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Animal Age

How old does a Proboscis monkey get? (age expectancy)

What is the maximal age a Proboscis monkey reaches?

An adult Proboscis monkey (Nasalis larvatus) usually gets as old as 21 years.

Proboscis monkeys are around 165 days in the womb of their mother. When born, they weight 450 grams (0.99 lbs) and measure 3 cm (0′ 2″). As a member of the Cercopithecidae family (genus: Nasalis), their offspring is 1 babies per pregnancy. Fully grown, they reach a bodylength of 64.7 cm (2′ 2″).

As a reference: Usually, humans get as old as 100 years, with the average being around 75 years. After being carried in the belly of their mother for 280 days (40 weeks), they grow to an average size of 1.65m (5′ 5″) and weight in at 62 kg (137 lbs), which is obviously highly individual.

A Proboscis monkey gets as old as 21 years

The proboscis monkey (Nasalis larvatus) or long-nosed monkey, known as the bekantan in Indonesia, is an arboreal Old World monkey with an unusually large nose, a reddish-brown skin color and a long tail. It is endemic to the southeast Asian island of Borneo and is found mostly in mangrove forests and on the coastal areas of the island.This species co-exists with the Bornean orangutan. It belongs in the monotypic genus Nasalis.

Animals of the same family as a Proboscis monkey

Not really brothers and sisters, but from the same biological family (Cercopithecidae):

Animals that reach the same age as Proboscis monkey

With an average age of 21 years, Proboscis monkey are in good companionship of the following animals:

Animals with the same number of babies Proboscis monkey

The same number of babies at once (1) are born by:

Weighting as much as Proboscis monkey

A fully grown Proboscis monkey reaches around 12.28 kg (27.08 lbs). So do these animals:

Animals as big as a Proboscis monkey

Those animals grow as big as a Proboscis monkey: