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

10,000 Birds

And for rodents and reptiles as well. 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. And for thousands of years the lizards, rodents, and birds of North America adapted to Fishers, Badgers, Wolverines, Ermines, etc.

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How many birds are killed by windmills and other green energy projects?

10,000 Birds

Notably, this is a vey small number compared to the number of rodents killed by the same cats. About 15 million birds are killed annually by hunters, and of course this is distributed among a very small number of species. billion birds, plus or minus more than a billion, are killed by cats every year in the US.

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