About the Authors

José L. Tella, Martina Carrete
Department of Conservation Biology, Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas, Sevilla, Spain

Jesús A. Lemus, Guillermo Blanco
Departament of Evolutive Ecology, Museo Nacional de Ciencias Naturales-CSIC, Madrid, Spain

Corresponding Author

tella@ebd.csic.es

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JLT JAL GB. Performed the experiments: JLT MC. Analyzed the data: MC. Contributed reagents/materials/analysis tools: JAL GB. Wrote the paper: JLT GB. Performed laboratory analyses: JAL.