
The Terceira Mastiff is an extinct Portuguese dog landrace, also known as the Rabo Torto.
The breed originated in the rural areas of Terceira Island in the Azores, where it adapted to the rugged terrain and humid climate.
The Terceira Mastiff, also known as the Rabo Torto, was a landrace from the Azores, specifically the island of Terceira. This breed was known for its distinct twisted tail and robust build. It was traditionally used for guarding livestock and property. Despite its useful traits, the breed eventually died out, with no known specimens remaining today.


Mastiff-type Terceira Mastiff, 20th century
Trainability
Responsiveness to training: —/5