Javan Slow Ioris
Critically Endangered
Population
There is little known about the species current population. No estimates are known, but the population is severe decline
Size
There is little known about the species current population. No estimates are known, but the population is severe decline
Weight
The species weights between 500 and 700 grams
Countries
Indonesia
Distribution
The species is found in central and west Java, an island in Indonesia. The species can be found in Dieng Mountains, Gunang Gede Pangrango National Park and Mount Halimun National Park. In all these areas that are found where humans have minimal impact.
Description
The Javan Slow Loris is a small possum like animal which has distinct markings on its face and back which run over its crown and then forks out over the eyes and ears. The colours of the animal consist of a yellowish grey markings with patches of cream. The species does have longer hair than normal compared to other Loirus‘.



Quick Facts
Key behaviour of the Javan Slow Loris include:
- The species is nocturnal and arboreal and often relies on vines and lianas. The species has been observed crossing the ground however
- The species when moving in the canopy can be found between 3 and 22 metres in height, while it can be found stationary often between 1.5 metres and 9 metres in height
- The species can be found alone, in pairs and even found in groups sleeping together
- When sleeping they curl up on branches in the trees
- The species has a distinctive whistling call
The diet of the Javan Slow Loris consists of:
- Fruit
- Lizards
- Eggs
- Chocolate Seeds
- Gum of legume trees
The Javan Slow Loris inhabits primary and secondary forest and is found from anywhere from sea level up to 1,600 metres, but is more frequent at the higher elevations of the range. The species can also be found in bamboo forests, mangrove forests and plantations (more often chocolate plantations).
The greatest threats to the existence of the Javan Slow Ioris
- Poaching for the exotic pet trade and traditional medicines
- Remaining populations have low densities and are fragmented
- Habitat Loss – deforestation
Conservation Efforts
There is very little data and knowledge of the Javan Slow Ioris and there is very little action in the conservation of this species at this time.