Beavers: Invasion of the End of the World
The island of Tierra del Fuego has been overrun by invaders - Canadian beavers. In one of the most foolish attempts to change an environment for human advantage, the species was introduced in 1946 to create a fur industry. From an original twenty settlers, the population is now over 150,000. Posing a severe threat to local wildlife, there is great debate over how this problem should be remedied.
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