First bred as guard dogs, Tibetan mastiffs are fearless protectors ... make wonderful guard dogs. While a bull mastiff’s mere ...

They are highly trainable and loyal, making them excellent guard dogs. Their imposing size and distinctive appearance can be very intimidating to potential intruders. The Tibetan Mastiff is a ...

The family believed the dog was a Tibetan Mastiff, a breed that can grow to be quite large Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her work has ...