66 BLUE-WINGED WARBLER 



Adult $, Spring. Resembles adult < in Spring, but crown more like back, 

 eye-stripe duskier, generally less white in tail and on wing-coverts. Much 

 like young Fall <, but eye-stripe duskier. 

 Adult $, Fall. Similar to last. 



Young $, Fall. Similar to preceding, but crown still greener. 

 Nestling. Dusky olive-yellow above, paler and more yellow below. 



General Distribution. Eastern United States ; north to Connecti- 

 cut and Iowa; west nearly to the Plains. 



Summer Range. Southern Ohio, Indiana, Illinois, northern 

 Kentucky, northern Missouri and southern Iowa. Eastward the bird 

 breeds more rarely and locally in some of the lower portions of 

 southern Pennsylvania (West Chester, Carlisle, East Penn, Kirkland, 

 Laughlintown) ; Maryland (Laurel, Gwynn's Falls) ; Washington, 

 D. C., more commonly northward to southeastern New York (River- 

 dale, Ossining, Oyster Bay); New Jersey (Englewood; Morris 

 County) ; Connecticut (New Haven, Stratford, Stamford, Brantford, 

 Portland, Bridgeport, Saybrook) ; rarely in Rhode Island (Glou- 

 cester) . 



The species occurs rarely or casually in Massachusetts (West 

 Roxbury, May 17, 1878, Boston, May 29, 1902, Dedham, May, 

 1857, Dorchester, May 15, 1897) ; western New York (Penn Yan) ; 

 southern Michigan (Petersburg, May 10, 1894, Battle Creek, May 

 13, 1902, Detroit, May 29, 1902) ; southern Wisconsin (LaCrosse, May 

 7, 1885), and southern Minnesota (Minneapolis, May 17, 1880), west 

 to Nebraska (Omaha, Peru) ; Kansas (Emporia and Onaga). 



The most southern breeding records are in the Creek Nation, 

 Oklahoma; on the St. Francis River in extreme southeastern 

 Missouri; Tishomingo County, Mississippi; and on the coast of 

 Georgia near the mouth of the Altamaha River. Throughout most 

 portions of the southeastern States from South Carolina to eastern 

 Texas, the species is a rare migrant; accidental once in the West 

 Indies. 



Winter Range. Northern Mexico to Colombia. There is but 

 one record for the West Indies, that of a specimen taken on Abaco 

 Island, Bahamas, April 7. 



Spring Migration. South of the United States the Blue-winged 

 Warbler has been recorded on only one occasion during the spring 

 migration, when Chapman noted a single bird at Jalapa, Vera Cruz, 

 April 7, 1897. The migration, however, was evidently well under 

 way at that date for the earliest arrivals of this species noted in the 

 United States are at New Orleans, La., March 22, 1898, and on the 

 Tortugas, Fla., March 23, 1890. 



