Male monkeys go rouge for mating season

snub-nosed monkey

Male black-and-white snub-nosed monkeys have notoriously voluminous lips, and new research shows that in males that live and mate with groups of females, their lip color actually changes to a brighter red during mating season.


This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Animals

From the Nature Index

Paid Content