Here you will learn about some of these incredible animals. These are the 10 largest monkeys in the world based on maximum weight. The gelada, sometimes called the bleeding-heart monkey ...

The noise sends a clear message to other monkeys: This territory is already occupied by a troop. These vocal primates are the biggest of all the New World monkeys. Unlike Old World monkeys ...

They are the world's largest group of nonhuman primates and include a diverse range of species. Here are some fun facts about monkeys that make them endearing to humans. Robert Sapolsky ...