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Last updated on April 24, 2014 at 12:48 EDT

Three-striped Night Monkey

The Three-striped Night Monkey, Aotus trivirgatus, also known as Northern Night Monkey or Northern Owl Monkey, is one of several species of owl monkeys currently recognized. It is found in Venezuela and north-central Brazil. Like other owl monkeys, the Three-striped Night Monkey lives in woodlands including rain forest.

It is mainly black, with striking white markings on its face. Its body size is 10.6 to 18.9 inches, and its tail is about the same length again. Adults weigh up to 36 ounces. It has very large eyes, and is most active on moonlit nights, feeding on fruit, nuts, leaves, insects and other small invertebrates, and birds’ eggs.

This breed forms pair bonds which are broken only by the death of one partner. It lives in family groups, with the immature young staying with their parents until sexual maturity at the age of 3 or 4. Normally only one infant is born, after a gestation period of a little over 4 months.

Three-striped Night Monkey