About the Authors

Elena Angulo

Current address: Estación Biológica de Doñana, CSIC, Sevilla, Spain,

Affiliation Ecologie, Systématique et Evolution, UMR CNRS 8079, Université Paris Sud, Orsay, France

Franck Courchamp

franck.courchamp@u-psud.fr

Affiliation Ecologie, Systématique et Evolution, UMR CNRS 8079, Université Paris Sud, Orsay, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FC. Performed the experiments: EA FC. Analyzed the data: EA. Wrote the paper: EA FC.