Yellow-crowned Night-Heron song and calls
Nyctanassa violacea
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Open the appBirdsong and calls are often the easiest way to identify the Yellow-crowned Night-Heron, especially when the bird is hidden in dense foliage. Below is what to listen for.
Song
Not known for a complex song. Vocalizations are generally harsh calls.
Calls
The most common call is a distinctive, harsh, guttural 'kwok' or 'squawk', often given in flight or when disturbed. Also produces a softer 'woc-woc' call at the nest.
When they vocalize
Most vocal during the breeding season, especially at dusk and dawn, and when disturbed or in flight.
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