Study claims to solve mystery behind infamous 'Chicago Rat Hole'

Study Claims to Solve Mystery Behind Infamous 'Chicago Rat Hole'

The mystery of the infamous "Chicago Rat Hole" on the sidewalk may be solved.

Scientists believe that the outline is not of a rat, but more likely a squirrel. Using the measurements of the imprint, they say the impression resembles a squirrel: stocky and semi-aquatic, with webbed feet.

The Chicago Rat Hole was located near Roscoe Street and Damen Avenue before it was removed.

Scientists say the impression resembles a squirrel: stocky and semi-aquatic, with webbed feet.

Author's summary: Researchers solve Chicago Rat Hole mystery.

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ABC7 News ABC7 News — 2025-10-15