Findings:

• The Swan of Tuonela
• a beautiful little duckling who wants nothing more than to never grow up in the manner of an arrogant swan
• The Black Swan
• Thomas Burnett Swann
• Black Swan Project
• Donald Swann
• swan (user)
• The White Swan Barbecue and Fried Chicken
• Caffeinated Faerietales :: Blueboy and Swan
• Swan Dive, Cold Feet, White Dress
• A race of boys that transform into swans and sprout wings
• Swan River
• Curt Swan
• Among My Swan
• Joseph Wilson Swan
• The Trumpet of the Swan
• Henrietta Swan Leavitt
• Charlie Swann
• Swan Nebula
• Whistling in the dark
• Riders of the Whistling Skull
• whistling shop
• Whistling Thorn Acacia
• The Whistling Song
• ain't just whistling Dixie
• A whistling woman is up to no good
• whistling through grass
• Whistling Mozart at work
• mute swan
• Good tunes for whistling
• whistling
• Black Swan Green
• Susan Swan
• things I have learned about the migration of tundra swans
• origami swan
• The Wild Swans: Part 3
• The Wild Swans: Part 2
• The Wild Swans
• Flanders and Swann
• Black Swan
• Trumpeter swan
• Swan Dive
• The Swan and the Goose
• Swan
• Leda and the Swan
• Swans
• Swan Lake
• Swan Theatre
• Christobel Swann
• The Six Swans
• The Swan's Nest
• Swann's way
• Sydney Swans
• Anna Swan
• Miss Swan
• Radio Swan
• Swan song
• Swan Islands
• The Swan of Avon
• Wild Swans
• The Swan
• Black Swan Records
• all swans are white
• Dan Swanö
• swan upping

If you Log in you could create a "Whistling swan" node. If you don't already have an account, you can register here.