The Chicago Rat Hole was the city’s hottest new attraction last year. Tourists swarmed to a quiet residential neighborhood to see the decades-old imprint of a rodent pressed into sidewalk concrete.

The identity of the miscreant responsible for a rodent-shaped hole in a Chicago sidewalk is not the beastie everyone thought it was. After careful examination of all the facts and evidence, a team of ...

Few city rats have left their mark on the public consciousness — and the urban landscape — like the one responsible for the famed “Chicago rat hole.” (“Pizza Rat” is a notable exception.) But the ...

Nearly two years after the “Chicago Rat Hole” became a viral sensation, scientists have weighed in on the debate over what type of critter made the splat. Researchers analyzed the famous imprint and ...

A statistical analysis of an infamous indentation in a sidewalk suggested a 99 percent likelihood that another rodent made the mark. To put the rodent-shaped impression into context, a team of ...

WASHINGTON — A recent study on Chicago's 'rat hole' is putting a new twist on the viral landmark. The study, published by the Royal Society on Wednesday, suggests that the famous sidewalk hole shaped ...

Is it a squirrel? No, it looks like a rat, and the splat of an imprint on a Chicago sidewalk is getting lots of attention as people come to take a look. Is it a squirrel, or is it a splat of a rat?

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