1‘larks warbled in the blue sky’
trill, sing, chirp, chirrup, chirr, cheep, twitter, tweet, whistle, chatter, squeak, pipe, peep
1‘a solitary warble pierces the air’
trill, trilling, song, birdsong, cry, warbling, chirp, chirping, chirrup, chirruping, chirr, chirring, cheep, cheeping, twitter, twittering, tweet, tweeting, whistle, whistling, chatter, chattering, squeak, squeaking, pipe, piping, peep, peeping, call, calling
We take a look at several popular, though confusing, punctuation marks.