These Monkeys Always Give Birth to Twins – How Do They Do It?

Unlike all other primates, clawed New World Monkeys almost always give birth to twins. But why? It turns out these animals have a unique set of adaptations that make it possible — and could prove useful to humans as well. » 12/31/13 7:30am 12/31/13 7:30am

Monkeys want to fit in just as much as humans do

» 4/28/13 11:00am 4/28/13 11:00am

Humans are known to change their behavior to fit in — particularly when interacting with an unfamiliar culture — but it wasn't known whether this fickleness was an evolved survival instinct or one of the quirky byproducts of our intelligence. Well, based on the behavior of male vervet monkeys, it appears the tendency … » 4/28/13 11:00am 4/28/13 11:00am

Gelada monkey's yodel-like gurgling could reveal origins of human speech

As a group, primates aren't really known for their ability to create vocalizations, or sophisticated or complex sounds with their mouths. Yes, we humans have shown some talent in that area — what with the whole development of language and all that — but most apes and monkeys are unable to generate anything but the most … » 4/14/13 1:00pm 4/14/13 1:00pm

Monkeys of various ranks like to have sex with each other — but only…

» 10/31/12 1:13pm 10/31/12 1:13pm

Life is tough for male and female macaques monkeys - especially when they're horny. Like many primate species, their sex life is right out there in the open for everyone to see, including alpha males and alpha females who do their darndest to prevent low ranking monkeys from having sex with each other. And indeed, as … » 10/31/12 1:13pm 10/31/12 1:13pm