Two polydactyl cats making the thumbs up gesture

Polydactyl Cats: Why Some Cats Have Thumbs

Welcome to a fascinating exploration of one of the most adorable anomalies in the feline world: polydactyly, or as it’s more whimsically known, “cats with thumbs.” This intriguing genetic variation makes for some of the most unique and endearing pets, and it’s a topic rich with history, science, and even pop culture references. Let’s dive into what polydactyly is, its prevalence among felines, the causes and inheritability, considerations for potential health concerns, and the breeds most commonly affected. We’ll also touch on the famous polydactyl cats of Ernest Hemingway and their surprising appearance in a popular milk commercial.

What Is Polydactyly?

Polydactyly, derived from the Greek words ‘poly’ meaning ‘many’ and ‘daktylos’ meaning ‘fingers,’ refers to the condition where a cat has more than the usual number of toes on one or more of its paws. While most cats boast a total of 18 toes, with five on each front paw and four on each back paw, polydactyl cats can have as many as eight toes on a single paw.

How Common Is It?

Polydactyly is relatively common among cats, though the exact frequency can vary geographically. It’s particularly prevalent in certain areas, such as the Eastern United States, Canada, and England. The condition is not limited to any specific cat population or region, however, and polydactyl cats can be found worldwide.

Causes and Inheritability

The extra digits in polydactyl cats result from a genetic mutation. This mutation is autosomal dominant, which means that only one copy of the gene is needed for the trait to be expressed. If one parent cat is polydactyl, there’s a 50% chance that its kittens will also have the trait, regardless of the other parent’s toe count.

Reasons for Concern

Generally, polydactyly in cats is not a cause for concern and does not affect their health or mobility. These cats can lead normal, healthy lives. However, in rare cases, the additional toes can be poorly formed or attached, which might lead to issues with grooming or walking. Regular vet check-ups can help ensure that a polydactyl cat’s extra toes are not causing any problems.

Breeds and Commonality

Polydactyly is most commonly associated with certain breeds such as the Maine Coon. In fact, at one point, as many as 40% of Maine Coons were reported to be polydactyl, a trait that was once considered a breed standard. However, it can occur in any breed and also frequently appears in mixed-breed cats.

Hemingway’s Cats

One of the most famous connections between polydactyly and popular culture is the legacy of Ernest Hemingway. The Nobel Prize-winning author was gifted a white polydactyl kitten named Snowball by a ship’s captain, and many of Snowball’s descendants still live at the Hemingway Home and Museum in Key West, Florida. These cats, often referred to as “Hemingway cats,” are a major tourist attraction and a testament to the enduring charm of polydactyl felines.

The Cravendale Milk Commercial

Polydactyl cats even made a splash in advertising, most notably in the Cravendale milk commercial. This whimsical ad featured polydactyl cats with thumbs plotting to take over the world, or at least, to steal some milk. The commercial played on the novelty of “cats with thumbs” and brought a delightful dose of humor to the phenomenon of polydactyl cats.

Conclusion

Polydactyl cats, with their unique charm and historical significance, continue to fascinate and delight cat lovers around the world. Whether it’s the literary legacy of Hemingway’s cats or the humorous portrayal in a milk commercial, these “cats with thumbs” hold a special place in the heart of popular culture. Beyond their quirky appearance, polydactyl cats remind us of the incredible diversity and adaptability of the animal kingdom. So, if you’re lucky enough to share your home with one of these extraordinary felines, cherish those extra toes as a mark of unique beauty and historical significance.

Polydactyl cats are more than just a quirky genetic trait; they are a celebration of nature’s diversity and the unique bond between humans and their feline companions. Whether you’re a cat enthusiast, a history buff, or simply someone who appreciates the little anomalies that make our world so interesting, there’s no denying the special allure of a cat with thumbs.

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Argenta Nola

Cat mom and blogger

One thought on “Polydactyl Cats: Why Some Cats Have Thumbs”

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