Meaning: This means that the birds are making joyful sounds with their voices.
Choice of Words: **The birds** means a group of birds. **Are singing** means that they are making sounds with their voices. **Happily** means that they are doing it with joy and contentment.
Listen to the cheerful bird songs.
Meaning: This means that you should pay attention to the happy and joyful sounds that the birds are making.
Choice of Words: **Listen** means to pay attention to sounds. **Cheerful** means that the sounds are making you feel happy and joyful. **Bird songs** means the sounds that birds make with their voices.