By Hanna Rantala WINDSOR (Reuters) – Swans swimming along the bends of the River Thames and delighting visitors on riverbanks across Britain have a new owner. On the death of his mother Queen Elizabeth, Britain’s new monarch King Charles has inherited many of the country’s swans. “The king has the right to claim any swan swimming in open waters, unmarked, if he so wishes,” David Barber, who worked for Queen Elizabeth for some 30 years as her swan marker, told Reuters on Monday. “Not all the swans belong to the king. But if he wishes to claim them, he can, by the royal prerogative,” said Barber…