About the Authors

Alexander W Shingleton, Jayatri Das, David L Stern
Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, United States of America

Lucio Vinicius
Leverhulme Centre for Human Evolutionary Studies, University of Cambridge, Cambridge, United Kingdom

Corresponding Author

ashingle@princeton.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

JD, LV, DLS, and AWS conceived, designed, and performed the experiments. AWS analyzed the data and wrote the paper.