Skip to main content

Why do cats have tails? Science explains

Whether fluffy or thin, cats' tails serve these essential purposes

Cat with a long tail walking through a yard
Altsva / Shutterstock

If you’ve ever wondered, “Why do cats have tails?” you’re certainly not alone. Tails are odd appendages for humans to comprehend, but they serve more than one purpose besides simply being cute to look at. Different breeds of cats have different kinds of tails, too, but they all help in the very same ways.

And what about cats that don’t have tails? Many felines are born with genetic variants that give them a short or “bobbed” tail, but this hardly affects them at all. The same can be said for cats that lose their tails later in life; it may be an adjustment period, but a tail is not essential to a happy, healthy life.

Here’s what else you’ll want to know about why cats have tails!

Cat tail sticking out of a box
Jiranan Wonsilakij / EyeEm / Getty Images

Tails help cats balance when moving and jumping

One of the primary functions of feline tails is to help them balance when climbing and jumping like cats do. In fact, this is one of the main reasons why cats always land on their feet. As they leap or walk on something narrow, they position their tails strategically, like a counterweight.

East Valley Animal Hospital compares the tail’s counterweight to the way people hold out their arms when trying to balance themselves. It’s not necessary for a cat to have a tail in order to keep their balance, but it sure is helpful.

A black and white cat's lower body as they lie on hardwood floor
Arina Krasnikova / Pexels

Tails provide cats with sensory input

Did you know that a cat’s tail is actually an extension of their spine? The bones that make up the tail are vertebrae that extend from the spinal column, and although the spinal cord itself doesn’t extend into the tail, the nerves in the tail do. As you can imagine, these nerves are extremely sensitive, which is also why many cats don’t like having their tails touched.

Because these nerves are so sensitive, cats can gain lots of sensory input from their tails. They can often sense when something is behind them, and they can get a very good read on temperature from those nerve endings. If you see your kitty tucking their tail in on a chilly night, they might be colder than you think.

A white cat's tail hangs from the wooden bookshelf
cottonbro studio / Pexels

Cats, dogs, and other animals communicate with their tails

Felines aren’t the only animals that communicate with their tails. Dogs, deer, and many wild animal species communicate with one another using their tails, though your cat may use their tail to communicate with you, too!

Different tail postures mean different things, so it’s important to study feline body language if you want to know what your buddy is trying to say. For example, an upright, slightly wagging tail is a sign of a curious and happy cat, while a fluffed-up, fast-twitching tail can be a sign of aggravation.

Additionally, cats have scent glands at the base of their tails that are vital in chemical communication. This is how they mark their territory and how they can tell who else has been there before.

Cat tails serve many purposes, though they aren’t essential to happy felines. Balance and communication can be achieved through other methods, too, but there’s no doubt that there are many reasons to appreciate a cat’s expressive tail.

Editors' Recommendations

Gabrielle LaFrank
Gabrielle LaFrank has written for sites such as Psych2Go, Elite Daily, and, currently, PawTracks. When she's not writing, you…
Why do dogs hate cats? The truth behind this age-old grudge
Find out what's behind the dog and cat rivalry that's been around forever
A black pug and a tabby cat sit on a table

Even if you've never been around dogs or cats, you've probably heard about their rough relationship. Cats and dogs are rivals at best and enemies at worst -- right? It sure seems that way when there are thousands of stories and even videos of dogs and cats not getting along. Whether you've witnessed a dog-cat chase with your own eyes or have heard your pup barking at the neighbor's cat at all times of the day, it's only natural to wonder, "Why do dogs hate cats?"
Some dogs couldn't care less if a feline friend stopped by for a visit -- that's true -- but plenty of other pups would go positively bananas. So what's the difference?

Why do dogs hate cats?
While it's easy to assume that dogs and cats "hate" one another because of their vast differences, it's a bit more complicated than that. Even dogs that regularly chase cats don't do so out of malice or hate. It's an instinctual thing!

Read more
What does it mean when cats purr? It’s more scientific than them just being happy
Cat purring is thought to indicate happiness, but it can have a few different meanings
Black and white cat lying on a cat bed on a sofa

Chances are, you've heard that purring is a sign that a cat is happy. And in many cases, that's true. Cats often purr during activities they enjoy, like being petted in that hard-to-reach spot or settling down for a nap in the sun. However, purring can have different meanings and causes than just indicating happiness.

Scientists are still working to understand this feline behavior fully, and new theories about the reasons behind purring continue to evolve. So, why do cats purr, and what does your cat's purr really mean? New information may be coming out every day, but the information that we already have can help you better understand your cat.

Read more
How often should I feed my cat? Here’s what to know about cat feeding schedules
There's a lot more to think about than just what cat food to buy
Cat licking lips over food bowl

Trying to find the perfect food for your cat can be difficult -- just ask any cat owner with a picky eater at home. The shops and internet are home to endless delicious and nutritious options to choose from, but buying the best food for your cat is only half the battle — your cat's feeding schedule is another code to crack. If you've ever wondered, "How often should I feed my cat," you're not alone.

You can feed cats anywhere from one to five times a day, depending on their individual needs. After all, it's no secret that every cat has a distinct personality, right? No matter how often you feed your cat, their feeding schedule can impact their digestive system, energy level, and overall happiness, so finding the perfect balance for them is essential. Like many other animals, cats love routine, and once they learn their feeding schedule, they'll happily remind you of it.

Read more