West Highland White Terrier: Why All White

The West Highland White Terrier, universally known as the Westie, is one of Scotland's most beloved contributions to the world of dogs: compact, bold and possessed of a thoroughly Scottish directness of character that makes it simultaneously engaging and occasionally exasperating.

The breed's white coat, bright dark eyes and perky expression give it an irresistible appearance, but the Westie is fundamentally a working terrier with a hunting heritage, and its character reflects that origin even after a century of development as a companion breed.

The white coat that defines the Westie was not a stylistic choice, it was a practical one with a traditionally told origin. The Malcolm family of Poltalloch in Argyllshire, Scotland, who developed the breed in the late 19th century, selected specifically for white-coated dogs following an accident in which a reddish-coated terrier was mistaken for a fox and shot by a hunting party.

The white coat, visible in all light conditions and clearly distinguishable from game, was thereafter a requirement in the Malcolm dogs. This origin story is widely told and gives the Westie's characteristic appearance a functional rationale that is both practical and poignant.

Origins and History

The West Highland White Terrier belongs to a group of Scottish terrier breeds that share a common ancestry: working terriers bred in the Scottish Highlands and Islands for hunting vermin, foxes, otters, badgers and rats, in the rocky, rough terrain of the Scottish west coast. The other members of this loose group include the Cairn Terrier (a close cousin of the Westie), the Scottish Terrier, the Dandie Dinmont Terrier and the Skye Terrier.

The Malcolm family of Poltalloch estate, particularly Colonel Edward Donald Malcolm, are credited with developing and stabilising the West Highland White Terrier as a distinct white breed from the existing variously coloured working terriers of Argyllshire. The breed was shown in the late 19th century under several names before the designation West Highland White Terrier was adopted. The first breed club was set up in 1904.

The Kennel Club (UK) recognised the breed in 1907. The American Kennel Club followed in 1908, placing the breed in the Terrier Group where it has remained.

The Westie's appeal as a companion breed grew steadily through the 20th century.

West Highland White Terrier Physical Characteristics

The Westie is a compact, sturdy terrier, built more robustly than its small size might suggest. The breed is muscular, deep-chested and well-boned, with the physical substance of a working dog rather than a toy companion.

Characteristic	Measurement
Height	25-28 cm (10-11 in)
Weight	6.8-9.1 kg (15-20 lb)
Lifespan	About 12-13 years on average
AKC Group	Terrier
Coat colour	White (the only acceptable colour)
Coat type	Double coat, harsh, straight outer coat; soft, dense undercoat

The double coat consists of a harsh, straight, weather-resistant outer coat and a soft, dense undercoat. The coat is approximately 5 cm in length on the body. The harsh outer coat provides excellent protection from the elements and from the abrasion of working in rough terrain, and it repels water and dirt to a significant degree.

The outer coat is traditionally hand-stripped rather than clipped to maintain the correct harsh texture, clipping softens the coat and changes its texture and colour (clipped Westies' coats often take on a creamy or yellowish tinge rather than crisp white).

Pet owners often use clipping for simplicity at the cost of coat texture.

The head is distinctive: a large, rounded skull, a relatively short muzzle, dark, wide-set eyes with a piercing expression and forward-pointing ears that add to the breed's characteristic alert and slightly cheeky expression.

Temperament

The Westie's temperament is a textbook expression of the working Scottish terrier character: bold, curious, tenacious, independent, and significantly self-confident for a small dog. Westies are not meek; they are dogs that investigate first and consider later, that approach new situations with interest rather than caution, and that meet the world with an air of cheerful certainty about their own importance and capability.

The breed can be good with children who interact respectfully, generally good with other dogs when well-socialised, and sufficiently independent to be somewhat less prone to separation anxiety than more people-bonded breeds. However, the Westie is not a submissive or passive companion. It has opinions, it expresses them and it requires a consistent, patient owner who appreciates terrier character rather than fighting it.

The prey drive is genuine and consistent: small animals, birds and moving objects activate the terrier's chase instinct. Small pets should not be trusted with an unsupervised Westie. Gardens will be investigated and may be improved (from the Westie's perspective) with excavation.

Health Conditions

The West Highland White Terrier has several significant health conditions that prospective owners must be fully informed about. The breed has a somewhat more complex health profile than many terrier breeds, with multiple conditions that require ongoing management.

Health Condition	Prevalence / Notes
Atopic dermatitis (skin allergies)	Common; about a quarter of surveyed Westies are affected
Westie lung disease (pulmonary fibrosis)	Idiopathic pulmonary fibrosis (IPF); progressive and life-limiting
Craniomandibular osteopathy (CMO)	Excessive jaw bone growth in young dogs (usually 3-6 months); painful

Atopic dermatitis is a common health issue in the Westie, affecting about a quarter of surveyed dogs. The condition manifests as chronic or recurrent skin irritation, itching, redness, hair loss, skin thickening and secondary bacterial or yeast infections on the feet, face, armpits, groin and ears.

Management involves identifying and avoiding triggers (environmental allergens, food allergens), controlling symptoms with appropriate medications, and managing secondary infections. The condition is rarely curable but can be managed to a quality of life compatible with normal activity. See also Common Dog Illnesses Explained.

Westie lung disease, idiopathic pulmonary fibrosis (IPF), is a serious condition seen in Westies. It is a progressive disease in which healthy lung tissue is replaced by fibrous scar tissue, reducing lung capacity and oxygen exchange. Clinical signs include progressive exercise intolerance, breathlessness and dry cough.

The condition typically presents in middle to older age and is progressive. There is no cure, and management is supportive.

Craniomandibular osteopathy (CMO) is a painful condition of young Westies in which excessive bone growth affects the jaw bones and sometimes the skull. Affected puppies show difficulty eating, pain when the mouth is opened and fever. The condition usually appears between 3 and 6 months of age and often stops progressing by about 12 months, and in some cases recedes. It is an autosomal recessive condition.

Training

Intelligent and curious, Westies learn fast, though their terrier independence and strong opinions demand that training uses positive reward methods and owners accept that compliance does not come automatically. High-value food rewards and brief, engaging sessions work best for this breed.

Early socialisation is important, the Westie's boldness can develop into territorial or reactive behaviour toward strangers and other dogs if the social expectations of the adult dog are not shaped in puppyhood. A well-socialised Westie is sociable and adaptable, an under-socialised one can be snappy and reactive.

Housetraining is typically straightforward for Westies, which are clean dogs with a natural aversion to soiling their sleeping areas. Consistent scheduling and positive reinforcement for outdoor elimination produce reliable housetraining in most individuals.

See also West Highland White Terrier Health Problems, Scottish Terrier, Jack Russell Terrier and Dog Dental Care Complete Guide.

Exercise

Westies are moderately active dogs with exercise needs appropriate to their size and terrier temperament. An adult Westie needs about an hour of daily exercise. The breed enjoys exploring, investigating scents and the kind of varied, stimulating walking that engages the nose as much as the legs. Off-lead access in securely fenced areas is appropriate, the Westie's recall reliability is moderate at best when a scent or moving creature competes with the owner's call.