Hammerstone from Cote d'Ivoire (IMAGE)
Caption
Examples of chimpanzee hammerstones from Djouroutou, Cote d’Ivoire; illustrating their textured surface, three-dimensional surface, surface depth and surface gradient.
Credit
© Tomos Proffitt
Usage Restrictions
The image may only be used in connection with reporting on the article/research by Tomos Proffitt et al. (2022).
License
Original content