Beagle vs Border Terrier

A Beagle's nose runs the dog, not the owner — bred to follow a scent trail for miles regardless of what the handler wants, so unreliable off-leash recall is a breed trait, not a training failure, and a bored, under-exercised Beagle is one of the most vocal and destructive small breeds there is.

Border Terriers were bred to chase foxes into their dens and dig them out, and that instinct is fully intact — this is a genuine escape-artist digger with real prey drive, not the mellow 'easy small dog' its friendly, unassuming looks suggest — and the breed also carries a specific, sharply elevated risk of gallbladder disease that most sellers won't mention.