“A restaurant all of a sudden closes now, which has happened by the thousands in not just New York City but coast to coast and around the world, and those rats that were living by that restaurant, some place nearby, and perhaps for decades having generations of rats that depended on that restaurant food, well, life is no longer working for them, and they only have a couple of choices.”

And those choices are grim. They include cannibalism, rat battles and infanticide.

“It’s just like we’ve seen in the history of mankind, where people try to take over lands and they come in with militaries and armies and fight to the death, literally, for who’s going to conquer that land. And that’s what happens with rats,” he said. “A new ‘army’ of rats come in, and whichever army has the strongest rats is going to conquer that area.”