They are very loyal and protective of their owner and family. The head is large but proportionate to the size of the body. When viewed from the side, the muzzle is slightly shorter than the skull and joined by a definite stop. The planes of the skull and muzzle are parallel. The skull is flat and broad, tapering slightly toward the muzzle.
Cheeks are muscular and prominent.
Lips are tight. Except in the case of dogs with dilute coat color, lip pigment and the inside of the mouth, excluding the tongue, are darkly pigmented. The Blackmouth Cur has a complete set of evenly-spaced, white teeth meeting in a scissors bite. Black pigment is preferred, but red or brown are allowed in dogs with dilute coat color. Eye rims are tight and match lip pigment.