Why A Duck?

Shouldn't it be "whither ducks"?  Not if you've seen the Cocoanuts, it shouldn't!

Hey!  Self Help Radio's show about ducks is on the air in ten minutes!  Quack quack!  88.1 fm in Lexington!  WRFL dot FM on the web!  Quack quack quack!  4 to 6 pm!  Quack!