That doesn't answer the question, though. They have a habitat range and can be considered a nuisance animal outside of it.According to a Nature program on PBS they are a vital part of the environment. After they were re-introduced into a National Park, all the vital wetlands formed by the dams re-appeared after drying up. Many types of life thrive in the wetlands. Yes, they can be annoying, but every time man interferes with Natures balance, there a consequences.
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