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Published on May 18, 2009
The American beaver's ability to nibble wood demonstrates the stunning adaptability of these amazing mammals. In addition to creating their own lake, this family of beavers construct a make-shift fridge and winter-time snug. From the BBC's Life of Mammals documentary series. Watch more high quality videos on the BBC Earth YouTube channel here: http://www.youtube.com/BBCEarth and visit http://www.BBCEarth.com for all the latest natural history exclusives and fantastic new wildlife videos.