The Moustached Monkeys or Guenons have a very colorful face.
They live in forest near river, they stay between 5 and 12 m and cannot be seen from raptors.Their tail is longer than their body and is non-prehensile.
They are mostly vegetarian and frugivorous.
Females live in small groups guided by an old male . There are also groups of only males.
They communicate by signs and attitudes between themselves and other species.