It is hard to guess what a Thomas’s langur weights. But we have the answer:
An adult Thomas’s langur (Presbytis thomasi) on average weights 6.69 kg (14.75 lbs).
The Thomas’s langur is from the family Cercopithecidae (genus: Presbytis). When reaching adult age, they grow up to 49.9 cm (1′ 8″).
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 Thomas’s langur (Presbytis thomasi) is a species of primate in the family Cercopithecidae. It is endemic to northern Sumatra, Indonesia. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss. Its native names are reungkah in Acehnese and kedih in Alas.
Animals of the same family as a Thomas’s langur
We found other animals of the Cercopithecidae family:
- Purple-faced langur bringing 7.53 kilos (16.6 lbs) to the scale
- Moor macaque bringing 7.29 kilos (16.07 lbs) to the scale
- Tonkin snub-nosed monkey bringing 9.12 kilos (20.11 lbs) to the scale
- Ursine colobus bringing 7.7 kilos (16.98 lbs) to the scale
- Red-eared guenon bringing 3.25 kilos (7.17 lbs) to the scale
- Delacour’s langur with a size of 57.7 cm (1′ 11″)
- Celebes crested macaque bringing 7.37 kilos (16.25 lbs) to the scale
- Dryas monkey bringing 2.78 kilos (6.13 lbs) to the scale
- Golden snub-nosed monkey bringing 13.46 kilos (29.67 lbs) to the scale
- Angola colobus bringing 8.99 kilos (19.82 lbs) to the scale
Animals with the same weight as a Thomas’s langur
As a comparison, here are some other animals that weight as much as the Presbytis thomasi:
- Hoolock gibbon with a weight of 6.7 kilos (14.77 lbs)
- Ursine colobus with a weight of 7.7 kilos (16.98 lbs)
- Neotropical otter with a weight of 6.55 kilos (14.44 lbs)
- Lion-tailed macaque with a weight of 6 kilos (13.23 lbs)
- Celebes crested macaque with a weight of 7.37 kilos (16.25 lbs)
- Mantled howler with a weight of 6.58 kilos (14.51 lbs)
- Tana River mangabey with a weight of 7.08 kilos (15.61 lbs)
- White-bellied spider monkey with a weight of 6.71 kilos (14.79 lbs)
- Hoffmann’s two-toed sloth with a weight of 5.7 kilos (12.57 lbs)
- Brown’s pademelon with a weight of 5.48 kilos (12.08 lbs)