Related Clues:

• Frequent morning surprise
• Chili rating unit
• Break-in deterrent
• Warning of a sort
• Screamer at a crime scene
• Klaxon
• Baby bird call
• Imitate a cricket
• Security warning
• Fire station signal
• Wail that warns
• Siren, for one
• Clock radio setting
• More than just startle
• Sparrow sound