It the breed of Galgo Español or The Estrela Mountain Dog used most often as a guard dog?
Estrela Mountain Dog: The Estrela Mountain Dog is a large breed of dog which has been used for centuries in the Estrela Mountains of Portugal to guard herds and homesteads. Galgo Español: The Galgo Español ("Spanish galgo") or Spanish greyhound is an ancient breed of dog, specifically a member of the sighthound family.
i don't know