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.
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):
- King colobus becoming 30.5 years old
- Preuss’s red colobus with 1 babies per pregnancy
- Angolan talapoin becoming 30.83 years old
- Dryas monkey with 1 babies per pregnancy
- Mantled guereza becoming 24.5 years old
- Pygathrix bieti growing to a mass of 11 kgs (24.25 lbs)
- Patas monkey becoming 23.83 years old
- François’ langur with 1 babies per pregnancy
- Olive colobus with 1 babies per pregnancy
- Blue monkey becoming 27.08 years old
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:
- Roan antelope usually reaching 20 years
- Northern greater galago usually reaching 17 years
- Margay usually reaching 20 years
- Bontebok usually reaching 21.67 years
- Aye-aye usually reaching 24.25 years
- Springbok usually reaching 20 years
- Lesser kudu usually reaching 18.92 years
- Venezuelan red howler usually reaching 25 years
- Patas monkey usually reaching 23.83 years
- Egyptian fruit bat usually reaching 22.83 years
Animals with the same number of babies Proboscis monkey
The same number of babies at once (1) are born by:
- Lowlands tree-kangaroo
- Granada hare
- Black-mantled tamarin
- Brown woolly monkey
- Mexican free-tailed bat
- Black-winged little yellow bat
- Thomas’s sac-winged bat
- Mountain zebra
- Chacma baboon
- Black-bearded tomb bat
Weighting as much as Proboscis monkey
A fully grown Proboscis monkey reaches around 12.28 kg (27.08 lbs). So do these animals:
- Caracal weighting 11.98 kilos (26.41 lbs) on average
- Golden snub-nosed monkey weighting 13.5 kilos (29.76 lbs) on average
- Bennett’s tree-kangaroo weighting 10.48 kilos (23.1 lbs) on average
- Ocelot weighting 11.89 kilos (26.21 lbs) on average
- Serval weighting 11.9 kilos (26.23 lbs) on average
- African golden cat weighting 11.29 kilos (24.89 lbs) on average
- Siberian musk deer weighting 13.31 kilos (29.34 lbs) on average
- Siamang weighting 10.84 kilos (23.9 lbs) on average
- Water deer weighting 12.73 kilos (28.06 lbs) on average
- Black-striped wallaby weighting 11.23 kilos (24.76 lbs) on average
Animals as big as a Proboscis monkey
Those animals grow as big as a Proboscis monkey:
- Tibetan macaque with 60 cm (2′ 0″)
- Yellow-tailed woolly monkey with 55 cm (1′ 10″)
- Yellow-tailed woolly monkey with 55.1 cm (1′ 10″)
- Gee’s golden langur with 60.5 cm (2′ 0″)
- Preuss’s monkey with 54.5 cm (1′ 10″)
- Dusky pademelon with 54.5 cm (1′ 10″)
- Matschie’s tree-kangaroo with 53.8 cm (1′ 10″)
- Tibetan sand fox with 60.2 cm (2′ 0″)
- Maned sloth with 54.9 cm (1′ 10″)
- Western red colobus with 57.4 cm (1′ 11″)