Dictionary of Human Evolution and Biology

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Pithecia Desmarest, 1804

Platyrrhine genus to which the sakis belong; five recognized species. Wide distribution in the tropical rain forest of the Amazon basin. Arboreal; diurnal; locomotion is quadrupedalism with leaping. Body mass ranges from 700 to 2800 g. Natural history poorly known. Dental formula: 2.1.3.3; frugivorous with insect, leaves, and seed supplements; also consume small birds and mammals; have been observed to go into tree hollows to capture bats, which they tear apart before eating. Reported to live in monogamous groups that undergo fission with a larger aggregation of such groups.

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