In the wild, the white-headed capuchin can live in many different types of forest. They can eat many different types of food, like fruit, other plants, insects, and small vertebrates. It lives in troops (groups) that can have more than 20 animals, both males and females. It is noted for its tool use. They can rub plants over their fur in using herbal medicine. They can also use tools as weapons and for getting food. The monkey has a maximum recorded age of over 54 years.