Related Clues:

• Tree-damaging insect
• Drill, essentially
• Shortest-distance flier?
• "Caw" bird
• Most of the monarchy blow their own trumpet
• Destructive beetle
• Brag, and cause many a set-to
• Sound made by a happy baby bird
• Brag; carrion bird
• Boastful bird?
• 'As the - - flies'
• Bird's cocky sound?
• Bird getting lower circling river
• Boast about rank
• Boast about column