Callithrix penicillata

Status: Least concern

Range & Habitat
Tropical and subtropical forests of South America and in the forests and forest patches of Brazil's savannahs.

Reproduction & Growth
Their gestation period is 150-160 days. The male helps in carrying the young 7-10 days after birth. The young become independent in 2 1/2 months. The whole group takes part in carrying the young and surrendering food morsels to the baby, the breeding females and infant carriers.

Diet: Omnivore
In the wild: Tree sap, insects, spiders, fruit, flowers/nectar, small lizards, bird eggs, nestlings and frogs. In the Zoo: Bananas, apples, oranges, eggs, assorted greens, yams, monkey biscuits, grapes, assorted other fruits, Marmoset Diet, and insects.

General Information
They have non-opposable thumbs and nails that are claw-like, as well as acute eyesight, good hearing and good smell. They are diurnal and generally live in groups of 4-15 individuals, which may include mated polyandrous groups, (one female mates with multiple males), and their offspring. The most outstanding feature of marmoset behavior is nonmaternal infant care (also found in other callitrichid primates). Males and siblings are quick to assist mother marmosets with infant care; it appears that this help is necessary for infant survival. They are rare throughout their range. Slash and burn agriculture has destroyed much of their habitat.

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