Male Java sparrows may coordinate their bill-clicking sounds with the notes of their song. Birds may communicate using both vocalizations and movement, as for instance occurs during courtship displays ...

Listen closely to a Java sparrow sing: Interspersed among the notes will be clicks that the bird makes with its bill. All male birds use the clicking sounds in their songs — and the patterns appear to ...

Birds don’t just sing, they can 'beatbox' too, a new study suggests. Male Java sparrows may click their bills together with the notes of their song in a similar way to human beatboxers. Scientists ...