chittering

/CH IH1 T ER0 IH0 NG/
verb
  1. 1

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

    โ€œIt 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.โ€

  2. 2

    To shiver or chatter with cold.

noun
  1. 1

    The sound of a chitter.

Source: https://en.wiktionary.org/wiki/chitter, https://en.wiktionary.org/wiki/chittering