 Tiburon Blackie was a cavalry horse at the Presidio of San Francisco and was later owned by local retired military man.Contrary to some reports, neither did Blackie accompany the Army horses stabled at the Presidio of San Francisco which the "Buffalo Soldiers," the famous African-American cavalry and infantry troops, rode to the Sierra Nevada Mountains each spring to patrol the National Parks there.Blackie died at age forty in 1966.