About the Authors

Jonathan A. Michaels

Affiliation German Primate Center, Göttingen, Germany

Benjamin Dann

Affiliation German Primate Center, Göttingen, Germany

Hansjörg Scherberger

hscherberger@dpz.eu

Affiliations German Primate Center, Göttingen, Germany, Faculty of Biology, Georg-August-Universität Göttingen, Göttingen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: JAM BD HS. Funding acquisition: HS. Investigation: JAM BD. Writing – original draft: JAM. Writing – review & editing: JAM BD HS.