Answer to Puzzle Contest (from the winner):

"Razorbill

The razorbill is a bird that is black above and white below.
The snail walking on the edge of a razor was a reference from Apocalypse Now.
And Bill, of course, is you!!"

Winner: Michelle Ferri, Philadelphia PA

Contest Statistics: Newsletter sent to 291086 subscribers, 16 answers submitted, 15 answers correct, 93.75% accuracy. Chance of a correct answer winning: 6.67%.