ross on 23 Apr 2024
  17. Last observed by Emily Ross on 23 Apr 2024
  18. Last observed by Zachary Johnston on 29 Mar 2024
  19. Last observed by Rob Scott on 23 Apr 2024
  20. Last observed by Dan Olsen on 19 Mar 2023
  21. Last observed by Jonathan Mott on 3 Mar 2023
  22. Last observed by Thomas Nelsen on 23 Apr 2024
  23. Last observed by Ruth Green on 5 Mar 2023
  24. Last observed by Vincent Zollo on 14 Apr 2024
  25. Last observed by EM Ganin on 3 Apr 2024
  26. Last observed by Tim E. on 26 Mar 2023
  27. Last observed by Gary Hantsbarger on 20 Apr 2024
  28. Last observed by Vincent Zollo on 14 Apr 2024
  29. Last observed by Sally Avery on 23 Apr 2024
  30. Last observed by Sally Avery on 23 Apr 2024
  31. Last observed by Letitia Lussier on 21 Apr 2024
  32. Last observed by Samuel Harris on 20 Apr 2024
  33. Last observed by Cristina Hartshorn on 22 Apr 2024
  34. Last observed by Vincent Zollo on 14 Apr 2024
  35. Last observed by Liam Waters on 8 Dec 2023
  36. Last observed by Erik Nielsen on 23 Apr 2024
  37. Last observed by EM Ganin on 22 Apr 2024
  38. Last observed by Emily Ross on 23 Apr 2024
  39. Last observed by Jason Forbes on 6 Apr 2024
  40. Last observed by Harmony W on 8 Aug 2023
  41. Last observed by Deborah Radovsky on 23 Apr 2024
  42. Last observed by Dennis Peacock on 9 Jan 2018
  43. Last observed by M. Pierre-Louis on 27 Mar 2024
  44. Last observed by Roberta Hodson on 17 Apr 2024
  45. Last observed by Luis Agosto on 19 Apr 2024
  46. Last observed by Emily Ross on 16 Apr 2024
  47. Last observed by Steven Sweeney on 2 Nov 2021
  48. Last observed by Gary Hantsbarger on 23 Apr 2024
  49. Last observed by Bird Observer Data on 4 Jun 1995
  50. Last observed by Elizabeth Packer on 23 Apr 2024
  51. Last observed by MELISSA SOVAY on 28 Oct 2023
  52. Last observed by Deborah Radovsky on 27 Jul 2023
  53. Last observed by Reade Everett on 2 Oct 2023
  54. Last observed by Bird Observer Data on 27 Aug 2002
  55. Last observed by Vincent Zollo on 6 Aug 2023
  56. Last observed by Kerem Ali Boyla on 4 Oct 2023
  57. Last observed by M. Pierre-Louis on 3 Oct 2023
  58. Last observed by MARC Data on 10 Dec 1979
  59. Last observed by Matthew Garvey on 3 Jan 2022
  60. Last observed by Rick Heil on 4 May 1976
  61. Last observed by Joanne O'Brien on 12 Oct 2023
  62. Last observed by Emily Ross on 23 Apr 2024
  63. Last observed by Correne George on 20 Oct 2023
  64. Last observed by Audy Peoples on 25 Oct 2022
  65. Last observed by Jason Forbes on 6 Apr 2024
  66. Last observed by Harmony W on 4 Aug 2021
  67. Last observed by Arthur C. Bent Data on 26 May 1906
  69. Last observed by Will Sweet on 15 Apr 2024
  70. Last observed by Jo-Anna Ghadban on 29 Nov 2007
  71. Last observed by Gary Hantsbarger on 22 Apr 2024
  72. Last observed by Vincent Zollo on 15 Apr 2024
  73. Last observed by Marcia Dunham on 1 Oct 2023
  74. Last observed by Michael Goldman on 23 Apr 2024
  75. Last observed by Dan O'Brien on 23 Nov 2023
  76. Last observed by Laura Markley on 22 Apr 2024
  77. Last observed by Marshall Iliff on 15 Sep 2020
  78. Last observed by Linda Eyster on 19 Oct 2023
  79. Last observed by John Young on 27 Aug 2020
  80. Last observed by Kathleen Rawdon on 10 Aug 2022
  81. Last observed by Vincent Zollo on 7 Oct 2023
  82. Last observed by Samuel Harris on 10 Sep 2023
  83. Last observed by Matt Beverly on 23 Apr 2024
  84. Last observed by Correne George on 14 Apr 2024
  85. Last observed by Erik Nielsen on 8 Aug 2021
  86. Last observed by jane carper on 6 May 2023
  87. Last observed by Nickilas Paulson on 5 May 2023
  88. Last observed by Emily Ross on 9 Oct 2023
  89. Last observed by M. Pierre-Louis on 23 Apr 2024
  90. Last observed by Donna Sullivan on 19 Apr 2024
  91. Last observed by Laura Markley on 22 Apr 2024
  92. Last observed by Kim Moody on 23 Apr 2024
  93. Last observed by Samuel Harris on 3 Mar 2024
  94. Last observed by Nathaniel Nye on 25 Jul 2022
  95. Last observed by tom aversa on 10 Sep 1991
  96. Last observed by Christopher Rohrer on 27 Aug 2023
  97. Last observed by Glenn d'Entremont on 18 Sep 2021
  98. Last observed by Dan O'Brien on 17 Feb 2024
  99. Last observed by Vincent Zollo on 8 Mar 2024
  100. Last observed by Erik Nielsen on 3 Apr 2024
  101. Last observed by John Young on 19 Sep 2023
  102. Last observed by Steve Goodbred on 9 Aug 1990
  103. Last observed by David Bates on 24 Sep 2023
  104. Last observed by Dan O'Brien on 1 Oct 2023
  105. Last observed by John Young on 1 Nov 2023
  106. Last observed by Linda Eyster on 11 Sep 2023
  107. Last observed by Emily Ross on 2 Nov 2023
  108. Last observed by Mike Perrin on 2 Oct 2022
  109. Last observed by Marshall Iliff on 27 Oct 2021
  110. Last observed by Vincent Zollo on 6 Apr 2024
  111. Last observed by Erik Nielsen on 3 Apr 2024
  112. Last observed by Dan O'Brien on 7 Jan 2024
  113. Last observed by Matt Blaze on 14 Mar 2023
  114. Last observed by Ryan Schain on 7 Mar 2023
  115. Last observed by Marshall Iliff on 25 Oct 2021
  116. Last observed by Vincent Zollo on 3 Dec 2023
  117. Last observed by Bird Observer Data on 19 Sep 1996
  118. Last observed by Mike Perrin on 4 Apr 2024
  119. Last observed by David Bates on 6 Nov 2022
  120. Last observed by Mike Perrin on 4 Apr 2024
  121. Last observed by Matthew Garvey on 24 Nov 2019
  122. Last observed by Liam Waters on 16 Apr 2018
  123. Last observed by Liam Waters on 16 Apr 2018
  124. Last observed by Kim Moody on 23 Apr 2024
  125. Last observed by Emily Ross on 23 Apr 2024
  126. Last observed by Emily Ross on 23 Apr 2024
  127. Last observed by John Baur on 11 Jan 2023
  128. Last observed by Anonymous eBirder on 7 Apr 2024
  129. Last observed by Mike Perrin on 8 Mar 2024
  130. Last observed by Kathleen Rawdon on 4 Oct 2020
  131. Last observed by Will Sweet on 28 Aug 2011
  132. Last observed by Christopher Coverdill on 23 Aug 2023
  133. Last observed by Matt Beverly on 6 Apr 2024
  134. Last observed by John Young on 24 Aug 2021
  135. Last observed by Robert McKetchnie on 28 Oct 2023
  136. Last observed by Marshall Iliff on 13 May 2022
  137. Last observed by Erik Nielsen on 28 Oct 2023
  138. Last observed by Mike Perrin on 17 Aug 2022
  139. Last observed by Bird Observer Data on 28 Aug 2011
  140. Last observed by Alan Trautmann on 17 Aug 2017
  141. Last observed by Correne George on 23 Apr 2024
  142. Last observed by Jeffrey Offermann on 23 Apr 2024
  143. Last observed by Dan O'Brien on 27 Aug 2023
  144. Last observed by Vincent Zollo on 12 Oct 2019
  145. Last observed by Dan Burton on 11 Oct 2019
  146. Last observed by Vincent Zollo on 1 Nov 2020
  147. Last observed by Francis Bullett on 26 Aug 2023
  148. Last observed by Dan Burton on 30 Jul 2017
  149. Last observed by Evan Farese on 30 Jul 2023
  150. Last observed by Jeremiah Trimble on 22 Aug 2021
  151. Last observed by Vincent Zollo on 15 Apr 2024
  152. Last observed by Russell Titus on 19 Jun 2001
  153. Last observed by Samuel Harris on 21 Apr 2024
  154. Last observed by Emily Ross on 23 Apr 2024
  155. Last observed by Matthew Dearman on 31 May 2013
  156. Last observed by Gary Hantsbarger on 29 Oct 2017
  157. Last observed by Mark Forney on 22 Apr 2024
  158. Last observed by Josh Bock on 30 May 2023
  159. Last observed by Vincent Zollo on 10 Sep 2023
  160. Last observed by Michealle Larkins on 23 Apr 2024
  161. Last observed by Josh Bock on 24 Sep 2023
  162. Last observed by Linda Eyster on 2 Jul 2012
  163. Last observed by Jeffrey Offermann on 23 Apr 2024
  164. Last observed by Marshall Iliff on 23 Oct 2023
  165. Last observed by Zeb Bolduc on 24 May 2023
  166. Last observed by Jeffrey Offermann on 23 Apr 2024
  167. Last observed by EM Ganin on 23 Apr 2024
  168. Last observed by John Baur on 5 Aug 2022
  169. Last observed by Jeffrey Offermann on 23 Apr 2024
  170. Last observed by Vincent Zollo on 11 Jul 2010
  171. Last observed by Scott Dresser on 14 Apr 2024
  172. Last observed by Irene George on 23 Apr 2024
  173. Last observed by Emily Ross on 23 Apr 2024
  174. Last observed by Ian Davies on 4 May 2014
  175. Last observed by Dan Burton on 19 Oct 2017
  176. Last observed by Erik Nielsen on 29 May 2011
  177. Last observed by M. Pierre-Louis on 21 Apr 2024
  178. Last observed by John Baur on 22 Apr 2024
  179. Last observed by Neil Calabro on 23 Apr 2024
  180. Last observed by Liam Waters on 14 Nov 2022
  181. Last observed by nancy crosby on 23 Apr 2024
  182. Last observed by Josh Bock on 23 Apr 2024
  183. Last observed by Deborah Radovsky on 23 Apr 2024
  184. Last observed by Kim Moody on 23 Apr 2024
  185. Last observed by Dan Burton on 28 Jan 2018
  186. Last observed by Bird Observer Data on 19 Aug 2002
  187. Last observed by Marshall Iliff on 14 Apr 2024
  188. Last observed by Josh Bock on 20 Jan 2022
  189. Last observed by Owen Cunningham on 22 Apr 2024
  190. Last observed by Riley Sheldon on 23 Apr 2024
  192. Last observed by Emily Ross on 6 Mar 2024
  193. Last observed by Hannah Filiberti on 9 Dec 2023
  194. Last observed by Jeffrey Offermann on 23 Apr 2024
  195. Last observed by Anonymous eBirder on 19 Apr 2024
  196. Last observed by Mike Perrin on 17 Sep 2023
  197. Last observed by Elizabeth Packer on 23 Apr 2024
  198. Last observed by Bird Observer Data on 19 Mar 1996
  199. Last observed by Emily Ross on 23 Apr 2024
  200. Last observed by Deborah Radovsky on 23 Apr 2024
  201. Last observed by Deborah Radovsky on 23 Apr 2024
  202. Last observed by Emily Ross on 23 Apr 2024
  203. Last observed by Zaiga Alksnitis on 19 Apr 2024
  204. Last observed by David Todd on 21 Apr 2024
  206. Last observed by Katrina Burkhardt on 19 Apr 2024
  207. Last observed by Dan Burton on 20 May 2023
  208. Last observed by Jasper Weinberg on 7 Oct 2023
  209. Last observed by Dan O'Brien on 10 Sep 2023
  210. Last observed by Liam Waters on 15 Jul 2023
  211. Last observed by Marshall Iliff on 10 Sep 2023
  212. Last observed by James Meigs on 24 Aug 2023
  213. Last observed by Will Sweet on 26 Sep 2023
  214. Last observed by Bob Stymeist on 24 Dec 1988
  215. Last observed by Deborah Radovsky on 23 Apr 2024
  216. Last observed by Evan Lipton on 24 Nov 2014
  217. Last observed by Jim Casamento on 27 Sep 2023
  218. Last observed by Anna Xu on 12 Sep 2023
  219. Last observed by Vincent Zollo on 5 Jun 2017
  220. Last observed by Vincent Zollo on 9 Oct 2023
  221. Last observed by John Baur on 5 Jan 2024
  222. Last observed by Josh Bock on 21 Sep 2023
  223. Last observed by Nathan Vice on 21 Apr 2024
  224. Last observed by Ernie LeBlanc on 13 Oct 2023
  225. Last observed by Marshall Iliff on 28 Sep 2023
  226. Last observed by Alaina Millard on 23 Oct 2023
  227. Last observed by Josh Bock on 9 Dec 2023
  228. Last observed by Elizabeth Packer on 23 Apr 2024
  229. Last observed by EM Ganin on 23 Apr 2024
  230. Last observed by Deborah Radovsky on 23 Apr 2024
  231. Last observed by Emily Ross on 23 Apr 2024
  232. Last observed by Emily Ross on 23 Apr 2024
  233. Last observed by Myer Bornstein on 11 Nov 2010
  234. Last observed by Michael Goldman on 23 Apr 2024
  235. Last observed by Erik Nielsen on 27 Feb 2024
  236. Last observed by Jeffrey Offermann on 13 Aug 2023
  237. Last observed by Tim E. on 23 Apr 2024
  238. Last observed by Erik Nielsen on 23 Apr 2024
  239. Last observed by Rob Scott on 23 Apr 2024
  240. Last observed by Emily Ross on 23 Apr 2024
  241. Last observed by Vincent Zollo on 19 Aug 2023
  242. Last observed by Emily Ross on 23 Apr 2024
  243. Last observed by Dan O'Brien on 21 Apr 2024
  244. Last observed by Elizabeth Packer on 23 Apr 2024
  245. Last observed by Josh Bock on 21 Apr 2024
  246. Last observed by Dan O'Brien on 23 Apr 2024
  247. Last observed by Michael Goldman on 23 Apr 2024
  248. Last observed by EM Ganin on 23 Apr 2024
  249. Last observed by Erik Nielsen on 23 Apr 2024
  250. Last observed by Vincent Zollo on 14 Nov 2010
  251. Last observed by Kate Martin on 22 Apr 2024
  252. Last observed by Michael Goldman on 23 Apr 2024
  253. Last observed by Sally Avery on 23 Apr 2024
  254. Last observed by Ben Peters on 22 Apr 2024
  255. Last observed by M. Pierre-Louis on 22 Apr 2024
  256. Last observed by Sally Avery on 23 Apr 2024
  257. Last observed by Dan O'Brien on 23 Apr 2024
  258. Last observed by Beck Foley on 22 Sep 2023
  259. Last observed by Will Sweet on 1 Jun 2023
  260. Last observed by Will Krohn on 7 Oct 2023
  261. Last observed by Ben Peters on 23 Apr 2024
  262. Last observed by Marie Billiel on 23 Sep 2023
  263. Last observed by Michael Goldman on 23 Apr 2024
  264. Last observed by Gary Hantsbarger on 17 Dec 2022
  265. Last observed by Robert Mears on 21 Apr 2024
  266. Last observed by Gary Hantsbarger on 23 Apr 2024
  267. Last observed by Mark Forney on 22 Apr 2024
  268. Last observed by Mike Perrin on 19 May 2023
  269. Last observed by Stuart Watson on 20 Dec 2012
  270. Last observed by Michael Goldman on 23 Apr 2024
  271. Last observed by Erik Nielsen on 23 Apr 2024
  272. Last observed by Luke Olsen on 16 Jan 2023
  273. Last observed by ryan doherty on 18 Feb 2021
  274. Last observed by Dan Burton on 30 Mar 2024
  275. Last observed by Dan Burton on 18 Oct 2021
  276. Last observed by Dan O'Brien on 21 Apr 2024
  277. Last observed by Emily Ross on 23 Apr 2024
  278. Last observed by Emily Ross on 16 Nov 2023
  279. Last observed by James Perrin on 7 Mar 2024
  280. Last observed by Peter Oehlkers on 28 Oct 2023
  281. Last observed by Michael Goldman on 23 Apr 2024
  282. Last observed by Will Sweet on 26 Nov 2023
  283. Last observed by M. Pierre-Louis on 23 Apr 2024
  284. Last observed by John Young on 11 Oct 2023
  285. Last observed by MARC Data on 6 Oct 1999
  286. Last observed by Riley Sheldon on 14 Apr 2024
  287. Last observed by Vincent Zollo on 13 Apr 2024
  288. Last observed by Thomas Nelsen on 23 Apr 2024
  289. Last observed by nancy crosby on 14 Nov 2023
  290. Last observed by Jeffrey Offermann on 23 Apr 2024
  291. Last observed by Paul McPartland on 26 Feb 2024
  292. Last observed by Kim Hewitt on 29 Oct 2023
  293. Last observed by Matthew Garvey on 24 Oct 2015
  294. Last observed by Dan O'Brien on 5 Nov 2023
  295. Last observed by John Baur on 21 Oct 2023
  296. Last observed by Elizabeth Packer on 23 Apr 2024
  297. Last observed by Peter Vickery on 15 Jan 1983
  298. Last observed by Kim Moody on 23 Apr 2024
  299. Last observed by Lane Theander on 11 Nov 2023
  300. Last observed by Correne George on 23 Apr 2024
  301. Last observed by Dan O'Brien on 23 Apr 2024
  302. Last observed by nancy crosby on 8 Oct 2022
  303. Last observed by Marshall Iliff on 8 Dec 2023
  304. Last observed by Jules S on 28 Oct 2023
  305. Last observed by Zaiga Alksnitis on 16 Apr 2024
  306. Last observed by Josh Bock on 17 Aug 2023
  307. Last observed by Steven Magnell on 3 Mar 2021
  308. Last observed by Bill Paulson on 17 Mar 2024
  309. Last observed by Emily Ross on 23 Apr 2024
  310. Last observed by Thomas Nelsen on 23 Apr 2024
  311. Last observed by nancy crosby on 23 Apr 2024
  312. Last observed by Emily Ross on 23 Apr 2024
  313. Last observed by Vincent Zollo on 4 Oct 2023
  314. Last observed by Vincent Zollo on 14 Sep 2023
  315. Last observed by Reade Everett on 22 Apr 2024
  316. Last observed by Erik Nielsen on 23 Apr 2024
  317. Last observed by Mike Perrin on 2 Sep 2023
  318. Last observed by Chris Floyd on 21 Sep 2023
  319. Last observed by Liam Waters on 12 Oct 2023
  320. Last observed by David Bates on 1 Jun 2019
  321. Last observed by nancy crosby on 11 Oct 2023
  322. Last observed by Jeffrey Offermann on 17 Mar 2024
  323. Last observed by Josh Bock on 16 Dec 2023
  324. Last observed by Will Sweet on 26 Sep 2023
  325. Last observed by Vincent Zollo on 27 May 2023
  326. Last observed by John Young on 22 May 2018
  327. Last observed by Dan O'Brien on 6 Jan 2024
  328. Last observed by Mike Perrin on 22 Sep 2023
  329. Last observed by Jeffrey Offermann on 13 Oct 2023
  330. Last observed by Vincent Zollo on 11 Oct 2023
  331. Last observed by Ken Winkler on 18 May 1982
  332. Last observed by Nick Gershfeld on 28 Oct 2023
  333. Last observed by Katherine Zhang on 25 Nov 2023
  334. Last observed by Vincent Zollo on 5 Oct 2023
  335. Last observed by Marshall Iliff on 20 Sep 2023
  336. Last observed by Will Sweet on 3 Oct 2023
  337. Last observed by Will Sweet on 23 Sep 2023
  338. Last observed by Will Sweet on 21 Oct 2023
  339. Last observed by Lindsey F on 20 Oct 2023
  340. Last observed by Ben Peters on 23 Apr 2024
  341. Last observed by Dan O'Brien on 23 Apr 2024
  342. Last observed by Ben Peters on 23 Apr 2024
  343. Last observed by Robert Mussey on 11 Feb 2024
  344. Last observed by Josh Bock on 6 Oct 2023
  345. Last observed by tom aversa on 18 Nov 1994
  346. Last observed by Dan Burton on 12 Oct 2023
  347. Last observed by Mike Perrin on 5 Sep 2023
  348. Last observed by Julie Zar on 12 Dec 2023
  349. Last observed by Marshall Iliff on 20 May 2022
  350. Last observed by Jim Casamento on 4 Oct 2023
  351. Last observed by Erik Nielsen on 15 Dec 2017
  352. Last observed by Michael Goldman on 23 Apr 2024
  353. Last observed by M. Pierre-Louis on 23 Apr 2024
  354. Last observed by Sally Avery on 15 Sep 2022
  355. Last observed by Sean Rigney on 13 Apr 2024
  356. Last observed by Erik Nielsen on 20 May 2021
  357. Last observed by Cheryl McCue on 13 Feb 2024

Exotic: Escapee (12)

  1. Last observed by Lily Morello on 31 Oct 2023
  2. Last observed by Marcia Dunham on 7 Dec 2018
  3. Last observed by Kate Martin on 13 Dec 2023
  4. Last observed by Paul Peterson on 25 Nov 2013
  5. Last observed by Larry Jaffe on 11 May 2022
  6. Last observed by Anonymous eBirder on 28 May 2021
  7. Last observed by Gary Hantsbarger on 16 Jul 2022
  8. Last observed by Kevin Crispell on 18 Jun 2014
  9. Last observed by Erin Waite on 20 Jul 2017
  10. Last observed by Will Sweet on 8 Dec 2022
  11. Last observed by Jeremiah Trimble on 24 Jan 2021
  12. Last observed by Anonymous eBirder on 13 Jun 2016

Hybrids (15)

  1. Graylag x Swan Goose (hybrid) Anser anser x cygnoides
    Last observed by Dan O'Brien on 8 Oct 2020
  2. Graylag x Canada Goose (hybrid) Anser anser x Branta canadensis
    Last observed by Lily Morello on 20 Nov 2022
  3. Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis
    Last observed by Elissa Landre on 14 Apr 2024
  4. Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchos
    Last observed by EM Ganin on 26 Nov 2022
  5. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    Last observed by Cristina Hartshorn on 22 Apr 2024
  6. Tufted Duck x Lesser Scaup (hybrid) Aythya fuligula x affinis
    Last observed by Will Sweet on 4 Apr 2020
  7. Tufted Duck x scaup sp. (hybrid) Aythya fuligula x marila/affinis
    Last observed by Marshall Iliff on 4 Apr 2020
  8. Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandica
    Last observed by Mary McMahon on 21 Nov 2018
  9. Black-headed x Ring-billed Gull (hybrid) Chroicocephalus ridibundus x Larus delawarensis
    Last observed by David Bernstein on 31 Jan 2013
  10. Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinus
    Last observed by Will Sweet on 3 Dec 2018
  11. Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreus
    Last observed by Liam Waters on 16 Jan 2022
  12. Herring x Lesser Black-backed Gull (hybrid) Larus argentatus x fuscus
    Last observed by Will Sweet on 16 Dec 2018
  13. Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanoptera
    Last observed by Vincent Zollo on 29 Aug 2022
  14. Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)
    Last observed by Vincent Zollo on 3 Sep 2023
  15. Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)
    Last observed by Evan Lipton on 27 May 2016

Additional Taxa (98)

  1. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    Last observed by Deborah Radovsky on 4 Mar 2024
  2. Cackling/Canada Goose Branta hutchinsii/canadensis
    Last observed by Conor Gearin on 3 Apr 2021
  3. goose sp. Anatidae (goose sp.)
    Last observed by Melisande Pope on 18 Mar 2024
  4. Mallard/American Black Duck Anas platyrhynchos/rubripes
    Last observed by Dan O'Brien on 20 Apr 2024
  5. teal sp. Anatidae sp. (teal sp.)
    Last observed by Josh Bock on 10 Sep 2022
  6. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    Last observed by Josh Bock on 7 Apr 2024
  7. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by Ken Winkler on 11 Feb 2024
  8. Aythya sp. Aythya sp.
    Last observed by Dan O'Brien on 19 Feb 2024
  9. Surf/Black Scoter Melanitta perspicillata/americana
    Last observed by Vincent Zollo on 14 Apr 2024
  10. scoter sp. Melanitta sp.
    Last observed by Vincent Zollo on 13 Apr 2024
  11. Common/Barrow's Goldeneye Bucephala clangula/islandica
    Last observed by Erik Nielsen on 15 Nov 2020
  12. Common/Red-breasted Merganser Mergus merganser/serrator
    Last observed by Laura Cassellius on 18 Mar 2024
  13. duck sp. Anatidae (duck sp.)
    Last observed by Tanya Kutasz on 21 Apr 2024
  14. waterfowl sp. Anatidae sp.
    Last observed by Richard Littauer on 29 Nov 2019
  15. Horned/Eared Grebe Podiceps auritus/nigricollis
    Last observed by Dan Burton on 30 Oct 2021
  16. grebe sp. Podicipedidae sp.
    Last observed by Samuel Harris on 28 Jan 2024
  17. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    Last observed by Josh Bock on 28 May 2023
  18. Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandri
    Last observed by CT Murphy on 22 Jul 2021
  19. Selasphorus sp. Selasphorus sp.
    Last observed by Bird Observer Data on 15 Dec 1994
  20. hummingbird sp. Trochilidae sp.
    Last observed by Matthew Garvey on 6 Oct 2022
  21. Rallus sp. Rallus sp.
    Last observed by Karl Sineath on 29 Jun 2023
  22. rail/crake sp. Rallidae sp. (rail/crake sp.)
    Last observed by Josh Bock on 7 Apr 2024
  23. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    Last observed by on 24 Sep 2023
  24. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    Last observed by Ken Winkler on 10 Sep 2023
  25. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    Last observed by Marcia Dunham on 15 Apr 2024
  26. Western/Semipalmated Sandpiper Calidris mauri/pusilla
    Last observed by Glenn d'Entremont on 13 Aug 2023
  27. peep sp. Calidris sp. (peep sp.)
    Last observed by Linda Eyster on 27 Oct 2023
  28. Calidris sp. Calidris sp.
    Last observed by Jason Forbes on 4 May 2019
  29. shorebird sp. Charadriiformes sp.
    Last observed by Cristina Hartshorn on 22 Apr 2024
  30. Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinus
    Last observed by Marshall Iliff on 27 Oct 2021
  31. jaeger sp. Stercorarius sp. (jaeger sp.)
    Last observed by Vincent Zollo on 2 Oct 2022
  32. Thick-billed/Common Murre Uria lomvia/aalge
    Last observed by Marshall Iliff on 24 Jan 2017
  33. large alcid sp. Alca/Uria sp.
    Last observed by Erik Nielsen on 3 Apr 2024
  34. alcid sp. Alcidae sp.
    Last observed by Vincent Zollo on 13 Jan 2024
  35. Common/Short-billed Gull Larus canus/brachyrhynchus
    Last observed by Will Sweet on 3 Feb 2020
  36. white-winged gull sp. Larus sp. (white-winged gull sp.)
    Last observed by JEFFREY DANGELO on 27 Jan 2023
  37. Larus sp. Larus sp.
    Last observed by Henry Malec-Scott on 20 Apr 2024
  38. gull sp. Larinae sp.
    Last observed by Gary Hantsbarger on 23 Apr 2024
  39. Sterna sp. Sterna sp.
    Last observed by Linda Eyster on 25 Oct 2023
  40. tern sp. Sterninae sp.
    Last observed by Samuel Harris on 7 Oct 2023
  41. loon sp. Gavia sp.
    Last observed by Dan O'Brien on 20 Apr 2024
  42. Cory's/Great Shearwater Calonectris diomedea/Ardenna gravis
    Last observed by Dan Burton on 15 Jul 2020
  43. shearwater sp. Procellariidae sp. (shearwater sp.)
    Last observed by Vincent Zollo on 16 Jul 2023
  44. procellariid sp. Procellariidae sp.
    Last observed by Marshall Iliff on 26 Sep 2015
  45. cormorant sp. Phalacrocoracidae sp.
    Last observed by Dan O'Brien on 30 Mar 2024
  46. Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
    Last observed by Jeffrey Offermann on 21 Aug 2023
  47. Ardea sp. Ardea sp.
    Last observed by Dan Burton on 23 Jun 2017
  48. heron sp. Ardeidae sp.
    Last observed by Samuel Harris on 17 Sep 2023
  49. white egret sp. Egretta/Bubulcus/Ardea sp.
    Last observed by Marshall Iliff on 20 Sep 2018
  50. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    Last observed by Dan Burton on 26 May 2022
  51. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by Gary Hantsbarger on 1 Mar 2024
  52. Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillus
    Last observed by Liam Waters on 7 Oct 2012
  53. Accipiter sp. Accipiter sp.
    Last observed by Vincent Zollo on 7 Apr 2024
  54. Buteo sp. Buteo sp.
    Last observed by Roy Golan on 14 Apr 2024
  55. hawk sp. Accipitridae sp. (hawk sp.)
    Last observed by Josh Bock on 22 Apr 2024
  56. Long-eared/Short-eared Owl Asio otus/flammeus
    Last observed by Dan O'Brien on 25 Feb 2024
  57. Asio sp. Asio sp.
    Last observed by Jeffrey Offermann on 17 Dec 2023
  58. owl sp. Strigiformes sp.
    Last observed by Dan O'Brien on 17 Sep 2023
  59. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    Last observed by Tim E. on 23 Apr 2024
  60. woodpecker sp. Picidae sp.
    Last observed by Letitia Lussier on 21 Apr 2024
  61. large falcon sp. Falco sp. (large falcon sp.)
    Last observed by Vincent Zollo on 3 Nov 2013
  62. small falcon sp. Falco sp. (small falcon sp.)
    Last observed by Josh Bock on 14 Jan 2022
  63. falcon sp. Falco sp.
    Last observed by Ben Peters on 21 Apr 2024
  64. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    Last observed by Josh Bock on 6 Feb 2024
  65. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    Last observed by Josh Bock on 3 Sep 2023
  66. Empidonax sp. Empidonax sp.
    Last observed by Roy Golan on 19 Sep 2023
  67. new world flycatcher sp. Tyrannidae sp.
    Last observed by Matthew Garvey on 27 Aug 2023
  68. Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus
    Last observed by Dan O'Brien on 6 Sep 2023
  69. Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceus
    Last observed by Glenn d'Entremont on 17 Sep 2023
  70. vireo sp. Vireo sp.
    Last observed by Dan O'Brien on 3 Sep 2023
  71. crow sp. Corvus sp. (crow sp.)
    Last observed by Gary Hantsbarger on 23 Apr 2024
  72. crow/raven sp. Corvus sp.
    Last observed by John Baur on 14 Jan 2022
  73. Cliff/Cave Swallow Petrochelidon pyrrhonota/fulva
    Last observed by Karsten Hartel on 19 Oct 2018
  74. swallow sp. Hirundinidae sp.
    Last observed by Mary Lunsford on 12 Apr 2024
  75. Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa
    Last observed by Dan O'Brien on 27 Jan 2024
  76. nuthatch sp. Sitta sp.
    Last observed by margaret williams on 4 May 2019
  77. wren sp. Troglodytidae sp.
    Last observed by John Baur on 21 Apr 2023
  78. Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelli
    Last observed by Will Sweet on 8 Oct 2023
  79. Catharus sp. Catharus sp.
    Last observed by Dan Burton on 19 Sep 2023
  80. thrush sp. Turdidae sp.
    Last observed by Marcia Dunham on 16 May 2021
  81. House/Purple Finch Haemorhous mexicanus/purpureus
    Last observed by Kahrim Wade on 14 Apr 2024
  82. Common/Hoary Redpoll Acanthis flammea/hornemanni
    Last observed by Alan Trautmann on 28 Feb 2021
  83. crossbill sp. Loxia sp.
    Last observed by Josh Bock on 13 Dec 2020
  84. Acanthis/Spinus sp. Acanthis/Spinus sp.
    Last observed by George Nassiopoulos on 21 Jan 2023
  85. finch sp. Fringillidae sp.
    Last observed by Josh Bock on 14 Oct 2023
  86. Spizella sp. Spizella sp.
    Last observed by Dan Burton on 4 Nov 2021
  87. Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
    Last observed by Meghan Glenn on 19 Mar 2024
  88. Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacuta
    Last observed by Dan O'Brien on 5 Nov 2023
  89. Lincoln's/Swamp Sparrow Melospiza lincolnii/georgiana
    Last observed by Will Sweet on 6 Oct 2022
  90. new world sparrow sp. Passerellidae sp.
    Last observed by Gary Hantsbarger on 13 Apr 2024
  91. blackbird sp. Icteridae sp.
    Last observed by Josh Bock on 21 Apr 2024
  92. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    Last observed by Bonnie Tate on 24 May 2023
  93. Leiothlypis sp. Leiothlypis sp.
    Last observed by Sam Darmstadt on 15 Oct 2022
  94. Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
    Last observed by Dan O'Brien on 12 Oct 2023
  95. Setophaga sp. Setophaga sp.
    Last observed by Liam Waters on 15 Oct 2023
  96. new world warbler sp. Parulidae sp.
    Last observed by Deborah Radovsky on 23 Apr 2024
  97. passerine sp. Passeriformes sp.
    Last observed by Samuel Harris on 21 Apr 2024
  98. bird sp. Aves sp.
    Last observed by Samuel Harris on 27 Dec 2023