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. In some regions of the world, the carnivore landscape is taken up by many different cats at the middle and larger range, and by things like civets and mongoose at the smaller end. We estimate that free-ranging domestic cats kill 1.4–3.7 billion mammals annually.
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