Not Just Aggression: 6 Reasons of Dog Growling and Snarling (2023)

Naturally, many of us may have kept a certain distance on occasions when we hear a growling dog. This begs the question — does it automatically signal aggression when you hear your dog growling? Why do dogs growl?

It’s easy to associate dog growling with aggression. Still, when you put things into context and observe your dog carefully, you’ll be able to understand that there are actually different types of dog growls, each with their own meaning.

For dogs, growling is a way of communication. From expressing their pleasure as you rub their belly to snarling at another dog, there are several possible reasons why your dog growls.

As stated in a study, dog growls express various contextual and affective content for humans. One way of understanding the meaning of their behavior is by being observant of your dog’s situation whenever they growl.

While the sounds might be similar, it helps to take notice of the nuances. At the same time, being mindful of your dog’s body language when they growl is equally important.

Reasons Why Dogs Growl or Snarl

Take a look at the possible reasons why dogs growl, what it means, and how you can adequately address this behavior.

Threat or Fear

This type of growl with a low volume and a deep, rumbling sound usually happens when a dog feels scared, possessive, or threatened. It is a warning growl that indicates their discomfort in a particular situation. For example, some dogs may suddenly growl when there are strangers or new people in your home because they may feel threatened and are being territorial.

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Another example is dog growling when they are in an unfamiliar place or when they hear scary sounds such as thunderstorms. Or maybe they growl when you come near while eating their meal, which is a sign of resource guarding. This kind of growl is a warning to back off.

Oftentimes, this growl is accompanied by a closed mouth, no breathing, a stiffened body, and dilated pupils. It usually starts in a subtle manner, but may escalate if they feel a prolonged threat. If you hear this growl, observe what is causing it and remove the cause if possible. You can also place a partition between them and the “threat” to block their view. In some cases, you might need some help from a trainer or animal behaviorist to address the behavior.

Play Growling

Have you noticed your dog growling when they’re having a good time? There is usually no need to fret. In some instances, it may actually mean that they’re having so much fun that they don’t want to stop playing.

A play growl can be easily distinguished from other types of growls as it’s higher-pitched and shorter than others. At the same time, a dog’s body language may also indicate their happiness. For example, they may bend forward with their behinds raised, and they may show bounding movements or a relaxed demeanor.

This type of growl often occurs when dogs are playing with each other or when tug toys are involved when you play with them. There’s usually nothing to worry about when your dog is growling during play. However, it is important to monitor them to make sure that it doesn’t lead to aggression caused by too much energy, especially with puppies.

When things get rough, you may initiate break-time from playing to calm your dog down a bit before allowing them to play again to ensure that it doesn’t lead to fighting. If you’re a new dog owner, it might help to observe dogs in the park and see what play behavior is like to differentiate it from aggression or other forms of expression.


Another possible reason for dog growling is when your dog is frustrated because of not getting what they want. This type of growl may be characterized by wanting to get near their object of desire, anxiously running about, and sometimes even snarling as they growl. When taken at face value, it is quite similar to aggressive growling. Differentiating the two would depend on the depth of your understanding of your dog’s behavior.

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For example, if your dog is friendly and growls while pulling you towards another dog while you walk them on their leash, they are likely frustrated because of not being able to go near and play with the dog (or at least not soon enough). It may also be that they are already hungry and are trying to communicate that they want to be fed.

Because frustration growling is similar to aggressive growling, even if the former means no harm, it may be misinterpreted by other dogs or humans who don’t know your dog that well, if at all. This, in turn, could lead to a fight. There’s also a possibility of your dog biting and nipping due to the excess energy of being frustrated by the restraint. Therefore, if your dog often exhibits frustrated growling and you’re having a hard time training them, you may need to seek the help of a professional trainer to be able to address the problem together.

Pleasure and Affection

Just like when a cat purrs to show affection, some dogs may also express affection through sounds on occasion. For example, when you pet your dog, they may make a long and deep-sounding growl that seems like they’re talking to you, along with a body language that’s loose and relaxed. They may also growl whenever you rub their belly, showing pleasure and contentment. It means that dog growling when petted is nothing to be concerned about and is often a tender expression of your dog’s love towards you.

When your dog exhibits an affectionate growl, you’ll most likely realize that what they’re feeling is far from aggression. A problem only arises when their growling is misinterpreted as aggression by other people. With this, it might be a good idea to tell those who want to pet your dog that they shouldn’t be surprised or afraid whenever their dog growls that way.

Meanwhile, if your dog seems needy and often growls affectionately, it may be a sign that they are craving more attention or stimulation. Among the solutions to this is providing more exercise for your dog, playing with them more often, or giving them toys that would keep them stimulated.


A dog growl that is caused by aggression involves expressing power. Sometimes canines are trying to dominate another dog or animal. Another possible instance is when their innate hunting instincts kick in after being triggered by something they saw. As aggressive growling may lead to fighting and biting, it is necessary to be careful and determine what is causing your dog to be aggressive.

You’ll most likely know when your dog is expressing an aggressive growl, as your dog’s temperament and body language would indicate that it’s the opposite of affection or having fun.

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You can identify this growl as having loud, deep, and lengthy rumbles. At the same time, their body may appear stiff, raised, forward-leaning, snarling, and ready to attack.

A growling and snarling dog may be dangerous if not appropriately handled. However, it is important to understand that punishment does not help aggression. Instead, you can seek help and guidance from professional dog trainers or animal behaviorists to determine how to stop their behavior the right way.


When your pooch is in pain, they may growl to express how they are feeling. You may have noticed a time when you touched your dog at a particular body part when they suddenly growl and move away or possibly resort to nipping, only to find out that it’s because your dog is injured or in pain. This growl may come off similar to a yelp and may sound fearful.

Being aware of the signs of pain in dogs would go a long way. Therefore, if your dog emits painful growls, you need to determine the cause and give them the necessary treatment.

Steps to Address The Dog Growling Behavior

For dogs, growling is one way of communicating with us humans and other animals alike. And while some may think that this behavior should be eliminated, it is actually valuable in the relationship between humans and dogs. Suppressing our dog’s growls would remove their ability to warn us if they’re uncomfortable, in pain, or about to snap.

Not to mention, you may also miss out on them expressing their affection vocally. On the other hand, punishing dogs for growling may lead to heightened aggression and fear. So what are the steps to address the behavior of dog growling?

  • Determine the cause

What is the situation when your dog is growling? If they suddenly exhibit this behavior, can you pinpoint what has changed in their surroundings? Being mindful of these things as you observe your dog is necessary to be able to support them.

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  • Help your dog relax

If you show anxiety when they are growling due to fear, threat, aggression, or pain, they may become even tenser. What you can do is keep calm and wait until your dog becomes relaxed, and as you proceed, reward them for good behavior.

  • Reduce or eliminate the stressors

When you’ve determined what’s causing your dog to growl, reduce or eliminate the problem. For example, when an unfamiliar person in your house is causing the stress, lead your dog to a different room. During thunderstorms, initiate playtime with your dog to help them calm down.

  • Explore ways to redirect it

When a dog growl is caused by something that is making your dog uncomfortable or tense, you can redirect this behavior with the help of treats, toys, and games. This way, you will redirect your pup’s attention and hopefully stop dog growling for no reason.

  • Get professional help

When your dog’s growls are due to tension, frustration, pain, fear, or aggression, you may need to seek the help of a professional dog trainer or behavior specialist to train your dog not to growl in certain situations.


There are different types of growling, and they may mean various things. Generally, pleasure and play growls are nothing to be worried about and are actually moments that you can cherish with your dog. However, some growls may escalate to problematic levels when not addressed early, so it’s important to know what can be done to prevent this.

Dog trainers and animal behaviorists may help you in addressing these behavior if needed. Ultimately, it is necessary to know the root causes of your dog’s growls to be able to come up with the best solutions that would benefit your dog (and you, too) in the long run.


Why is my dog growling and snarling? ›

A dog might growl to threaten another dog, or it might be a response to feeling cornered. Growling is also a common symptom of resource guarding. An injured dog will often growl to keep others at bay. In these cases, and more, growling indicates something is bothering your dog.

How do I stop my dog growling and snarling? ›

Do not ignore the warning growl and continue to approach or force the dog to do something against his will. Instead, try to diffuse the situation by backing away, avoiding eye contact, and making appeasement signals such as yawning.

What causes a dog to growl for no reason? ›

The most common reasons dogs growl are fear, possession aggression, territoriality, and pain. Some dogs also growl when playing. Play growling is often seen when two dogs are having a safe, healthy play session. In this case, the growling does not necessarily indicate aggression.

What does a low growl from a dog mean? ›

If you catch your dog in a bad mood, and they growl at you, it may be a low rumbling growl, which can mean “leave me alone.” It is best to listen to your pup when they express their desire to be left alone. You may be able to tell more from their stiff body posture.

What to do if your dog growls and snaps at you? ›

If his growl doesn't mean a bite is imminent, stop what you're doing but stay where you are. Wait until he relaxes, then move away, so you're rewarding the relaxed behavior rather than the growl.

What is dog rage syndrome? ›

The behavior associated with Rage Syndrome includes outbursts of aggression that are intense and at times unpredictable. These episodes also tend to be large dramatic responses relative to a seemingly benign situation. Affected dogs often freeze, stare, and may rapidly escalate to biting.

Should I discipline my dog when he growls? ›

If you punish a growl with a reprimand, you are adding something unpleasant on top of an already unpleasant feeling, which will only make your dog feel worse. If instead, you teach your dog to look forward to the things he was previously afraid of, your dog will stop needing to growl! Happy Training!

Should you correct a dog for growling? ›

You cannot punish an emotion out of a dog (or a human). Growling is just your dog's way of trying to tell you something important, and you should listen and genuinely thank your dog for the honest feedback. Growling is your dog's way of begging you to stop what you're doing and move away.

Should you scold a dog for growling? ›

Punishment of the growling behavior hinders your dog's ability to communicate how he's feeling and decreases his warning signals before a bite. Dogs that have been punished for growling or other aggressive warning signals may progress faster into a bite, and they may display fewer warning signs.

When should I be worried about my dog growling? ›

If your dog continues to growl, refuses to take rewards, appears fearful and anxious, or escalates their behavior to barking, lunging, and biting, then it is time to see a board-certified animal behavior professional such as a veterinary behaviorist (DACVM) or an applied animal behaviorist (CAAB).

How do you calm a growling dog? ›

What to do during an angry dog faceoff
  1. Stay still. ...
  2. If the dog won't back down and it does start to attack, curl into a ball on the ground. ...
  3. Don't make eye contact with the animal. ...
  4. Don't bare your teeth. ...
  5. Speak softly with a soothing town. ...
  6. In the event the dog bites you, don't try to run away or jerk away.
Feb 7, 2018

What does it mean when a dog growls but wags tail? ›

A confident dog wanting you to move away will often deliver a low-pitched warning growl. His body will stiffen and the loose circular wag may become a stiff side-to-side motion. 2. A scared dog who really doesn't want to defend himself may make a high-pitched growl-bark to get you to move away from him.

What to do if dog snarls? ›

What do you do when a dog growls at you?
  1. Stop Moving. Instead, what you want to do is freeze for a moment and then withdraw. ...
  2. Back Away From the Dog. Once you're out of the dog's immediate space, you want to back away in a slow – but not so slow that you look like you're scared – manner. ...
  3. Do Not Talk to the Dog.
Feb 23, 2018

Do dogs have different types of growls? ›

You may find that your dog makes different types of growling sounds in different situations, and learning to recognise the circumstance of each dog growl will help you to identify what it is your dog is trying to say. Those sounds may seem similar to us, but it's all about context!

Should I be worried if my dog growls at me? ›

Growling is just your dog's way of trying to tell you something important, and you should listen and genuinely thank your dog for the honest feedback. Growling is your dog's way of begging you to stop what you're doing and move away. It's not a challenge to your hierarchical status in your home.


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