P rimates are a group of mammals that includes humans and our close relatives, such as apes, monkeys and lemurs. Monkeys, ...

That doesn’t make them bad animals; it’s just in their nature. All types of monkeys are a lot of work, and if you aren’t ...

Kristen Nordlund, a spokesperson with the federal Centers for Disease Control and Prevention, said in an email Saturday evening that all 100 of the cynomolgus macaque monkeys had since been ...

New World monkeys, whose range stretches from Mexico to Argentina, were found to have evolved the largest vocal membranes of all the primates. As a result, the New World Monkeys are "ultra ...

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 all have round heads that are darker than their bodies—and, in the case of the gray and yellow-tailed monkeys, they also have large, dark eyes and expressive faces. Woolly monkeys have long ...