If you have fond childhood memories of watching the antics of Donald Duck – or Daffy, or Huey, Dewey and Louie – then you might find what you’re about to read a bit upsetting. If, on the other hand, you remember watching the George Lucas produced 80s megaflop Howard The Duck, and thinking the human/ duck sex scene was deeply disturbing, then you’re about to find out you didn’t know the half of it. Because ducks – yes, cute, quacking, couply ducks – have one of the darkest sex lives of all animals.