The distance from the occiput to the center of the stop is greater than the distance measured from the stop to the nose tip. The proportions for these measurements are five parts of the total distance being delegated to the skull and three parts to the muzzle. The muzzle is rounded, but not blunt, and tapered, but not pointed. The jaws are clean and strong, with the moderately deep, well-formed underjaw reaching to the base of the nose and rounded at the chin. The lips fit cleanly and evenly together all around.
Eye color is clear and dark, in harmony with the coat color.
Blue eyes, or partially blue eyes, in any coat color other than blue merles. The nose is black. In blue merles, a butterfly nose is tolerated, with a black nose being preferred. Nose color other than black, except for a butterfly nose on a blue merle dog. They are carried erect, sloping slightly forward when alert.