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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. The relevant numbers involving cats, the people that cherish them, and the birds (and small mammals and reptiles) that they kill are all too large to mean much; you might as well use the funny word “gazillions.”

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

10,000 Birds

An abstract from a recent paper in Nature : Anthropogenic threats, such as collisions with man-made structures, vehicles, poisoning and predation by domestic pets, combine to kill billions of wildlife annually. Free-ranging domestic cats have been introduced globally and have contributed to multiple wildlife extinctions on islands.