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How Nature Works: White-winged Crossbill Feeding Technique

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Uploaded on Apr 16, 2010

Take an up-close look at the remarkable physical adaptations White-winged Crossbills use to retrieve seeds hidden inside tightly closed spruce cones.

Check out All About Birds for more information on White-winged Crossbills: http://www.allaboutbirds.org/guide/wh...

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