The proboscis monkey mating ritual is really romantic

Male proboscis monkeys will reach maturity at around 4-5 years and females at four years. At that time they were around 20 years old. Proboscis monkeys are a type of long-nosed monkey with reddish-brown hair and are one of two species in the genus Nasalis. The proboscis monkey is an endemic animal to the island of Kalimantan which is distributed in mangrove forests, swamps and coastal forests