1. Department of Behavioural Ecology University of Goettingen Goettingen Germany
2. Primate Genetics Laboratory German Primate Center Leibniz Institute for Primate Research Goettingen Germany
3. Leibniz‐ScienceCampus Primate Cognition Goettingen Germany
4. Research Group Primate Social Evolution German Primate Center Leibniz Institute for Primate Research Goettingen Germany