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Why New Caledonian Crows Craft Hooked Tools
ByTWC - Digital•
January 24, 2018Updated: January 24, 2018, 4:29 pm ESTPublished: January 24, 2018, 11:29 am EST

Study uncovers why New Caledonian crows, the only nonhuman species known to create hooked tools, engage in such intricate behavior.

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