Britain’s Catherine, Duchess of Cambridge, holds her son George as they visit the new Bilby Enclosure at Taronga Zoo in Sydney

Britain’s Catherine, Duchess of Cambridge, holds her son George as they visit the new Bilby Enclosure at Taronga Zoo in Sydney

Britain’s Catherine, Duchess of Cambridge, holds her son George as they visit the new Bilby Enclosure at Taronga Zoo in Sydney April 20, 2014. Prince William and his wife Kate are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. REUTERS/Chris Jackson/Pool (AUSTRALIA – Tags: ENTERTAINMENT ROYALS ANIMALS)