Social evaluation of skilfulness in Tonkean macaques (Macaca tonkeana) and brown capuchins (Sapajus apella)
Marie Hirel, Michele Marziliano, Hélène Meunier, Hannes Rakoczy B, Julia Fischer, Stefanie Keupp
This study examines whether Tonkean macaques and brown capuchins can evaluate others' skilfulness by observing human actors opening food containers, finding they use social information about skill in their decisions.
Animal Cognition · Jan 14, 2026Peer-reviewedAnimal Behavior & Cognition