Actually, many of them: https://en.wikipedia.org/wiki/Pfeilstorch
"Some theories of the time held that they turned into mice, or hibernated at the bottom of the sea during the winter, and such theories were even propagated by zoologists of the time."
>Before migration was understood, people had no other explanation for the sudden annual disappearance of birds like the white stork and barn swallow. Some theories of the time held that they turned into mice
1822 seems far too late