About the Authors

Daniela A. Schmieder

dschmieder@orn.mpg.de

Affiliations Sensory Ecology Group, Max Planck Institute for Ornithology, Seewiesen, Germany, Conservation Biology, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland

Hugo A. Benítez

Affiliations Faculty of Life Sciences, University of Manchester, Manchester, United Kingdom, Instituto de Alta Investigación, Universidad de Tarapacá, Arica, Chile

Ivailo M. Borissov

Affiliations Sensory Ecology Group, Max Planck Institute for Ornithology, Seewiesen, Germany, Department of Zoology, University of Tel Aviv, Tel Aviv, Israel

Carmelo Fruciano

Affiliations Lehrstuhl für Zoologie und Evolutionsbiologie, Department of Biology, University of Konstanz, Konstanz, Germany, Department of Biological, Zoological and Environmental Sciences, University of Catania, Catania, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DAS. Performed the experiments: DAS IMB. Analyzed the data: DAS HAB CF. Contributed reagents/materials/analysis tools: DAS CF. Wrote the paper: DAS HAB IMB CF.