In reply to Rob Parsons:
> And, come fledging, the ducklings seem to be able to put up with the resulting plummet. Nature always finds a way ...
Not always. When I saw this on the Beeb I was completely horrified
Don't watch if you're squeamish or easily upset - I think the first jumpers weren't so lucky, didn't survive the fall (or did only to get caught by waiting foxes).