Professor Jeremy Hyman has studied song sparrow territorial behavior extensively and joins John on a rainy day to talk about the surprising amount of aggression behind their beautiful song. In this Part 1 of two episodes on song sparrows, you'll learn everything you need to know about how male song sparrows establish and defend their territories. You'll also learn tips for identifying song sparrow battle lines in your backyard!

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Big thanks to Professor Jeremy Hyman for being on the show!

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Intro music by Ricky Pistone, outro music by The Sidewalk Slammers. Check them out wherever you get your music!

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Bird sounds from www.xeno-canto.org, both song sparrow songs from this episode were recorded by Thomas Magarian

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