The Ministry of Health advises that, through laboratory testing, Yellow Fever has been confirmed in a deceased Red Howler ...

Fossils show that howler monkey ancestors, Stirtonia victoriae, were eating leaves 13 million years ago, altering body size ...

An extinct relative of the howler monkey may have been the first leaf-eating primate in South and Central America ...

Thirteen million years ago, a group of medium-sized monkeys known for guarding their territory among the treetops with fearsome "howls" started doing something new. These monkeys, among the oldest ...

Watch a playful howler monkey insist on attention and affection in a funny encounter.

Key Facts 13.3-million–13.6 million-year-old fossils from an extinct relative of the howler monkey show signs of being the ...

A playful howler monkey seeks attention and affection, highlighting the gentle and social side of these lively primates.

From the eerie croak of a tropical frog to the haunting call of the howler monkey, the animal kingdom is filled with some ...

Planning a Costa Rica getaway on a budget? These all-inclusive stays under $250 a night offer beachfront access, meals, and ...

Recent research indicates a link between an animal’s gut bacteria and brain function. This may be true in humans, too.

In the kitchen of UC Davis Professor Emerita Sarah Blaffer Hrdy, overlooking a long dining table, hangs a painting by artist Isabella Kirkland.