Definition: Sheepsheads are a type of sheep that is native to the United States. They are known for their wool, which is often used in clothing and blankets. Sheepheads typically grow at an average height of around 20-25 inches (51-63 cm) with a diameter of about 20-25 inches (50-74 cm). They are commonly found in the western United States and can be seen throughout much of the country.