What is a hackle on a dog? Surprising Answer

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Situation: Your dog raises its hackles when playing with other dogs

What You Should Do: If your dog is playing happily with other dogs and its hackles are raised, there’s normally no need to worry – it’s a likely sign that they’re having a good time!

Raised hackles during playtime means that they are stimulated and excited, and unless accompanied by signs of aggression, there’s nothing to worry about.

This could also be a sign that they are asserting their dominance, which doesn’t always mean it’s likely to be followed by aggression.

What Not To Do: There’s no need to panic and tell your dog to stop playing or to calm down!

Your dog will not understand what they have done wrong, and could begin displaying other strange behaviors when socializing as a result of the confusion.

Unless the other dog’s owner disapproves of the playfulness, let them crack on with their fun!

What Action Should You Take When Your Dog’s Hackles Are Raised?

When a dog raises its hackles it’s definitely time to pay attention to whatever it is that’s causing them to be overly stimulated, particularly when dealing with dogs or situations that you are unfamiliar with.

You may need to de-escalate the situation by removing your dog from the current environment they are in, or you may simply just need to observe their subsequent behavior.

The action you should take depends on the situation and the likely causes for stimulation, along with the other signs being displayed by your dog.

10 Important Cues with Raised Hackles

Raised hackles on their own might not tell you an awful lot, but when combined with other body language and cues, they can provide a more accurate picture of how your dog is feeling.

Here are 10 important things to look out for:

Often seen when a dog is trying to show submission, lip licking can be a sign of nervousness or anxiety.

It is also used as a means to calm down other dogs, by communicating that they are no threat, in order to diffuse a tense situation.

A wagging tail can generally be seen as a sign of happiness, but that’s not always the case.

If it’s wagging low, this could be a sign that your dog is feeling threatened, and is still assessing the situation.

A fast wagging tail coupled with hackles could be an indication of fear-based aggression rather than confidence-based aggression.

A dog that has its tail tucked between its legs is indicating that it feels scared and vulnerable.

This posture is often seen when dogs see or hear something that is causing them fear and anxiety.

Dogs will sometimes freeze in place when they feel threatened.

This can be a sign that they are trying to assess the situation and figure out what to do next, whilst carrying out their own risk assessment.

This indicates that the dog is alert and interested in what’s going on around it, and is normally a sign of confidence.

When your dog has raised hackles with their ears pinned back, they are likely to be fearful, defensive, or unsure about their surroundings.

Similar to ears being pinned back, wide eyes are also a sign that the dog feels threatened by something or someone, and is on high alert.

Barking is a dog’s way of expressing itself vocally. Unlike humans, dogs can’t use words to tell us how they’re feeling, so barking gives you a good indication of how your dog perceives the situation around them.

Every dog owner should be able to distinguish the difference between a defensive bark vs a playful bark when it comes to their dog.

When coupled with raised hackles, growling is generally a dog’s way of saying “I don’t like this (or you), back off right now.”

It’s often accompanied by other defensive body language such as bared teeth.

Sniffing is a dog’s way of taking in information about their environment.

When a dog goes on a sniffing rampage with its hackles raised, they’ve usually been triggered by the scent of another animal.

This is most likely to occur in the dog’s own territory – like their backyard.

Why Do Dogs Raise Their Hackles?

Raised hackles, the hair on a dog’s back and neck, confuse many pet parents. They may see them as a sign of aggression, but that isn’t always the case. Raised hackles do not qualify as a behavior, as they are an involuntary reflex triggered by something that put the dog into a state of arousal. There is actually a medical term for the reaction: piloerection (pilo referring to “hair” in medical terms).

Raised hackles could be a sign of fear, anxiety, excitement, nervousness or anger. If you notice raised hackles on your dog, you must look at other body language and the context to understand what is happening. Only then can you know how to respond.

My German Shepherd Dog, Ginger, used to display raised hackles every time she met a new dog. I rescued her when she was 7 months old. She hadn’t been properly socialized because she had parvovirus as a pup and needed to be kept away from other dogs until she fully recovered. When she was well enough to finally meet other pups, she was beyond the critical period of puppy socialization and was out of control on the leash, which is why I rescued her.

Meeting new dogs caused her much anxiety, and as an adult that manifested into raised hackles. All of her other body parts conveyed appeasing signals: low horizontal tail wagging, squinty eyes and a paw lift — all with wiggly interest. The good news was I understood her behavior, and the better news was that dogs we met also read and understood her body language: she was anxious yet friendly, willing to greet. This from my Dog Decoder app perfectly represents Ginger in this state.

Ginger got over her initial anxiety within the first 60 seconds of meeting a new dog, and she was the friendliest pup who loved to rough and tumble with the best of them. If I didn’t understand her raised hackles and body language, and saw it as aggression that required her to be removed from the situation, her continued lack of socialization would have caused her to become more anxious and even aggressive, when that wasn’t her original intent.

Jack, another pup I worked with in the past, also displayed raised hackles whenever he saw another dog, but because of a different trigger. His was pure and uncontrollable excitement, always wanting to play. He was overly exuberant in his greetings, and oftentimes this put other dogs off from wanting to meet him.

Many dogs displaying this kind of behavior have raised hackles while the rest of their body suggests play: fast horizontal tail wagging, forward ears, even barking and lunging on the leash in excitement. Some might see this as aggressive, too, because of the raised hackles, but for Jack in this situation, it wasn’t at all.

In this next , you’ll see slightly raised hackles at the shoulders and just along the top of the left dog’s back, along with ears back and down, hard eyes, tail high, wide open mouth with teeth showing, and more of a rigid body posture. This combination of raised hackles and body behavior signals aggression from the dog.

If a dog is highly aroused, the hair can stand up from their neck all the way to the tip of their tail, as shown in the predatory stalking below. However, there is no consistent pattern that correlates the amount of hair raised and where to a particular behavior. Each dog and each situation are different.