So it's like this - the neighbors had kittens, polydactyl kittens, one was a calico and anther had a crooked tail.. How could a person resist. I'm a step closer to crazy cat lady status, or maybe two. This is Lucy and Mike. He's Little Mike right now but having seen his father he'll be Big Mike shortly.
The cat that came with the barn is polydactyl so we already new a little about them. Unlike the rather useless dewclaw, the extra digit acts like a thumb. Our barn cat, the imaginatively named Thumbs, using hers to help climb and hunt. It gives her extra gripping power; no mouse ever slips away..
Wikipedia page for Polydactyl cats