History's Slowest Invasion
By Miss Cellania in Animal on Aug 21, 2008 at 10:44 am
An alien species has been invading Britain for over 100 years, and they were just now noticed. They are snails!
For the past 110 years, a colony of snails has managed to crawl unnoticed from an imported stone balustrade brought from Italy in the 1890s, to claim a piece of British territory up to the terrace of the house just 27m (88ft) away.
A National Trust volunteer spotted the snails while cleaning some statues in the garden. It was the first time that anyone had realised that the Mediterranean mollusc had managed to establish a bridgehead into Britain – at the dizzy pace of about 25cm a year.
The snails are tiny, only about a centimeter in length. Link -via Digg
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