The Hawaiian Black Sheep is black from head to hoof, with a splash of white on the muzzle. The Black Hawaiian Sheep has horns, not antlers, which do not shed and continue to grow. Black Hawaiian Sheep weigh between 130 and 160 lbs. The males have horns that can weigh 30 pounds, which is more than all the bones in his body combined. Horn length is typically 14 inches and up, and can reach up to 35 inches. Female Black Hawaiian Sheep, called ewes, also have horns that are smaller.