Answer: chirps

AnswerCrossword Clue
CHIRPS

Cheep substitutes?

CHIRPS

Bird sounds

CHIRPS

Aviary racket

CHIRPS
Tweets
CHIRPS
Bird-like calls.
CHIRPSBird chatter.
CHIRPSShort, sharp sounds.
CHIRPSBirds' words
CHIRPSInsect sounds
CHIRPSFledglings' sounds
CHIRPSCricket sounds
CHIRPSSmoke detector sounds when the battery runs low
CHIRPSIn-flight calls?
CHIRPSSounds made by some birds and insects
CHIRPSBird calls
CHIRPSNest sounds
CHIRPSNest noises
CHIRPSSounds from a feeder