Page last updated at 13:15 GMT, Wednesday, 1 July 2009 14:15 UK

Chimps learn from video demonstrations

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After watching filmed demonstrations, chimpanzees are able to build tools from two component parts, according to researchers.

A team of scientists from the University of St Andrews and the University of Texas showed a group of chimps this video of another trained chimp making a rake, and using it to retrieve a grape from a platform.

The primates were able to copy the video and make their own rake by fitting together the same two components.

Elizabeth Price from the University of St Andrews, who led the study, said the result showed that "social learning had a very powerful effect on the animals' behaviour".

Footage courtesy of Elizabeth Price, University of St Andrews

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