(QUOTE) "Mr Tyler estimated in an interview in The Independent newspaper that the government could fly the ducks back to the US in business class and it would still be cheaper than to wipe them out". (QUOTE)
This would be quite difficult as British Ruddy Ducks will never have seen the other side of the Atlantic in their lives or for generations before that even. So in that respect they are more British than most human residents in this country. You would still have to catch them first too.
Cheers,
Adam