Feral Cats Are An Invasive Species in North America (and elsewhere)
10,000 Birds
JULY 22, 2014
And for thousands of years the lizards, rodents, and birds of North America adapted to Fishers, Badgers, Wolverines, Ermines, etc. Free-ranging domestic cats have been introduced globally and have contributed to multiple wildlife extinctions on islands. We estimate that free-ranging domestic cats kill 1.4–3.7
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