Tiny, tiny teeth. There appear to be three of them.

The Duke And Duchess Of Cambridge Tour Australia And New Zealand - Day 14

Caption:SYDNEY, AUSTRALIA - APRIL 20: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch their son Prince George of Cambridge reacts after looking at an Australian animal called a Bilby, which has been named after the young Prince, during a visit to Sydney's Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. (Photo by David Gray - Pool/Getty Images)