Giant guinea pig had bite like a tiger, scientists learn

A University of York artist's impression of the Josephoartigasia monesi, which has a bite as powerful as that of a tiger

John Von Radowitz

A 'guinea pig' the size of a buffalo that lived three million years ago had a bite as strong as a tiger's, scientists have learned.

Experts believe it may have used its giant rodent teeth in the same way an elephant uses its tusks, to dig for food and defend itself.