Why then, would such big softies be so feared ... Mastiff is an ancient dog breed. First used in England as a guard dog and fighting dog, some of the earliest recorded Mastiffs go back to 3,000 ...

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 ...

the mastiff is the most adorable giant to thrive in the thin air of the Tibetan Plateau, where the average elevation is around 15,000 feet. But just how did the dogs get so good at mountain living?

Due to their bulk, they can be less active than many other types of working dogs, happy to go for ... our mastiffs,” no matter how droopy they get. “My mastiffs drink so much water too ...