Why do cats purr? (2024)

By Matt Hambly

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Why do cats purr? (1)

From an early age many of us are taught that when cats purr, they’re telling you they’re happy. While purring is thought to be partly voluntary and partly instinctive,research suggests that cats can purr for various reasons, using the soft rumble as a way of communicatingand as a form of self-soothing or even healing. This is why cats will often purr when they’re injured, or after a stressful event.

Kittens are born blind and deaf, remaining so until they are around two weeks old. However, they begin purring after just a few days, primarily to let their mothers know where they are, and to attract their attention at feeding time. This behaviour continues into adulthood and will be familiar tocat owners who are treated to a coercive display of purring come dinner time. But this is just one of several different ways in which the purr is used.

Cats often purr when humans stroke them, leading to an association between purring and pleasure. Observed feline behaviour suggests they may also be trying to encourage further interaction, as if to say “please continue to stroke me”.

A 2009 study found that cats can conceal a cry within their purr that triggers a nurturing instinct in their owners, similar to the cries of a human baby. The study observed that when purring to solicit food, the noise cats made was “more urgent and less pleasant”, suggesting they can manipulate their purrs to communicate different things.

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According to New Scientist readers, cats will also adapt noises like their meow to elicit a response from their owners. This means that if a cat were to have a deaf owner, it is likely they would meow less once they learned it did not trigger a response. However, the same cat would probably continue to purr, without changing the frequency of the sound.

Research into feline behaviour has lagged behind that of dogs, but a 1991 study concluded that purring emanates from the cat’s voice box, or larynx. When cats breathe, they dilate and constrict the glottis, the area around their vocal cords, in a rapid, rhythmic fashion. As the air vibrates over the laryngeal muscles of their larynx, the purring sound occurs.

But why do they purr after a stressful event? A 2001 study published inThe Journal of the Acoustical Society of America showed that domestic cats and some species of big cats, including pumas and cheetahs,could purr at frequencies optimal for pain relief and even bone repair.

So how can you tell why your cat is purring? Your best chance of understanding them is to look at their body language and the context. If they’re purring first thing in the morning, they may be asking to be fed. If you’ve just returned from a day at work, they might be saying hello and if they are sitting on your lap, purring contentedly, they might just be signalling their approval.

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Why do cats purr? (2024)

FAQs

Why do cats purr? ›

A cat can purr in response to happiness, as a coping mechanism for stress, to solicit food or attention, and to communicate to other cats. A cat that is near death may purr.

Do cats control their purring? ›

According to the this theory, purring is unlike speech. It's more like involuntary snoring, which cats have no control over. It is a purely physiological feature of how air stimulates the cat's larynx in a way that triggers self-sustaining low-frequency oscillations of the cat's vocal cords.

Does purring mean cats are happy? ›

Purring. In many cases, soft, gentle purrs signal your cat's satisfaction with the world, providing an audible sign of her contentment. But purring doesn't always indicate happiness; some cats also purr when they are hungry or stressed.

What are cats trying to say when they purr? ›

Purring is usually a sign of contentment. Cats purr whenever they're happy, even while they're eating. Sometimes, however, a cat may purr when they're anxious or sick, using their purr to comfort themselves, like a child sucking their thumb.

Why do cats purr too much? ›

When cats purr a lot, it's usually a good thing, so constant purring might not be a sign of a problem. For example, if your cat purrs whenever you enter the room or stroke them, they're probably happy. In fact, it's normal for many cats to be very purry and is just a sign that they're feeling good.

Do cats understand if you meow? ›

Will My Cat Understand If I “Meow”? Sorry to break it to you, but human meows mean nothing to cats. At most, you can get your cat's attention and they may even appreciate your attempts to communicate by purring or even meowing back. But to most cats, human meows sound like human language.

Do cats try to heal you? ›

In fact, there is some evidence that the cat's vocalizations could be healing. Purring has been observed to have potential anti-inflammatory effects in cats, and their instinct to purr during times of pain could be an attempt to self-soothe or provide comfort to their owners.

Do cats miss their owners? ›

Do cats miss people? Yes, they do. However, this depends on their relationship and bond with people.

What does it mean if a cat is licking you? ›

Why do cats lick you and is it normal? Article checked by a vet. It's normal for cats to lick their owners. They'll usually do this to show affection and be sociable, or they could even be marking their scent or trying to groom you..

Why does my cat stare at me? ›

Cats may stare at their owners for various reasons, including communication, hunting instinct, affection, fear or stress, or simple curiosity. Many cat owners have experienced the creepy sensation of being stared at by their feline friend without blinking.

What if I purr back to my cat? ›

Interest: Some cats may respond positively to hearing a human mimic their purring by showing interest or curiosity. They might approach you, purr more loudly, or even nuzzle or knead you in response. Relaxation: Mimicking a cat's purr can create a soothing and calming effect, which may help to relax the cat.

What does it mean when cats rub against you? ›

Rubbing: Love and Scent Marking

When your cat rubs against you, they're not just showing affection – they're marking you as theirs. It's like they're saying, "You're in my gang!" They leave their scent on you as a sign of ownership and to show off a bit.

Is it OK for a cat to purr all the time? ›

If they are purring a lot more than usual or in different situations than they normally would, this could be a sign that something is wrong. If you notice any change in your cat's behaviour, take them to the vet to get them checked out. Another possible reason for cats purring is to sooth themselves and help them heal.

Why does my cat lay next to me purring? ›

When your cat purrs and sleeps on you, it's another positive sign of their contentment and trust. Purring is a cat's way of expressing happiness and relaxation. It also indicates that they feel safe with you, reflecting a deep bonding between you and your cat.

Why does my cat follow me everywhere? ›

“Cats can form strong social bonds and often want to spend all their time with those they are closest to,” says Dr. Youens. If there's one person they trust more than anyone else, a cat may start following that person around everywhere. A cat's breed can also come into play here.

Do cats have to consciously purr? ›

In fact, it is likely a conscious choice on the part of the cat. Cats may be using purring as a tactic to get what they want from their owners. A study from the University of Sussex in the UK found that cats can conceal a barely audible cry inside their purring, a cry that appeals to the owner's nurturing instincts.

Do cats control how loud they purr? ›

It suggests that the low frequency sounds in purring can be produced without the fine control of the vocal chords. Instead, fibrous tissues in the chords allow an animal only a few kilograms in size produce such deep resonant noises.

Can cats stop purring when they want? ›

A sudden stop in purring could suggest that your cat is stressed or injured/unwell. As a purr usually suggests satisfaction, if your cat has stopped purring it could signify that they are unhappy, potentially stressed by something and staying on high alert, unable to fully relax and feel content as per usual.

Do cats purr to calm themselves? ›

Scientists believe cats purr to calm themselves, meaning they're just as likely to do it in a stressful or painful situation as they are when curled up in their owner's lap. The low-frequency vibrations that purring creates help them ease their breathing and soothe tension.

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