Over 30 million years ago, monkeys crossed the Atlantic on rafts. Researchers believe they made the 1,000-mile journey on ...

Howlers are New World monkeys found in tropical Central and South America. They are aptly named for their cacophonous cries. When a number of howlers let loose their lungs in concert, often at ...

Africa and South America, monkeys can be difficult to spot. They’re quick and frequently small, seeming to effortlessly hop from branch to branch in the canopies of jungles. They have common ...

Marmosets and tamarins are small (250-500 g) South American monkeys of the family Callitrichidae. They are forest living species with squirrel-like locomotion and, unlike typical monkeys, most of the ...