About the Authors

Johanna Schick

Contributed equally to this work with: Johanna Schick, Caroline Fryns, Franziska Wegdell

Affiliations Department of Comparative Language Science, University of Zurich, Zurich, Switzerland, Center for the Interdisciplinary Study of Language Evolution (ISLE), University of Zurich, Zurich, Switzerland

Caroline Fryns

Contributed equally to this work with: Johanna Schick, Caroline Fryns, Franziska Wegdell

Affiliations Center for the Interdisciplinary Study of Language Evolution (ISLE), University of Zurich, Zurich, Switzerland, Department of Comparative Cognition, University of Neuchatel, Neuchatel, Switzerland

Franziska Wegdell

Contributed equally to this work with: Johanna Schick, Caroline Fryns, Franziska Wegdell

Affiliations Department of Comparative Language Science, University of Zurich, Zurich, Switzerland, Center for the Interdisciplinary Study of Language Evolution (ISLE), University of Zurich, Zurich, Switzerland

Marion Laporte

Affiliations Histoire naturelle de l’Homme préhistorique, UMR 7194, PaleoFED, Muséum National d’Histoire Naturelle, Paris, France, Institut des Sciences du Calcul et des Données, Sorbonne Université, Paris, France

Klaus Zuberbühler

Affiliations Center for the Interdisciplinary Study of Language Evolution (ISLE), University of Zurich, Zurich, Switzerland, Department of Comparative Cognition, University of Neuchatel, Neuchatel, Switzerland, School of Psychology and Neuroscience, University of St. Andrews, St. Andrews, United Kingdom

Carel P. van Schaik

vschaik@aim.uzh.ch (CPvS); sabine.stoll@uzh.ch (SS)

‡ CPvS, SWT, and SS also contributed equally to this work.

Affiliations Center for the Interdisciplinary Study of Language Evolution (ISLE), University of Zurich, Zurich, Switzerland, Department of Anthropology, University of Zurich, Zurich, Switzerland, Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Simon W. Townsend

‡ CPvS, SWT, and SS also contributed equally to this work.

Affiliations Department of Comparative Language Science, University of Zurich, Zurich, Switzerland, Center for the Interdisciplinary Study of Language Evolution (ISLE), University of Zurich, Zurich, Switzerland, Department of Psychology, University of Warwick, Warwick, United Kingdom

Sabine Stoll

vschaik@aim.uzh.ch (CPvS); sabine.stoll@uzh.ch (SS)

‡ CPvS, SWT, and SS also contributed equally to this work.

Affiliations Department of Comparative Language Science, University of Zurich, Zurich, Switzerland, Center for the Interdisciplinary Study of Language Evolution (ISLE), University of Zurich, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.