The grunts, moans and wobbles of gelada monkeys, a chatty species residing in Ethiopia’s northern highlands, observe a universal mathematical principle seen until now only in human language. The new ...

The gelada monkey, also known as the bleeding heart baboon, makes a gurgling noise or wobble sound that scientists say is close to human speech — at least in how much facial coordination it requires. ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

In nature, it is not usual for animals to be deceptive, as evolution has typically favored communication that benefits both the sender and receiver by conveying reliable information. But, there are ...

Humans, along with most other vertebrates, yawn. It's likely an ancient behavior with some adaptive advantages. Although we most often associate yawning with boredom or sleepiness, it may serve more ...

Between secret rendezvous, deleted messages and outright lies, people will go to great lengths to cover up unfaithful acts. But it now seems we aren't unique in our deception — gelada baboons also ...

For a brief second, a young gelada female interrupts her foraging to stare into the camera. These Ethiopian monkeys have to eat throughout the day to obtain enough nutrients from their primary food ...

The Bronx Zoo is the only Zoo in the country that exhibits gelada or "bleeding heart" baboons, and this little guy is the first one to make a public debut since 2002. Weighing in at a whopping 460 ...

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 ...

Research published in the Feb. 24, 2012, issue of the journal Science suggests that when male gelada monkeys take over a reproductive group, the pregnant monkeys in the group spontaneously miscarry.

It is of a young male gelada baboon (Theropithecus gelada) that came down to the moat to drink. He had just been involved in a major altercation. The entire troop went running after another young male ...