Goeldi's Marmoset (Callimico goeldii)

The Goeldi's Marmoset

The Goeldi's Marmoset was discovered by Thomas in 1904. It inhabits Bolivia, Brazil, Colombia and Peru. It is currently (2003) listed as vulnerable. It is also known as Goeldi's Monkey. In Spanish it is known as Supay Pichico or Chichico Diablo. Portuguese knows them as Calimmico or Mico-de-Goeldi.

It is a tree-dwelling (arboreal) primate around the same size as other marmosets and tamarins, but considered much more primitive. This is due to the fact that it has a third molar tooth, and does not produce twins.

They have blackish or dark brown dense thick hair covering their bodies. Their skin is white or pink, but covered in the dense hair. Their faces, hands and feet however are black in colour. The males weigh approximately 366 grams and the females 355 grams (Encarnacion and Heymann, 1998).

They feed on a variety of foods. Primarily they feed on fruits and berries, but also feed on small insects such as spiders, moths and grasshoppers. Although they are an aboreal species, they will often jump to the ground to feed on insects if spotted from the trees.

They live together in groups ranging between 5 to 8 marmosets on average.  They move about quadrupedally on the forest floor, and they can also leap from tree to tree covering 6 to 8 metres in each leap. They have a number of vocal calls, ranging from whistles, to screams to chatters.

The gestation period for the Goeldi's Marmoset is 145 to 152 days. 

They are pale brown to grey in colour. 

The Southern Bahian Masked Titi is a frugivorous species, thus primarily feeding on fruit. They have also been reported to feed on insects and leaves. They are arboreal meaning they rarely travel to the forest floor.

They have a monogamous mating system, and will live throughout their life with the partner and any offspring. They give birth from August through October.

It is also referred to as the Southern Bahia Masked Titi, or the Southern Masked Titi.

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