About the Authors

Polly Campbell

polly.campbell@okstate.edu

Affiliation Department of Zoology, Oklahoma State University, Stillwater, Oklahoma, United States of America

Bret Pasch

Affiliation Bioacoustics Research Program and Macaulay Library, Cornell Lab of Ornithology, Ithaca, New York, United States of America

Ashley L. Warren

Affiliation Cornell University College of Veterinary Medicine, Ithaca, New York, United States of America

Steven M. Phelps

Affiliation Department of Integrative Biology, University of Texas at Austin, Austin, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PC BP SMP. Performed the experiments: PC BP ALW. Analyzed the data: PC ALW. Contributed reagents/materials/analysis tools: SMP. Wrote the paper: PC BP.