Affiliations

• ¹ School of Human Sciences, The University of Western Australia, Perth, WA 6009, Australia; Centre for Evolutionary Biology, School of Biological Sciences, The University of Western Australia, Perth, WA 6009, Australia; International Centre of Biodiversity and Primate Conservation, Dali University, Dali, Yunnan 671003, China. Electronic address: cyril.grueter@uwa.edu.au.
• ² Shaanxi Key Laboratory for Animal Conservation, College of Life Sciences, Northwest University, Xi'an, 710069, China.
• ³ Cognitive Ethology Laboratory, German Primate Center (DPZ), Leibniz Institute for Primate Research, 37077 Göttingen, Germany; Leibniz ScienceCampus for Primate Cognition, 37077 Göttingen, Germany.
• ⁴ Department of Psychology, University of Michigan, Ann Arbor, MI, USA; Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA.
• ⁵ CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chaoyang District, Beijing 100101, China; Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming 650223, China.
• ⁶ College of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan 410004, China.
• ⁷ CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chaoyang District, Beijing 100101, China.
• ⁸ School of Human Sciences, The University of Western Australia, Perth, WA 6009, Australia.
• ⁹ Department of Anthropology, University of Zurich, 8057, Zürich, Switzerland.
• ¹⁰ Cognitive Ethology Laboratory, German Primate Center (DPZ), Leibniz Institute for Primate Research, 37077 Göttingen, Germany; Department for Primate Cognition, Georg-August-University of Göttingen, Göttingen, Germany.
• ¹¹ Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA.
• ¹² Evolutionary and Organismal Biology Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bengaluru 560064, India.
• ¹³ Shaanxi Key Laboratory for Animal Conservation, College of Life Sciences, Northwest University, Xi'an, 710069, China; Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming 650223, China.
• ¹⁴ Department for the Ecology of Animal Societies, Max Planck Institute of Animal Behavior, Konstanz, 78464, Germany; Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, 78464, Germany; Department of Biology, University of Konstanz, Konstanz, 78464, Germany; Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, 88048-970, Brazil; Centro de Estudos do Mar, Universidade Federal do Paraná, Pontal do Paraná, 83255-000, Brazil; School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, 2000, South Africa.
• ¹⁵ Department of Anthropology, Queens College, City University of New York, Flushing, NY, USA; New York Consortium in Evolutionary Primatology, New York, NY, USA; Anthropology, Biology and Psychology Programs, CUNY Graduate Center, 365 Fifth Avenue, New York, NY, USA; Department of Archaeology, University of Cape Town, Rondebosch, 7701, Cape Town, South Africa.