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

10,000 Birds

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. adding wolves, who displace coyotes) can dramatically change the ecology and directly affect species diversity and abundance.

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

10,000 Birds

There is not a wild cat, such as the Wildcat, in North America, at that lower end of the size range for cats. Dogs are similarly dispersed across size ranges, with Foxes, Coyotes, and Wolves taking prey across different parts of the size range. Coyotes may affect cats in another way too, forcing exclusion zones.