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Illustrated Checklist

 Powered by Macaulay Library and eBird
Updated ~16 hours ago
407 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (407)

  1. Last observed by jean adamus on 27 Mar 2024
  2. Last observed by Debbie McTigue on 10 Feb 2018
  3. Last observed by John Kuenzli on 6 Apr 2009
  4. Last observed by Philip Henson on 1 Mar 2024
  5. Last observed by Christina Cole on 3 Feb 2022
  6. Last observed by Russ Smiley on 22 Apr 2024
  7. Last observed by George Stephens on 31 Oct 2010
  8. Last observed by william banks on 6 Jan 2024
  9. Last observed by Edward Sadowski on 22 Apr 2024
  10. Last observed by Russ Smiley on 22 Apr 2024
  11. Last observed by Matthew Eisenson on 9 Apr 2014
  12. Last observed by Mark Aronson on 30 Dec 2023
  13. Last observed by Molly Zahn on 22 Apr 2024
  14. Last observed by Jannie Shapiro on 22 Apr 2024
  15. Last observed by Steve Mayo on 28 Dec 1994
  16. Last observed by Eric Anderson on 17 Apr 2024
  17. Last observed by Molly Zahn on 22 Apr 2024
  18. Last observed by Frank Mantlik on 18 May 2023
  19. Last observed by Alan Malina on 21 Apr 2024
  20. Last observed by Edward Sadowski on 22 Apr 2024
  21. Last observed by Russ Smiley on 22 Apr 2024
  22. Last observed by Janet Greenwood on 22 Apr 2024
  23. Last observed by Patrick Clark on 21 Apr 2024
  24. Last observed by Bill Rankin on 2 Mar 2024
  25. Last observed by Rachel Zierzow on 4 Mar 2024
  26. Last observed by Kimberly Jannarone on 22 Apr 2024
  27. Last observed by Craig Heberton on 12 Feb 2024
  28. Last observed by Scott Yanco on 20 Apr 2024
  29. Last observed by Bill Rankin on 15 Apr 2024
  30. Last observed by Bill Rankin on 10 Jan 2023
  31. Last observed by Jay Boll on 17 Mar 2024
  32. Last observed by Paul Smith on 11 Feb 2024
  33. Last observed by Jannie Shapiro on 22 Apr 2024
  34. Last observed by David Mathieu on 21 Apr 2024
  35. Last observed by Holly Bauer on 15 Apr 2024
  36. Last observed by Steve Mayo on 20 Apr 2024
  37. Last observed by Aaron Skarzynski on 21 Apr 2024
  38. Last observed by L&J Meyer on 20 Apr 2024
  39. Last observed by Benjamin Inclima on 15 Mar 2024
  40. Last observed by Joanne Morrissey on 21 Apr 2024
  41. Last observed by william banks on 22 Apr 2024
  42. Last observed by Russ Smiley on 22 Apr 2024
  43. Last observed by jean adamus on 19 Apr 2024
  44. Last observed by Kimberly Jannarone on 22 Apr 2024
  45. Last observed by John McEachern on 10 Mar 2023
  46. Last observed by Charlie Plimpton on 11 Feb 2016
  47. Last observed by Ed Bailey on 21 Apr 2024
  48. Last observed by John Graham on 21 Apr 2024
  49. Last observed by Ed Bailey on 21 Mar 2024
  50. Last observed by Alex Lin-Moore on 3 Feb 2024
  51. Last observed by Frank Mantlik on 2 Apr 2016
  52. Last observed by Russ Smiley on 22 Apr 2024
  53. Last observed by COA Archives on 7 Nov 1982
  54. Last observed by Greg Hanisek on 4 May 2004
  55. Last observed by Turk Duddy on 17 Nov 2007
  56. Last observed by Steve Mayo on 9 Dec 2022
  57. Last observed by Russ Smiley on 22 Apr 2024
  58. Last observed by JoAnn Neddermann on 28 Oct 2023
  59. Last observed by Patrick monahan on 12 Oct 2023
  60. Last observed by John Oshlick on 13 Oct 2023
  61. Last observed by Chris S. Wood on 1 Jun 1997
  62. Last observed by Dean Rupp on 30 Aug 2023
  63. Last observed by Peter Grund on 20 Apr 2024
  64. Last observed by Donna Lorello on 21 Apr 2024
  65. Last observed by Ray Duffy on 1 Jan 2011
  66. Last observed by Sue Palmer on 24 Nov 2019
  67. Last observed by Greg Hanisek on 13 Aug 2022
  68. Last observed by Russ Smiley on 22 Apr 2024
  69. Last observed by Steve Mayo on 21 Apr 2024
  70. Last observed by COA Archives on 19 Oct 1943
  71. Last observed by Michele McDermott on 31 Oct 2023
  72. Last observed by Peter Fang/ Gloria Smith on 5 Oct 2021
  73. Last observed by Valerie Richardson on 31 Mar 2024
  74. Last observed by Greg Hanisek on 17 Jul 2000
  75. Last observed by Jo Fasciolo on 15 Oct 2020
  77. Last observed by Lisa Monachelli on 3 Jan 2024
  78. Last observed by Chris Loscalzo on 5 Sep 2011
  79. Last observed by George Amato on 18 Apr 2023
  80. Last observed by Russ Smiley on 22 Apr 2024
  81. Last observed by Russ Smiley on 22 Apr 2024
  82. Last observed by Chris Loscalzo on 21 Oct 2023
  83. Last observed by Russ Smiley on 22 Apr 2024
  84. Last observed by Nick Bonomo on 2 Oct 2020
  85. Last observed by Greg Hanisek on 13 Apr 2024
  86. Last observed by Russ Smiley on 22 Apr 2024
  87. Last observed by Liam Taylor on 16 Dec 2021
  88. Last observed by Jason Rieger on 30 Apr 2018
  89. Last observed by Paul Myers on 23 Oct 2004
  90. Last observed by Chuck Imbergamo on 20 Apr 2024
  91. Last observed by Michele McDermott on 15 Oct 2023
  92. Last observed by COA Archives on 12 Sep 1889
  93. Last observed by Frank Gallo on 19 Apr 2001
  94. Last observed by Mark Aronson on 5 Nov 2023
  95. Last observed by Frank Mantlik on 11 Sep 2023
  96. Last observed by Chuck Imbergamo on 18 Apr 2024
  97. Last observed by Russ Smiley on 10 Sep 2023
  98. Last observed by Scott Roxbrough on 10 Apr 2024
  99. Last observed by Carol & Gary Lemmon on 19 Apr 2024
  100. Last observed by Monica Nichols on 20 Aug 2023
  101. Last observed by Frank Mantlik on 13 May 2006
  102. Last observed by Mary Walsh on 21 May 2023
  103. Last observed by Stephen Spector on 20 Apr 2024
  104. Last observed by Molly Zahn on 20 Apr 2024
  105. Last observed by John Graham on 21 Apr 2024
  106. Last observed by Janet Greenwood on 22 Apr 2024
  107. Last observed by Noble Proctor on 15 Nov 1969
  108. Last observed by Jannie Shapiro on 22 Apr 2024
  109. Last observed by Thera Bowen on 26 Feb 2024
  110. Last observed by Stephen Marsi on 19 Nov 2023
  111. Last observed by Jack Faller on 16 Sep 2022
  112. Last observed by COA Archives on 11 Aug 1999
  113. Last observed by Richard Fleming on 30 Jul 2022
  114. Last observed by Alan Malina on 10 Nov 2023
  115. Last observed by Karla O'Grady on 23 Jul 2006
  116. Last observed by Bill Rankin on 26 Sep 2023
  117. Last observed by Martha Blume on 21 Apr 2024
  118. Last observed by Alan Malina on 21 Apr 2024
  119. Last observed by David Mathieu on 21 Apr 2024
  120. Last observed by Bill Rankin on 24 Sep 2023
  121. Last observed by Simon Harvey on 5 Aug 2005
  122. Last observed by Stinky Bird on 29 Nov 2023
  123. Last observed by william banks on 20 Apr 2024
  124. Last observed by Jannie Shapiro on 22 Apr 2024
  125. Last observed by Erol Fikrig on 10 Oct 2023
  126. Last observed by Robert Solomon on 27 Oct 2023
  127. Last observed by Monica Nichols on 26 Aug 2023
  128. Last observed by Chris S. Wood on 29 Aug 2018
  129. Last observed by COA Archives on 10 Nov 1968
  130. Last observed by John Marshall on 1 Jan 2014
  131. Last observed by David Mathieu on 20 Mar 2024
  132. Last observed by John Oshlick on 26 Dec 2020
  133. Last observed by Frank Gallo on 12 Feb 2015
  134. Last observed by Sarah Faulkner on 29 Jan 2014
  135. Last observed by Nick Bonomo on 10 Apr 2018
  136. Last observed by jean adamus on 16 Jan 2021
  137. Last observed by carolyn cimino on 8 Sep 2021
  138. Last observed by Nick Bonomo on 3 Sep 2021
  139. Last observed by John Oshlick on 16 Apr 2024
  140. Last observed by Alex Lin-Moore on 17 Dec 2022
  141. Last observed by Matthew Joyce on 19 Apr 2024
  142. Last observed by Jim Link on 16 Nov 2015
  143. Last observed by Gary Hodge on 8 Apr 2021
  144. Last observed by Jamie Meyers on 23 Mar 2016
  145. Last observed by Russ Smiley on 22 Apr 2024
  146. Last observed by Alex Lin-Moore on 22 Apr 2024
  147. Last observed by Jannie Shapiro on 22 Apr 2024
  148. Last observed by Matthew Joyce on 6 Apr 2023
  149. Last observed by Peter Grund on 19 Apr 2024
  150. Last observed by David Kaempfer on 30 Mar 2021
  151. Last observed by Ketki Samel on 3 Apr 2024
  152. Last observed by Russ Smiley on 2 Oct 2023
  153. Last observed by Mark Aronson on 4 Aug 2020
  154. Last observed by Rick Gedney on 11 Aug 2017
  155. Last observed by Alan Blume on 16 Sep 2023
  156. Last observed by Krzysztof Lasocki on 19 Oct 2022
  157. Last observed by Paul Smith on 2 Oct 2023
  158. Last observed by todd peterson on 6 Aug 2023
  159. Last observed by Russ Smiley on 1 Nov 2023
  160. Last observed by Aaron Bourque on 13 May 2022
  161. Last observed by Russ Smiley on 1 Nov 2023
  162. Last observed by Tim Antanaitis on 31 Aug 2023
  163. Last observed by Stephen Spector on 18 Aug 2018
  164. Last observed by Jan Collins on 14 Oct 2023
  165. Last observed by Krzysztof Lasocki on 21 Apr 2024
  166. Last observed by beau schaefer on 30 Oct 2021
  167. Last observed by Russ Smiley on 22 Apr 2024
  168. Last observed by Nick Bonomo on 3 Aug 2021
  169. Last observed by COA Archives on 10 Aug 1976
  170. Last observed by Nick Bonomo on 28 Aug 2011
  171. Last observed by Nick Bonomo on 28 Aug 2011
  172. Last observed by COA Archives on 10 Oct 1909
  173. Last observed by Micky Komara on 15 Aug 2018
  174. Last observed by Jory Teltser on 16 Aug 2018
  175. Last observed by Donnie R. Dann on 10 Jul 2004
  176. Last observed by Shannon Skalos on 17 Aug 2019
  177. Last observed by Steve Mayo on 19 Apr 2024
  178. Last observed by Michael Aurelia on 16 Jun 2011
  179. Last observed by Holly Bauer on 15 Apr 2024
  180. Last observed by Russ Smiley on 22 Apr 2024
  181. Last observed by Carol & Gary Lemmon on 30 Aug 2021
  182. Last observed by Tom Murray on 5 Jul 2023
  183. Last observed by Stinky Bird on 21 Dec 2023
  184. Last observed by william banks on 26 May 2023
  185. Last observed by Donna Lorello on 21 Apr 2024
  186. Last observed by Scott Yanco on 17 Apr 2024
  187. Last observed by Steve Mayo on 21 Apr 2024
  188. Last observed by Sky Kardell on 12 May 2023
  189. Last observed by Will Sweet on 22 Apr 2024
  190. Last observed by Paul Wolter on 20 Apr 2024
  191. Last observed by Linda Ankerstjerne Olsen on 1 May 2023
  192. Last observed by Russ Smiley on 22 Apr 2024
  193. Last observed by Molly Zahn on 22 Apr 2024
  194. Last observed by Paul Smith on 16 Sep 2022
  195. Last observed by Russ Smiley on 22 Apr 2024
  196. Last observed by Micky Komara on 25 May 2023
  197. Last observed by Avery Cotton on 8 Oct 2023
  198. Last observed by David Wallimann on 22 Apr 2024
  199. Last observed by Liz Triana on 22 Apr 2024
  200. Last observed by Russ Smiley on 22 Apr 2024
  201. Last observed by Frank Gallo on 10 Oct 2010
  202. Last observed by Andrew Boone on 13 May 2023
  203. Last observed by Stephanie Stewart on 18 Nov 2023
  204. Last observed by George Amato on 1 Oct 2023
  205. Last observed by Kimberly Jannarone on 22 Apr 2024
  206. Last observed by Kimberly Jannarone on 22 Apr 2024
  207. Last observed by Christopher Unsworth on 22 Apr 2024
  208. Last observed by Mark Aronson on 29 Oct 2022
  209. Last observed by Lucas Bauer on 22 Apr 2024
  210. Last observed by Alex Lin-Moore on 22 Apr 2024
  211. Last observed by Ed Bailey on 21 Apr 2024
  212. Last observed by Abby Sesselberg on 12 Nov 2023
  213. Last observed by George Stephens on 20 Sep 2015
  214. Last observed by Alex Lin-Moore on 22 Apr 2024
  215. Last observed by James Sherwonit on 31 Oct 2023
  216. Last observed by Frank Gallo on 13 Oct 2019
  217. Last observed by Timothy Watkins on 21 Apr 2024
  218. Last observed by Salvador Barraza on 23 Mar 2022
  219. Last observed by Walter Mowel on 20 Apr 2024
  220. Last observed by COA Archives on 19 Dec 1979
  221. Last observed by CarolAnne Goertz on 20 Apr 2024
  224. Last observed by Stephen Spector on 12 Feb 2024
  225. Last observed by Jeff Fengler on 15 Nov 1996
  226. Last observed by Jack Swatt on 26 Feb 2024
  227. Last observed by Ella Nastri on 22 Apr 2024
  228. Last observed by Nancy Clark on 22 Apr 2024
  229. Last observed by Thomas Kenefick on 20 Apr 2024
  230. Last observed by Edward Sadowski on 22 Apr 2024
  231. Last observed by Alex Lin-Moore on 22 Apr 2024
  232. Last observed by Ella Nastri on 22 Apr 2024
  233. Last observed by Liz Triana on 22 Apr 2024
  234. Last observed by Alex Lin-Moore on 22 Apr 2024
  235. Last observed by Ella Nastri on 22 Apr 2024
  236. Last observed by Janet Greenwood on 22 Apr 2024
  238. Last observed by Rob Ballinger on 22 Apr 2024
  239. Last observed by Lindsay McNamara on 21 Apr 2024
  240. Last observed by Paul Wolter on 3 Sep 2023
  241. Last observed by John Oshlick on 23 Oct 2023
  242. Last observed by Deb Eccleston on 22 Sep 2023
  243. Last observed by Erik Zilinek on 30 Jul 2023
  244. Last observed by John Oshlick on 2 Nov 2023
  245. Last observed by jean adamus on 14 Sep 2023
  246. Last observed by Benjamin Inclima on 22 Sep 2023
  247. Last observed by Patrick & Christine Tamborra on 20 Dec 2015
  248. Last observed by Ella Nastri on 22 Apr 2024
  249. Last observed by Frank Gallo on 10 Dec 2016
  250. Last observed by Laurie Reynolds on 22 Sep 2023
  251. Last observed by Frank Mantlik on 18 Nov 1990
  252. Last observed by Steve Mayo on 8 Oct 2022
  253. Last observed by Micky Komara on 18 Apr 2024
  254. Last observed by Anthony Woodall on 12 Oct 2022
  255. Last observed by Chuck Imbergamo on 12 Sep 2023
  256. Last observed by Sandra Wright on 1 Nov 2020
  257. Last observed by Peter Grund on 20 Apr 2024
  258. Last observed by Bill Rankin on 22 Apr 2024
  259. Last observed by Jim Hunter on 16 Dec 2023
  260. Last observed by Paul Smith on 6 Jan 2024
  261. Last observed by Chris Loscalzo on 28 Oct 2023
  262. Last observed by CACC Archives on 17 Mar 1996
  263. Last observed by Laurel Barnhill on 27 Oct 2019
  264. Last observed by Edward Sadowski on 22 Apr 2024
  265. Last observed by Jon Atwood on 13 Mar 1988
  266. Last observed by Russ Smiley on 22 Apr 2024
  267. Last observed by Russ Smiley on 22 Apr 2024
  268. Last observed by william banks on 22 Apr 2024
  269. Last observed by David Wallimann on 22 Apr 2024
  270. Last observed by Alex Lin-Moore on 22 Apr 2024
  271. Last observed by Matthew Joyce on 19 Apr 2024
  272. Last observed by Nick Bonomo on 21 Apr 2024
  273. Last observed by Edward Sadowski on 22 Apr 2024
  274. Last observed by Patrick Clark on 21 Apr 2024
  275. Last observed by Edward Sadowski on 22 Apr 2024
  276. Last observed by Russ Smiley on 22 Apr 2024
  277. Last observed by Michelle Keefe on 15 Oct 2023
  278. Last observed by James Sherwonit on 8 Nov 2022
  279. Last observed by Alex Lin-Moore on 22 Apr 2024
  280. Last observed by Kimberly Jannarone on 22 Apr 2024
  281. Last observed by Edward Sadowski on 22 Apr 2024
  282. Last observed by jean adamus on 19 Apr 2024
  283. Last observed by Bill Rankin on 22 Apr 2024
  284. Last observed by Ella Nastri on 22 Apr 2024
  285. Last observed by william banks on 22 Apr 2024
  286. Last observed by Nathan Collins on 19 Apr 2024
  287. Last observed by don mcgregor on 2 Nov 2022
  288. Last observed by Stephen Spector on 21 Apr 2024
  289. Last observed by Edward Sadowski on 22 Apr 2024
  290. Last observed by Russ Smiley on 22 Apr 2024
  291. Last observed by Erol Fikrig on 21 Apr 2024
  292. Last observed by william banks on 22 Apr 2024
  293. Last observed by Nancy Clark on 22 Apr 2024
  294. Last observed by Edward Sadowski on 22 Apr 2024
  295. Last observed by Joe Zeranski on 5 Dec 1995
  296. Last observed by Julien Amsellem on 27 Jan 2024
  297. Last observed by Greg Hanisek on 31 Jan 2003
  298. Last observed by Scott Roxbrough on 1 Oct 2023
  299. Last observed by Katrina Stewart on 17 Oct 2023
  300. Last observed by Connecticut Audubon Society Archive on 3 Oct 2003
  301. Last observed by Ami Pelletier on 28 Oct 2023
  302. Last observed by william banks on 22 Apr 2024
  303. Last observed by Paul Wolter on 6 Oct 2023
  304. Last observed by Russ Smiley on 22 Apr 2024
  305. Last observed by william banks on 29 Sep 2006
  306. Last observed by Frank Gallo on 20 Dec 1980
  307. Last observed by Chuck Imbergamo on 21 Apr 2024
  308. Last observed by Alex Lin-Moore on 22 Apr 2024
  309. Last observed by Jack Faller on 7 Apr 2024
  310. Last observed by Carol & Gary Lemmon on 13 Nov 2023
  311. Last observed by Alex Lin-Moore on 22 Apr 2024
  312. Last observed by Christopher Unsworth on 21 Apr 2024
  313. Last observed by Andy McGann on 11 Jan 2023
  314. Last observed by Peter Grund on 19 Nov 2023
  315. Last observed by Philip Henson on 14 Nov 2020
  316. Last observed by Donna Lorello on 20 Apr 2024
  317. Last observed by Alex Lin-Moore on 22 Apr 2024
  318. Last observed by Chuck Imbergamo on 13 Mar 2024
  319. Last observed by Mark Aronson on 18 Oct 2022
  320. Last observed by Mike DiGioia on 8 Mar 2024
  321. Last observed by Micky Komara on 21 Oct 2023
  322. Last observed by Alex Lin-Moore on 22 Apr 2024
  323. Last observed by Tom Murray on 3 Nov 2023
  324. Last observed by Ella Nastri on 22 Apr 2024
  325. Last observed by Jim Bair on 25 Nov 2019
  326. Last observed by Matthew Bell on 10 Nov 2023
  327. Last observed by Joseph Wojtanowski on 22 May 2008
  328. Last observed by Mike DiGioia on 16 Apr 2024
  329. Last observed by Carol & Gary Lemmon on 8 Apr 2024
  330. Last observed by Peter Grund on 22 Apr 2024
  331. Last observed by Edward Sadowski on 14 Apr 2024
  332. Last observed by Chris S. Wood on 25 Oct 1998
  333. Last observed by Percy Ulsamer on 10 May 2020
  334. Last observed by Edward Sadowski on 22 Apr 2024
  335. Last observed by Cody Limber on 3 Feb 2024
  336. Last observed by Jack Robbins on 13 Oct 2023
  337. Last observed by Chris Loscalzo on 29 Oct 2023
  338. Last observed by Bill Rankin on 5 Nov 2023
  339. Last observed by Russ Smiley on 20 Apr 2024
  340. Last observed by Janet Greenwood on 22 Apr 2024
  341. Last observed by Russ Smiley on 22 Apr 2024
  342. Last observed by Ed Bailey on 2 Apr 2024
  343. Last observed by Anthony Panico on 21 Apr 2024
  344. Last observed by Frank Gallo on 27 Apr 1991
  345. Last observed by Alex Lin-Moore on 22 Apr 2024
  346. Last observed by Barry Marsh on 16 Nov 2023
  347. Last observed by Christopher Unsworth on 9 Sep 2022
  348. Last observed by don mcgregor on 26 Oct 2023
  349. Last observed by Robert Gerard on 30 Mar 2023
  350. Last observed by Micky Komara on 16 Apr 2024
  351. Last observed by Saverio DeGiorgio on 31 Jul 2023
  352. Last observed by Jim Carr on 14 Jan 2024
  353. Last observed by Russ Smiley on 22 Apr 2024
  354. Last observed by william banks on 22 Apr 2024
  355. Last observed by Peter Grund on 21 Apr 2024
  356. Last observed by Russ Smiley on 22 Apr 2024
  357. Last observed by George Amato on 14 Apr 2024
  358. Last observed by Yangfan Xiao on 2 Nov 2023
  359. Last observed by Beverly Propen on 27 Sep 2023
  360. Last observed by Liz Triana on 22 Apr 2024
  361. Last observed by BRUCE FINNAN on 26 Sep 2023
  362. Last observed by Will Schenck on 28 Aug 2023
  363. Last observed by Peter Grund on 14 Sep 2023
  364. Last observed by Ryan Dolan on 20 Apr 2024
  365. Last observed by carolyn cimino on 8 Jun 2023
  366. Last observed by Chris Loscalzo on 22 Oct 2023
  367. Last observed by Ella Nastri on 20 Apr 2024
  368. Last observed by Jo Fasciolo on 15 Jan 2024
  369. Last observed by Mike DiGioia on 21 Sep 2023
  370. Last observed by COA Archives on 12 Jan 2002
  371. Last observed by Russ Smiley on 25 Aug 2023
  372. Last observed by Peter Grund on 19 May 2023
  373. Last observed by Stephen Spector on 17 Apr 2024
  374. Last observed by Erin Boisvert on 6 Sep 2023
  375. Last observed by Chuck Imbergamo on 19 Oct 2023
  376. Last observed by Molly Zahn on 16 Oct 2023
  377. Last observed by william banks on 22 May 2023
  378. Last observed by Jeff Kohan on 17 Apr 2024
  379. Last observed by Frank Mantlik on 16 Oct 2023
  380. Last observed by Chris Loscalzo on 28 Oct 2023
  381. Last observed by Judy Moore on 20 Sep 2023
  382. Last observed by Anthony Panico on 21 Apr 2024
  383. Last observed by John Oshlick on 2 Oct 2023
  384. Last observed by Paul Smith on 5 Jan 2024
  385. Last observed by Chuck Imbergamo on 26 Oct 2023
  386. Last observed by Nancy Clark on 22 Apr 2024
  387. Last observed by Russ Smiley on 22 Apr 2024
  388. Last observed by Alex Lin-Moore on 22 Apr 2024
  389. Last observed by Glen Somogie on 14 May 2022
  390. Last observed by James Brewer on 15 Apr 2024
  391. Last observed by MARIA STOCKMAL on 24 Oct 2021
  392. Last observed by Jackson Smith on 27 Oct 2020
  393. Last observed by COA Archives on 3 May 1977
  394. Last observed by Bill Rankin on 22 Oct 2023
  395. Last observed by Peter Grund on 22 Sep 2023
  396. Last observed by Robert Buck on 23 Oct 2023
  397. Last observed by Deborah Evans on 16 May 2023
  398. Last observed by Chuck Imbergamo on 13 Oct 2023
  399. Last observed by Cody Limber on 24 Jan 2022
  400. Last observed by Alex Lin-Moore on 22 Apr 2024
  401. Last observed by Michael Russo on 14 Apr 2024
  402. Last observed by Steve Mayo on 9 Feb 1998
  403. Last observed by John Oshlick on 14 Oct 2023
  404. Last observed by Robert Dixon on 11 Nov 2007
  405. Last observed by Ed Bailey on 21 Apr 2024
  406. Last observed by Linda Ankerstjerne Olsen on 22 Feb 2024
  407. Last observed by DianeSarah Kuchta-Humphrey on 7 Jan 2024

Exotic: Escapee (17)

  1. Last observed by Craig Houghton on 14 Mar 2006
  2. Last observed by Frank Gallo on 18 Aug 2009
  3. Last observed by maggie peretto on 16 Feb 2016
  4. Last observed by Davis Smith on 5 Jun 2023
  5. Last observed by Tony Belejack on 1 Oct 2018
  6. Last observed by William Generous on 16 Jun 2022
  7. Last observed by Catherine Labio on 7 Jun 2009
  8. Last observed by Lee Snyder on 6 Jun 2023
  9. Last observed by Kathleen Van Der Aue on 26 Mar 2024
  10. Last observed by Glenn Laudenslager on 8 Mar 2023
  11. Last observed by Beverly Propen on 16 Jun 2021
  12. Last observed by Christine Howe on 10 Sep 2021
  13. Last observed by Greg Hanisek on 23 Aug 2023
  14. Last observed by Frank Gallo on 12 Oct 2003
  15. Last observed by Jim Bair on 25 Jul 2016
  17. Last observed by Sophie Zyla on 15 Mar 2024

Hybrids (21)

  1. Snow x Ross's Goose (hybrid) Anser caerulescens x rossii
    Last observed by Betsy MacMillan on 20 Jan 2020
  2. Graylag x Swan Goose (hybrid) Anser anser x cygnoides
    Last observed by CT bird atlas on 21 Nov 2021
  3. Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensis
    Last observed by Julie Hart on 4 Nov 2017
  4. Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensis
    Last observed by Jack Swatt on 3 Feb 2024
  5. Graylag x Canada Goose (hybrid) Anser anser x Branta canadensis
    Last observed by Nick Bonomo on 20 Jul 2017
  6. Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis
    Last observed by Tommy Thornhill on 9 Apr 2024
  7. Barnacle x Canada Goose (hybrid) Branta leucopsis x canadensis
    Last observed by Nick Bonomo on 13 Oct 2016
  8. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    Last observed by Justin Hamlin on 14 Apr 2024
  9. Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acuta
    Last observed by Bill Rankin on 11 Feb 2024
  10. Ring-necked Duck x scaup sp. (hybrid) Aythya collaris x marila/affinis
    Last observed by Nick Bonomo on 25 Dec 2019
  11. Tufted Duck x scaup sp. (hybrid) Aythya fuligula x marila/affinis
    Last observed by Nick Bonomo on 20 Mar 2019
  12. Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandica
    Last observed by Severin Uebbing on 26 Feb 2023
  13. Dunlin x White-rumped Sandpiper (hybrid) Calidris alpina x fuscicollis
    Last observed by Severin Uebbing on 12 Jun 2022
  14. Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreus
    Last observed by Dan Rottino on 22 Mar 2016
  15. Little Blue x Tricolored Heron (hybrid) Egretta caerulea x tricolor
    Last observed by Micky Komara on 25 Oct 2020
  16. Glossy x White-faced Ibis (hybrid) Plegadis falcinellus x chihi
    Last observed by Nick Bonomo on 11 May 2022
  17. Dark-eyed Junco x White-throated Sparrow (hybrid) Junco hyemalis x Zonotrichia albicollis
    Last observed by Preston Lust on 18 Dec 2021
  18. Bullock's x Baltimore Oriole (hybrid) Icterus bullockii x galbula
    Last observed by Nick Bonomo on 29 Nov 2009
  19. Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanoptera
    Last observed by Jack Swatt on 22 Jun 2020
  20. Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)
    Last observed by Jason Rieger on 21 May 2021
  21. Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)
    Last observed by Chuck Imbergamo on 20 Jun 2023

Additional Taxa (116)

  1. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    Last observed by Bill Rankin on 6 Apr 2024
  2. Cackling/Canada Goose Branta hutchinsii/canadensis
    Last observed by Philip Henson on 1 Mar 2024
  3. swan sp. Cygnus sp.
    Last observed by Facundo Fernandez-Duque on 2 Jan 2024
  4. goose sp. Anatidae (goose sp.)
    Last observed by Frances Park on 10 Apr 2024
  5. Mallard/American Black Duck Anas platyrhynchos/rubripes
    Last observed by Adrian Burke on 27 Mar 2024
  6. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    Last observed by Adrian Burke on 17 Dec 2021
  7. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by L&J Meyer on 20 Apr 2024
  8. Aythya sp. Aythya sp.
    Last observed by Julien Amsellem on 9 Feb 2024
  9. Surf/Black Scoter Melanitta perspicillata/americana
    Last observed by Julien Amsellem on 18 Apr 2024
  10. scoter sp. Melanitta sp.
    Last observed by Steve Mayo on 21 Apr 2024
  11. Common/Red-breasted Merganser Mergus merganser/serrator
    Last observed by George Amato on 4 May 2020
  12. merganser sp. Mergellus/Lophodytes/Mergus sp.
    Last observed by Dean Rupp on 23 Mar 2020
  13. duck sp. Anatidae (duck sp.)
    Last observed by Abby Sesselberg on 21 Apr 2024
  14. Podiceps sp. Podiceps sp.
    Last observed by Curtis Marantz on 6 Nov 2004
  15. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    Last observed by Connecticut Rare Records on 15 Dec 1973
  16. grebe sp. Podicipedidae sp.
    Last observed by Julien Amsellem on 18 Apr 2024
  17. pigeon/dove sp. Columbidae sp.
    Last observed by Adrian Burke on 23 Jul 2019
  18. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    Last observed by Stephen Broker on 13 Oct 2023
  19. nightjar sp. Caprimulgidae sp.
    Last observed by John Oshlick on 24 Apr 2016
  20. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    Last observed by Katherine Sandgren on 24 Nov 2019
  21. hummingbird sp. Trochilidae sp.
    Last observed by Chuck Imbergamo on 9 Oct 2023
  22. King/Clapper Rail Rallus elegans/crepitans
    Last observed by Nick Bonomo on 12 May 2021
  23. rail/crake sp. Rallidae sp. (rail/crake sp.)
    Last observed by L&J Meyer on 19 Apr 2024
  24. American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulva
    Last observed by Charlie Barnard Jr. on 25 Jul 2015
  25. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    Last observed by Nick Ferrauolo on 26 Sep 2022
  26. plover sp. Charadriidae sp.
    Last observed by Daniel Casey on 10 Oct 2023
  27. godwit sp. Limosa sp.
    Last observed by Brendan Murtha on 19 Oct 2021
  28. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    Last observed by Frank Gallo on 8 Oct 2023
  29. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    Last observed by Rick Gedney on 21 Apr 2024
  30. Western/Semipalmated Sandpiper Calidris mauri/pusilla
    Last observed by Alex Lin-Moore on 3 Sep 2023
  31. peep sp. Calidris sp. (peep sp.)
    Last observed by Beverly Propen on 17 Apr 2024
  32. Calidris sp. Calidris sp.
    Last observed by Matthew Joyce on 12 Apr 2024
  33. Scolopacidae sp. Scolopacidae sp.
    Last observed by Arthur Shippee on 29 Aug 2014
  34. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    Last observed by Arthur Shippee on 29 Oct 2015
  35. shorebird sp. Charadriiformes sp.
    Last observed by Julien Amsellem on 17 Apr 2024
  36. jaeger sp. Stercorarius sp. (jaeger sp.)
    Last observed by Stephen Spector on 23 Aug 2021
  37. alcid sp. Alcidae sp.
    Last observed by Chuck Imbergamo on 14 Nov 2022
  38. Herring/Iceland Gull Larus argentatus/glaucoides
    Last observed by Julien Amsellem on 1 Apr 2024
  39. white-winged gull sp. Larus sp. (white-winged gull sp.)
    Last observed by Micky Komara on 16 Mar 2022
  40. Larus sp. Larus sp.
    Last observed by Greg Hanisek on 13 Apr 2024
  41. gull sp. Larinae sp.
    Last observed by Rob Ballinger on 22 Apr 2024
  42. Forster's/Common Tern Sterna forsteri/hirundo
    Last observed by James Armstrong on 22 May 2022
  43. Sterna sp. Sterna sp.
    Last observed by Nick Bonomo on 15 Oct 2023
  44. large tern sp. Hydroprogne/Thalasseus sp.
    Last observed by Greg Hanisek on 14 Oct 2023
  45. tern sp. Sterninae sp.
    Last observed by Cody Limber on 6 Oct 2023
  46. loon sp. Gavia sp.
    Last observed by Julien Amsellem on 18 Apr 2024
  47. storm-petrel sp. Oceanitidae/Hydrobatidae sp.
    Last observed by Tim Antanaitis on 30 Jul 2005
  48. Cory's/Great Shearwater Calonectris diomedea/Ardenna gravis
    Last observed by Jory Teltser on 16 Aug 2018
  49. shearwater sp. Procellariidae sp. (shearwater sp.)
    Last observed by Frank Gallo on 16 Aug 2018
  50. frigatebird sp. Fregata sp.
    Last observed by Connecticut Rare Records on 18 Jul 1990
  51. Great/Double-crested Cormorant Phalacrocorax carbo/Nannopterum auritum
    Last observed by Adrian Burke on 8 Jan 2021
  52. cormorant sp. Phalacrocoracidae sp.
    Last observed by Michelle Keefe on 20 Apr 2024
  53. Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
    Last observed by Darryl Rathbun on 16 Oct 2023
  54. heron sp. Ardeidae sp.
    Last observed by Amanda Kallenbach on 2 Nov 2023
  55. white egret sp. Egretta/Bubulcus/Ardea sp.
    Last observed by L&J Meyer on 7 Apr 2024
  56. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    Last observed by Adrian Burke on 25 Apr 2021
  57. ibis sp. Threskiornithidae sp. (ibis sp.)
    Last observed by Russ Smiley on 27 May 2023
  58. new world vulture sp. Cathartidae sp.
    Last observed by Ade Ben-Sal. on 15 Apr 2024
  59. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by Christina Allen on 7 Apr 2024
  60. Accipiter sp. Accipiter sp.
    Last observed by David Kaempfer on 24 Mar 2024
  61. Buteo sp. Buteo sp.
    Last observed by Frank Mantlik on 10 Apr 2024
  62. hawk sp. Accipitridae sp. (hawk sp.)
    Last observed by L&J Meyer on 21 Apr 2024
  63. eagle sp. Accipitridae sp. (eagle sp.)
    Last observed by L&J Meyer on 5 Jan 2024
  64. Long-eared/Short-eared Owl Asio otus/flammeus
    Last observed by Frank Mantlik on 10 Dec 2020
  65. Asio sp. Asio sp.
    Last observed by Julien Amsellem on 1 Mar 2024
  66. owl sp. Strigiformes sp.
    Last observed by Jack Robbins on 9 Apr 2024
  67. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    Last observed by Ade Ben-Sal. on 8 Apr 2024
  68. woodpecker sp. Picidae sp.
    Last observed by Stacey Schwartz on 21 Apr 2024
  69. large falcon sp. Falco sp. (large falcon sp.)
    Last observed by william banks on 29 Oct 2013
  70. small falcon sp. Falco sp. (small falcon sp.)
    Last observed by Frank Mantlik on 29 Mar 2024
  71. falcon sp. Falco sp.
    Last observed by Monica Nichols on 20 Apr 2024
  72. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    Last observed by Jorge Ellis on 27 May 2022
  73. parakeet sp. Psittaciformes sp. (parakeet sp.)
    Last observed by Thomas Kenefick on 13 Jun 2015
  74. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    Last observed by Michael Levinson on 8 Sep 2023
  75. Empidonax sp. Empidonax sp.
    Last observed by Chris Loscalzo on 30 Sep 2023
  76. new world flycatcher sp. Tyrannidae sp.
    Last observed by BRUCE FINNAN on 3 Oct 2023
  77. solitary vireo sp. Vireo cassinii/solitarius/plumbeus
    Last observed by CT IBA Program on 15 May 2010
  78. Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus
    Last observed by George Amato on 18 Sep 2020
  79. vireo sp. Vireo sp.
    Last observed by Renee Baade on 17 Oct 2023
  80. American/Fish Crow Corvus brachyrhynchos/ossifragus
    Last observed by Julien Amsellem on 23 Jan 2024
  81. crow sp. Corvus sp. (crow sp.)
    Last observed by Russ Smiley on 22 Apr 2024
  82. crow/raven sp. Corvus sp.
    Last observed by Adrian Burke on 23 Apr 2021
  83. Cliff/Cave Swallow Petrochelidon pyrrhonota/fulva
    Last observed by Alex Lin-Moore on 21 Oct 2018
  84. swallow sp. Hirundinidae sp.
    Last observed by Russ Smiley on 22 Apr 2024
  85. Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa
    Last observed by Christopher Unsworth on 8 Apr 2022
  86. nuthatch sp. Sitta sp.
    Last observed by Scott Baron on 16 Oct 2007
  87. wren sp. Troglodytidae sp.
    Last observed by Linda Ankerstjerne Olsen on 29 Mar 2024
  88. mimid sp. Mimidae sp.
    Last observed by Corrine Folsom-O'Keefe on 6 Apr 2018
  89. Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelli
    Last observed by Jason Rieger on 15 Oct 2023
  90. Catharus sp. Catharus sp.
    Last observed by Kristof Zyskowski on 19 May 2023
  91. thrush sp. Turdidae sp.
    Last observed by William Batsford on 15 Apr 2024
  92. House/Purple Finch Haemorhous mexicanus/purpureus
    Last observed by Eunice Mahler on 19 Mar 2022
  93. Haemorhous sp. Haemorhous sp.
    Last observed by Adrian Burke on 4 May 2021
  94. crossbill sp. Loxia sp.
    Last observed by William Batsford on 26 Dec 2012
  95. Spinus sp. Spinus sp.
    Last observed by Corrine Folsom-O'Keefe on 25 Oct 2012
  96. Acanthis/Spinus sp. Acanthis/Spinus sp.
    Last observed by Adrian Burke on 21 Nov 2018
  97. finch sp. Fringillidae sp.
    Last observed by Chris Fragoso on 2 Dec 2023
  98. longspur sp. Calcarius/Rhynchophanes sp.
    Last observed by Frank Gallo on 31 Oct 2012
  99. Spizella sp. Spizella sp.
    Last observed by Adrian Burke on 19 Apr 2021
  100. Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
    Last observed by Adrian Burke on 27 Nov 2014
  101. Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacuta
    Last observed by Ken Elkins on 17 Oct 2023
  102. Ammospiza sp. Ammospiza sp.
    Last observed by Molly Zahn on 10 Oct 2023
  103. Lincoln's/Swamp Sparrow Melospiza lincolnii/georgiana
    Last observed by Nick Bonomo on 30 Sep 2019
  104. new world sparrow sp. Passerellidae sp.
    Last observed by Greg Hanisek on 13 Apr 2024
  105. new world oriole sp. Icterus sp.
    Last observed by Thomas Bravo on 12 Nov 2023
  106. grackle sp. Quiscalus sp.
    Last observed by beau schaefer on 11 Oct 2022
  107. blackbird sp. Icteridae sp.
    Last observed by Greg Hanisek on 13 Apr 2024
  108. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    Last observed by Jenny Minutillo on 9 Sep 2023
  109. Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanoptera
    Last observed by Andy McGann on 16 May 2023
  110. Connecticut/MacGillivray's/Mourning Warbler Oporornis/Geothlypis sp. (Mourning-type)
    Last observed by Julien Amsellem on 21 Sep 2023
  111. Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
    Last observed by Peter Grund on 16 Sep 2023
  112. new world warbler sp. Parulidae sp.
    Last observed by Julien Amsellem on 17 Feb 2024
  113. tanager sp. (Piranga sp.) Piranga sp.
    Last observed by Nancy Clark on 21 May 2017
  114. Passerina sp. Passerina sp.
    Last observed by Julien Amsellem on 15 Sep 2023
  115. passerine sp. Passeriformes sp.
    Last observed by Alton Spencer on 21 Apr 2024
  116. bird sp. Aves sp.
    Last observed by Adrian Burke on 27 Mar 2024