Feral Cats Are An Invasive Species in North America (and elsewhere)
10,000 Birds
JULY 22, 2014
I once knew a guy who kept and raised cats. He also had tigers, cougars, and some other animals. 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 Unless we put them there.
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