So a duck quacks.  Didn't they invent shotguns to keep those ducks quiet?  

As a side note, for years I looked at returns prepared by other preparers wondering why the IRS never swooped in on something so obvious that even a blind squirrel could see they missed the boat.  I'm willing to bet one quacking duck isn't going to catch anybody's attention at the IRS.  Besides, maybe the duck will get COVID and develop a case of laryngitis.  🦆