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Friday, August 17, 2007

 

Cleverest crows opt for two tools

‘Crows have shown that two tools are better than one when it comes to problem solving, scientists say.

A University of Auckland study has revealed that New Caledonian crows can use separate tools in quick succession to retrieve an out-of-reach snack. [..]

The scientists said the crows’ performance was comparable to that of the great apes in similar experiments.

The team believes that because the birds were able to solve the problem on their first attempt they were using analogical reasoning rather than trial and error.’




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