Polish dog breeds are known for their intelligence and loyalty. They are often medium to large sized, and have a wide range of coat colors. Popular breeds include the Owczarek Nizinny (lowland sheepdog) and the Polish Tatra Sheepdog. These breeds are used as working and guard dogs and make great companions. They are also often used in shows, competitions, and herding. Polish dog breeds are known for their courage, strength, and agility.