. The birds of Illinois and Wisconsin. Birds; Birds. 650 Field Museum of Natural History^Zoology, Vol. IX. Adult female: Dark greenish olive above; tail feathers, dark fus- cous brown, generally faintly edged with grayish blue; under parts dull buffy white. Diagnostic character in any plumage: Exposed white spot on pri- maries at end of coverts. Length, ; wing, ; tail, 2; bill, .35. This species is a comnion migrant in Illinois and Wisconsin in spring and fall, and undoubtedly breeds in northern Wisconsin, as Mr. John F. Ferry observed a bird of this species feeding young (which were t
. The birds of Illinois and Wisconsin. Birds; Birds. 650 Field Museum of Natural History^Zoology, Vol. IX. Adult female: Dark greenish olive above; tail feathers, dark fus- cous brown, generally faintly edged with grayish blue; under parts dull buffy white. Diagnostic character in any plumage: Exposed white spot on pri- maries at end of coverts. Length, ; wing, ; tail, 2; bill, .35. This species is a comnion migrant in Illinois and Wisconsin in spring and fall, and undoubtedly breeds in northern Wisconsin, as Mr. John F. Ferry observed a bird of this species feeding young (which were taken) near Woodruff, Vilas County, July 2, 1908, and Messrs. Kumlien andHollister say: " There are several records of sum- mer specimens from different ; 313. Dendroica coronata (Linn.). Myrtle Warbler. Yellow-rumped Warbler. Distr.: Whole of North America, but much more common east of the Rocky Mountains; breeds from northern New York and north- ern Michigan and in the Alleghany Mountains north to Ungava and Alaska; winters in the West Indies and Central America. Adult male in spring: Upper plumage, bluish gray, streaked with black; crown, sides of breast and rump, clear yellow; throat, white; a white superciliary line; sides of head, black; breast, white, streaked with black; sides, the same; wings and tail dark fuscous, the latter with white blotches. Adult female in spring: Similar, but browner above and with but little black on under parts; yellow patches duller and smaller. Adult in fall and irnmature: Yellow on crown more or less concealed; upper parts, grayish brown, streaked with black or dusky. Diagnostic characters in any plumage: Crown, sides of breast and rump more or less yellow; throat, white or whitish. Length, about ; wing, ; tail, ; bill, .36. The yellow patches on the rump and sides of the breast are usually sufficiently noticeable to identify this species in the field. The Myrtle Warbler is an abundant migrant in spring and f
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