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Cat in a home

How Cats Communicate

More than just meowing, cats have various ways of interacting with other cats, animals and humans

14.10.2021

With many forms of communication, cats have developed a wide range of body movements and sounds to show their needs and expressions to others. How well can you understand your cat?

Body language: visual communication

When a cat lives with a human, it very quickly learns to read their mood at any given moment from their body language, the sound of their voice and eye contact with them. Cats are extremely good at picking up on emotions such as nervousness, fear, affection and joy. 

A cat uses these forms of communication too, so if we make a point of observing its behaviour, mutual understanding is entirely possible. To interpret a cat’s body language properly, it is important to notice changes in posture, including some that are very subtle. 

This body language is mostly quite inconspicuous. Unambiguous physical signals can only be found in fully developed emotional states. This makes it all the more important to learn to observe and to recognise increasingly subtle signs.

Transmissions from the tail

The tail is a cat’s most important balancing rod in situations of emotional conflict, although it is not all that easy to get a clear picture of its emotional state from the tail’s position and motion: 

  • Tail upright: this is mainly a sign of pleased greeting – kittens greet their mother this way. However, even in this position, the tail can express extreme rage and readiness to fight.
  • Tail moving rapidly to and fro: indicates excitement– either positive or negative. When the tail moves this way, it can also be hinting at conflicted feelings.
  • Tip of tail twitching, rest of tail relaxed: indicates excitement, albeit relatively slight.
  • Whipping: if a cat is feeling aggressive, its tail whips from side to side.
  • Tail puffed up: indicates a high level of fear. Usually accompanied by the cat drawing its tail in between its hind legs.

Expressive eyes

The degree to which the eyes are open is another factor that can tell us much about a cat’s emotional state. 

A cat’s eyes will be fully open:

  • if it is alert because it does not fully trust its surroundings or those present – in other words, if it is agitated
  • if it is excited
  • if it is curious
  • if it is ready to hunt
  • if it aims to threaten (threatening stare)

A cat’s eyes will be partly or fully closed:

  • if it is relaxed (deep sleep, brief dose); the other senses keep watch and the cat can still – if necessary – awaken to full alertness in a flash
  • as a means of pacification: when two cats confront each other, the weaker of the two can be seen attempting to reduce the tension by closing its eyes; the aim is to calm its stronger opponent staring at it directly

When living with a cat, we should take care to avoid staring directly at it with wide open eyes, as this will make it feel threatened. If we repeatedly close our eyes, however, this will communicate our peaceful intentions. The cat too will blink, in order to preserve its peaceful status with us.

The width of the pupils

Signals about a cat’s mood can also be found in the shape of its pupils. However, light intensity must also be taken into account, as this is another key factor in determining pupil size: in low light, the pupils will dilate irrespective of a cat’s mood. If the cat is excited or agitated, its pupils will expand into big circles even if there is plenty of light. Conversely, in a confrontation between two rival cats, the stronger animal’s pupils can be observed as vertical slits, although since this cat too will generally have mixed feelings (including fear), the size of its pupils will fluctuate subtly throughout the encounter.

Ears: a mood barometer 

With over 30 muscles involved, the position of the ears reveals a great deal. Changes occur not only when a cat hears noises from a variety of directions but also when it wants to communicate a given emotional state. 

  • Relaxation: the ear apertures are turned forward and the ears themselves slightly to the side, to pick up sounds from the distance.
  • Attentiveness: if noises get closer, engaging the cat’s attention, it stares at the object in question, turning its ears pointedly in the same direction.
  • Nervousness: the ears twitch. In some wild cats, this is reinforced by tufts of hair on the ears.
  • Defence and fear: the ears are laid flat, pointing backwards. This also serves to protect them against dangerous blows from their opponent’s claws. When living with a cat, humans should be especially cautious when it swivels its ears backwards and starts to drop them, as this indicates that it is in fear of some threat.
  • Aggression and attack: although the ears are already turned backwards to allow the cat to drop them in the event of danger, at this point they are still upright in order to convey confidence. In some wild species (e.g. tigers), the ear positioning is reinforced by markings on the back of the ears.

In neutral situations, the ears will be in a central position, to allow them to react swiftly to the slightest change in the cat’s surroundings. 

Whiskers

The primary function of a cat’s whiskers is to help them hunt in the dark. However, their position can also convey information about a cat’s emotional state. They will be angled forward if the cat is curious, wants to investigate something or is cautiously checking something out. Conversely, they will be angled backwards when it is in defensive mode or wishes to avoid contact with something threatening. If the cat is ready to fight, they spread out into broad fans. 

Fear and confidence

A cat often finds itself caught between courage and caution. Its mood will generally be ambiguous, superimposing threatening and defensive attitudes. This ambivalent posture can, for example, be observed when a cat faces off against a dog (especially if defending its young). Its readiness to fight can be seen in the stiffness of its legs, while its fear is expressed in its arched back.

  • Signs of fear: if a cat finds a situation frightening, it will want to take flight as quickly as possible. It will crouch down low to the ground, with its ears and is puffed-up tail drawn in tightly against its body.
  • Signs of confidence: when a cat lies on its back with its belly exposed, this can be taken as a sign of trust. Because it feels safe, it also feels able to adopt this vulnerable position. (This does not, however, mean it will be happy to be touched on its belly. It may, indeed, respond by lashing out with its paws. It is essential to respect this, so as not to diminish the cat’s trust!)

Sounds: aural communication

Although the cat is not considered a particularly gregarious animal, it does have an exceptionally wide-ranging repertoire of sounds. This is because domestic cats have two different vocabularies. In contrast to wild cats, who abandon the language of kittens for a different one in adulthood, domestic cats that are cared for by humans retain the language used between feline mothers and their young, even when they reach maturity. In fact, they even expand this through dealing with humans. The domestic cat also has at its disposal the means of expression of an adult cat. 

  • Meowing: when cats live with humans, the sound they make most often is a mewing intended to attract attention, either to themselves or to something else. This sound has its origins in the meowing of a kitten calling for its mother.
  • Cooing: also derived from the vocabulary of infancy is the cooing sound used by a mother cat to call or greet her young. A trusted human will also be greeted with this sound or encouraged to follow a cat in order to engage in play or similar activities.
  • Purring: the purring of a cat is very often misunderstood. It does not always mean the cat is happy and contented: in fact, it is more likely to be meant as an expression of peaceful intentions. It is also possible that the cat is actually purring in order to calm itself (e.g. because it is in pain), it's young or a hostile cat. Of course, purring does not exclude contentment, and if the cat is feeling good, its trusted human will notice this from the rest of its behaviour.
  • Hissing: hissing and spitting is probably some kind of imitation of a snake. Research has shown that many mammals have an innate fear of being bitten by a poisonous snake and that when cornered, a cat will therefore use this method to try to fend off the attack.
  • Snarling, chattering: can be seen as being partly connected with hunting. In a variety of confrontations between cats or with other animals, a wide range of other sounds can be heard. In general, the sounds made by a wild cat will be quieter, so as to avoid startling its prey or giving away the location of a safe lair to its enemies.

Smells: olfactory communication

Cats mark their patch with various smells at regular intervals, leaving invisible messages in the world around them. They do this using their own excretions, scent glands on various parts of their bodies (cheeks, chin, lips, the base of the tail), oil glands on their hair follicles and sweat from their paws. There are also other more visible signals, such as excrement left uncovered and sprayed with a liquid from its anal glands. 

Touching: tactile communication

Being a nocturnal animal first and foremost, a cat relies on its highly developed sense of touch to a considerable degree. Its whiskers contain tactile receptors, and their overall span is approximately the same as that of the cat’s body, allowing it to gauge whether it will be able to get through a narrow space.

  • Touch: furthermore, highly sensitive tactile receptors are distributed all over a cat’s body. They react to physical contact, providing the cat with information about the ground conditions. Likewise, the nose includes receptors used, for example, to identify other cats that are familiar acquaintances. Cats often use head-to-head contact to greet their acquaintances (sometimes referred to as “head bunting”), and this is why many of them will rear up on their hind legs when greeting a trusted human, to get nearer to that person’s head.
  • Physical contactstroking: kittens enjoy being carefully licked clean by their mother since they associate maternal care with protection and safety. However, even among adult cats, mutual grooming takes place not so much for purposes of hygiene as to reinforce social bonds. This is why, when living with humans, cats like it when we stroke them – even if they generally want to be the ones to decide when this should happen! To show that they are enjoying this demonstration of affection, they often lift their hindquarters and tail vertically – just like a kitten inviting its mother to groom its hindquarters.

To build up a foundation of trust and a deep-seated relationship with a cat, it is very important to take this body language seriously and respect it. If a cat acts aggressively, either on a frequent basis or suddenly but intensely, the owner should also investigate whether there may be a physical trigger for this behaviour, such as pain or illness.

To build up a positive relationship

it is essential to understand all these forms of expression. The better you know your cat, the more intense the bond will be.

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