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 ...

Amongst the high mountain meadows and grasslands of the Ethiopian plateau stands one primate, the gelada–the "bleeding heart" monkey named for its brilliant red chest. Geladas are the last of their ...

With their bright red, hairless chests and grass-grazing lifestyle, gelada monkeys are quite unusual. They are the only primate, other than humans, to primarily live on land instead of in trees, and a ...

This video explores a troop of Gelada monkeys in the Simien Mountains of Ethiopia, one of the most socially complex primate species in Africa. Unlike many monkeys that spend much of their time in ...

The ability to mimic the facial expressions of others is thought to be linked to empathy. It's known that humans and orangutans "ape" each other in this way, but gelada monkeys appear to do it too, a ...

RFM during a play session between an adult (left) and a juvenile gelada (right). Credit: P.F. Ferrari Don't be fooled by those impressive teeth. These two gelada monkeys (Theropithecus gelada) are ...

PHOENIX (AZFamily)—Ethiopia’s Simien Mountains National Park is the only place in the world where the rare, endangered gelada monkey lives. These “bleeding-heart” monkeys face a plastic problem from ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Go to Ethiopia, venture north from the ...

When a new male gelada monkey takes control of a reproductive group, he will typically kill off the babies of his predecessor. Now, new research shows that pregnant females have an adaptive strategy ...

An international research team has put together the first gelada reference genome, assembled from a single wild adult female gelada from the Simien Mountains, Ethiopia. They combined it with a ...