PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Animal Behavior Anthropology Evolutionary Studies Rachel A Harrison PeerJ Author Summary Animal Behavior Past or current institution affiliations Université de Lausanne University of Birmingham University of St Andrews Work details Université de Lausanne February 2019 Department d'Ecologie et Evolution PeerJ Contributions Articles 1 February 19, 2018 Chimpanzees (Pan troglodytes) display limited behavioural flexibility when faced with a changing foraging task requiring tool use Rachel A. Harrison, Andrew Whiten https://doi.org/10.7717/peerj.4366 PubMed 29479495