Why Your Cat’s Tail Has a Mind of Its Own

What is a cat’s tail for?

A cat’s tail serves several important functions. First and foremost, cats use their tails to communicate. The position, movement, and overall carriage of the tail conveys a cat’s mood and intentions. A tail held high with a hooked tip signals confidence, friendliness, and greeting. A tail tucked close to the body indicates fear, while a thrashing tail often shows irritation or agitation. The Anatomy Of A Cat Tail details how tail movements are key to feline body language.

cat with upright tail

In addition to communication, a cat’s tail aids balance and movement. The tail acts as a counterweight when cats walk along narrow surfaces, make sharp turns, or quickly change direction during play. It stabilizes the body and helps coordinate agile leaps and jumps. Anatomically, the tail contains vertebrae, muscles, tendons, arteries, and nerves that facilitate its mobility and control. According to Structure and Function of the Tail in Cats, specialized muscles and tendons allow the tail to move in a wide range of directions.

Cat tail movements and what they mean

Cat tails can communicate a range of emotions and meanings. The way a cat holds and moves their tail gives important clues about their current mood.

When a cat first sees you and is feeling sociable, they often hold their tail upright as a friendly greeting. The upright tail with a hooked tip signals that your cat is happy to see you and invites interaction (https://www.hillspet.com/cat-care/behavior-appearance/cat-tail-language).

A cat swishing their tail forcefully from side to side tends to indicate irritation or annoyance. This is a common sign to stop petting or touching them. The swishing shows your cat is becoming impatient and agitated with the current situation (https://www.petmd.com/cat/behavior/cat-tail-language).

Similarly, rapid flicking or twitching of just the tip of the tail signals caution or agitation in cats. It means they are feeling threatened and it is a warning sign before potential aggression. Flicking shows your cat is on high alert and prepared to respond to danger (https://www.hillspet.com/cat-care/behavior-appearance/cat-tail-language).

When a cat holds their tail down low between their legs it is a common sign of feeling fear or being scared. The lowered tail makes the cat appear smaller and less threatening during times of distress. Seeing this tail posture often means your cat is frightened by something and needs reassurance (https://www.petmd.com/cat/behavior/cat-tail-language).

Is cat tail wagging involuntary?

Tail wagging in cats is usually an involuntary response controlled by the limbic system in the brain, rather than a deliberate movement like wagging is for dogs. According to veterinarian Dr. Katy Nelson, “a cat’s tail may involuntarily jerk or twitch when overstimulated or aroused.” So when you see a cat’s tail wagging quickly back and forth, it’s often indicating a state of arousal or excitement, rather than necessarily happiness.

cat with bushy tail

This involuntary tail wagging is similar to how humans can make small involuntary motions when stimulated, like jerking your head back when startled. Since it originates in the primal limbic system rather than the conscious frontal cortex, rapid tail motion is an instinctual reaction cats don’t have direct control over.

So in summary, cat tail wagging is usually an automatic response to arousal or overstimulation, rather than a deliberate movement the cat consciously controls.

Differences between cat and dog tail wagging

There are some key differences between the way cats and dogs use their tails to communicate. According to this Quora post, the main distinction is that dogs wag their tails to indicate friendliness and excitement, whereas cat tail wagging is often an involuntary response:

“Dogs wag their tails when they are happy and excited. Cats wag their tails when they are excited, tense, nervous and ready to attack.”

For dogs, tail wagging is a conscious way of communicating positive emotions. But for cats, tail movements are more complex and not always under their control. As this section will discuss, cat tail wagging can signify stress, irritation, over-stimulation and more.

Unlike dogs, who generally wag their tails in a friendly way, cats do not have voluntary control of tail wagging. Their tails often move involuntarily in response to strong emotions and stimuli.

How to Read Your Cat’s Tail

A cat’s tail can reveal a lot about its mood and intentions. To interpret tail signals, it’s important to look at the whole picture rather than just the tail on its own.

observing cat body language

Start by observing your cat’s overall posture – is its body relaxed and loose or tense and upright? Take note of the speed and shape of the tail wagging. A slow, lazy wag indicates a content, relaxed state while fast, whip-like wagging often signals agitation or overstimulation. Additionally, an upright tail with a hooked tip is a sign of greeting while thrashing from side to side shows conflicted emotions.

Breed tendencies are also helpful for reading tail language. For example, Maine Coons and Manx cats communicate differently than other breeds due to their distinctive tail types.

With practice, you’ll become fluent in your cat’s unique tail vocabulary. A swishing tail doesn’t automatically mean annoyance – look at the full context for a true interpretation.

When tail wagging may be voluntary

While a cat’s tail movements are mostly involuntary, there are some instances when a cat may consciously control tail wagging. Two key examples of voluntary tail wagging in cats are:

Slow wag while observing prey – When a cat is intently watching potential prey, like a bird or mouse, they may slowly wag their tail back and forth. This voluntary motion shows the cat’s concentration and anticipation before pouncing. It’s a way for the cat to “lock on” to the prey target. According to researchers, the tail helps stabilize the cat’s body prior to the kill.[1]

Rise in base of tail when greeting humans – Many cats will lift the base of their tail straight up as a “hello” to their favorite humans. Especially when being petted, cats will voluntarily raise their tails up with a little curl at the end to express happiness and affection. This tail position signals the cat is relaxed and content.[2]

Medical causes of excessive tail wagging

While some tail wagging in cats is normal, excessive or constant wagging may be a sign of an underlying medical issue. Some common medical causes of excessive tail wagging in cats include:

Hyperthyroidism – An overactive thyroid gland leads to increased metabolism and anxiety, which can cause excessive tail wagging. Hyperthyroidism is one of the most common medical issues affecting older cats.

senior cat with health issues

Cognitive dysfunction – Similar to dementia in humans, cognitive dysfunction causes changes in awareness, learning and memory in senior cats. It can lead to behavioral changes like tail wagging due to disorientation or anxiety. Treatment usually involves medications and dietary supplements.

Neurological disorders – Conditions affecting the nervous system, like seizures, tremors, or nerve damage can cause involuntary twitching or wagging motions of the tail. Diagnostic testing like MRIs or spinal taps may be needed to identify the cause.

If your cat is wagging their tail constantly or excessively, take them to the vet for an examination. Bloodwork and other tests can check for medical problems leading to the behavior. Treatment will depend on the underlying cause identified.

Sources:

https://www.veterinarypracticenews.com/why-is-my-geriatric-cat-wagging-her-tail/

https://www.thesprucepets.com/cat-tail-wagging-553912

Is excessive wagging harmful?

Excessive tail wagging by itself is not usually dangerous or harmful to a cat’s health 1. However, it can sometimes indicate underlying medical issues that should be checked out.

Rapid, constant tail wagging may be a sign of neurological problems, injuries, infections, or other conditions causing irritation, pain, or lack of control over muscles. Diseases affecting the brain, spine, or nerves can potentially lead to excessive involuntary tail movements.

There are also instances where environmental factors or stressors, like too much noise or activity, may cause agitation and excessive wagging. Changes to the home environment should be considered as a potential cause.

If your cat is wagging its tail constantly and it’s a significant change in behavior, it’s a good idea to get it checked out by a veterinarian. They can examine your cat and determine if there’s an underlying medical issue that requires treatment. While excessive wagging on its own may not be dangerous, the cause for it could potentially be serious.

In most cases, tail wagging eventually subsides on its own or when the source of stress or irritation is removed. But it’s always wise to consult your vet if you have any concerns about your cat’s erratic tail movements or other behavioral changes.

Training a cat not to wag its tail

As cat tail wagging is largely an involuntary behavior, it can be difficult to train a cat not to wag its tail. The tail movements are a natural communication signal for cats that serves an important purpose. Instead of training a cat not to wag entirely, it may be more effective to redirect the cat to more desirable behaviors and modify the environment to avoid triggers that lead to excessive wagging.

For example, if a cat wags its tail vigorously when overstimulated, provide more enrichment activities to redirect energy and make sure the cat has a comfortable, low-stress space to retreat to. If wagging occurs during play, redirect to toys that allow for appropriate energetic movements. Excessive pestering from children can also cause agitated tail wagging, so provide a safe area off-limits to kids where the cat can relax.

While involuntary tail motion cannot be easily trained out of a cat, addressing the underlying causes through positive reinforcement of calm behaviors and environmental management can help minimize situations that lead to bothersome tail wagging.

When to see the vet for tail wagging

In some cases, excessive or abnormal tail wagging in cats should prompt a veterinary visit. Specifically, you may want to consult a vet if the tail wagging occurs alongside other symptoms like unprovoked aggression or growling. These behaviors together could signal an underlying medical issue causing your cat distress.

It’s also wise to schedule a vet appointment if your cat suddenly starts wagging its tail excessively when this was not a common behavior before. Dramatic changes in tail movements may indicate pain or injury that requires medical attention.

Furthermore, take your cat to the vet if the tail itself seems painful or injured when touched or moved. Signs could include swelling, sensitivity, cuts, or scabs on the tail. Your vet can examine the tail, diagnose any issues, and prescribe treatment to help heal wounds and reduce discomfort.

While involuntary tail wagging is normal for cats, excessive, unusual, or painful movements warrant a trip to the vet. By identifying any underlying medical causes early, treatment can help resolve symptoms and support your cat’s health and wellbeing.

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