The Bornean Orangutan (Pongo Pygmaeus): Everlasting Facts..........!!

There are just over 40,000 orangutans left on the island of Borneo. But history has shown that population could decline rapidly if forest habitats continue to be destroyed at the current rate. Poaching also continues to be a threat to Borneon orangutan populations. WWF is actively involved in global efforts to protect habitat and halt the illegal trade in orangutans.

The Bornean Orangutan, Pongo pygmaeus, is a species of orangutan native to the island of Borneo. Together with the slightly smaller Sumatran Orangutan, it belongs to the only genus of great apes native to Asia.

The Bornean Orangutan has a life span of about 35 to 40 years in the wild; in captivity it can live to be 60.[citation needed] A survey of wild orangutans found that males weigh on average 75 kg (165 lb), ranging from 50–100 kg (110-200 lb), and 1.2-1.4 m (4-4.7 ft) long; females averaging 38.5 kg (82 lb), ranging from 30–50 kg (66-110 lb), and 1-1.2 m (3.3–4 ft) long.
Population and Distribution
The Borneon orang-utan's habitat is part of the Heart of Borneo region, which is a WWF global priority region. but Kalimantan lost at least 39% of orangutan habitat within the species' range during 1992-2002.

The Bornean orangutan is found in Kalimantan, and Sarawak and Sabah (Malaysia); most individuals occur in Kalimantan, where extensive areas of forest still exist, especially along the east coast.

The subspecies Pongo pygmaeus pygmaeus has been seriously affected by logging and hunting in its stronghold, Danau Sentarum, and a mere 1,500 individuals or so remain. Many swamps in the area are small, fragmented and are targeted by hunters.
Fun Facts:
1. Unlike other great apes, orangutans are solitary by nature; this may be related to their need for large quantities of fruit, which are dispersed throughout the forest.
2. Even though they are able to walk upright for short distances, orangutans travel mostly by brachiating (swinging from one branch to another by the arms) through trees, using well-worn corridors in the forest canopy.
3. Orangutans shelter themselves from rain and sun by holding leafy branches over their heads, and when constructing a night nest in the trees, will sometimes add a leafy roof.
4. Males have a large throat sac that helps them make "long calls." This travels for up to 1 km (.62 mile) through dense vegetation, which helps the males define territories. The "squeak-kiss" noise they make is a sign of annoyance.
5. Bornean orangs have the most prolonged development of any mammal therefore they reproduce very slowly.
6. Orangs are unable to swim. In rain, they construct a leaf nest to keep dry.
7. The differences between monkeys and apes are easy to see once you know what to look for. Apes do not have a tail and are generally larger than most other primates. They have a more upright body posture as well. Apes rely more on vision than on smell and have a short broad nose rather than a snout, as Old World monkeys do. Apes have a larger brain relative to the body size than other primates do.

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