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Swiss researcher studies call of the wild

There are few people in the world who know more about monkeys than Klaus Zuberbühler. The Swiss primatologist is employed by St Andrews University in Scotland to find out how non-human primates perceive things. His findings are based partly on studies carried out at Edinburgh Zoo, where swissinfo caught up with him. (swissinfo archive, Julie Hunt)

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SWI swissinfo.ch - a branch of Swiss Broadcasting Corporation SRG SSR

SWI swissinfo.ch - a branch of Swiss Broadcasting Corporation SRG SSR