Correspondence: Reply to ‘Chimpanzee helping is real, not a byproduct’

• Keith Jensen,
• Claudio Tennie,
• Josep Call

Affiliations

Keith Jensen

Faculty of Biology, Medicine and Health, University of Manchester

Claudio Tennie

Department for Early Prehistory and Quaternary Ecology, The University of Tübingen

Josep Call

School of Psychology and Neuroscience, University of St Andrews