European wall lizards (Podarcis muralis) have invaded Vancouver Island. Traced to a release by a roadside zoo that closed down in 1970, the lizards’ island population is now estimated at between 500,000 and 700,000. While some people enjoy having the lizards around—we don’t have many of them in Canada—it’s still an invasive species capable of doing damage. “Hanke assesses the threat to B.C.’s ecosystems as ‘an eight, if not a nine.’ He worries for native species such as the sharp-tailed snake, the Pacific chorus frog and the northwestern alligator lizard. The wall lizard feasts on them all.”
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