General Appearance
The Australian Shepherd is a well-balanced, medium-sized dog with a slightly longer-than-tall body. It is lithe and agile, with a smooth, ground-covering gait. The breed is known for its expressive eyes, merle or solid coat patterns, and a tail that is naturally bobbed or docked.
Size
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Males: 20–23 inches at the shoulder
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Females: 18–21 inches at the shoulder
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Weight: 40–65 pounds (males); 35–55 pounds (females)
Size should not compromise symmetry, athleticism, or function.
Head
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Skull: Moderately broad and flat on top, slightly rounded at the crown.
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Muzzle: Equal in length to the back skull, tapering slightly to a rounded tip.
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Stop: Moderate but distinct.
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Eyes: Almond-shaped and expressive. Colors include brown, blue, amber, or any combination, including marbling and flecks.
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Ears: Triangular, set high, of moderate size, and carried forward and slightly to the side when alert.
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Nose: Black in black and blue merles; liver in red and red merles.
Body
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Neck: Strong, slightly arched, and of moderate length.
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Back: Level and firm from withers to hip joint.
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Chest: Deep with well-sprung ribs.
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Loin: Strong and slightly tucked up.
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Tail: Naturally bobbed or docked to no more than 4 inches.
Legs & Feet
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Forequarters: Shoulders well-laid back, upper arm equal in length to the shoulder blade, forming a 90-degree angle.
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Hindquarters: Muscular and well-angulated.
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Feet: Oval, compact with well-arched toes and thick pads.
Coat
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Type: Medium-length, weather-resistant double coat. Straight to wavy texture.
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Undercoat: Density varies with climate.
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Mane and Frill: More pronounced in males.
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Feathering: Moderate on back of legs, and a moderate ruff around the neck.
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Color: Blue merle, red merle, solid black, or solid red—all with or without white markings and/or tan points. White should not predominate on the head.
Gait
Smooth, easy, and balanced. Aussies are agile and capable of a quick and graceful movement, showing excellent reach in front and strong drive behind. The back remains level while in motion.
Temperament
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Smart, loyal, and energetic, the Aussie thrives on activity and purpose.
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Naturally protective of its home and family, without aggression.
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Reserved with strangers, but never shy or timid.
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Highly trainable, excelling in obedience, agility, herding, and service work.
Faults
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Overly heavy or coarse build
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Shyness or aggression
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Poor movement or lack of balance
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Overly long or curly coat
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Predominant white on the head or body
Disqualifications
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Undershot or overshot bite greater than 1/8 inch
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Pricked ears
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Non-docked tail longer than 4 inches (unless naturally bobbed)
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Blue eyes in red-coated dogs (per some registry standards)
Ideal Owner
The Australian Shepherd needs a home that can provide plenty of physical activity and mental stimulation. Ideal for active families, hobby farmers, or competitive dog sports, Aussies form deep bonds and shine brightest when given a job to do—whether herding livestock, running agility courses, or cuddling with their person after a long hike.