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Tierra del Fuego - Beaver Dam<br> Scenery in Patagonia picture - The Canadian beaver has become the centre of a challenging ecological problem in Tierra del Fuego. Imported in 1946 they are now reshaping the ecosystem: felling trees, damming rivers and creating swamps.
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The Canadian beaver has become the centre of a challenging ecological problem in Tierra del Fuego. Imported in 1946 they are now reshaping the ecosystem: felling trees, damming rivers and creating swamps.
South America
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