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Black-throated Blue Warbler
Adult male--Upper parts slaty blue; throat, side of head, and sides of breast black; breast and belly white.
Adult female--Upper parts dull olive green, a white spot on the wing, under parts buffy white. Length--5.28.
Breeding Range--Along the Alleghanies, from South Carolina northward, and from northern United States northward; rarely in Connecticut.
The nest is placed in a laurel, a yew, or other tree, according to locality, at a distance from the ground of two feet and upwards. It is composed of bark, grass, pine needles, and cocoons, lined with hair and fine black roots. The eggs, usually 4 in number are white, tinged with either buff or green, blotched and spotted with chestnut and olive brown, chiefly at the larger end. Size--.72 x .50.
These warblers may be easily identified--the male by his black, white, and gray blue colouring, and the female by the white patch on the wing.
The breeding place is often in the damp woods, the nests being finished about the middle of May.