SWAN UPPING
Swan Upping is the annual census of the swan population on stretches of the Thames in the counties of Middlesex, Surrey, Buckinghamshire, Berkshire and Oxfordshire.
This historic ceremony dates from the twelfth century, when the Crown claimed ownership of all mute swans.
At that time swans were regarded as a delicious dish at banquets and feasts.
Today, the Crown retains the right to ownership of all unmarked mute swans in open water, but The Queen only exercises her ownership on certain stretches of the Thames and its surrounding tributaries.
Apparently