Birds egg, mute swan, Cygnus olor (Gmelin, 1789), in clutch of 6, found Windsor, Berkshire, England, 1942

Birds egg, mute swan, Cygnus olor (Gmelin, 1789), in clutch of 6, found Windsor, Berkshire, England, 1942
Birds egg, mute swan, Cygnus olor (Gmelin, 1789), in clutch of 6, found Windsor, Berkshire, England, 1942
Birds egg, mute swan, Cygnus olor (Gmelin, 1789), in clutch of 6, found Windsor, Berkshire, England, 1942