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Headphones icon This story is best experienced with audio. Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Birdsong can ...

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Birds make sounds to communicate, whether to find a potential mate, ward off predators, or just sing for pleasure. But the conditions that contribute to the immense diversity of the sounds they make ...

Researchers conducted a global study of the factors that influence bird sounds, using more than 100,000 audio recordings from around the world. Birds make sounds to communicate, whether to find a ...