Possible Clues:

• Fly with the girl on long legs
• Wading bird with long neck and legs
• Marsh bird 16. 43-Across, for example
• The female on long legs goes fishing
• Bayou bird
• Bird trapped during another onslaught
• Bird that flies with its neck retracted
• On the end, your bird is long-legged
• Rook and duck protected by another bird — and another
• Bird, note, behind Trafalgar Square statue?