Three days before Mother’s Day, the Denver Zoo welcomed a baby mandrill into its primate troop — the first such birth since the zoo’s “mandrill baby boom” in 2003.

The Cercopithecine (or cheek-pouch) monkeys, are a subfamily of more than 70 different species, including baboons, macaques, and vervets. Most species are found in sub-Saharan Africa, but macaques are ...

Speeded-up X-ray footage then shows just how much food he can fit down the cheek pouches. "His pouches extend all the way to his hips," explains the narrator.

Wild baboons failed to demonstrate visual self-recognition in a test carried out by anthropologists. ... such as their ear or cheek. While sat in front of a mirror, ...

Incredible BBC footage shows how cavernous the rodents' cheek pouches are Get daily headlines and breaking news alerts for FREE by signing up to our newsletter We have more newsletters Get daily ...