Suborder: Platyrrhini | Superfamily: Ceboidea | Family: Cebidae | Subfamily: Pitheciinae

The Pitheciinae subfamily is made up of sakis and uacaris. Though these two groups look different, they have similar diets of seeds, fruits, and hard nuts and similar dentition to process these foods. All members of the Pitheciinae subfamily are quadrupedal?, diurnal?, and arboreal?. Sakis are divided into sakis and bearded sakis and, as the name implies, bearded sakis can be distinguished by the thick growth of hair on their chin. Saki monkeys are excellent leapers and live in the understory? of the forest while bearded sakis live in the canopy?.

Bald uacaris are easily recognized since not only are their faces bald but also bright red. The healthier a bald uacari is, the redder his face. Black-headed uacaris are similar in shape and size to bald uacaris, but they have hair on the top of their head and their faces are black. Uacaris live in the understory? of the forest.

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