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 ...

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 ...

Faithful monkeys, it turns out, are rewarded with more babies—and a better chance of their genes carrying on into the future—than unfaithful ones. When owl monkeys break up, researchers found, the ...

A new virus was isolated from an uninoculated kidney-cell culture obtained from an apparently normal owl monkey. The virus satisfies the biological, physical, and chemical characteristics for ...