About the Authors

Pascual López-López

Pascual.Lopez@uv.es

Affiliations Cavanilles Institute of Biodiversity and Evolutionary Biology, Terrestrial Vertebrates Group, University of Valencia, Paterna, Valencia, Spain, Biodiversity Conservation Group, Doñana Biological Station, Spanish National Research Council, Sevilla, Spain

Miguel Ferrer

Affiliation Biodiversity Conservation Group, Doñana Biological Station, Spanish National Research Council, Sevilla, Spain

Agustín Madero

Affiliation Consejería de Medio Ambiente, Junta de Andalucía, Sevilla, Spain

Eva Casado

Affiliation Fundación Migres, Sevilla, Spain

Michael McGrady

Affiliation Natural Research, Ltd, Krems, Austria

Competing Interests

The participation of one the coauthors as a member of the company Natural Resources Ltd. does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. All data used for this study is freely available upon request to the authors.

Author Contributions

Conceived and designed the experiments: PLL MF AM. Performed the experiments: PLL MF. Analyzed the data: PLL MF. Contributed reagents/materials/analysis tools: MF EC AM. Wrote the paper: PLL. Edited manuscript: PLL MF EC MM.