Old English Sheepdog vs Yorkshire Terrier

This is a "Velcro" breed in the truest sense. They were bred to work closely with shepherds and drovers, never straying far. In a modern home, this translates to a dog that may panic when left alone. Destructive chewing, howling, and house soiling are common symptoms of distress if isolation training is not started immediately in puppyhood.

The OES has a unique, ringing bark often described as "two pots clanging together." It is loud, deep, and can become a nuisance. They are alert watchdogs and will vocalize at delivery trucks, neighbors, and squirrels. This makes them poor candidates for apartments with noise restrictions.

As a drover's dog, the OES controls movement. In a family setting, this often manifests as nipping at the heels of running children or "body checking" people to move them. While not aggressive, this behavior can be frightening for toddlers and annoying for guests.

While generally social, some OES lines—particularly males—can develop aggression toward other dogs of the same sex around social maturity (18-24 months). This requires vigilant management in multi-dog households.

This is the single most cited failure mode for the breed. Due to tiny bladders and terrier stubbornness, Yorkies are notoriously difficult to housebreak. Many owners report accidents persisting well into adulthood, and some never become 100% reliable without indoor pads.

The 'watchdog' trait is hardwired. They will announce every delivery driver, neighbor, and squirrel with sharp, high-pitched barking. This can lead to neighbor complaints and eviction notices in apartments.

Yorkies often don't perceive their small size, leading to 'Napoleonic' aggression toward much larger dogs. This is usually fear-based reactivity, not actual courage, but can be dangerous.

A toddler falling on a Yorkie can kill the dog. They can be fatally injured by being dropped, stepped on, or sat upon. Not suitable for homes with young children.