While the average human bite is between 120-160 PSI (pounds per square inch), as you might expect, a dog's bite is far greater. And a Tibetan Mastiff has one of the strongest bite forces of any ...

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 ...