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 ...

This Behind the Scenes article was provided to Live Science in partnership with the National Science Foundation. If there were a competition for “best father” in the animal kingdom, owl monkeys might ...

The wide-eyed, smiley-faced male Azara’s owl monkeys of Argentina are among the most faithful mates and best fathers in the world, according to a study that also found a strong link between fidelity ...

A new dataset of genetic information collected from 233 primate species, the largest and most complete of its kind, promises to yield insights into primates’ evolutionary biology and how genetics ...