Yorkshire Terrier

About the breed

The Yorkshire Terrier is one of the smallest dog breeds in the world, yet its tiny frame houses a genuine terrier character – brave, curious and deeply attached to its owner. It is instantly recognisable by its long, silky coat in steel-blue and tan tones that resembles human hair more than typical dog fur, an elegance that helped carry the breed from a working-class ratter into one of the most popular companion dogs for city apartments worldwide.

History

The breed was developed in the mid-19th century in the English county of Yorkshire during the Industrial Revolution. Scottish textile workers who moved south to Yorkshire's mills and mines brought smaller terriers with them, including the Clydesdale Terrier, the Waterside (Otter) Terrier and old English terrier types, which were crossed to produce a small, plucky dog capable of hunting rats in spinning mills and cramped worker housing. A dog named Huddersfield Ben (born 1865) played a decisive role in shaping the modern Yorkshire Terrier: despite weighing around 5 kg himself, he consistently sired offspring roughly half his size, cementing the smaller size now typical of the breed, and his bloodline runs through nearly every Yorkshire Terrier alive today. From working ratter, the breed quickly rose to become a fashionable companion of Victorian high society, and later cemented its worldwide fame partly through Smoky, a celebrated military dog of World War II.

Appearance and coat

A Yorkshire Terrier stands 18 to 23 cm at the shoulder and weighs between 2 and 3.5 kg, placing it firmly among the toy breeds. Its most distinctive feature is a long, straight, silky coat in steel-blue and tan, with no undercoat, that is structurally closer to human hair than to typical dog fur. This coat grows continuously and sheds very little, which is why the breed is often marketed as 'hypoallergenic.' According to the UK veterinary charity PDSA and the American Kennel Club, however, no dog is truly hypoallergenic – human allergic reactions are mainly triggered by proteins in dander, saliva and urine rather than the hair itself, so a Yorkshire Terrier can still trigger allergies in sensitive people, even though it sheds less around the home.

Temperament

Beneath the elegance, the Yorkshire Terrier is a true terrier at heart: brave, self-assured, occasionally stubborn and very alert, forming a strong bond with its owner. It tends to bark to announce anything happening nearby, making it a good little watchdog, though this needs to be managed with consistent training in apartment settings. It is intelligent and eager to learn, but needs firm, patient, consistent handling – overly permissive upbringing quickly leads to stubborn, domineering behaviour that doesn't suit its tiny frame.

Health

The breed's small size brings several well-documented health risks. Tracheal collapse is one of the most common respiratory problems in Yorkshire Terriers – a study at New York's Animal Medical Center reviewing more than 11,000 Yorkshire Terriers found a severe form of tracheal collapse in about 6.7% of dogs, while other veterinary estimates put the figure considerably higher in the breed's older population. Patellar luxation is also common – research shows the breed carries up to roughly five times the risk of crossbred dogs, with some samples finding 25-30% of dogs affected. Particularly characteristic of the breed is a congenital portosystemic shunt (liver shunt), where blood partly bypasses the liver and enters general circulation directly; some estimates put the Yorkshire Terrier's risk at up to 36 times that of all other breeds combined, while the above-mentioned American study confirmed the diagnosis in 0.8% of the dogs examined, mostly by age three. Because of their tiny body mass and fast metabolism, puppies in particular are prone to hypoglycaemia (low blood sugar), which can also be linked to liver shunts, so they should be fed small meals frequently.

Care

Because of its continuously growing, hair-like coat, the Yorkshire Terrier needs very intensive grooming – daily brushing is essential to prevent tangles and mats, and regular professional trimming or tying up of longer hair is also needed. Regular dental care is recommended too, as small breeds, including the Yorkshire Terrier, are more prone to dental disease. Given its delicate build, the dog should be handled carefully – lifting, play with children and contact with larger animals should always be supervised to prevent injury.

Suitability for families

The Yorkshire Terrier is a loyal, affectionate family dog that likes to be at the centre of things, but its fragility makes it less suitable for families with very young children, who could unintentionally injure it through rough handling. It gets along better with older, calmer children who understand how to respect its size. Similar caution applies around larger dogs or other pets – with early socialisation it often gets along well with other household animals, but its terrier instincts and small body weight call for supervision.

Apartment living

Thanks to its small size and comparatively moderate exercise needs, the Yorkshire Terrier is one of the more apartment-friendly breeds – short walks and indoor play are usually enough. That said, it is not a dog to neglect: it is a lively, intelligent breed that also needs mental stimulation, companionship and consistent training, which makes it a less than ideal choice for completely inexperienced owners who underestimate how much care and attention this small but demanding dog requires.

Pros & cons