The Three-Wattled Bellbird And Its Deafening Song

The three-wattled bellbird—named for the three wattles that hang from the males' heads—is one of the world's loudest birds. Its mating call can carry for more than a kilometer (.6 miles) through the forest. BirdLife International describes this call as a "resonant, far-carrying boing, often preceded by piercing whistles or twangs."

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