From humming fish to Puccini: Vocal communication evolved with ancient species

It's a long way from the dull hums of the amorous midshipman fish to the strains of a Puccini aria - or, alas, even to the simplest Celine Dion melody. But the neural circuitry that led to the human love song - not to mention birdsongs, frog thrums and mating calls of all manner of vertebrates - was likely laid down hundreds of millions of years ago with the hums and grunts of the homely piscine.

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