Mar 8, 2026
Do Dogs Miss You When You Leave?

Yes — dogs genuinely miss their owners when they leave. A landmark study by researchers Therese Rehn and Linda Keeling, published in Applied Animal Behaviour Science, found that dogs greeted their owners with measurably more intensity after two hours apart than after just 30 minutes — and fMRI research by neuroscientist Gregory Berns at Emory University confirmed that a dog’s brain shows its strongest reward response to its owner’s specific scent, stronger than any other person or dog. This is not just wishful thinking on the part of dog owners. The science supports it.

What the Research Actually Shows

Three separate lines of scientific evidence confirm that dogs experience something genuinely comparable to missing their owners.

Dogs notice how long you have been gone

The Rehn and Keeling study filmed 12 dogs during three separate absences — 30 minutes, 2 hours and 4 hours — and measured the intensity of the greeting when the owner returned. Dogs greeted their owners more enthusiastically after 2 hours than after 30 minutes: more tail wagging, more physical contact-seeking, longer greeting duration. Critically, the response did not intensify significantly beyond 2 hours — suggesting that dogs miss their owners acutely in the first couple of hours, after which the emotional state levels off until reunion. The dogs were also observed waiting near the door through which their owner had left, rather than any other door — showing they tracked specifically where the person had gone.

Your scent activates your dog’s reward centre

Neuroscientist Gregory Berns used fMRI brain scanning — in dogs trained to lie still in a scanner — to measure brain responses to different scents. A dog’s own scent, a familiar dog’s scent, an unfamiliar dog’s scent, a familiar human’s scent and the owner’s specific scent were all tested. The owner’s scent produced the strongest activation of the caudate nucleus — the brain region associated with anticipation of reward and positive emotional states — of any stimulus tested. This means your dog’s brain treats your individual scent as one of the most positively loaded signals it knows. When you are not there, that signal is absent — which is the neurological basis of missing someone.

Dogs synchronise their stress with their owners

Research from Linköping University in Sweden found that dogs’ long-term cortisol levels (a stress hormone) closely mirror those of their owners — dogs with stressed owners are more chronically stressed themselves, and calmer owners have calmer dogs. This deep emotional synchronisation is further evidence of how tightly bonded dogs are to their specific humans. The same bond that makes dogs mirror an owner’s stress also makes the owner’s absence a meaningful emotional event — not just the removal of a convenient food source.

Signs Your Dog Missed You

The greeting when you return is the most obvious evidence — but dogs show other signs of having missed you too.

  • An enthusiastic greeting: the classic tail-wagging, jumping, licking, spinning reunion — more intense after longer absences, as the research confirms
  • Following you from room to room: after a reunion, dogs often shadow their owners closely for a period — re-establishing proximity after the separation
  • Bringing you a toy or object: some dogs instinctively pick something up when greeting their owner, which appears to be a way of channelling the excitement of reunion into a physical action
  • Sticking close to your belongings: during your absence, dogs frequently rest near items that carry your scent — your pillow, worn clothing, the sofa where you usually sit — which provides the same neurological comfort signal as your presence
  • Settling quickly after reunion: a dog that was anxious during your absence will often visibly relax and settle within minutes of your return, once the emotional need is met

Missing You vs Separation Anxiety: The Difference

Missing you is normal and healthy. Separation anxiety is a clinical condition that requires attention.

Missing you (normal) Separation anxiety (clinical)
While you’re away Settles after a short period, rests, waits Persistent distress throughout absence
Behaviour during absence Rests near your belongings, waits near door Destructive behaviour, howling, house-soiling, self-injury
On your return Enthusiastic greeting, settles quickly Frantic, over-the-top greeting, slow to settle
Impact on daily life None significant Affects dog’s welfare and often owner’s routine
Action needed None — this is healthy bonding Veterinary or behaviourist consultation recommended

Missing you (normal)

While away: Settles after a short period, waits

On return: Enthusiastic greeting, settles quickly

Action needed: None — healthy bonding

Separation anxiety (clinical)

While away: Persistent distress, destructive behaviour, howling

On return: Frantic, over-the-top, slow to settle

Action needed: Vet or behaviourist consultation

How to Help Your Dog When You’re Away

You cannot eliminate your dog missing you — and you would not want to. But you can make the time apart easier.

  • Leave a worn item of clothing: because your dog’s brain responds specifically to your individual scent, a recently worn piece of clothing provides genuine neurological comfort — not just psychological comfort from the owner’s perspective
  • Pet your dog before you leave: research found that dogs whose owners petted them briefly before leaving had noticeably lower heart rates during the separation than dogs whose owners left without contact — a simple action with a measurable calming effect
  • Provide a food-dispensing puzzle before you go: engaging your dog’s brain with a challenge as you leave reduces the transition from “together” to “alone” and gives them something constructive to focus on
  • Keep departures and arrivals calm: making leaving and returning into big emotional events increases the emotional contrast — a calm departure and a moderate greeting helps your dog learn that separation is unremarkable and reunion is reliable
  • Maintain a consistent routine: dogs whose owners leave and return at predictable times adjust more easily — the predictability reduces anticipatory anxiety

Further reading on the dog-owner bond:

FAQ

Does my dog think about me while I’m at work?

The evidence suggests yes — your dog associates your specific scent with reward and positive emotion, and that signal is absent while you are away. Dogs also appear to track the passage of time to some degree, with research showing their greeting intensity increases up to around two hours. Whether “thinking about you” in the abstract, narrative sense humans experience is happening is harder to confirm — but something meaningful is clearly going on.

Will my dog remember me after a long trip?

Yes — dogs have been documented recognising their owners after separations of months and even years. Scent memory in dogs is extraordinarily durable. The reunion greeting after a long absence is typically more intense than after a short one, consistent with what the research on shorter separations would predict.

Should I say goodbye to my dog when I leave?

A calm, brief acknowledgement before leaving — including a short petting moment — appears to reduce separation stress. However, a drawn-out, emotional farewell can increase anxiety by signalling to your dog that something unusual and stressful is happening. Keep departures calm and consistent: a few seconds of gentle contact, then leave without drama.

Do some breeds miss their owners more than others?

Breeds developed specifically for human companionship — such as Cavalier King Charles Spaniels, Bichon Frises and Labrador Retrievers — tend to form particularly intense owner attachments and are more prone to separation-related distress. More independent breeds bred for working alone, such as some sighthounds and Nordic breeds, may handle separation better — though individual personality variation is at least as important as breed.

This guide is for general information only and is not a substitute for advice from a qualified veterinarian or certified animal behaviourist. If your dog shows signs of clinical separation anxiety, contact your vet.

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Mar 7, 2026
Pet Turtle Care Guide

Pet turtles look simple to care for — a small tank, some water and a few pellets. The reality is considerably more demanding, and the commitment is far longer than most owners anticipate. According to veterinary guidance from Chewy’s exotic vet team, aquatic turtles can live 20 to 40 years and some tortoise species exceed 100 years. A turtle bought as a child’s pet may outlive everyone in the household. Understanding this before bringing one home is the single most important piece of turtle care advice there is.

Common Pet Turtle Species and Their Lifespans

Species matters enormously in turtle care — diet, habitat, temperature and lifespan all vary significantly between species.

Species Type Adult size Lifespan Best for
Red-eared slider Aquatic 20–30 cm 20–40 years Experienced beginners with space for a large tank
Painted turtle Aquatic 10–25 cm 25–30 years Beginners — hardy and active
Musk turtle Aquatic 7–14 cm 30–50 years Beginners — smaller tank requirements
Box turtle Semi-terrestrial 12–20 cm 40–100 years Experienced keepers — complex needs
Hermann’s tortoise Terrestrial 15–30 cm 50–80 years Dedicated keepers — lifelong commitment

Red-eared slider

Type: Aquatic

Lifespan: 20–40 years

Best for: Experienced beginners with a large tank

Painted turtle

Type: Aquatic

Lifespan: 25–30 years

Best for: Beginners — hardy and active

Musk turtle

Type: Aquatic

Lifespan: 30–50 years

Best for: Beginners — smaller tank requirements

Box turtle

Type: Semi-terrestrial

Lifespan: 40–100 years

Best for: Experienced keepers

Habitat: What a Turtle Actually Needs

The small plastic tanks with a palm tree sold in pet shops are not suitable long-term homes for any turtle species. Most turtles require considerably more space and more equipment than buyers are told at the point of purchase.

Tank size

A commonly used guideline for aquatic turtles is 10 gallons of water per 2.5 cm of shell length — which means an adult red-eared slider (up to 30 cm) requires at minimum a 120-litre tank. Baby turtles sold at 5 cm will be adults at 25 cm; buying a small starter tank creates an expensive replacement cycle. A larger tank is always better, and outdoor ponds are excellent for appropriate species in mild climates.

Water quality and filtration

Aquatic turtles are messy — they defecate in the water they live in, eat in and drink from. A high-quality filtration system rated for at least twice the tank volume is essential. Without proper filtration, ammonia and bacteria levels rise rapidly, causing shell rot, respiratory infections and eye disease. Partial water changes of 25–30% every one to two weeks maintain water quality alongside the filter. Water temperature for most aquatic species should be maintained at 24–28°C.

Basking area and heat

All turtles are ectotherms and require a thermal gradient — a warm basking area and cooler water — to regulate their body temperature. The basking spot should reach 30–35°C under a heat lamp positioned above a dry platform the turtle can fully climb out onto. Without adequate basking opportunity, turtles develop respiratory infections and shell problems. A basking platform that the turtle cannot fully exit the water onto is inadequate.

UVB lighting

UVB light is not optional — it enables turtles to synthesise vitamin D3, which is essential for calcium absorption and shell health. A turtle kept without UVB will develop metabolic bone disease and soft shell over time. UVB bulbs must be replaced every 6 months even if they still appear to emit light, as UVB output degrades before visible light does. The bulb must be within the manufacturer’s recommended distance of the basking area and not blocked by glass or plastic, which filters out UVB.

Diet and Nutrition

What a turtle eats depends entirely on species — and feeding the wrong diet is one of the most common causes of health problems in pet turtles.

  • Aquatic turtles (red-eared slider, painted turtle): omnivores — juveniles eat 70% protein (aquatic turtle pellets, feeder fish, earthworms, crickets) and 30% plant matter; adults shift toward 60% plant matter (leafy greens, aquatic plants) and 40% protein
  • Musk turtles: primarily carnivorous — insects, earthworms, small fish, aquatic invertebrates; less plant matter than sliders
  • Box turtles: true omnivores — earthworms, slugs, berries, mushrooms, leafy greens, fruit; diet should closely mirror what they would find in the wild
  • Tortoises: primarily herbivorous — high-fibre grasses and leafy greens; fruit only in small amounts; never feed dog or cat food, dairy or high-protein animal products

All species benefit from calcium supplementation — dust food with a calcium powder without vitamin D3 (since vitamin D3 comes from UVB, not diet) several times per week. Feed aquatic turtles in a separate feeding container to reduce water contamination from uneaten food.

Common Health Problems and Warning Signs

Like all reptiles, turtles hide signs of illness instinctively. By the time symptoms are obvious, the condition is often advanced. These warning signs require prompt veterinary attention from an exotic animal specialist — not a standard dog-and-cat vet.

  • Shell rot (ulcerative shell disease): soft patches, discolouration, pitting or foul smell on the shell indicate bacterial or fungal infection — caused by poor water quality and inadequate basking; requires veterinary treatment and improved husbandry
  • Respiratory infection: wheezing, open-mouth breathing, mucus around the nostrils or mouth, listing to one side while swimming — caused by cold temperatures or poor water quality; requires antibiotics from a reptile vet
  • Swollen or closed eyes: a very common sign of vitamin A deficiency in aquatic turtles fed a poor diet, or of infection; requires veterinary assessment
  • Metabolic bone disease: soft shell, deformed limbs, difficulty moving — caused by insufficient UVB or calcium; reversible if caught early, permanent if advanced
  • Refusal to eat for extended periods: normal during cooler months in some species (brumation); abnormal at other times or when accompanied by lethargy, weight loss or other symptoms
  • Bloating or inability to submerge: a turtle that floats on one side or cannot dive normally may have a respiratory infection or other internal problem requiring urgent assessment

Further reading on turtle care:

FAQ

Can I keep a tiny turtle in a small tank forever?

No. Turtles grow — a red-eared slider sold at 5 cm will reach 25–30 cm as an adult and need a tank of at least 120 litres. The small starter tanks sold with hatchlings are suitable for a few months at most. Planning for the adult size before purchase avoids the most common turtle-keeping mistake.

Do turtles recognise their owners?

Yes — turtles can learn to associate their owners with feeding and will often swim to the front of the tank when their regular keeper approaches. They recognise familiar people through visual and vibrational cues. They are not as demonstratively interactive as dogs or cats, but they are more aware of their surroundings and their keepers than most people expect.

Can I release my turtle into a local pond or river?

No — this is illegal in many countries and ecologically harmful in all of them. Pet turtles may carry diseases that devastate native populations, and species like red-eared sliders are highly invasive in environments outside their natural range, where they outcompete native turtles for food and basking sites. If you can no longer care for a turtle, contact a reptile rescue organisation.

Do pet turtles carry salmonella?

Yes — all reptiles, including turtles, can carry Salmonella bacteria without showing any signs of illness. This is why the US FDA prohibits the sale of turtles under 10 cm shell length, and why careful hand-washing after handling any turtle or cleaning its habitat is essential. Children under 5, elderly people and immunocompromised individuals should take extra precautions.

This guide is for general information only and is not a substitute for advice from a qualified exotic animal veterinarian. Turtle care requirements vary significantly by species — always research your specific species before purchasing.

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