Crows Bend Twigs Into Tools to Find FoodOctober 4, 2007 By RANDOLPH E. SCHMID, AP Science Writer in /
(AP) -- Mounting tiny video cameras to the tail feathers of crows, researchers discovered that the birds use a variety of tools to seek food, and even make their own tools, plucking, smoothing and bending twigs and grass stems.
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"Crows Bend Twigs Into Tools to Find Food" October 4, 2007 http://phys.org/news/2007-10-crows-twigs-tools-food.html