Saturday, 18. August 2007
Topic: NATURE - on August 18, 2007 at 12:18:00 PM CEST
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.
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