Evolutionary Biology

Urine Washing and Sniffing in Wild White-Faced Capuchins (Cebus capucinus): Testing Functional Hypotheses

Urine washing (UW) is taxonomically widespread among strepsirhines and platyrrhines, yet its functional significance is still unclear. We used 2274 h of focal follows of 35 adult and subadult wild white-faced capuchins _(Cebus capucinus)_ to test 1) …