Possible Clues:

• Obstacle to success
• Bird well below par
• Double eagle producing handicap
• Three strokes under par for a golf hole
• Ship's follower hung about an old sailor
• The Ancient Mariner's burden
• A bird of some raucous sort — a blackcap — about
• Bird that's even harder to shoot than eagle
• Hole played in three strokes under par
• Three under par for a hole