RUFOUS-WINGED SPARROW.
579. Aimophila carpalis. 5¼ inches.
This small and paler sparrow is found on the plains of Mexico and north to Arizona. In appearance and habits it is similar to the [Chipping Sparrow], and the two are frequently found in the same locality. They nest in low bushes, making them of coarse grass and lined with down and hair, in which they place four sunmarked, bluish white eggs (.70 × .60).