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10 Fascinating Facts About Polydactyl Cats (With Pictures)

Written by: Christian Adams

Last Updated on February 9, 2024 by Catster Editorial Team

cute little paws of a polydactyl cat

10 Fascinating Facts About Polydactyl Cats (With Pictures)

Polydactylism is a condition whereby an animal has more than the normal number of fingers and toes. It is actually surprisingly common in some animals, including cats. While cats usually have five toes on each of their front feet and four toes on their back feet, there are many cats that have more than this number. Some have as many as 28 toes, in total, and polydactyl cats are often considered lucky. They were once kept on boats, by sailors, to bring them luck to help ensure they returned safely to shore.

Below are some facts regarding polydactyl cats including information on whether it is a new phenomenon and whether polydactyly brings any health complaints or other problems with it.

 

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The 10 Facts About Polydactyl Cats

1. Polydactyly Is a Mutation

Cats usually have five toes on each front paw and four on each back paw. However, polydactyly occurs when a dominant gene is mutated, and this can lead to additional toes. Usually, it is the front paws that are affected, but the rear paws can be affected, and, in some rare cases, the condition can affect all four paws. Another condition, known as hypoplasia, can also result in extra toes, but while polydactyly is harmless, hypoplasia can have a serious negative impact on the cat’s health.

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2. It Can Be Beneficial to Some Cats

Polydactyly does not cause any negative health effects for the cat, although it does mean extra claws on your couch and extra time spent trimming those nails. However, for the cat itself, it can prove quite beneficial. The extra toes cause the paws to be wider and larger and this provides extra balance that can help when running, climbing, and generally getting around.


3. They Bring Good Luck, Especially at Sea

This isn’t necessarily true but cats with extra toes have long been considered a good luck charm. They were once intentionally kept on boats. Not only were they very useful for getting rid of vermin from grain and food supplies but cats with extra toes were thought to bring good luck to sailors.

black polydactyl cat
Image Credit: Shutterstock by Casey Elise Christopher

4. They Are Also Known as Hemingway Cats

Some people have been known to become obsessed with cats with extra digits. One such person was Ernest Hemingway. He was given a polydactyl cat by a ship captain, and he became so obsessed that, when he died, his former home was turned into a museum that also included a home for his cats.

Today, there are approximately 50 cats on the property, all of which descended from Hemingway’s cats, and approximately half of them are polydactyl. This is why polydactyl cats are now sometimes referred to as Hemingway cats.


5. It’s More Common in Maine Coons

It is thought that, at one point, around 40% of all Maine Coon cats had extra toes. This may have arisen because the extra wide paws and extra digits made it easier to traverse the snowy conditions of Maine. Only one parent cat needs to have polydactyly to pass it on to kittens and approximately 40% of their kittens will be born with extra digits. This combination and natural selection may mean that polydactyl Maine Coon cats were the most likely to breed.

Although it has, to some extent, been bred out of Maine Coons, it is still more likely in this breed than others.

maine coon cat lying on the couch
Image Credit: ShotPrime Studio, Shutterstock

6. One Polydactyl Cat Has 28 Toes

Most commonly, a polydactyl cat is born with extra toes on the front paws. Some are born with extra digits on the back paws. Very rarely they are born with extra digits on all four paws. In the case of Jake, a ginger tabby, he was born with an incredible 28 toes, including seven on each of his paws totaling 10 more than is considered typical.


7. They Are More Common in the UK

Because of their popularity on ships, and especially on long transatlantic crossings when cats were needed to help protect food supplies from vermin and good luck charms were needed to ensure a successful crossing, polydactyl cats are most often found in Western England as well as in Wales and Canada. They are also found in the Eastern US around Maine.

polydactyl shy cat orange
Image Credit: Lux Blue, Shutterstock

8. The American Polydactyl Is a Breed with Polydactyly

Such is their prevalence that there are even some breeds that have been bred to encourage the trait. The American Polydactyl is one breed that is recognized by some cat fancier groups, and while polydactyly has largely been bred out of the Maine Coon breed, there is a breed known as the Maine Coon Polydactyl that specifically encourages this mutation.


9. Polydactyly Has Been Witnessed for More Than 100 Years

The first recorded instance of polydactyly was in a paper titled Extra Digits by anatomist Burt Green Wilder. The paper was published in 1868, although the phenomenon is likely to have been around since much earlier than this.

orange polydactyl cat sleeping
Image Credit: Lux Blue, Shutterstock

10. There Are Three Different Types of Polydactyly

There are three different types of the mutation, according to where the extra toes are found. Postaxial polydactyly means that the extra toes are on the outside of the paw. Preaxial means the extra digits are on the inside of the paw and mesoaxial polydactyly sees the extra toes in the middle of the paw. This is the rarest form of the mutation.

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Do Polydactyl Cats Have Problems?

Generally, polydactyl cats do not suffer any ill effects or health problems as a result of the genetic mutation. In fact, it can be beneficial for cats to have extra toes because it provide greater balance and support, which is especially useful when climbing trees or when attempting to traverse difficult terrain.

Are Polydactyl Cats Rare?

Polydactyl cats are not as rare as you might think. It’s difficult to know exactly how many cats have this condition, but only one parent cat needs to carry the gene and their kittens will have approximately a 40% chance to be polydactyl, too.

rear feet of a polydactyl cat
Image Credit: Constance Mannes, Shutterstock

Are Polydactyl Cats More Expensive?

Generally, polydactyl cats are no more expensive than other cats, unless they are purebred cats, but even then, they shouldn’t cost any more than a cat with the usual number of toes of the same breed.

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Conclusion

Polydactyl cats have a genetic mutation that causes them to have more than the 18 toes that cats usually have. In most cases, this means extra toes on the front paws, but it can mean extra toes on the back paws and may even result in extra toes on every paw, although this is rare.

The condition does not have any negative impact on a cat’s health and the extra agility and stability may prove beneficial to cats in some circumstances.


Featured Image Credit: Sel_Sanders, Shutterstock

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