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Barking and lunging on walks is usually called leash reactivity. The American Kennel Club defines a leash-reactive dog as one that becomes overly aroused by normal situations while on leash, and Best Friends Animal Society says it comes down to two main causes: fear or frustration. This guide follows those two sources on what drives it, what to change on your walks and how to train a calmer response.
Why Dogs Bark and Lunge on Leash
Best Friends says the first step is to work out from body language whether your dog is fearful or frustrated, because the answer shapes the training approach.
- Fear. Best Friends says a fearful dog wants distance from what scares him and shows distance-increasing body language such as snarling and growling. The leash removes the option to flee, so he tries to create distance by “fight” behavior instead. The AKC describes the same pattern as “I’ll get it before it gets me.”
- Frustration. A frustrated dog shows distance-decreasing body language such as playful barking and bounciness: he wants to go and meet. The AKC calls this a “frustrated greeter” and notes that such a dog may play well off leash, then bark, lunge and spin on it.
- Aggression. The AKC says lunging can also come from leash aggression. If you suspect it, get a certified trainer who specializes in aggression, because it can be dangerous for your dog, you and others.
Best Friends adds that leash reactivity does not necessarily mean the dog is aggressive toward people or dogs, and that many reactive dogs do not show these behaviors off leash. It also says your stress can travel down the leash, so keep it loose rather than taut and breathe slowly. If the barking is aimed at people more generally, see why dogs bark at people. If it is getting worse and includes growling or snapping, see why a dog becomes more aggressive.
Know the Trigger and the Threshold
Best Friends defines a trigger as something in the environment that causes a change in behavior. Common ones are strangers, dogs and bicycles, and they can be very specific, such as men with beards or dogs larger than yours. It suggests keeping a journal to pin them down.
The threshold is the point at which a trigger produces a reaction. Distance is a key factor but not the only one. Best Friends also describes trigger stacking: many small triggers pile up over time, and none sends the dog over the threshold alone, but together they do. The AKC says the working distance might be 10 feet or 40, and can differ from one trigger to another.
Change the Walk First (Management)
The AKC says that the more a dog lunges, the more of a habit it becomes and the harder it is to change. Management stops the practice, though it does not by itself ease the dog’s emotional state. Its suggestions:
- Plan walks for times with fewer triggers, such as early morning or evening, and choose the quietest route. Reflective gear helps in low light.
- Watch for triggers early and keep enough distance that the dog does not react, for example by crossing the street or making a 180-degree turn. Distracting the dog before he notices the trigger is better still.
- Use safe equipment. The AKC says a buckle collar puts pressure on the throat when a dog lunges, and a front-clip harness puts it on the chest and helps turn the dog back toward you. A head halter is another option, but many dogs need time to adjust, and the AKC suggests a second leash on the buckle collar to take the force of lunges.
- Never punish the lunging. The AKC says the dog links the punishment with the other person, dog or object, which strengthens his fear or frustration.
Best Friends says that when a trigger cannot be avoided, such as a vet visit, waiting in the car until the clinic is ready can help, and a calming cap (a hood over the head and eyes) can take the edge off. It does not change how the dog feels about the trigger, so training is still needed.
Train a Different Response
The AKC recommends desensitization and counterconditioning to change the dog’s emotional response: negative to positive for fear, and out-of-control excitement to calm for frustration.
- Find the distance where the dog sees the trigger but does not react.
- The AKC says to wait for the dog to notice the trigger, then reward right away with something he loves, such as meat or cheese, and to repeat each time he looks at it. Best Friends does the same with a marker word or clicker: mark the moment he sees the trigger without reacting, then give a treat.
- When the dog looks at the trigger and then turns back to you for the treat, the association is forming. Best Friends says to repeat 10 to 15 times at a distance where he is comfortable.
- Then close the distance gradually. Best Friends says one foot at a time, and the AKC says the goal is to work down to within a few feet while the dog stays under threshold. Repeat with different dogs or people.
- If the dog reacts, Best Friends says to make an emergency U-turn to put distance back until he is calm, then continue. The AKC says that reverting to lunging means you moved too far, too fast.
The AKC says to control the environment while you do this, for example by asking friends and their dogs to act as triggers, or by standing at a set distance from a path so you can predict when people pass.
Teach an alternative behavior
The AKC says a dog cannot lunge at another dog and look at you at the same time, so you can teach a behavior that is incompatible with lunging. It names “watch me” (looking at your face), “touch” (targeting something with the nose) and “find it” (treats dropped at your feet). Teach it somewhere quiet first, then add distractions, then add the trigger at a distance where the dog can still succeed.
Frustrated greeters
For frustration-based reactivity, Best Friends says the same game applies, and adds two points: do not physically hold the dog back during training, because it can raise his frustration and lead to a redirected bite, and let a calm dog meet what excites him. It also says a physically and mentally enriching life can calm him in many areas, including on leash.
Fearful dogs
Best Friends says deep-seated fears can take a long time to change, so baby steps count as progress. It advises against petting the dog during fear training: petting does not reinforce fear, but it may make him feel more trapped, or he may redirect the fear onto you as a bite.
What Not to Use
Best Friends says choke chains, prong or pinch collars and shock or electronic collars, which rely on fear, pain or punishment, should be avoided when working on leash reactivity. For a fearful dog, adding to his fear only makes it worse.
When to Get Help
The AKC says some dogs improve in a matter of weeks with these techniques, while others need a professional trainer with leash-reactivity experience. It adds that a consult with a veterinary behaviorist may help, since medication can lower arousal enough for a dog to learn. Its conclusion is that lunging on leash can usually be modified, and that good management alone can at least reduce the outbursts. For barking that happens at other times, see stopping barking in an apartment and stopping a small dog barking at everything.
Related Content
Resources
- American Kennel Club, Why is my dog lunging on the leash?
- Best Friends Animal Society, Dealing with leash reactivity
Frequently asked questions
How do I stop my dog barking in an apartment?
Find the trigger first, usually noise in the hallway. Manage it with white noise or by blocking the window view, then reward quiet instead of shouting, which only adds to the noise.
Why does my dog bark at people on walks?
Usually fear or frustration, not aggression. Add distance, reward calm looks at the person, and avoid tightening the leash, which tells the dog there is something to worry about.
Do anti-bark collars actually work?
They suppress the symptom without fixing the cause and can make fear-based barking worse. Address the trigger and reward quiet instead.
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