Litter Size

How many babies does a Proboscis monkey have at once? (litter size)

How many baby Proboscis monkeys are in a litter?

A Proboscis monkey (Nasalis larvatus) usually gives birth to around 1 babies.

Each of those little ones spend around 165 days as a fetus before they are released into the wild. Upon birth, they weight 450 grams (0.99 lbs) and measure 3 cm (0′ 2″). They are a member of the Cercopithecidae family (genus: Nasalis). An adult Proboscis monkey grows up to a size of 64.7 cm (2′ 2″).

To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.

The average litter size of a Proboscis monkey is 1

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.

Other animals of the family Cercopithecidae

Proboscis monkey is a member of the Cercopithecidae, as are these animals:

Animals that share a litter size with Proboscis monkey

Those animals also give birth to 1 babies at once:

Animals that get as old as a Proboscis monkey

Other animals that usually reach the age of 21 years:

Animals with the same weight as a Proboscis monkey

What other animals weight around 12.28 kg (27.08 lbs)?

Animals with the same size as a Proboscis monkey

Also reaching around 64.7 cm (2′ 2″) in size do these animals: