Charles Darwin wrote that "no other member of the whole class of mammals is coloured in so extraordinary a manner as the adult male mandrill". If you've seen The Lion King you might remember the eccentric shaman Rafiki, a beautifully colored male mandrill. Want to learn how mandrills use color,...

While chimpanzees are getting into trouble, bonobos are getting it on. The aggressive, territorial chimpanzees and sexual, cooperative bonobos really represent two sides of the same coin and serve as models for both the positive and negative things that human societies are capable of. This...

Think primates are all sunshine and rainbows and cuddle piles? Think again. Chimpanzees, our closest living relatives, have an incredible capacity for cognition, culture, and calculated violence. They use tools, teach region-specific techniques to their children, follow strict social rules, and,...