. American bird magazine, ornithology. Birds. AMERICAN ORNITHOLOGY. 91 separates him from the somewhat similar marked black and white Warbler. The female is greenish gray above streaked with black but with no black crown. The underparts are less distinctly streaked with black. Winter adults and young are very dull colored birds, brownish gray above and buffy below with indistinct dusky streaks. NESTING Nests of this species are usually placed at low elevation among the outer branches of spruces; they have been found at elevations of from five to ten feet usually in swampy localities.
. American bird magazine, ornithology. Birds. AMERICAN ORNITHOLOGY. 91 separates him from the somewhat similar marked black and white Warbler. The female is greenish gray above streaked with black but with no black crown. The underparts are less distinctly streaked with black. Winter adults and young are very dull colored birds, brownish gray above and buffy below with indistinct dusky streaks. NESTING Nests of this species are usually placed at low elevation among the outer branches of spruces; they have been found at elevations of from five to ten feet usually in swampy localities. The nests are made of slender twigs, rootlets, mosses ect., and lined with fine grasses or black rootlets. The four eggs are dull white, usually blotched and specked with various shades of brown. HABITS. Black-polls are one of the most abundant birds during migration and are met with in woods, orchard or swamp. They seem very slow mxotioned compared to the agility displayed by most of the family, and attention is usually attracted to them by their rather faint and jerky "zee-zee" slowly repeated about seven times; it is a song re- minding one of an insect, most resembling that of the black and white Warbler but very much slower. In the fall when the adults return, re- enforced by their young, they are the most abundant bird that we have and are found in flocks everywhere. Owing to their very obscure plumage they are very hard to separate from several other species at this season. BLACKBURNIAN WARBLER. A. O U. No. 663. (Deudroica ; RANGE. These Warblers breed in the higher portions of northern United States and in southern Canada. They are konwn to nest as far south as central Massachusetts, New York and Pennsylvania and a few breed in the Alleghanies to the Carolinas. Their winter quarters are chiefly in. northern South America. DESCRIPTION. Length, inches. Being the only North American warbler except the Redstart to have any amount of orange in it
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