About the Authors

Roger D. Santer

rds5@aber.ac.uk

Affiliations School of Biological Sciences, University of Nebraska Lincoln, Lincoln, Nebraska, United States of America, Institute of Biological, Environmental, and Rural Sciences, Aberystwyth University, Aberystwyth, United Kingdom

Eileen A. Hebets

Affiliation School of Biological Sciences, University of Nebraska Lincoln, Lincoln, Nebraska, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RDS. Performed the experiments: RDS. Analyzed the data: RDS EAH. Contributed reagents/materials/analysis tools: RDS EAH. Wrote the paper: RDS EAH.