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By Dr Duncan Houston

One dog keeps chasing, pinning or crowding another, even when the other dog tries to leave. Calling it rough play does not make it a good experience for both animals.

Whether your dog is doing the pursuing or being pursued, your job is to make the interaction manageable. Watch for choice, space and willingness to return, rather than deciding which dog needs to win.

Quick Answer

Interrupt one-sided play when a dog repeatedly retreats, is cornered or cannot get away. Calmly separate the dogs before the interaction escalates, give both a break and reconsider whether the setting or pairing is suitable. Reward manageable play and practise useful cues separately; persistent unsafe interactions need qualified behaviour support.

What do people mean by dog bullying?

Bullying is an informal description of an interaction, not a veterinary diagnosis or a permanent personality label. It commonly describes persistent behaviour that is enjoyable for one dog while the other is trying to stop or avoid it.

Examples include repeatedly pinning a dog who cannot get up, pursuing a dog who hides behind their person or crowding another dog away from every resting place. A mismatch in size, play style or excitement can make the situation harder to manage.

Do not assume that mounting, a particular posture or taking a toy establishes a fixed dominance hierarchy. Describe the behaviour and its effect on the other dog.

Look for participation from both dogs

Some comfortable play looks noisy or energetic. The important question is whether both dogs have options and remain willing to take part.

  • More reassuring: bodies remain loose, there are natural pauses, and either dog can move away without immediately being pursued
  • Needs a break: one dog repeatedly turns away, hides, becomes tense or tries to stay behind a barrier
  • End the interaction: one dog is cornered, cannot escape, is repeatedly pinned or the encounter is becoming unsafe

No single tail position or sound proves that everything is fine. Watch what each dog does when there is an opportunity to pause.

How to respond before play escalates

Use a familiar recall or another cue practised away from play, and guide the dogs into separate comfortable spaces while it is still safe to do so. Avoid waiting until both are so involved that they cannot respond.

Do not shout, chase, physically pin a dog or put your hands between dogs whose interaction is escalating. If you cannot safely interrupt and separate them, the setting is not suitable for an informal play session.

A break should provide enough space for both dogs to settle. It is not a fixed number of seconds followed by automatic return to the same problem. If a dog chooses not to approach again, respect that choice.

Should you restart the play?

Restart only if the situation is manageable and both dogs remain comfortable. Change what made the first attempt difficult: reduce crowding, remove a contested item, choose a quieter area or finish for the day.

If the same one-sided pattern returns, end the session. Repeatedly separating and reintroducing the pair does not establish that they are a good match.

The RSPCA's companionship guidance emphasises enough space for dogs to move away from one another. Make that possible even when the dogs are familiar companions.

If your dog is the persistent pursuer

Arrange activities where you can supervise closely and intervene early. A crowded group of unknown dogs makes it harder to follow your own dog's response or recognise another dog's attempts to leave.

Practise returning to you, moving away from an interesting object and settling after activity in easier situations first. Reward those behaviours frequently when there is no conflict. Then add manageable distractions gradually.

Provide appropriate exercise and enrichment, but do not assume the dog simply needs to be exhausted before meeting others. A tired or overexcited dog still needs a suitable setting and a compatible partner.

If your dog is being overwhelmed

Help them leave rather than expecting them to become more assertive. Stand up for the boundary with the other owner and choose a different activity.

Keep access to your dog under your control where possible. You can decline a greeting or a playdate, leave a park or ask a daycare how it prevents repeated one-sided interactions.

A dog who enjoys one familiar companion may still dislike a group. Use their actual response when planning company.

For dogs sharing a home

Review places where encounters repeatedly become difficult: doorways, favourite beds, food preparation areas and narrow routes between rooms. Provide enough resources and space that one dog does not need to crowd past the other for every activity.

Manage meals and valuable items separately when necessary. Do not test the dogs by placing a desired object between them. If you are struggling to keep everyday interactions safe, seek professional support rather than relying on repeated interruptions.

AVSAB's humane-training guidance supports reward-based methods. Punishing one dog in front of the other is not a useful way to create a comfortable relationship.

Keep a useful interaction log

Record the dogs involved, location, available space, activity before the incident, objects present and how each dog responded to a break. A short factual description is more useful than writing that one dog was naughty.

Share the pattern with an appropriately qualified trainer or behaviourist if the behaviour persists. Do not keep repeating an unsafe pairing while waiting for it to improve by itself.

Common mistakes

  • Allowing one-sided chasing because neither dog has been injured
  • Expecting the overwhelmed dog to teach the other a lesson
  • Restarting after a timed break without checking both dogs' choices
  • Using crowded group settings to practise an unlearned recall
  • Assuming all dogs of a similar size have compatible play styles

Frequently Asked Questions

Is chasing always a problem?

No. Watch the whole interaction, including pauses and the ability to leave. Persistent pursuit of a dog who is trying to stop is a reason to intervene.

Should I punish my dog for being too rough?

Interrupt early, provide space and teach useful alternatives in easier settings. Avoid physical punishment or intimidation.

Does this mean my dog can never play again?

Not necessarily. Review the setting and partners, and get help when patterns persist. Some dogs do better with selected companions or other forms of enrichment.

When should a professional be involved?

Seek help when you cannot reliably manage the interaction, the pattern persists despite sensible changes or safety is becoming difficult to maintain.

Make consent to continue visible

Good play leaves room for pauses and an exit. Watch both dogs, act before the encounter becomes difficult and be willing to finish. A successful session is one everyone could comfortably choose to join.


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