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

10,000 Birds

I once knew a guy who kept and raised cats. He also had tigers, cougars, and some other animals. This is approximated by the size of the animal, but really, this has to be adjusted for depending on modality of killing. We estimate that free-ranging domestic cats kill 1.4–3.7 But they don’t live in North America.

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The Emotional Lives of Animals

4 The Love Of Animals

I also watched a red fox bury her mate after a cougar had killed him. Tika and her longtime mate, Kobuk, had raised eight litters of puppies together and were enjoying their retirement years in the home of my friend, Anne. One, then another, flew off and brought back pine needles and twigs and laid them by his body.

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