Description of the Dutch Monkey Proboscis monkeys (Nasalis larvatus) or Dutch monkeys, are an endemic primate species of Borneo. Nasalis larvatus as its scientific name means long-nosed monkeys. The large and long nose of Proboscis is a very unique feature. This unique organ is the identification key of this species. Proboscis has a reddish brown color and gray limbs. In… Continue reading "Proboscys Monkey of Borneo"