Name of a
species of arboreal great apes, with the scientific designation Pongo borneo. Unlike all other great apes their hair is characteristically reddish to
The name Orang Utan derives from the Indonesian-Malay words orang and
hutan, meaning ‘man’
respectively, and can thus be translated as ‘man
of the forest’. Orang Utans are native to Indonesia and
Malaysia, though their fossils have also been
found in other parts of Southeast Asia, including the Thai Peninsula, Vietnam
They are nowadays found only in the rainforests of Borneo and Sumatra, though
the species in each location are genetically distinct, with the Bornean variety
being slightly larger and Sumatran Orang Utans having a lighter colour of fur.
Both species typically have long, strong arms and short, bowed legs, and adult
males develop large cheek flaps (fig.),
that grow bigger as they age and intends to show their dominance to younger
males and their sexual maturity to females. In Thai, they are named
ling urang utang.