How big does a Proboscis monkey get? Here is an overview over the average adult age:
A grown Proboscis monkey (Nasalis larvatus) reaches an average size of 64.7 cm (2′ 2″).
When born, they have an average size of 0 cm (0′ 0″). During their lifetime of about 21 years, they grow from 450 grams (0.99 lbs) to 12.28 kg (27.08 lbs). A Proboscis monkey has 1 babies at once. The Proboscis monkey (genus: Nasalis) is a member of the family Cercopithecidae.
As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.
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
We found other animals of the Cercopithecidae family:
- Japanese macaque with a size of 82.7 cm (2′ 9″)
- Barbary macaque with a size of 54.9 cm (1′ 10″)
- White-fronted surili with a size of 51 cm (1′ 9″)
- Black-crested Sumatran langur with a size of 50.4 cm (1′ 8″)
- Yellow baboon with 1 babies per litter
- Hamlyn’s monkey with a size of 28 cm (1′ 0″)
- Angola colobus with a size of 56.5 cm (1′ 11″)
- Purple-faced langur with a size of 58.5 cm (2′ 0″)
- Black-shanked douc with a size of 60.9 cm (2′ 0″)
- Ursine colobus with a size of 63.5 cm (2′ 1″)
Animals with the same size as a Proboscis monkey
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Proboscis monkey:
- Spotted-necked otter with a size of 59.7 cm (2′ 0″)
- Pygmy hog with a size of 59.9 cm (2′ 0″)
- Gray dorcopsis with a size of 66.4 cm (2′ 3″)
- Barbary macaque with a size of 54.9 cm (1′ 10″)
- Sulawesi palm civet with a size of 68.9 cm (2′ 4″)
- Western red colobus with a size of 57.4 cm (1′ 11″)
- Black-and-white ruffed lemur with a size of 54.7 cm (1′ 10″)
- Indri with a size of 73.4 cm (2′ 5″)
- Tana River red colobus with a size of 56 cm (1′ 11″)
- Black-footed mongoose with a size of 61.3 cm (2′ 1″)
Animals with the same litter size as a Proboscis monkey
Here is a list of animals that have the same number of babies per litter (1) as a Proboscis monkey:
- Western red colobus
- Anoa
- Oecomys concolor
- Black-striped wallaby
- Sharpe’s grysbok
- Insular single leaf bat
- Short-eared rock-wallaby
- Aders’s duiker
- Taiwan vole
- Desert long-eared bat
Animals with the same life expectancy as a Proboscis monkey
Completely different animals, but becoming as old as a Proboscis monkey:
- South American sea lion with an average maximal age of 24.75 years
- Fallow deer with an average maximal age of 25 years
- Purple-faced langur with an average maximal age of 23 years
- Gemsbok with an average maximal age of 20 years
- Common tsessebe with an average maximal age of 18 years
- Himalayan goral with an average maximal age of 17.58 years
- Lesser mouse-eared bat with an average maximal age of 19.75 years
- Pygmy sperm whale with an average maximal age of 17 years
- Finless porpoise with an average maximal age of 23 years
- Monk saki with an average maximal age of 24.58 years
Animals with the same weight as a Proboscis monkey
As a comparison, here are some other animals that weight as much as the Nasalis larvatus:
- Mantled guereza with a weight of 9.96 kilos (21.96 lbs)
- Sulawesi bear cuscus with a weight of 10 kilos (22.05 lbs)
- Grizzled tree-kangaroo with a weight of 12.61 kilos (27.8 lbs)
- Crested porcupine with a weight of 13.4 kilos (29.54 lbs)
- Dwarf musk deer with a weight of 12.39 kilos (27.32 lbs)
- European badger with a weight of 11.89 kilos (26.21 lbs)
- Gray snub-nosed monkey with a weight of 12.27 kilos (27.05 lbs)
- Pennant’s colobus with a weight of 10.9 kilos (24.03 lbs)
- Southern muriqui with a weight of 10.57 kilos (23.3 lbs)
- Gray snub-nosed monkey with a weight of 12.3 kilos (27.12 lbs)