Do Cats Have Belly Buttons?

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"Do cats have belly buttons?"
"Sure they do!"
"Then have you ever seen one?"
"Uh, this ……"

Everyone is curious about so the cats have a belly button. The cat’s belly button is small, only a few millimeters in diameter, and relatively flat and smooth, unlike the human navel so obvious, usually covered by fur, not easy to see.

cat with a belly buttons
Photo by svklimkin

What Does the Belly Button Do?

The belly button is the place where the fetus is connecting to the mother’s body. The fetus grows up in the mother’s womb, and there is something called the “placenta” in the womb, between the placenta and the fetus’ belly button. And there is a tube-like something connected. This “tube” is called the umbilical cord. The fetus absorbs nutrients from the mother’s body through the umbilical cord and grows to maturity day by day.

Why Does My Cat Have a Belly Button?

Like humans, kittens develop in the mother’s womb, receiving nutrients and oxygen from the mother through the umbilical cord while expelling waste. When the kitten is born, and the umbilical cord is useless, it is chewed off by the mother cat. After a few days, the umbilical cord attached to the kitten naturally falls off, leaving a scar that we call the belly button.


However, not all mammals have navels. Whales and dolphins, which are aquatic mammals, also have smooth and inconspicuous belly buttons. And like the platypus, echidna, oviparous animals, no placenta, and umbilical cord all rely on an egg and naturally do not leave a belly button after breaking the shell.


Kangaroos, koalas, these marsupials, it is also difficult to see the navel. They have a placenta, but it is limited because the gestation period is concise, probably only about 30 days. After the pups are born, this small, immature, peanut-sized mass of flesh takes up residence in the mother’s nursery bag, and the umbilical cord falls off naturally, leaving no trace.

Where is a Kitten’s Belly Button?

A cat’s belly button is usually located in the middle of the lower part of the abdomen, just below the final rib cage. Finding a cat’s belly button can be difficult because it is a flat, smooth patch of tissue left behind after the umbilical cord has been severed and the cat’s abdomen is close to the skin. It is often rendered invisible due to abdominal fat and fur.

What Does a Cat’s Belly Button Look Like?

A cat’s belly button looks like a small circular scar with a circumference of about 5 mm. Fur does not usually grow on a cat’s belly button, leading many people to mistake it for ringworm.

Final Thoughts

Your cat does have a belly button. It is inconspicuous and often difficult to detect. During the next cuddle or grooming session, look for a small 5 mm scar near the base of your cat’s rib cage, similar to a bald patch. If your kitten has puffiness around their belly button, they may have an umbilical hernia. Consult your veterinarian, who will help you with diagnosis and treatment.


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