Crowned Monkey

The crested mona monkey is a medium-sized, long tailed arboreal monkey. The females are smaller than the males but show similar colouration and pattern of coat. They have a brown coat speckled with grey which becomes black on its lower arms and legs and on the base of its long tail. The rump, belly and the insides of the legs are golden-yellow contrasting with the rest of the fur. The males have a distinctive blue scrotum. Their faces are mainly dark blue with a pink muzzle. Around the face the fur is yellow marked with a wide black stripes which runs from the beside the eyes over to the temples and across the centre of the forehead where it forms the characteristic small crest which gives this species its common name.

Western central Africa from the Cross River in Nigeria and southern Cameroon south to Cabinda, Angola, including Bioko Island, and east into the Central African Republic, eastern Congo and the northern Democratic Republic of Congo.