670. Dendroica kirtlandi. 5 1/2 inches.

Above bluish gray streaked with black; underparts pale yellow streaked on the side with black.

This is one of the rarest of American Warblers, and until 1903 but little was known of their habits or range; in that year they were discovered nesting in Oscoda County. Michigan. They were found near the banks of a river in Jack pines, building on the ground and remaining in the underbrush near it.

Song. - Loud and clear and said to resemble that of the Maryland Yellow-throat.

Nest. - In depressions in the ground at the foot of pine trees and probably also under bushes; made of strips of bark and vegetable fibres; eggs white, wreathed about the large end with brown (.72 x .56).

Range. - Breeds in Michigan and migrates southeast through Ohio, Missouri, Tennessee, Virginia, the Carolinas and Florida to the Bahamas.