In 1940 twenty Canadian Beavers were brought to 'Tierra del Fuego' island in southern Patagonia for commercial fur production. However, beavers having no natural predators, quickly spread throughout the island, causing massive destruction of trees threatening the entire Patagonian forests … Christopher anderson, Pablo kunzle, Marta Lizarralde, Claudio Bertonatti, Mariela Borgnia, Claudio Chehebar, Carlos Garritz Added on Amazon Prime 2021-11-06. Youtube Trailer