Enter a clue or pattern or both:
The Clue
Duck perched on a sail? (10 letter answer)
The Answer
CANVASBACK
Tags
Notes
The answer CANVASBACK is so rare that it appears less than once every 2500 puzzles.
Definition
CANVASBACK as a noun:
1. (canvasback, canvasback duck, Aythya valisineria) = North American wild duck valued for sport and food