Heymann, Eckhard W. http://orcid.org/0000-0002-4259-8018
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (HE 1870/3-2)
Article History
Received: 7 May 2020
Revised: 28 September 2020
Accepted: 15 October 2020
First Online: 23 October 2020
Compliance with ethical standards
:
: The author declares that there are no conflicts of interest.
: Field research adhered to the “Guidelines for the treatment of animals in behavioural research and teaching” of the Association for the Study of Animal Behaviour and the Animal Behavior Society and to the “Code of Best Practices for Field Primatology” of the American Society of Primatologists.
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