Ugly Ducks [UGDUC]

Once upon a time down on an old farm, lived a duck family, and Mother Duck had been sitting on a clutch of new eggs. One nice morning, the eggs hatched and out popped six chirpy ducklings. But one egg was bigger than the rest, and it didn't hatch. Mother Duck couldn't recall laying that seventh egg. How did it get there? TOCK! TOCK! The little prisoner was pecking inside his shell...