In 2008, research student Javier Garcia, a Caquetá native, was able to make an extensive survey of the region and discovered 13 populations of the Caquetá titi monkeys there.

The titi monkeys at the Lincoln Park Zoo can often be seen sitting close together on the same branch with their tails intertwined, the zoo points out. More from CBS News ...

Bolivian gray titi monkeys (also called white-eared titi monkeys) in the wild live only in tropical forests in central Bolivia. The tiny monkeys weigh only about 2 to 3 pounds when fully grown.

Just one day after the horrific incident in Ohio, where 49 exotic animals were killed, the Lincoln Park Zoo has announced a reason to celebrate. This past Monday, October 17, the zoo welcomed a ...

Unlike most primates, Caquetá titi monkeys (and probably all titi monkeys) form life-long, monogamous relationships, and pairs are often seen sitting on a branch with their tails entwined. They ...

A rare Bolivian gray titi monkey was born this week at Lincoln Park Zoo, officials said Thursday. It is one of only about 50 individuals of this species in an accredited zoo. The new arrival, whose… ...

The newly discovered Urubamba brown titi monkey (Image: Proyecto Mono Tocón) A new species of monkey has been discovered on an expedition to the remote Urubamba river in Amazonian Peru. It ...

Titi monkeys are a group of fluffy New World monkeys found across South America. They are fairly small and equipped with a very long tail to help them balance in the tree canopy.

The females were placed with a stranger male monkey in full view of their partner while the researchers filmed the behavior of the male partner for 30 minutes. When a titi monkey is feeling jealous it ...

He suspected that it was a titi monkey, a primate group common to South America that live in trees and grow to between nine and 18 inches. But he didn’t recognize his specimen as one of the over ...

Delasol, a 33-year-old Bolivian gray titi monkey who mothered many infants at Lincoln Park Zoo, has died. She died Tuesday after her geriatric health issues worsened in recent weeks, leading zoo ...