While studying the norther boreal ecosystem using Google Earth I have come across some remarkable beaver dams. The largest ones are about 260 m to 265 m in length (using the GE measuring tool). This begs the question: Is this the "biggest beaverdam in the world"??? Or can anyone find a larger one??

This folder contains a number of large dams in the Northern Boreal region of Canada. Obviously prime beaver habitat!



This second image shows a dam in the James Bay Area with a length of 265 meters


This third image shows a dam in the James Bay Area with a length of at least 280 meters and possibly as long as 340 meters.




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