The orangutans are the only exclusively Asian living genus of great ape. They are among the most intelligent primates and use a variety of sophisticated tools, also making sleeping nests each night from branches and foliage. They are generally not aggressive and live a mostly solitary life foraging for food. They are the largest living arboreal animals with longer arms than other great apes. Their hair is typically reddish-brown, instead of the brown or black hair typical of other great apes. In Sabah there is only one surviving species which is endangered: the Bornean Orangutan (Pongo pygmaeus)

Portrait of Young Bornean Orangutan, Pongo pygmaeus morio, Orangutan

Young Bornean Orangutan, Pongo pygmaeus morio, hanging from a branch

Portrait of Young Bornean Orangutan biting a twig, Sepilok, Sabah

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Photography © Quintin Lake, 2010