How many baby Javan surilis are in a litter?
A Javan surili (Presbytis comata) usually gives birth to around 1 babies.
Upon birth, they weight 2 grams (0 lbs) and measure 18.3 cm (0′ 8″). They are a member of the Cercopithecidae family (genus: Presbytis). An adult Javan surili grows up to a size of 51 cm (1′ 9″).
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 Javan surili (Presbytis comata) is an endangered species of Old World monkey endemic to the western half of Java, Indonesia, a biodiversity hotspot. Other common names by which it is known by include gray, grizzled or Sunda Island surili; grizzled or stripe-crested langur; Javan grizzled langur; grizzled, Java or Javan leaf monkey; langur gris.There are two subspecies of the Javan surili:Presbytis comata comata – Occurs in western JavaPresbytis comata fredericae – Occurs in central JavaThis colobine species has a sacculated stomach to assist the breakdown in the cellulose from the leaves it feeds on. It has a small, slender face and tail, and large round stomachs. Its coloring ranges from dark gray to white. Leaf monkeys tend to be active during the day, spending up to 5 hours grooming themselves.
Other animals of the family Cercopithecidae
Javan surili is a member of the Cercopithecidae, as are these animals:
- Grey-cheeked mangabey with 1 babies per pregnancy
- Zanzibar red colobus with 1 babies per pregnancy
- Nilgiri langur with 1 babies per pregnancy
- Pagai Island macaque with 1 babies per pregnancy
- Sykes’ monkey with 1 babies per pregnancy
- Thollon’s red colobus raching a size of 57 cm (1′ 11″)
- White-fronted surili weighting around 6.12 kilograms (13.49 lbs)
- Barbary macaque with 1 babies per pregnancy
- Tana River red colobus with 1 babies per pregnancy
- Red-tailed monkey with 1 babies per pregnancy
Animals that share a litter size with Javan surili
Those animals also give birth to 1 babies at once:
- Black-eared flying fox
- Serotine bat
- Micronomus
- Verreaux’s sifaka
- Brush-tailed rock-wallaby
- African palm civet
- Bald uakari
- Rock-haunting ringtail possum
- Four-striped ground squirrel
- White-striped dorcopsis
Animals with the same weight as a Javan surili
What other animals weight around 6.57 kg (14.49 lbs)?
- Zanzibar red colobus usually reaching 7.16 kgs (15.79 lbs)
- Guatemalan black howler usually reaching 7.19 kgs (15.85 lbs)
- White-cheeked spider monkey usually reaching 6.24 kgs (13.76 lbs)
- Northern white-cheeked gibbon usually reaching 7.32 kgs (16.14 lbs)
- Maroon leaf monkey usually reaching 6.37 kgs (14.04 lbs)
- Red-necked pademelon usually reaching 5.4 kgs (11.9 lbs)
- Pig-tailed langur usually reaching 7.39 kgs (16.29 lbs)
- Northern nail-tail wallaby usually reaching 6.5 kgs (14.33 lbs)
- Silvery lutung usually reaching 7.15 kgs (15.76 lbs)
- Hose’s langur usually reaching 6.29 kgs (13.87 lbs)
Animals with the same size as a Javan surili
Also reaching around 51 cm (1′ 9″) in size do these animals:
- Woolly hare gets as big as 46.5 cm (1′ 7″)
- Bay cat gets as big as 55 cm (1′ 10″)
- Bonnet macaque gets as big as 47.5 cm (1′ 7″)
- Royal antelope gets as big as 49.9 cm (1′ 8″)
- Amami rabbit gets as big as 44.4 cm (1′ 6″)
- Andean mountain cat gets as big as 59.9 cm (2′ 0″)
- Crab-eating mongoose gets as big as 50.8 cm (1′ 8″)
- Grey-cheeked mangabey gets as big as 51.9 cm (1′ 9″)
- Subalpine woolly rat gets as big as 41.7 cm (1′ 5″)
- Southern river otter gets as big as 59 cm (2′ 0″)