Archaeological evidence indicates that capuchin monkey stone tool-use traditions have persisted for about 700 years.
Sources
- The pervasive role of social learning in primate lifetime development (pmc.ncbi.nlm.nih.gov)
- https://www.sciencenews.org/article/earliest-evidence-monkeys-use-stone-tools-found (sciencenews.org)
- https://www.nationalgeographic.com/animals/article/capuchins-monkeys-stone-tools-archaeology (nationalgeographic.com)
- https://www.washingtonpost.com/news/animalia/wp/2016/07/11/in-brazil-scientists-unearth-a-trove-of-ancient-stone-tools-used-by-monkeys/ (washingtonpost.com)
- https://eprints.gla.ac.uk/138261 (eprints.gla.ac.uk)