There comes a point in the lives of young owl monkeys when they leave their parents and strike out on their own to find a mate. In a new study of a wild population of Azara’s owl monkeys in northern ...

Mother and infant owl monkeys (painting photographed by Lu Yao). Source: Original painting by Anne-Elise Martin Alarming report from a primate centre Reviewing abnormal sperms in human ejaculates for ...

For owl monkeys, it pays to be faithful. Monkeys that stick with their primary mate produce more children than those who wind up with another monkey, new research finds. The results suggest that the ...

An infant owl monkey rides securely on the back of its biological father. A Penn study showed that owl monkeys are faithful mates, and that intensive parenting by the biological father likely plays a ...

There comes a point in the lives of young owl monkeys when they leave their parents and strike out on their own to find a mate. In a new study of a wild population of Azara’s owl monkeys in northern ...