About the Authors

Daniela Zanetti

Affiliation Department of Animal Biology-Anthropology, University of Barcelona, Barcelona, Spain

Robert Carreras-Torres

Affiliation Department of Animal Biology-Anthropology, University of Barcelona, Barcelona, Spain

Esther Esteban

Affiliations Department of Animal Biology-Anthropology, University of Barcelona, Barcelona, Spain, Biodiversity Research Institute, University of Barcelona, Spain

Marc Via

Contributed equally to this work with: Marc Via, Pedro Moral

Affiliation Department of Psychiatry and Clinical Psychobiology and Institute for Brain, Cognition and Behavior (IR3C), University of Barcelona, Barcelona, Spain

Pedro Moral

Contributed equally to this work with: Marc Via, Pedro Moral

pmoral@ub.edu

Affiliations Department of Animal Biology-Anthropology, University of Barcelona, Barcelona, Spain, Biodiversity Research Institute, University of Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PM MV RCT EE. Performed the experiments: DZ. Analyzed the data: DZ RCT MV. Contributed reagents/materials/analysis tools: PM. Wrote the paper: DZ PM MV. Revised the article critically: PM MV RCT EE.