Question: are cats supposed to have thumbs?
Answer: Regular cats have five toes on their front feet and four on their back, for a total of 18. ... Polydactyl cats are known by many names, including “Hemingway cats,” a reference to Snowball and her famous owner. They are also referred to as “mitten cats,” “big-foot cats” and “six-toed cats” — or even “cats with thumbs.”