25 pairs of Canadian beavers introduced here in 1946 by Argentine officials to generate a commercial fur trade might now number 200,000, a virtual army that is chomping, cutting and flooding forests across this frosty, remote archipelago known as Tierra del Fuego, or Land of Fire. And the beavers are moving north, having swum across the turbulent, freezing waters of the Strait of Magellan.
The really ironic part is the beavers have adapted to the warmer climate making their fur worthless
Read the whole article
http://www.thestar.com/news/world/20...s_forests.html