Catsandcamping

Catsandcamping t1_j4jsgtt wrote

It's a rather common genetic mutation called polydactyly. The only marked difference between them and other cats is the presence of extra toe beans and sometimes extra claws. Ernest Hemingway had a bunch of them when he was still living and there is still a colony of them at his house/museum in Key West. You commonly hear them referred to as "Hemingway cats" because of this.

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