Border Collie Breed Standard

Herding Group
Preamble - The Border Collie originated in the border country between Scotland and England where the shepherds' breeding selection was based on biddable stock sense and the ability to work long days on rugged terrain. As a result of this selective breeding, the Border Collie developed the unique working style of gathering and fetching the stock with wide sweeping outruns. The stock is then controlled with an intense gaze known as "eye", coupled with a stalking style of movement. This selective breeding over hundreds of years developed the Border Collie's intensity, energy and trainability which are features so important that they are equal to physical size and appearance. The Border Collie has extraordinary instinct and an uncanny ability to reason. One of its greatest assets is the ability to work out of sight of its master without commands. Breeding based on this working ability has made this breed the world's premier sheep herding dog, a job the Border Collie is still used for worldwide.

General Appearance
The Border Collie is a well balanced, medium-sized dog of athletic appearance, displaying style and agility in equal measure with soundness and strength. Its hard, muscular body conveys the impression of effortless movement and endless endurance. The Border Collie is extremely intelligent, with its keen, alert expression being a very important characteristic of the breed. Any aspect of structure or temperament that would impede the dog's ability to function as a herding dog should be severely faulted. The Border Collie is, and should remain, a natural and unspoiled true working sheep dog whose conformation is described herein. Honorable scars and broken teeth incurred in the line of duty are acceptable.

Size, Proportion, Substance
The height at the withers varies from 19" to 22" for males, 18" to 21" for females. The body, from prosternum to point of buttocks, is slightly longer than the height at the withers with the length to height ratio being approximately 10:9. Bone must be strong, medium being correct but lighter bone is preferred over heavy. Overall balance between height, length, weight and bone is crucial and is more important than any absolute measurement. Dogs must be presented in hard working condition. Excess body weight is not to be mistaken for muscle or substance. Any single feature of size appearing out of proportion should be considered a fault.

Head
Expression is intelligent, alert, eager, and full of interest. Eyes are set well apart, of moderate size, oval in shape. The color encompasses the full range of brown eyes, dogs having body colors other than black may have noticeably lighter eye color. Blue eyes (with one, both or part of one or both eyes being blue) in dogs other than merle, are acceptable but not preferred. Eye rims should be fully pigmented, lack thereof considered a fault according to degree. Ears are of medium size, set well apart, one or both carried erect and/or semi-erect (varying from 1/4 to 3/4 of the ear erect). When semi-erect, the tips may fall forward or outward to the side. Ears are sensitive and mobile. Skull is relatively flat and moderate in width. The skull and muzzle are approximately equal in length. In profile the top of the skull is parallel with the top of the muzzle. Stop moderate, but distinct. The muzzle is strong, tapering slightly to the nose. The underjaw is strong and well developed. A domed, blocky or very narrow skull is faulty according to degree, as is cheekiness and a snipey muzzle. Nose color matches the primary body color. Nostrils are well developed. Lack of nose pigmentation is a fault according to degree. Bite: Teeth and jaws are strong, meeting in a scissors bite. Complete dentition is required. Missing molars or pre-molars are serious faults as is an undershot or overshot bite.

Neck, Topline, Body
Neck is of proportional length to the body, strong and muscular, slightly arched and blending smoothly into the shoulders. Topline: Back is level from behind the withers to the slightly arched, muscular loins, falling to a gently sloping croup. Body is athletic in appearance with a deep, moderately broad chest reaching no further than the point of the elbow. The rib cage is moderately long with well sprung ribs. Loins moderately deep and short, muscular, slightly arched and with a slight but distinct tuck up. The tail is set on low and is moderately long with the bone reaching at least to the hock. The ideal tail carriage is low when the dog is concentrating on a given task and may have a slight upward swirl at the end like a shepherd's crook. In excitement, it may be raised proudly and waved like a banner, showing a confident personality. A tail curled over the back is a fault.

Forequarters
Forelegs should be parallel when viewed from front, pasterns slightly sloping when viewed from side. Because sufficient length of leg is crucial for the type of wo