Polydactyl

The extra toed cats first appeared in the U.S, England, Nova Scotia and Asia in 1868. Because of their unusual appearance, it was a commonly held belief that they were associated with witches and killed as a result. As people became more accustomed to the polydactyl cats, they were believed to be good luck, especially from the viewpoint of sailors. These cats were recognized as exceptional mousers and hunters, and as a result were often transported on ships during many overseas voyages. This is how the polydactyl made its way from Europe to the U.S
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Polydactyl

Polydactyl