Related Clues:

• Trilled calls
• Cheep substitutes?
• Aviary racket
• Sounds made by some birds and insects
• Sounds from a feeder
• Bird calls
• Bird sounds
• Makes short sharp sound like bird or grasshopper
• Makes short sharp note like bird or grasshopper
• Smoke detector sounds when the battery runs low
• In-flight calls?
• Sings like a bird
• Some low-battery warnings
• Cicada sounds
• Words from birds