About the Authors

Cara F. Hotchkin

Contributed equally to this work with: Cara F. Hotchkin, Susan E. Parks, Daniel J. Weiss

hotchkin.cara@gmail.com

Current address: Marine Resources Branch, Naval Facilities Engineering Command Atlantic, Norfolk, VA, United States of America

Affiliation Intercollege Graduate Degree Program in Ecology, Penn State University, University Park, PA, United States of America

Susan E. Parks

Contributed equally to this work with: Cara F. Hotchkin, Susan E. Parks, Daniel J. Weiss

Affiliation Department of Biology, Syracuse University, Syracuse, NY, United States of America

Daniel J. Weiss

Contributed equally to this work with: Cara F. Hotchkin, Susan E. Parks, Daniel J. Weiss

Affiliation Department of Psychology and Program in Linguistics, Penn State University, University Park, PA, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CFH DJW SEP. Performed the experiments: CFH. Analyzed the data: CFH SEP DJW. Contributed reagents/materials/analysis tools: SEP DJW. Wrote the paper: CFH DJW SEP.