Social cues on stone tools outweigh raw material properties in wild primates
Johanna Henke‐von der Malsburg, Jonathan S. Reeves, Tomos Proffitt, Tiago Falótico, Henrique P. Rufo, Lydia Verena Luncz
This study shows wild capuchin monkeys prioritize social cues over material properties when selecting tools for nut-cracking.
Proceedings of the Royal Society B Biological Sciences · Aug 5, 2026Peer-reviewedAnimal Behavior & Cognition