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Other names: uacari; C. While some authors list several additional subspecies of uakari, as per Groves , only four subspecies of C. Some authors also elevate the two subspecies of C. In , two additional species of uakari, C. The common and generic names of the uakari species likely have their origin in indigenous Amazonian languages Barnett The muzzle is broad Hershkovitz The main distinguishing characteristics between the two species of uakari are the head and the pelage.
The C. The profound lack or near lack of pigment in the face and head of C. The face of C. The pelage of C.
Barnett pers. The color differences between populations can be arranged on a geographic continuum; that is, they grade from one to another by location Barnett This is well exhibited in C. The ventrum is nearly bare Barnett In both species, the fur on the shoulders and anterior back is long, shortening by the midback, and in C.
Based on very small samples, male C. Less frequently, arm-swinging is used, and on rare occasions, bipedal movement is seen Boubli a. While feeding, uakaris usually sit and while resting they will either sit or lie on their belly Walker Uakaris are capable of swimming Barnett Uakaris seasonally forage on the ground Ayres ; Barnett For C.
