The Appenzell Mountain Dog presents as a medium-sized, well-muscled dog with a distinctive square profile when viewed from the side. This breed exhibits the classic tricolor pattern associated with Swiss mountain dogs, featuring a base coat of black or brown (known as "Havana brown") with symmetrical white and rust markings. The overall impression should be one of agility, strength, and alertness, reflecting the breed's heritage as a versatile working dog in demanding Alpine conditions.
The head is proportionate to the body with a slightly wedge-shaped skull that is broad and flat between the ears. A moderate stop transitions into a straight muzzle of medium length, neither pointed nor blunt. The skull and muzzle should be approximately equal in length, creating balanced proportions. Eyes are small, almond-shaped, and dark brown in color, set slightly obliquely and conveying an alert, intelligent expression. Lighter eyes or asymmetrical eye colors are considered faults. The ears are triangular with rounded tips, set high on the skull and hanging flat against the cheeks when relaxed. During moments of attention, the ears rotate forward, with the base of the ear raising while the tip remains folded.
The neck is strong, muscular, and of medium length, flowing smoothly into well-laid-back shoulders. The body structure emphasizes squareness and compactness, with the length from point of shoulder to point of buttock approximately equal to the height at the withers. The topline remains level and firm, with a strong, short back and a broad, muscular loin. The chest reaches to the elbows with well-sprung ribs providing adequate lung capacity for sustained work. The underline shows a slight tuck-up, contributing to the athletic appearance. The croup slopes gently from the loin to the tail set.
The tail is one of the breed's most distinctive features, set high and carried in a tight curl over the back when the dog is alert or moving. The tail should be of moderate length, reaching at least to the hock joint, and covered with bushy hair. A correctly curled tail lies flat against the back or either side of the hindquarters. Forequarters feature straight, parallel legs with strong bone and well-developed muscles. Shoulders are long, well-laid-back, and form a distinct angle with the upper arm. Elbows fit close to the body without turning in or out. Pasterns are short, strong, and slightly sloping when viewed from the side.
Hindquarters display powerful muscling appropriate for a breed required to navigate steep mountain terrain. The upper and lower thigh are long with moderate angulation at the stifle. Hocks are well let down, short, and perpendicular to the ground. Feet are compact, round, and tight with well-arched toes and thick pads. Dewclaws may be present but are often removed. The coat consists of a double layer: a thick, harsh outer coat that lies close to the body and a dense undercoat. Coat length is short to medium, appearing slightly longer on the neck, back of the thighs, and tail. The texture provides weather resistance essential for working in various conditions.
The tricolor pattern is highly specific. A base of either black or Havana brown covers most of the body. White markings must include a blaze extending from the top of the head over the bridge of the nose, often reaching the muzzle. A white chest patch, white on all four feet, and a white tail tip are standard. Rust or tan markings appear above each eye, on the cheeks, on each side of the chest, on all four legs, and underneath the tail. These markings should be symmetrical and clearly defined. Too much white or absent rust markings are considered serious faults. Movement is a critical aspect of breed type. The Appenzell Mountain Dog should move with a free, fluid, ground-covering stride. The gait is efficient and tireless, with good reach in front and strong drive from the rear. The topline remains level during movement, and the legs move parallel when viewed from front and rear.
Males typically stand 20 to 23 inches at the withers and weigh between 55 and 70 pounds. Females measure 19 to 22 inches in height and weigh 48 to 60 pounds. Size should be proportionate to the overall structure, with neither extreme height nor excessive bulk preferred. Sexual dimorphism is apparent, with males displaying more substantial bone and musculature while females appear more refined without sacrificing strength. Significant deviations from breed standard include incorrect coat colors or patterns, light eyes, improper ear set or carriage, weak or roached toplines, straight stifles, splayed feet, and timid or aggressive temperaments. Any dog showing signs of breathing difficulty, excessive wrinkling, or extreme structural abnormalities should be excused from competition.
Affection Level
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Deeply devoted to family members but typically reserved with strangers
Good with Children
Patient and protective with children in their family, though supervision recommended due to herding instincts
Good with Other Dogs
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Generally sociable with other dogs when properly socialized, may be assertive
Good with Other Pets
Can coexist with other household pets when raised together, may attempt to herd smaller animals
Playfulness
Highly playful and energetic, enjoys active games and working activities
Energy Level
Very high energy requiring substantial daily exercise and mental stimulation
Trainability
Intelligent and trainable but can be independent; responds best to consistent, positive methods
Intelligence
Highly intelligent with excellent problem-solving abilities and working instincts
Tendency to Bark
Moderate to high; will bark to alert or when herding, can be vocal
Amount of Shedding
Moderate shedding year-round with heavier seasonal shedding periods
Grooming Needs
Relatively low maintenance; weekly brushing sufficient except during shedding seasons
Prey Drive
Moderate prey drive; more interested in herding than chasing, but may pursue small animals