Black-headed Heron song and calls

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

Song

Not known to have a complex song. Vocalizations are generally harsh and guttural.

Calls

A deep, harsh 'kraaak' or 'kwaark', often given in flight or when disturbed. Also produces a variety of croaks and grunts at the nest.

When they vocalize

Most vocal during the breeding season, especially around the colony. Calls can also be heard when disturbed or in flight.

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