Seven cygnets

Two weeks ago this pair of swans was aggressively defending their nest on the Caen Hill flight of locks at Devizes, and today the nest was empty.  Nearby these seven balls of fluff were exploring their environment, escorted by mum and dad.

Seven new cygnets for the Queen

Naturally, they belong to The Queen.  Exactly why this might be the case is not entirely clear to me.  She doesn't claim ownership of wild sparrows, after all.