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April 23, 2008

Alberta beavers’ dam construction project sets record

What is believed to be the world’s largest beaver dam has been built in Wood Buffalo National Park in northern Alberta.

An 850-metre long beaver dam was discovered by ecologist Jean Thie as he scanned satellite images for signs of climate change.

While looking for melting permafrost, he started looking at beaver dams across northern Canada. The dam is located about 190 kilometres northeast of Fort McMurray, AB. Previously, the largest known beaver dam was a 652-metre structure in Three Forks, Montana. Beavers are the only creatures on earth, other than humans, that build structures visible from space. There was no word on which beavers were the general contractor.

JOC News Service

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