2 adverbs to describe how to chirrup

It grasped the lower end of the thread in its little claws as its trainer held it suspended in the air with the other end wound around his forefinger, and swung back and forth, chirruping cheerfully.

" Mechanically the Indian chirruped to the team and shook the reins.

2 adverbs to describe how to  chirrup  - Adverbs for  chirrup