Researchers have discovered numerous chimpanzee stone tools for breaking various kinds of nuts

Early in 2022, while conducting fieldwork in the Taï Forest in Cote d'Ivoire,the researchers discovered and 3D-scanned a range of stone tools.

The usage of wooden and stone tools differs among different chimpanzee groups, as has long been demonstrated. But only a few populations of chimpanzees in West Africa utilize stone tools to split open nuts. A recent study presented in the Royal Society Open Science¹ journal demonstrates that there are significant differences between two groups in terms o…