Apparently, the two enjoy mushroom foraging and are "deeply competitive about their hauls," the food writer writes. In the book, as reported by the Daily Mail, Barker Bowles says mushrooms are "somewhat of an obsession" for King Charles and Queen Camilla — the pair even try to out-forage each other.

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The little-known fact was revealed by Camilla's son, Tom Parker Bowles, who said King Charles and his mother were 'deeply competitive' about one unexpected hobby

Queen Camilla is "deeply competitive" with King Charles, according to her son Tom Parker Bowles, amid the couple's constant battle. King Charles is a keen champion of the environment, wildlife and the outdoors.

King Charles and Queen Camilla have an unusual hobby in common that they are said to become "competitive" over.

Queen Camilla is said to be deeply competitive with King Charles, as noted by her son, Tom Parker Bowles. The King, a strong advocate for the environment, has long enjoyed

King Charles and Queen Camilla share an incredibly competitive hobby according to the Queen's son, Tom Parker Bowles. See details