Pet snakes could be next big eco-menace

Scientists at USGS released a 300-page report today detailing the vulnerability of U.S. lands to invasion by large snakes from other continents. The report finds that Burmese pythons, northern and southern African pythons, boa constrictors and yellow anacondas are a high-risk animal for invasion. The report echoes the unfortunate situation on the America territory of Guam, where introduced brown tree snakes have extirpated most forest...

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