About the Authors

Kenneth H. Britten

khbritten@ucdavis.edu

Affiliation Department of Neurobiology, Physiology and Behavior, University of California, Davis, CA 95616, United States of America

Timothy D. Thatcher

Affiliation Department of Neurobiology, Physiology and Behavior, University of California, Davis, CA 95616, United States of America

Tim Caro

Affiliation Department of Wildlife, Fish and Conservation Biology, University of California, Davis, CA 95616, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KHB. Performed the experiments: TC. Analyzed the data: TDT KHB. Wrote the paper: KHB TC.