In the second episode of the BBC documentary 'Spy In The Wild'., an orangutan found a saw and knew how to use it. Like other great apes, orangutans are highly intelligent. In the 1990s, orangutans observed to use feeding tools. This had previously been observed in chimps.

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1. Ἀstronomos says:

   22/01/2017 at 17:58

   * Intelligent

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