I’ve come up with an interim solution to the queuing issue to see the Queen’s coffin in Westminster, let me know what you think, it’s not perfect but I don’t see anyone else coming up with anything
"The tallest mallard duck to have ever lived (since records began) known as 'Long Boi.' He lives on the campus of the University of York, England. He stands just over 1m tall (3.5ft)."