PeerJ Author & Reviewer 130 Points Contributions by role Author 100 Reviewer 30 Contributions by subject area Animal Behavior Anthropology Environmental Sciences Zoology Edwin JC van Leeuwen PeerJ Author & Reviewer Summary Animal Behavior Past or current institution affiliations UC Davis PeerJ Contributions Articles 1 February 1, 2022 Adult bonobos show no prosociality in both prosocial choice task and group service paradigm Jonas Verspeek, Edwin J. C. van Leeuwen, Daan W. Laméris, Nicky Staes, Jeroen M. G. Stevens https://doi.org/10.7717/peerj.12849 PubMed 35178297