Brown-headed Cowbird song and calls

Birdsong and calls are often the easiest way to identify the Brown-headed Cowbird, especially when the bird is hidden in dense foliage. Below is what to listen for.

Song

The male's song is a gurgling, bubbly series of notes, often described as 'glug-glug-glee' or 'bubble-bubble-zee,' sometimes preceded by a high-pitched whistle. It is not particularly musical.

Calls

Common calls include a sharp, metallic 'chink' or 'check' call, often given in flight or when disturbed. Females also give a harsh 'rattle' call, especially when approaching a host nest.

When they vocalize

Males sing primarily during the breeding season (spring and early summer) to attract females. Calls are given year-round, particularly when foraging or in flocks.

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