Making a Sound Like a Bird or a Cricket

This page is the CodyCross answer for the clue below from Deserts of the world, Group 1608, Puzzle 3 (Jumping Cholla).

Question is: Making a Sound Like a Bird or a Cricket

and the answer is: CHIRPING

Word Meaning:

CHIRPING — present participle and gerund of chirp

Definitions from Wiktionary.