Ontology highlight
ABSTRACT:
SUBMITTER: Gruber T
PROVIDER: S-EPMC4972540 | biostudies-literature | 2016 Jul
REPOSITORIES: biostudies-literature
Gruber Thibaud T Zuberbühler Klaus K Neumann Christof C
eLife 20160719
Ecological variation influences the appearance and maintenance of tool use in animals, either due to necessity or opportunity, but little is known about the relative importance of these two factors. Here, we combined long-term behavioural data on feeding and travelling with six years of field experiments in a wild chimpanzee community. In the experiments, subjects engaged with natural logs, which contained energetically valuable honey that was only accessible through tool use. Engagement with th ...[more]