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. This is approximated by the size of the animal, but really, this has to be adjusted for depending on modality of killing. Also, feral Cats on islands seem to be a serious problem, causing the extirpation of some indigenous species. We estimate that free-ranging domestic cats kill 1.4–3.7
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