chitter

verb2

1. •
   To make a series of high-pitched sounds; to twitter, chirp or chatter.

   • It was a beautifully sunny day and beetles could be heard chittering loudly in the rose garden by the side of the path made out of antique bricks.
2. •
   (Scotland, no longer used) To shiver or chatter with cold.

   • Whare wilt thou cower thy chittering wing, / An' close thy e'e? — 1786