About the Authors

Jeffrey V. Wells

jeffwells@borealbirds.org

Affiliation Boreal Songbird Initiative, Seattle, Washington, United States of America

Bruce Robertson

Affiliation W. K. Kellogg Biological Station, Michigan State University, Hickory Corners, Michigan, United States of America

Kenneth V. Rosenberg

Affiliation Cornell Lab of Ornithology, Cornell University, Ithaca, New York, United States of America

David W. Mehlman

Affiliation The Nature Conservancy, Albuquerque, New Mexico, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JVW KVR. Performed the experiments: JVW. Analyzed the data: JVW BR. Wrote the paper: JVW BR KVR. Provided comments and edits to paper: BR KVR. Provided comments to paper: DWM.