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Common Name:Swallow, Northern Rough-winged
Scientific Name:Stelgidopteryx serripennis
Area:Elkton, Oregon
Date:April 15, 2013

This is a rather non-distinct swallow, and because of that it is one of the harder swallows to identify, plus it nests in holes and culverts not in boxes like the easy to spot Tree and Violet-green Swallows.

Rush Creek Marsh - Novato, California - - - June 14, 2013
The buffy throat and bright cinnamon wing-bars are indicators of a juvenile.

Reference:Birds of the Willamette Valley Region by Nehls, Aversa & Opperman / Kaufman Field Guide to Birds of North America by Kaufman / The Sibley Field Guide to Birds of Western North America by Sibley