About the Authors

Lucie H. Salwiczek

Contributed equally to this work with: Lucie H. Salwiczek, Laurent Prétôt, Lanila Demarta

Affiliation Max Planck Institute for Ornithology, Department of Neurobiology, Seewiesen, Germany

Laurent Prétôt

Contributed equally to this work with: Lucie H. Salwiczek, Laurent Prétôt, Lanila Demarta

Affiliations Department of Biology, University of Neuchâtel, Neuchâtel, Switzerland, Department of Psychology and Language Research Center, Georgia State University, Atlanta, Georgia, United States of America

Lanila Demarta

Contributed equally to this work with: Lucie H. Salwiczek, Laurent Prétôt, Lanila Demarta

Affiliation Department of Biology, University of Neuchâtel, Neuchâtel, Switzerland

Darby Proctor

Affiliation Department of Psychology and Language Research Center, Georgia State University, Atlanta, Georgia, United States of America

Jennifer Essler

Affiliation Department of Psychology and Language Research Center, Georgia State University, Atlanta, Georgia, United States of America

Ana I. Pinto

Affiliation Department of Biology, University of Neuchâtel, Neuchâtel, Switzerland

Sharon Wismer

Affiliations Department of Biology, University of Neuchâtel, Neuchâtel, Switzerland, Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Tara Stoinski

Affiliation Zoo Atlanta, Atlanta, Georgia, United States of America

Sarah F. Brosnan

sbrosnan@gsu.edu

Affiliation Department of Psychology and Language Research Center, Georgia State University, Atlanta, Georgia, United States of America

Redouan Bshary

Affiliation Department of Biology, University of Neuchâtel, Neuchâtel, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RB SFB LHS LP LD DP SW AIP. Performed the experiments: LHS LP LD DP JE AIP SW. Analyzed the data: LHS LP LD AIP SFB RB. Wrote the paper: RB SFB LD LP LHS. Coordinated the research and provided the resources, including funding: RB SFB TS.