Related Clues:

• Sing like the birdies sing
• Sneak a look
• Spy
• Furtive glance
• Slightest sound
• Bird word
• Aviary sound
• Birdcage sound
• Hatchling's sound
• Sound from a worm eater
• Little sound
• Minimal sound
• Brief communication
• Slight protest
• The slightest sound