Related Clues:

• Piece about Republican producing tweet
• Warbler’s warble
• Sound of a cricket
• [More worms, mama!]
• Tweet alternative?
• Tree frog sound
• Baby bird's call
• Alternative to a tweet?
• Hatchling's "Hi!"
• Tweet letter: pleased Tom might do this in retirement
• Force express pleasure, setting up Twitter
• Going for a song? That's what it sounds like
• Bird's peep
• Tweet letter from Greek bishop in revolt
• Mimic a bird