PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Animal Behavior Anthropology Conservation Biology Ecology Zoology Alex K Piel PeerJ Author Summary Animal Behavior Anthropology Conservation Biology Ecology Zoology Work details Lecturer University College London July 2020 Anthropology PeerJ Contributions Articles 1 October 19, 2021 Vocal communication in wild chimpanzees: a call rate study Anne-Sophie Crunchant, Fiona A. Stewart, Alex K. Piel https://doi.org/10.7717/peerj.12326 PubMed 34721995