Do Dogs Get Jealous?
What the Research Shows, and What to Do
I was petting Bomi, our mixed-breed walk friend, when my dog Gureum inserted her head directly between my hand and Bomi (Gureum's name means "cloud" in Korean). Then she sat down with her rear aimed at Bomi. Anyone watching would call it jealousy. But is it: or am I pasting a human emotion onto a dog? It turns out someone ran the experiment.
Yes: behavior that reads as jealousy has been confirmed in research. When owners petted a fake dog, real dogs wedged in, pushed, and growled at it: none of which they did to a bucket or a book. But note the shape of dog jealousy: it's less I hate that dog and more I'm afraid of losing YOU. Which is why the treatment isn't punishment. It's reassurance.
Has dog jealousy actually been studied?
The best-known experiment had owners lavish attention on three things: a stuffed dog that barked and wagged, a plastic bucket, and a book read aloud. Only at the stuffed dog did the real dogs wedge between it and the owner, paw and push at the owner, and snap or growl at the rival. The bucket and book barely registered. A later study found dogs straining toward the scene when their owner interacted with a real dog BEHIND A BARRIER: reacting to an interaction they could only imagine. The structure parallels jealousy responses in human infants: researchers read it as a primal form of the emotion.
| Jealousy behavior | What it looks like | Similar but different |
|---|---|---|
| Wedging in | Body inserted between you and the rival | Play invitation (arrives carrying a toy) |
| Pushing | Nose or paw shoving your hand away | Demanding (treats or pets, rival or not) |
| Growling at the rival | Aimed at whoever is touching you | Resource guarding (only at food or bed) |
| Velcro mode | More lap and underfoot time than usual | Anxiety (persists even when you're absent) |
| Interruptions | Sudden barking, delivering objects | Excitement (happens at every guest) |
| Sulking | Back turned, retreat to a corner | Fatigue or pain (happens without a rival too) |
Jealousy, resource guarding, or anxiety?
Jealousy's target is your ATTENTION: it appears only when you're engaged with someone else, and dissolves the moment attention returns. Resource guarding targets THINGS: food, toys, the bed: and fires even when you're not around. Anxiety reacts to your DISTANCE itself, rival or no rival. All three wedge and cling similarly: but different causes take different fixes. Jealousy wants reassurance: guarding wants resource management: anxiety wants alone-time practice.
Learned this on the job: Gureum wedges in when I pet Bomi: but when I merely chat with Bomi's owner, nothing. Only my hand on another dog is the problem. Which is the definition of jealousy, exactly.
Softening serious jealousy
- Don't shove them back and scold: that teaches other dogs make bad things happen.
- Petting another dog: give YOUR dog attention first, and simultaneously: two hands, or their name spoken warmly through it.
- Wire good things to the rival: that dog appears, treats appear. The rival stops being competition and becomes a good omen.
- Praise the calm: three seconds of sitting quietly beside you instead of wedging: rewarded: becomes ten.
- Growling or snapping in the mix: bring in a trainer. Past that line it's not jealousy management, it's safety.
The jealous face is worth keeping
The head wedged between two people: the sulking back turned to the room: photograph both, they're a set. Posted to kkeung, each keeps its date: flip back later and the whole relationship of that season is right there. You'll find yourself asking how a jealous face got THIS endearing.
Save a photo of today →Jealousy, situation by situation
A new baby
Push the dog away only when holding the baby, and the baby becomes a bad omen. Invert it: baby in arms, dog gets treats and conversation: baby asleep, attention actually drops. The wiring you want: baby present, good things happen.
A second dog
Hold the first-dog-first rule, and speak the first dog's name while handling the second. Ten daily minutes of one-on-one time with the first dog keeps jealousy from escalating into aggression.
A new partner
Hand that person the walks and the meals. Framed as the one who brings good things rather than the one who steals attention, they stop being a rival within weeks. Opening with forced cuddles is the one move that backfires.
Jealousy means they can't stand to lose you: hardly a feeling to punish. But proving you won't be lost: over and over: is our half of the deal. Next to the hand petting another dog, keep a second hand free. That one's theirs.
Frequently asked questions
Is my dog jealous of my phone?
Are some breeds more jealous?
Should I scold the jealous growling?
We got a cat and the dog seems jealous.
Can jealousy cause potty accidents?
This article is general information and does not replace a veterinary diagnosis. Talk to your vet about your dog's condition.