Related Clues:

• Field frequenter found in this puzzle's five longest Across answers
• Boast about what scullers do
• Winged creature
• Show off cycle chain
• Bird's constant noise
• Bad avian omen in much mythology
• Bird's caught -- frown when head and tail are removed
• Magpie's cousin
• Raven's relative
• Eat ___ (be humiliated)
• Boast about what oarswomen do
• "If It Makes You Happy" singer Sheryl
• Last name of 49-Across
• "All I Wanna Do" Sheryl
• "C'mon, C'mon" Sheryl