News From the Field
Fatal chirps: Nocturnal flight calls increase building collisions among migrating birds
April 2, 2019
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.Birds that produce faint chirps called flight calls during nighttime migration collide with illuminated buildings much more often than closely related species that don't produce such calls, according to a new analysis of a 40-year record of thousands of building collisions in the Midwest. Full Story
University of Michigan
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