Dilly was a Duck. There was no doubt about that. But Dilly was no orginary duck. He was very special. Dilly was a duck that couldn't swim. His momma duck, Molly, and his daddy duck, Robbie, could both swim. No matter how hard he tried, Dilly simply couldn't swim. You see, ducks have web feet to help them paddle in the water. But poor Dilly was born with Toes.