A polydactyl cat is a cat born with extra toes on one or more paw

Amazing and weird fact about cats: 

Did You Know? A polydactyl cat is a cat born with extra toes on one or more paw. This can sometimes make the cat look like it has hands with thumbs!  These are also known as ‘Hemingway Cats’ or 'Mitten cats’. - WTF Fun Fact

Source: https://healthypets.mercola.com/sites/healthypets/archive/2017/03/09/polydactyl-cats.aspx

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