The Northern Rough-winged Swallow is a plain, brown-backed swallow with a dingy throat that nests in holes in stream banks, culverts, and crevices in walls, often using abandoned kingfisher or Bank Swallow burrows. Its name refers to tiny hook-like serrations on the outer primary feathers, the function of which is unknown. It is typically seen singly or in small groups rather than the large colonies of Cliff and Bank Swallows.
Habitat
Stream banks, road cuts, bridges, and open areas near water
Diet
Flying insects
How common
Common
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