1.   Bird song is a very familiar kind of animal behaviour.

2.   So you buy a compact disc containing scores of bird songs.

3.   The forest is full of bird song at all times of the year.

4.   Walton, using audio clips for illustration, describes some popular methods of representing bird song.

5.   The chorus of bird song, the buzz of insects, and the perfume of freshly cut grass distracted me.

6.   American names, laden with fascinating combinations of vowels and consonants, are full of soft utterance and hard articulation, bird song and verbal grapeshot.

7.   Between shells, the stillness of the deserted city was such that bird song could be heard.

8.   Bird song and shrubs budding with promised spring, big waves pounding, and small, fragile creeks burbling.

9.   Bird song went off in the background like weekend fireworks.

10.   Bird songs from the piazza complete the fantasy.