Ah, rats! Researchers say some other critter likely created Chicago's 'rat hole' sidewalk landmark

Ah, rats! Researchers say some other critter likely created Chicago's 'rat hole' sidewalk landmark Updated 15 mins ago Ah, rats! Researchers have debunked the origin of Chicago's so-called “rat hole," concluding some other critter was likely responsible for creating the macabre sidewalk landmark. The rat hole was a full-body impression of a small creature crossing wet cement in the city's Roscoe Village neighborhood 20 to 30 years ago. The imprint closely resembled a rat, hence the namesake. It became a tourist attraction in 2024 after comedian Winslow Dumaine tweeted about its existence. Someone filled it in later that year, but the city preserved the slab. A team of researchers published a study Wednesday in the journal Biology Letters saying they measured the imprint and concluded a squ