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The symphony of sounds in nature

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22min 11sec
Ryan Warner/CPR News
David George Haskell’s new book traces the remarkable evolution of animal sounds.

For hundreds of millions of years, nature was silent. No birds chirping, no insects buzzing. But then, things changed. That’s the subject of the new book, “Sounds Wild and Broken,” that follows the evolution of animal sounds. Biologist David George Haskell wrote much of it while living in Boulder.