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Cat Wars: The Devastating Consequences of a Cuddly Killer

10,000 Birds

They argue for the elimination of free-range cats entirely. pets) that roam out-of-doors; At least 500 milllion birds are killed by cats each year (but the number is probably higher, maybe twice that or more); Cat feces, via which a dangerous parasite is distributed, amount to 1.2

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Feral Cats Are An Invasive Species in North America (and elsewhere)

10,000 Birds

But they don’t live in North America. I find it astonishing that people argue of whether feral cats are bad for birds in North America. 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.