The orangutan is the only great ape that occurs outside Africa, and is the biggest arboreal mammal in the world. They are extremely intelligent and have shown evidence of tool use and culture, traits once believed to be uniquely man. Despite being one of our closest ancestors, human activities are having a devastating impact on this species. They are the slowest breeding of all mammal species, giving birth a single young every six to eight years. Its weight is up from 50 to 90 kilos ( male ), 30 to 50 kilos ( female ) and its length on its head + body and arm span, 1.25 to 1.50 metres ( head and body ) 2.25 ( arm span ) .It is endangered because of deforestation, lives in south east Asia and far north China.
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