rwsw1 | Animal Diversity Web

Northern Rough-winged Swallows (Stelgidopteryx serripennis) reel in the Spring air above Tavasci Marsh [Arizona], calling as they fly - notice, as in most swallows, that they call most when the flock is the densest (a mechanism to help avoid collisions?).

About this sound

Identification: Stelgidopteryx serripennis (northern rough-winged swallow)
Contributors: Douglas Von Gausig, Naturesongs.com
recordist copyright holder
Subjects: Type Sound

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