Feral Cats Are An Invasive Species in North America (and elsewhere)
10,000 Birds
JULY 22, 2014
This almost certainly can be argued to be true just on the basis of logic, because feral Cats are proficient hunters and are entirely out of ecological place. 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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