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Why should we listen to birds? (part two)
In this second episode of our Age of Extinction takeover, Phoebe Weston and Patrick Greenfield explore how human noise is affecting birds, and what listening to birdsong can tell us about biodiversity. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>