Slow lorises may not be swift, but they are accomplished climbers and are able to hang from branches by their feet alone.

Subspecies
Disputed, but thought to be four subspecies.

Life span
20 years.

Statistics
Head and body length: 26-38cm, Tail: 1.3-2.5cm, Weight: Female: 1.1, Male: 1.2g.

Physical description
Slow lorises vary in colour from grey to white depending on their range. They are plumper and shorter-limbed than slender lorises. They have strong grasping hands and feet, with opposable thumbs. Slow lorises have dark rings around their eyes and a dark stripe running along the back.

Distribution
They range across southeast Asia.

Habitat
They inhabit tropical evergreen rain forests.

Diet
Slow lorises feed on fruit, animal prey, gums, shoots and bird eggs.

Behaviour
They are nocturnal and arboreal. They spend the day sleeping in a tight ball up a tree, with their head between their thighs, but become active at sunset. They are thought to be solitary, and males have larger ranges than the females. Slow lorises make a buzzing hiss sound when disturbed. They move quadrupedally and slowly through the forest.

Reproduction
Slow lorises breed at any time of the year. Females give birth after a gestation period of 193 days, usually to one offspring (sometimes two).

Conservation status
The Bornean slow loris (N.c.menagensis) is listed by the IUCN as Data Deficient.