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 ...

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.

In the alpine grasslands of eastern Africa, Ethiopian wolves and gelada monkeys are giving peace a chance. The geladas – a type of baboon – tolerate wolves wandering right through the middle of their ...

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 ...

Geladas (a male and female in the Simien Mountains) signal their status with the livid skin on their chests. Anup Shah and Fiona Rogers Geladas are isolated, oddball monkeys that science has largely ...

During a 10-year span, a team of primatologists witnessed 15 daytime births in wild gelada monkeys residing in the grasslands of high-altitude Ethiopia. It's unusual to witness daytime births. Most ...