Mike Dash suggested that at least some of the prints, including some of those found on rooftops, could have been made by hopping rodents such as wood mice.
During July 1855, a 'Professor Owen' stated the theory that the footprints were from a badger, arguing the animal was 'the only plantigrade quadruped we have in this island' and it 'leaves a footprint larger than would be supposed from its size'.