Northern Rough-winged Swallow (Stelgidopteryx serripennis)


Call: A variety of short buzzy notes, often given in rapid succession. Similar to certain call notes of the Bank Swallow, but usually with a slight upward slur (Bank Swallow has a slight downward slur).



Northern Rough-winged Swallow calls, July 9, 2011, Vernon Marsh, Waukesha County, Wisconsin.