1860 Red-necked Grebe Hartford 1900 Snow Bunting Granby 1907 Long-tailed Duck Litchfield 1986 Boreal Chickadee Branford 1986 Eurasian Wigeon New Britain 1986 Tundra Swan Branford 1997 Swainson's Hawk New Haven, Lighthouse Pk. 1999 Arctic Loon Westport, Sherwood Is. St. Pk. Warblers Reported American Redstart