Learn more about these big-nosed monkeys. Find out why scientists think these primates have such outsized organs.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Primates have larger brains ...

Researchers observed female howler monkeys eating more flowers after they had given birth.

Some monkey species have unique mating habits that make it difficult to know which monkey fathered a specific infant. However, studies have shown that even if a young monkey doesn’t know who its ...