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Rough-winged Swallow
Adult--Upper parts grayish brown; under parts gray, breast shading into white on the belly. The outer wing feather (first primary) is edged with "recurved hooklets," and is rough to the touch. Length--5.75.
Breeding Range--Throughout North America; in the Eastern States from Connecticut southward.
The nest, scarcely worthy of the name, is a small collection of feathers, grass, and straw, placed under bridges, in stone walls, or in holes in banks. 4 to 6, and rarely 8, white eggs are laid. Size--.71 x .50.
These birds generally build near water, the nests being frequently placed in crevices between the stones of bridge abutments, or even on the beams.
The eggs are laid early in May, many days being occupied in building the nest.