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

10,000 Birds

He also had tigers, cougars, and some other animals. 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. We estimate that free-ranging domestic cats kill 1.4–3.7