Type: Mammals. Diet: Omnivore. Size: Standing height: 4 to 5 feet. Weight: 73 to pounds. Size relative to a 6-ft man:. This photo was submitted to Your Shot, our photo community on Instagram.
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These apes were once widespread throughout mainland Asia during the Pleistocene 3. Orangutans prefer a habitat that exists along waterways and in lowlands because of their high dependence on fruit. Biologists have described their habitats as inaccessible, swamp logged, leech-laden tropical forests 5. The islands of Borneo and Sumatra have vast mountain ranges and Orangutans are rarely seen in elevations that exceed meters.
An Orangutan's normal habitat is the tropical rainforest that is dominated by trees of the family Dipterocarpaceae, which interestingly enough, is also becoming endangered in parts of the world. In Sumatra, Orangutans are entirely arboreal because of large predators such as tigers, leopards patrol the forest floor.
Borneo contains fewer large predators so males will travel Terrestrially and feed on the ground, but females will remain in the trees because of their smaller size. However, recent estimates reveal that only between 50, and , orangutans live in the wild in Borneo today. Even more critical is the pressure on the orangutans in Sumatra, where populations of less than 14, Pongo abelii and Pongo tapanuliensis orangutans also face the overwhelming risk of extinction.
The latest estimates from the IUCN indicate a general annual loss of 3,, orangutans. Orangutans have the longest birth interval of any land mammal in the world. The females usually reproduce once every six to eight years, and like humans, the orangutan typically has only one offspring.
Additionally, the orangutan infant is dependent on its mother for up to eight years after its birth before it acquires the skills necessary to survive on its own. Because of this dependency, the reproduction cycle of the orangutan is slower than in other primates. A wild orangutan can live for up to 45 years, and an orangutan in captivity can live for up to 60 years. Orangutans are one of the closest human relatives in the animal kingdom, and humans and orangutans share 97 percent of the same DNA.
When a male orangutan is nearly fully grown around the age of , it develops the characteristic flappy cheek-pads known as flanges protruding from the face. The larger the flanges, the more dominant the male. Orangutan males can travel over long distances and they live isolated from other males. Orangutans have a long infancy. They cling to their mothers and are transported on her back for the first years of their lives. The orangutan is nursed by its mother until the age of eight, which is the longest nursing time in all mammals.
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