Dusky langur/Dusky leaf monkey (Trachypithecus obscurus)
Local name: Lotong cengkung, lotong chengkong, lutong bercelak
Description:
- Fur colour of adults is greyish brown, dark grey and sometimes blackish. Easily identifiable with a white ring-like shape around its eyes
- Infants are pale yellow to orange in colour.
- Troop size ranges from 8 to 20 individuals
Activity pattern: Diurnal
Ecological function: Seed disperser
Level in food chain: Primary consumer, but sometimes seen feeding on insects
Feeding behaviour: Primarily folivorous – herbivores that feed on leaves
Food items: Young leaves, leaf shoots, fruits, flowers
Microhabitat: Inhabits a range of forest habitats. Sometimes seen in urban parks that are located close to forest edge
Silvery langur/Silvered leaf monkey (Trachypithecus cristatus)
Local name: Lotong kelabu
Description:
- Adult has dark grey fur with a silvery sheen, and black hands and feet. Head has crested fur.
- Infants are pale yellow to orange in colour.
Activity pattern: Diurnal
Ecological function: Seed disperser
Level in food chain: Primary consumer
Feeding behaviour: Primarily folivorous – herbivores that feed on leaves
Food items: Young and matured leaves, fruits, seeds, flowers
Microhabitat: Normally found at coastal and riverine habitats in Peninsular Malaysia
