Violeta the baby spider monkey is beginning a new chapter at the Oakland Zoo after she was rescued by authorities during a ...

Capuchins are also known for developing odd social rituals across their range. Scientists studying mainland populations have ...

A capuchin named Joker started the apparent trend, leading researchers to suspect "there was something a little quirky about ...

Plus, researchers could hear adult howler monkeys calling back and forth with the infants, who would sometimes try to crawl ...

The monkeys' motivations remain under investigation. Capuchins are house cat-size monkeys found in South America and Central ...

A baby spider monkey is starting a new chapter at the Oakland Zoo after she was rescued by authorities during a methamphetamine bust in Solano County earlier this month. On May 6, Solano County ...