What is a Mitten Cat or a Thumb Cat?

Our question this week was:

Dr. Debra – My neighbor says she has a mitten cat. What does that mean?


Jenna B.


Hi – thanks for your email Jenna. You wrote asking what is a mitten or thumb cat. A mitten foot, mitten cat or thumb cat refers to a condition called Polydactyly. It is a condition that a cat is born with extra toes.

An article that might be helpful to you is Polydactyly in cats.

Best of luck!

Dr. Debra

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