About the Authors

Beatrice Ehmann

Roles Data curation, Formal analysis, Investigation, Visualization, Writing – review & editing

Affiliation Department of Anthropology, University of Zürich, Zürich, Switzerland

Carel P. van Schaik

Roles Conceptualization, Funding acquisition, Methodology, Resources, Writing – review & editing

Affiliation Department of Anthropology, University of Zürich, Zürich, Switzerland

Alison M. Ashbury

Roles Investigation, Writing – review & editing

Affiliations Department for the Ecology of Animal Societies, Max Planck Institute of Animal Behavior, Konstanz, Germany, Department of Biology, University of Konstanz, Konstanz, Germany

Julia Mörchen

Roles Data curation, Investigation

Affiliations Behavioral Ecology Research Group, Institute of Biology, Faculty of Life Science, Leipzig University, Leipzig, Germany, Research Group Primate Behavioural Ecology, Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

Helvi Musdarlia

Roles Data curation, Investigation

Affiliation Department of Biology, Graduate School, Universitas Nasional, Jakarta, Indonesia

Suci Utami Atmoko

Roles Project administration, Resources

Affiliation Faculty of Biology and Primate Research Center, Universitas Nasional, Jakarta, Indonesia

Maria A. van Noordwijk

Roles Conceptualization, Data curation, Funding acquisition, Methodology, Resources, Writing – review & editing

Affiliation Department of Anthropology, University of Zürich, Zürich, Switzerland

Caroline Schuppli

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Supervision, Visualization, Writing – original draft

caroline.schuppli@aim.uzh.ch

Affiliations Department of Anthropology, University of Zürich, Zürich, Switzerland, Leipzig Research Center for Early Child Development, Leipzig University, Leipzig, Germany, Development and Evolution of Cognition Research Group, Max Planck Institute of Animal Behavior, Konstanz, Germany

Competing Interests

The authors have declared that no competing interests exist.