1. School of Arts, Sciences and Humanities, University of São Paulo , São Paulo, Brazil
2. Capuchin Culture Project, Neotropical Primates Research Group , São Paulo, Brazil
3. Technological Primates Research Group, Max Planck Institute for Evolutionary Anthropology , Leipzig, Germany
4. Federal University of São Paulo , Diadema, Brazil
5. Institute of Psychology, University of São Paulo , São Paulo, Brazil
6. Department for the Ecology of Animal Societies, Max Planck Institute of Animal Behavior , Konstanz, Germany