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 ...

Gelada baboons (Theropithecus gelada) live in small units, which consist of up to a dozen females, a few subordinate males and a dominant male, who holds exclusive reproductive rights to the females.

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 ...

There are always surprises looming in the study of animal behavior. Just this week I learned that rare and critically endangered Ethiopian wolves living in the alpine grasslands form a pact with ...

If a gelada queen doubts her king's influence, she'll happily play the field. But when she gets caught, it's up to the alpha to fight for what's his. The Incredible Flying Car of the 1950s ...

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 ...

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 ...

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 ...