The Largest Beaver Dam In The World
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Key Facts In This Video
Most beaver dams are 5 to 10 meters (16 to 33 feet) long and form small ponds behind them. 00:45
Scientists believe that the sound of running water triggers damn-building behavior in beavers. 01:54
Castoreum, the oil from beaver anal glands, smells like strong vanilla. 03:13
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