The Border Collie is a moderate sized, energetic operating puppy. Its physique is somewhat longer than it is high. The reasonably level skull is moderate in width. The skull and muzzle have to do with the exact same size, with a moderate stop. The sturdy teeth satisfy in a scissors bite. The oval eyes are specified well apart and brown in colour, other than in merles where one or both eyes could be blue. The medium sized ears are specified well apart, either held set up or semi-erect. The front legs are directly when seen from the front, however somewhat angling when seen from the side. The medium sized tail is specified reasonable reaching a minimum of to the hock, climbing rather when the puppy is enthused. Dewclaws are generally eliminated. The dual coat is weather condition resistant, thick and close-fitting. There are 2 coat wide arrays: a brief, smooth coat (regarding 1 inch (2.5 centimeters) long) and a rugged, harsh coat (regarding 3 inches (7.6 centimeters) long). The coat colours can be found in black and white, tricolor, red and white, black and grey, yellow, yellow and white, sable, and all black. The longer haired variety ought to have a hair and tail brush. The hair on the face, ears and front legs is always brief and smooth. Considering that Border Collies are reproduced for operating potential and knowledge instead of for bodily appeal, conformation differs commonly.