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

10,000 Birds

As she continued her monologue about these cats, the Wildcat cautiously walked in our direction, never taking its eyes off of us, stiff-legged, ears motionless, striped like a standard “tiger” domestic cat but entirely in grays. The most interesting thing about this cat was lack of kitty-cat-ness.

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Are there so many birds that cats don’t matter?

10,000 Birds

For instance, assume (and I will NOT stand by this number, it is just one I’ve heard here and there) that kitty cats in America kill 50,000,000 birds a year. If cats displace ferrets, then that probably means that birds are getting hit harder than rodents, and among birds, adult birds are getting hit harder than eggs or hatchlings.

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