How Dogs Act When Another Dog Is Dying

Name: How Dogs Act When Another Dog Is Dying
Creator: Dr. Zubair Khalid

By Dr. Zubair Khalid, DVM, MS, PhD · 2026-10-03

How do dogs act when another dog is dying? Many dogs show clear changes: they may stay near the dying dog, pace, whine, eat less, or seem withdrawn. Some dogs seem to understand something has changed, while others act almost unaffected. This article is educational and is not a substitute for veterinary diagnosis or treatment.

Quick Answer

Dogs are highly social animals, so the loss or decline of a canine companion can change their behavior [1].
Common signs include clinginess, pacing, whining, reduced appetite, sleeping more, and losing interest in play.
Some dogs stay close to a dying companion, lick or nuzzle them, or guard their resting spot.
Others show almost no visible change, which does not mean they did not bond with the other dog.
Keep routines steady, offer gentle exercise and enrichment, and give your dog time to adjust.

Do Dogs Know When Another Dog Is Dying?

This is one of the most common questions owners ask, and the honest answer is that we do not fully know. Dogs are highly social animals that read each other through body postures, facial expressions, tail and ear positions, vocalizations, and scent [1]. A dying dog often smells different, moves differently, and behaves differently. Your surviving dog can pick up on those cues even if we cannot say for certain what your dog understands about death itself.

Dogs can also make inferences about another dog's emotional state by watching visual signals, including which way a tail wags [2]. That does not prove a dog grasps the concept of dying, but it does support the idea that dogs notice when a companion's behavior and emotional signals change.

What owners report varies widely. Some dogs become restless and vocal. Some lie quietly beside the other dog. Some avoid the room. Some seem to search the house after the other dog is gone. There is no single "correct" canine response to death.

Why the Behavior Happens

Normal social reasons

Dogs form loose associations with unrelated dogs, and it is common for them to bond with other dogs they meet as puppies or as adults in a home [2]. When that bond is disrupted, behavior changes are expected. Your dog's social world just shifted.

Dogs also rely on routine. A sick or dying dog changes the household rhythm: fewer walks, different feeding times, more vet visits, more tension among the humans. Your dog notices all of it.

Grief-like responses

Owners commonly describe grief-like behavior in surviving dogs, including clinginess, reduced appetite, and changes in sleep. Research on owner experiences at the end of a dog's life shows that quality of life themes such as changes to activity level, appetite, and mobility are central to how owners describe decline [3]. Those same changes often appear in the surviving dog, which can make it hard to tell grief from illness.

Anticipatory grief is also well documented in people caring for aging dogs, and it is linked to caregiver burden [4]. If you are already grieving before your dog dies, your surviving dog may be reacting to your mood and to the changes in the household as much as to the other dog's condition.

What is not well established

Whether dogs experience grief the way humans do is not well established in veterinary research. We can describe behavior. We cannot read a dog's mind. Be careful with anyone who claims certainty in either direction.

Medical Causes to Rule Out

Before you assume your dog's changes are emotional, rule out physical causes. A dog that stops eating, vomits, has diarrhea, limps, or seems painful needs a veterinary exam. Behavior changes can be the first sign of illness, and that is true whether or not another dog in the home is dying.

If your dog's behavior changes suddenly and you are not sure why, see What Does It Mean When Your Dog's Behavior Changes.

Pay attention to these physical red flags:

Not eating or drinking for more than 24 hours
Vomiting or diarrhea that lasts more than a day
Trouble breathing, coughing, or noisy breathing
Weakness, collapse, or trouble standing
Yelping, pacing, or panting that will not settle
Sudden aggression toward people or other pets

Sudden aggression toward other dogs deserves its own evaluation. See Why Is My Dog Suddenly Aggressive Towards Other Dogs?.

How Do Dogs Act When Another Dog Is Dying? Signs to Watch For

Owners often notice a mix of these behaviors in the days and weeks around a companion's death.

Staying close or pulling away

Some dogs stay near the dying dog, lie against them, or refuse to leave the room. Others retreat to another part of the house. Both can be normal. A dog that pulls away may be avoiding the smell or the unfamiliar behavior of a sick animal, or may simply be stressed.

Changes in eating and sleeping

Reduced appetite and increased sleeping are common. Some dogs eat normally and sleep normally. Do not force food. Offer small, appealing meals and track how much your dog actually eats.

Vocalizing and pacing

Whining, howling, and pacing are frequently reported. These can be signs of anxiety or confusion. They can also be pain or discomfort in your dog. If vocalizing is new and intense, get a veterinary exam.

Clinginess or following you

Many dogs become velcro dogs after a loss. They follow you from room to room and seem unsettled when you leave. This usually eases with time and routine.

Searching behavior

Some dogs search the house, check the other dog's bed, or wait by the door. This can be heartbreaking to watch. It usually fades as the new routine settles in.

Changes in play and training

A dog that loved fetch may lose interest for a while. A dog that was reliable on cues may seem distracted. Keep sessions short and low pressure.

When the Behavior Becomes a Problem

Grief-like behavior is a problem when it affects health or safety. Get help if your dog:

Loses weight or refuses food for more than two days
Shows aggression toward people or other pets
Cannot settle at night for more than a few nights
Injures themselves pacing, scratching, or chewing
Becomes destructive when left alone
Seems painful, weak, or unwell in any way

There is no fixed timeline for normal. Some dogs adjust in days. Some take weeks or months. If you are worried, that alone is a good reason to call your veterinarian.

What to Do: Step by Step

1. Keep routines steady

Feed at the same times. Walk at the same times. Keep bedtime predictable. Dogs are highly social and adapt well to routine, and routine is one of the strongest tools you have [1].

2. Let your dog choose contact

If your dog wants to lie near the dying dog, allow it when it is safe. If your dog wants space, give space. Do not force interactions.

3. Offer gentle exercise

Short, sniff-heavy walks help many dogs. Sniffing is mentally tiring in a good way. Skip intense exercise if your dog seems unwell.

4. Use enrichment at home

Food puzzles, scatter feeding, chew items, and simple training games give your dog something to do. Keep it easy. A few minutes at a time is fine.

5. Consider a companion

Some dogs do better with another dog in the home. Others do not. There is no rule. If you are thinking about adding a dog, wait until your household is stable and your current dog's health is clear.

6. Talk to your veterinarian about anxiety

If your dog is pacing, whining, or unable to settle, your veterinarian can assess whether anxiety treatment is appropriate. Medication doses are calculated by your veterinarian based on your dog's weight and health. Never give human medications to a dog without veterinary guidance.

7. Plan for the end of life

If your other dog is nearing the end, planning ahead helps everyone. See Euthanasia What to Expect for Dogs: Process Aftercare and Grief Support.

What Not to Do

Do not punish grief behavior

Punishment does not teach a dog how to feel. It adds stress. If your dog whines or paces, respond with calm routine, not correction.

Do not force your dog to say goodbye

There is no evidence that forcing a dog to view a deceased companion helps. Some owners find it helps their dog. Others do not. If you try it, let your dog approach freely and leave when they want.

Do not assume your dog does not care

A dog that seems unaffected may still be stressed. Watch appetite, sleep, and activity for a week or two.

Do not rush a new dog

Bringing home a new dog too soon can add stress to a household that is already grieving. Wait until you and your dog have settled.

Do not skip the veterinary exam

Behavior changes and medical problems look alike. A physical exam and basic lab work rule out the treatable causes first.

When to Involve a Veterinarian or Behavior Professional

Call your veterinarian if your dog's behavior changes last more than a few days, if eating or sleeping is affected, or if you see any physical signs. Your veterinarian can check for pain, illness, and anxiety and can refer you to a certified behavior professional if needed.

A board-certified veterinary behaviorist or a certified applied animal behaviorist can help with severe anxiety, aggression, or house soiling that does not improve. Ask your veterinarian for a referral.

If you are struggling with your own grief, tell your veterinarian. Grief after the death of a dog is real and can be profound, and it is often not fully recognized by others [5]. Assistance dog handlers can experience grief equivalent to losing a loved one when their dog retires or dies [6]. Your feelings matter, and support exists.

Limitations and When to Contact a Veterinarian

Individual cases need a veterinarian. No article can tell you whether your dog's behavior is grief, pain, or illness.

Contact your veterinarian the same day if your dog:

Refuses food or water for 24 hours
Vomits repeatedly or has severe diarrhea
Seems painful, weak, or wobbly
Is panting heavily at rest
Shows sudden aggression

Go to an emergency clinic now if your dog:

Collapses or cannot stand
Has trouble breathing
Has a seizure
Is bleeding heavily
Is unresponsive

If your dog stops breathing, see How To Do Cpr On A Dog and call your emergency clinic.

Schedule a routine visit within a few days if your dog's appetite, sleep, or activity has changed and there is no emergency.

Frequently Asked Questions

Do dogs grieve when another dog dies?

Many owners report grief-like behavior in surviving dogs, including reduced appetite, clinginess, and changes in sleep. Whether dogs experience grief the way humans do is not well established in veterinary research. Watch your dog's health and behavior, and call your veterinarian if anything worries you.

How long does a dog grieve after another dog dies?

There is no set timeline. Some dogs adjust within days, and others take weeks or months. If changes last more than a few days or affect eating and sleeping, have your dog examined.

Should I let my dog see the other dog's body?

There is no strong evidence either way. Some owners find it helps their dog, and others do not. If you try it, let your dog approach and leave freely, and do not force contact.

Will my dog be lonely if I do not get another dog?

Not necessarily. Some dogs do well as the only dog, especially with steady routine, exercise, and time with you. Others seem to do better with a companion. There is no single right answer, and your veterinarian can help you think it through.

Can my dog get sick from grief?

Grief itself is not a disease, but stress can affect appetite, sleep, and behavior. A dog that stops eating or seems unwell needs a veterinary exam to rule out medical causes. Do not assume all changes are emotional.

References

Normal Social Behavior in Dogs - Dog Owners. Merck Veterinary Manual.
Social Behavior of Dogs - Behavior. Merck Veterinary Manual.
Owner-reported experiences are similar for dogs experiencing euthanasia or unassisted death: evaluation of the Dog Aging Project's End of Life Survey free-text responses. Journal of the American Veterinary Medical Association, 2026.
'With great love comes great grief': Exploring anticipatory grief and canine cognitive dysfunction. The Veterinary record, 2025.
Honoring lives and legacies: Continuing bonds and meaning-making in dog obituaries across companion, therapy, and K9 contexts. Death studies, 2026.
Planning for the retirement or death of an assistance dog: perspectives of staff from assistance animal organisations. Disability and rehabilitation. Assistive technology, 2026.