Answer: chirp

AnswerCrossword Clue
CHIRPStridulate
CHIRPCheerful sound
CHIRPBirds do it
CHIRPBird word
CHIRPSparrow's voice.
CHIRPSound in the woods.
CHIRPSpeak in a lively, shrill fashion.
CHIRPBird sound.
CHIRPCricket sound.
CHIRPFledgling sound.
CHIRPTweet-tweet.
CHIRPBird call.
CHIRPAvian sound.
CHIRPSylvan spring sound
CHIRPImitate a cricket
CHIRPFledgling's sound
CHIRPSpeak in a high voice
CHIRPHappy sound
CHIRPWake-up call?
CHIRPAviary cry
CHIRPBird's attempt at communication
CHIRPBaby bird call
CHIRPFeeder sound
CHIRPEarly morning sound
CHIRPSound from above
CHIRPCricket's sound
chirpto utter a short, shrill sound
chirpto make such a sound
chirpthe short, sharp sound made by small birds
CHIRPNestling's noise
CHIRPPeep
CHIRPTwitter
CHIRPBird sound
CHIRPBit of birdsong
CHIRPWord to a bird
CHIRPSound like a bird
CHIRPSound from a tree
CHIRPInsect sound
CHIRPNest noise
CHIRPCricket call