It is hard to guess what a Javan surili weights. But we have the answer:
An adult Javan surili (Presbytis comata) on average weights 6.57 kg (14.49 lbs).
The Javan surili is from the family Cercopithecidae (genus: Presbytis). When reaching adult age, they grow up to 51 cm (1′ 9″). Usually, Javan surilis have 1 babies per litter.
As a reference: An average human weights in at 62 kg (137 lbs) and reaches an average size of 1.65m (5′ 5″). Humans spend 280 days (40 weeks) in the womb of their mother and reach around 75 years of age.
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.
Animals of the same family as a Javan surili
We found other animals of the Cercopithecidae family:
- Dent’s mona monkey with 1 babies per litter
- Sclater’s guenon bringing 3.07 kilos (6.77 lbs) to the scale
- Black-shanked douc bringing 10.33 kilos (22.77 lbs) to the scale
- Black-footed gray langur bringing 10.03 kilos (22.11 lbs) to the scale
- Yellow baboon bringing 15.82 kilos (34.88 lbs) to the scale
- Dryas monkey bringing 2.78 kilos (6.13 lbs) to the scale
- Stump-tailed macaque bringing 9.38 kilos (20.68 lbs) to the scale
- Black snub-nosed monkey bringing 11 kilos (24.25 lbs) to the scale
- Pygathrix bieti bringing 11 kilos (24.25 lbs) to the scale
- Capped langur bringing 11.21 kilos (24.71 lbs) to the scale
Animals with the same weight as a Javan surili
As a comparison, here are some other animals that weight as much as the Presbytis comata:
- Crab-eating fox with a weight of 5.74 kilos (12.65 lbs)
- White-bellied spider monkey with a weight of 6.71 kilos (14.79 lbs)
- Guatemalan black howler with a weight of 7.19 kilos (15.85 lbs)
- Mantled howler with a weight of 6.58 kilos (14.51 lbs)
- Neotropical otter with a weight of 6.55 kilos (14.44 lbs)
- Proserpine rock-wallaby with a weight of 5.6 kilos (12.35 lbs)
- Silvery lutung with a weight of 7.15 kilos (15.76 lbs)
- Malayan civet with a weight of 7.35 kilos (16.2 lbs)
- Tana River mangabey with a weight of 7.08 kilos (15.61 lbs)
- Lumholtz’s tree-kangaroo with a weight of 6.65 kilos (14.66 lbs)
Animals with the same size as a Javan surili
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Javan surili:
- Coypu with a size of 52.1 cm (1′ 9″)
- Mantled howler with a size of 57.7 cm (1′ 11″)
- Alpine woolly rat with a size of 44.2 cm (1′ 6″)
- Eastern falanouc with a size of 54.9 cm (1′ 10″)
- Spotted-necked otter with a size of 59.7 cm (2′ 0″)
- Common brushtail possum with a size of 47.4 cm (1′ 7″)
- Maroon leaf monkey with a size of 49.9 cm (1′ 8″)
- Stein’s cuscus with a size of 42.4 cm (1′ 5″)
- Alaskan hare with a size of 57.6 cm (1′ 11″)
- Lowlands tree-kangaroo with a size of 60.3 cm (2′ 0″)
Animals with the same litter size as a Javan surili
Here is a list of animals that have the same number of babies per litter (1) as a Javan surili: