Meaning: The birds produced sounds that were unique to their species.
Choice of Words:
Alternative Expressions
The birds chirped their tunes
Meaning: This means that the birds were making musical sounds with their voices. It's like when you sing a song, but the birds are doing it in their own special way.
Choice of Words:Chirped is a verb that means to make a short, sharp sound, especially one made by a bird. Tunes are melodies or musical compositions. When you put them together, "chirped their tunes" means that the birds were making short, sharp sounds that were like music.
The birdsong filled the air
Meaning: This means that the sounds made by the birds were all around. It's like when you hear music playing in a room, but the birds are making the music outside.
Choice of Words:Birdsong is a noun that refers to the sounds made by birds. Filled is a verb that means to make something full or to occupy a space. Air is the invisible gaseous substance that surrounds the earth and other planets.