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. ...

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 ...

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 ...

Get unlimited access to ad-free articles and exclusive content. LiveScience Between secret rendezvous, deleted messages and outright lies, people will go to great lengths to cover up unfaithful acts.

Left: a gelada male attacks two females, who respond with screams and bared-teeth facial expressions. Right: one of the study subjects, feeding, is about to receive the audio stimulus; the ...

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 ...

It looks like this monkey has a had a few too many late nights as she yawns in front of visitors of a zoo in New York. Alan Shapiro, 50, captured this stunning image of a captive gelada baboon ...

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 ...

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 ...

With regal manes, hairless scarlet chest patches, and intimidating canines jutting from their mouths like scythes, it would be easy to think gelada monkeys were the rulers of their mountain domains.

Female geladas, an African baboon, will pretend to be fertile and have sex with males to prevent attacks on their young. The deception is not just behavioral – the mothers experience estrogen surges ...