The Barking Starts the Second I Leave: Separation Anxiety in Rescue Dogs
The note was folded twice and pushed under our front door, and it was polite enough that it stung more than an angry one would have. Our neighbour, Margaret, had written that she was sorry to raise it, that she knew we were trying, and that the dog had barked from roughly half past seven until she left for work every day that week. I'd had no idea. I'd been telling myself that Juniper slept all morning, the way greyhounds are supposed to.
That note was the best thing that happened to us that year. I'd been quietly managing a problem I hadn't properly looked at, and it took someone on the other side of the fence to hand me the evidence. If you're reading this with a similar note in your pocket, I'd say the same thing I tell clients: they've done you a favour, and the sooner you look at the footage, the sooner it gets better.
Anxiety and boredom look similar and need opposite responses
The first job was working out which one I was dealing with, because the fixes genuinely contradict each other. I set my phone on the bookshelf and recorded an ordinary Tuesday. The barking started at four minutes, not forty. She went straight to the front window, didn't touch the food I'd left, and she didn't stop for the full recording. Twenty minutes of continuous vocalising, then pacing, then back to the window.
That pattern is distress, not boredom. A bored dog usually settles after a while, gets into something they can reach, and eats while you're gone. A dog in distress reacts within minutes, ignores food entirely, and fixates on the point where you left. If I'd guessed wrong and bought three more puzzle toys, I'd have spent a month solving the wrong problem.
The crate made it worse, and that's worth saying out loud
Everyone tells you to crate train. I tried it properly, over three weeks, with the door open and meals inside and all the right advice. Juniper went in fine, and the second the door closed she threw herself at it until her muzzle bled. Confining a dog who is already panicking about being alone doesn't calm them down. It removes the one thing that helps, which is the ability to move away from what's frightening them.
We abandoned the crate entirely and gave her the loungeroom with the blinds shut and the door to the hallway closed. Within a fortnight she was quieter than she'd ever been behind a crate door. If your dog is injuring themselves in a crate, that's not a training gap you need to push through. It's information.
Toys, collars and where each one belongs
People ask me whether a calming collar or an enrichment toy is the better buy, but they do completely different jobs and it's a false choice. A frozen Kong or a lick mat occupies the first ten minutes, which is exactly the window where panic usually starts. That's a real and useful job, and it's cheap. A collar runs continuously in the background for about eight weeks and doesn't need me to remember anything, which is also a real job.
The collar went on a week before we properly started training rather than on the day, because it needs time on the neck before it does much, and we fitted it with the two-finger rule. Did it stop the barking? No. What it did was lower her baseline enough that the desensitisation work had somewhere to start. I think of it as the difference between teaching someone to swim in a pool versus in surf.
What actually stopped the barking
Rebuilding absences from four seconds. Not four minutes — four seconds, then thirty, then two minutes, then nine, always finishing before she became distressed. Dismantling my departure routine until keys and shoes meant nothing. A walk before I left rather than after. And for Margaret, a genuine conversation and a promise that we were working on it, which turned a neighbour into an ally who texted me updates instead of writing notes.
It took about seven weeks to get her past the twenty-minute mark. Some dogs take much longer. Some need medication to get there, and I've referred plenty of clients down that path, because severe separation anxiety is a welfare issue and there's no virtue in suffering through it.
Margaret now brings Juniper a carrot on Fridays and says she can't remember the last time she heard a bark. If there's a note under your door, read it as a gift and go and film an ordinary morning — the footage will tell you more than any article, including this one. — Nadia, Adelaide, with a greyhound who has excellent window etiquette these days.
Frequently Asked Questions
How do I tell separation anxiety apart from boredom?
Film an ordinary morning. Distress usually begins within five minutes of you leaving, involves continuous barking or howling, and the dog ignores food. Boredom tends to start later, involves getting into things within reach, and the dog will usually eat while you are out.
My dog panics in a crate. Should I keep trying?
No. If a dog is injuring themselves against a crate door, confinement is making the anxiety worse, not better. Give them a safe room instead, with blinds closed and doors to the rest of the house shut, and revisit confinement separately and much more slowly.
Calming collar or enrichment toys — which should I buy?
They do different jobs. A frozen Kong or lick mat covers the first ten minutes, which is when panic typically begins. A calming collar works continuously in the background for around eight weeks. Most households do better with both than with either one alone.
How long does it take to see improvement?
Most dogs show meaningful change within six to eight weeks of consistent daily work, but severe cases can take several months. The key is finishing every session before your dog becomes distressed, even if that means leaving for four seconds at first.
When should I ask for professional help?
If your dog is injuring themselves, refusing food or water, or showing no improvement after a month of consistent training, speak to your vet about a referral to a veterinary behaviourist. Medication alongside a behaviour plan is a normal and often kinder outcome.
Size & Fit Reference
| Size | Neck circumference | Collar length | Typical pets |
|---|---|---|---|
| Cat | 18–25 cm | 38 cm | Cats, kittens, toy breeds |
| Small | 25–35 cm | 45 cm | Puppies, Cavoodle, small terriers |
| Medium | 35–48 cm | 62 cm (cut to fit) | Kelpie, Cocker Spaniel, most adult dogs |
| Large | 48–62 cm | 65 cm (cut to fit) | Labrador, Greyhound, large breeds |
Most collars release for around 60 days once the sealed pouch is opened. Replace every eight weeks, or sooner if the scent fades.
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