Crows make their own hooked tools for a quick and easy meal


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Crows make their own hooked tools for a quick and easy meal

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  Last updated April 18, 2018 at 9:33 am

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New Caledonian crows craft delicate hooked tools from twigs to dig for prey like beetle grubs. Research just out compared the use of straight twigs with hooked twigs on a range of naturalistic tasks, and found that the bird-made tools were up to ten times more efficient.


This study was published in Nature Ecology and Evolution.



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