Possible Clues:

• Young bird caught by good trap — finally flying into it
• Sound made by small seal or young 17
• Young swan and small seal heard
• Turns up, the heartless legend found in American city produced a flighty youngster who enjoys swimming
• Small seal picked up young swimmer
• Caught and gently treated missing large young bird
• Water-loving youngster — small seal, reportedly
• The Swan’s tragic play: starting in Elsinore, it ends there
• Bird awfully cagy needing to miss a trap
• Sound made by seal in small pen, perhaps