Their timing was perfect as these cute new zoo-perstars celebrated their first outing in front of an adoring public still in mourning following the death of the world's favourite polar bear Knut.
Polar bear cubs Gregor and Aleut, now four months old, took an Arctic roll watched by mum Vera as they met their fans for the first time at Nuremberg Zoo in Germany - exactly four years after Knut made his public debut in Berlin.
Mike
