Britain Has a New King. The Swans Have a New Owner. - The New York Times

Swan wrangling and 'steamy trysts': the unusual lives and jobs of the king's entourage, Monarchy

The Queen's Swans at Windsor – Windsor, England - Atlas Obscura

Royal ruckus as swan on track delays trains near London

Swans in decline: numbers in London drop by 40 per cent

Mute swan - Wikipedia

Britain's swans get new owner with royal succession

Swan - Wikipedia

No, the King doesn't own all the swans in Britain

Mute swan - Wikiwand

Black Swan Green by David Mitchell

Queen Elizabeth II, Britain's monarch for 70 years, dies

Watch: Swan, Owned By King Charles, Blocks Train Tracks In London

The Crown: What the deal with the royals and owning swans actually is