G-WHIZ a Pitts S-1. Deregistered in 1997 so no picture.

Shh! If an accountant sees this they'll assume there are too many.

I don't think any do it on the scale of starlings but I've seen lapwings behave similarly. And here are 1500 barnacle geese over Longhope.

If the votes had been the other way round Scotland would have voted for independence.