Animals do not uniformly hear the world. A forest at night, for instance, carries layers of sound that humans barely notice: ...

Because of their size, cats have relatively short vocal cords—so how are they able to produce such low-frequency sounds when purring? Pixabay Cats can be mysterious creatures to begin with, but their ...

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A horse's whinny is an unusually distinctive mix of sounds including both high and low frequencies. Reporting in Current Biology, researchers demonstrate how horses produce high-frequency sounds that ...