Feral Cats Are An Invasive Species in North America (and elsewhere)
10,000 Birds
JULY 22, 2014
In North America, you’ve got Bears at the large end, Cats in the middle, and at the smaller end, the Mustilids. There is not a wild cat, such as the Wildcat, in North America, at that lower end of the size range for cats. We estimate that free-ranging domestic cats kill 1.4–3.7 billion birds and 6.9–20.7
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