Feral Cats Are An Invasive Species in North America (and elsewhere)
10,000 Birds
JULY 22, 2014
I once knew a guy who kept and raised cats. 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. billion birds and 6.9–20.7
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