Related Clues:

• Cry of bird — motherless one?
• Bugle noise
• Crow's noise
• Siren's wail, e.g
• Sit on, as a horn
• Cry from the ravenous?
• Car alarm sound
• Megaphone sound
• Rook or crow's call
• Be loud
• Twitter relative
• 'Listen up! I'm a crow!'
• Crow's announcement
• Rook’s output
• Loud, harsh sound