SAVANNAH SPARROW
542a. Passerculus sandwichensis savanna. 5½ inches
Breast and sides streaked with brownish, and yellow before the eye and also on bend of wing.
These finches are very abundant in eastern U. S. during migrations and a few remain in the northern parts through the summer.
Song.—A weak trill or twitter; a short chip.
Nest.—Of grasses in hollows in the ground and concealed by grass or weeds. The four grayish eggs are spotted with brown (.75 × .55).
Range.—Winters in southern U. S.; breeds from northern U. S. northward. 542b. Western Savannah Sparrow (alaudinus) is found from the Plains west to the coast ranges. It is slightly paler.
BAIRD SPARROW
545. Ammodramus bairdi. 5¾ inches