Gray squirrels, introduced from North America in the 1900s, are now driving continental Europe’s native red squirrels to the brink of extinction.
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By Claire AsherFeb. 15, 2017 , 12:45 PM
Invasive species, from feral pigs to Japanese knotweed, can...
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https://skpsoft.com/science/alien-species-are-accelerating-their-march-across-the-globe-science/
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