Used to describe the high-pitched sounds of birds or insects.

the sound of birds chirping or twittering

the twittering of birds or the sound of soft babbling

(onomatopoeia) the chirping of birds, the buzzing of insects, or any similar small and noisy sounds

The sound of a sneeze; used mainly in Taiwan.

The twittering or warbling of birds; also refers to a confused or indistinct noise, such as the murmuring of voices reciting or lecturing.