This post has the solution for Bit of birdsong crossword clue. The New York Times Mini Crossword is a mini version for the NYT Crossword and contains fewer clues then the main crossword. You can play the mini crossword first since it is easier to solve and use it as a brain training before starting the full NYT Crossword with more than 70 clues per day.
Bit of birdsong
SOLUTION:CHIRP
Check the answers for more remaining clues of the New York Times Mini Crossword March 31 2021 Answers.