The name comes from the ancient Roman province of Noricum (Austria today) where it was originally bred. They are a medium-heavy draft breed. This beautiful blue roan variant with the always dark/black head is called 'Mohrenkopf'.
The Boulonnais, also known as the "White Marble Horse", is a heavy draft horse breed. It is known for its large but elegant appearance and is usually gray, although chestnut and black are also allowed by the French breed registry.