Chimps have been shown to use tools and pass on the knowledge to their offspring. https://phys.org/news/2016-10-wild-chimpanzee-mothers-young-tools.html https:

Chimps have been shown to use tools and pass on the knowledge to their offspring. https://phys.org/news/2016-10-wild-chimpanzee-mothers-young-tools.html https://phys.org/news/2016-10-wild-chimpanzee-mothers-young-...