Possible Clues:

• Back, on a boat
• When it's rare for three to be behind?
• That's like a bird back there
• Oriental loses lead towards the end
• Where jetsam may go
• Towards rear of a vessel
• Like a flighty creature getting behind
• A sailor's initially followed by seabird to rear of ship
• To a ship's rear
• A fox-hound's tail at the vessel's rear