Color Key to North American Birds — Part 158

Range.--Southeastern United States, west to Louisiana, north to Virginia and southern Indiana; rare on Atlantic coast; known to breed only in Missouri; winters south of United States.

=641. Blue-winged Warbler= (_Helminthophila pinus_). L. 4.8. _Ad._ [Male]. Crown and underparts yellow; back olive-green; a black stripe through eye; two whitish wing-bars; outer tail-feathers with white patches. _Ad._ [Female]. Similar, less yellow on head, duller below. _Notes._ Song, a wheezy, _swee-chee_, the first inhaled, the second exhaled; also, later, _wēē_, _chi-chi-chi-chi_, _chūr_, _chēē-chūr_.

Range.--Eastern United States; breeds north to southern Connecticut and Minnesota, occasionally wanders to Massachusetts; winters south of United States.

=670. Kirtland Warbler= (_Dendroica kirtlandi_). L. 5.7. _Ad._ [Male]. Above bluish gray streaked with black; below pale yellow, sides streaked with black; wing-bars grayish; tail-patches white. _Ad._ [Female]. Similar, but browner. _Notes._ Song, said to resemble that of Maryland Yellow-throat and also that of Yellow-throated Warbler.

Range.--Eastern United States; has been found from April to October in United States as follows: in Florida, South Carolina, Virginia, Missouri, Illinois, Indiana, Ohio, Minnesota, Michigan, and Ontario, in all some twenty odd specimens; found breeding in summer of 1903 in Oscoda County, Michigan; winters in Bahamas where some fifty specimens have been taken.

=671. Pine Warbler= (_Dendroica vigorsii_). L. 5.5. _Ad._ [Male]. Throat and breast greenish yellow; above bright yellowish green; wing-bars and tail-patches white. _Ad._ [Female]. Similar, but breast duller, back browner. _Yng._ [Male]. Similar to Ad. [Male], but browner. _Yng._ [Female]. Below buffy white, breast slightly or not all yellowish; back olive-brown. _Notes._ Song, suggesting a Chipping Sparrow's but more musical.

Range.--Eastern North America; breeds from Gulf States north to New Brunswick, Minnesota, and Manitoba; winters from Virginia and southern Illinois to Gulf States.

=696. Siberian Yellow Wagtail= (_Budytes flavus leucostriatus_). L. 6.5. _Ad._ [Male]. Crown bluish slate, a white line over eye; back olive-green; below yellow; wing-bars yellowish; outer tail-feathers largely white. _Ad._ [Female]. Similar, but duller, head and wing-bars browner. _Notes._ Call, a sharp, _plé-plé-ple_; song, a low, clear, medley of jingling notes uttered on the wing. (Nelson.) (See page 191.)