3.Estrela Mountain Dog
This breed comes all the way from Portugal where it has been used to herd and guard homes and farms. This breed is centuries old and is named after the Estrella Mountains where it comes from. It has either a long coat or a short coat with the texture of goat fur. It comes in all different shades including brindle, grey and yellow, fawn, black and white. These are big dogs weighing in 88-110 pounds with the males being larger than females.