A mere 2 million rats make New York City home, says Columbia University statistician

November 7, 2014 3:41 AM

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In truth, the city's rat population is probably closer to 2 million, said Jonathan Auerbach, a Columbia doctoral student who wrote an essay on the subject published in Significance magazine.

The urban lore that there are as many rats as citizens dates back at least a century, Auerbach says. It may have endured in part because reliably estimating the city's rat population is difficult even though the creatures are hardly invisible, as most New Yorkers who see them skittering about the su...

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