Clever Crows

The People's Friend - - Bits & Pieces -

Sci­en­tists from the Max Planck In­sti­tute for Or­nithol­ogy and the Univer­sity of Ox­ford have dis­cov­ered that not only can New Cale­do­nian crows use tools – they can make them, too! Watch them at http://bit. ly/pfcrows.

Au­guste von Bay­ern.

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