Chicago’s ‘Rat Hole’ Mystery Solved: It’s Not a Rat! | Windy City Sidewalk Squirrel Explained (2025)

Oh, the mystery of Chicago's 'rat hole'! It's a tale that has intrigued and puzzled many, but researchers have now shed some light on this peculiar landmark. Prepare to have your assumptions challenged!

The 'rat hole' is not what it seems at first glance. It's not a hidden bar or a forgotten alleyway; it's a fascinating imprint, a snapshot of an unfortunate creature's encounter with wet cement. This unique imprint, found in Roscoe Village, has become a viral sensation, attracting curious tourists and sparking debates.

But here's where it gets controversial... While it may resemble a rat, researchers from esteemed institutions have a different theory. They believe it's more likely to be the work of a squirrel or a muskrat! How's that for a twist?

The researchers studied the imprint's measurements and compared them to museum specimens of local animals. The presence of arms, legs, and a tail ruled out birds and reptiles, leaving mammals as the prime suspects. Further analysis narrowed it down to rats, mice, squirrels, chipmunks, or muskrats. But the key evidence? The size of the forelimbs and hind paws, which didn't match a rat's, but aligned perfectly with Eastern gray squirrels and muskrats.

And this is the part most people miss... Cement is usually wet during the day, and rats are nocturnal, so it's unlikely a rat would have ventured into the wet cement. The researchers suggest a squirrel, misjudging a leap or slipping from a branch, could have created this unique imprint. Even the lack of a bushy tail in the imprint makes sense, as hair often doesn't leave such defined marks.

So, should we rename it the 'Windy City Sidewalk Squirrel'? The researchers certainly think so, and they make a compelling case. But what do you think? Is this a satisfying explanation, or does the mystery of the 'rat hole' still leave you wanting more? Feel free to share your thoughts and theories in the comments! We'd love to hear your take on this intriguing urban legend.

Chicago’s ‘Rat Hole’ Mystery Solved: It’s Not a Rat! | Windy City Sidewalk Squirrel Explained (2025)
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