Established in 1929 by President Hoover to protect a breeding ground for migratory birds, the sanctuary still ranks as one of the largest nesting areas in north Florida, for birds such as ibises, pelicans, egrets and double-crested cormorants.

BBC: Mini guide to natural Florida

As a clue to ducal solidarity, a shared outlook (16 dukes, for instance, went to one school, Eton) probably matters more than breeding.

ECONOMIST: M��lords, ladies and gentlemen

The consequence for the racing industry is that they have spend several decades breeding genetically inferior horses to one another based on their somewhat deceptive winning records.

FORBES: No American Horse Steak for You, Europeans