Other breeds used less often in heraldry include mastiffs, bloodhounds and foxhounds. The Guatemalan Dogo represents the Dogo subtype of Mastiffs. Some breeders are now (as of 2014) marketing white Tibetan Mastiffs. Hypothyroidism is fairly common in Tibetan Mastiffs, as it is in many large "northern" breeds. As well as the pastoral or shepherd types, mastiffs or bandogs, and various village dogs. The breed is longer and stronger than the other Asian mastiffs. Despite this, the guard dogs are not restricted to mastiffs. They would alarm bark to alert the monks and the Tibetan Mastiffs below. Bay lives in Miami with his three English mastiffs, named for characters in his films. He is recently interested in fostering world-class mastiffs. The Jew confessed his crime, and was hanged by his feet between two mastiffs. Its job was to alert the large mastiffs to an intruder. He bought two Mastiffs from the previously mentioned dealer Bill George. From 1906 to 1918, only 24 Mastiffs were registered in the United States.