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The cat is one of the most powerful animals on the planet, author says

Even if your cat doesn't give you toxoplasmosis, it may not be wonderful for your mental health

When a stray cat wandered onto the tracks of a midtown 7 train in New York City last month, the MTA halted the entire subway line until the animal was out of harm’s way. At the same time, the U.S. government euthanizes millions of stray cats each year.

They’re a disaster for the environment: One conservancy organization has called cats the “ecological axis of evil.” American cats kill between 1.4 and 3.7 billion birds each year, and they’ve been implicated in dozens of mammalian extinctions. (The Australian government has funded research into the most efficient methods of cat control – yielding products like a poison-laced kangaroo sausage called “Eradicat.”)