Related Clues:

• Famous lake
• Former ugly duckling
• Epitome of grace
• Bird on a lake
• Zeus, in another form
• See 26 Across
• Mammoth's kin
• Serengeti heavyweight
• Cygnet's destiny
• Pachyderm
• '___ Lake'
• Erstwhile ugly duckling
• Ugly duckling, later on
• Cygnet's parent
• Graceful dive