18 clues for "SWANS":
- Cob and pen.
- Cygnets.
- Graceful birds
- Trumpeters
- Whoopers
- Beautiful birds.
- Birds.
- Birds said to mate for life.
- Certain dives.
- Cobs or pens.
- Cygnets' parents
- Ducks kin
- "Every man thinks his own geese ___"
- Graceful swimmers
- Group of 'nine-and-fifty' in a Yeats poem
- Old ugly ducklings.
- Poets or singers of great ability
- White birds.