Why is your dog’s behaviour so unpredictable?

When a dog has gone missing from a busy street in the UK, it’s easy to feel helpless, even as the police search for a “lost and found” owner.

But if your dog is missing for a long period of time, and you’re still missing him, the police might just know what to do, and that’s why we want to know: how can we predict when your dog might be back?

We asked two experts to explore the possibilities, using dogs as a surrogate human.