Compared to us humans, all dogs have a superior sense of smell, but some dogs' noses are next level – if you hadn’t guessed already, we're talking about scent hounds. Bred for their skills in the ...

We take a look at what is on offer for the most successful of our four-legged friends. An Afghan Hound waits with its owner before being judged on the first day of Crufts (Photo: Oli Scarff/AFP ...