Dolotovskaya, Sofya
Roos, Christian
Heymann, Eckhard W.
Funding for this research was provided by:
Leakey Foundation
German Research Foundation (407493972)
International Primatological Society
Primate Action Fund
Deutsches Primatenzentrum
Projekt DEAL
Article History
Received: 25 August 2020
Accepted: 2 November 2020
First Online: 23 November 2020
Competing interests
: The authors declare no competing interests.