They are called the highest order of animal on the planet. Primates, with their big brains, are smart and adaptable. They use tools, self medicate, hunt and swim. They are social and political, form hierarchies and friendships, and can be very mischievous. Get to know the many species of primates, from the familiar chimpanzee and gorilla, to the more obscure species such as the owl monkey, the slender loris, the drill and many more.