Swainson’s Hawks make an incredible journey every year, migrating 12,000 miles round-trip from North America’s prairies to Argentina’s pampas. What makes them truly unique is their diet. Most hawks hunt rodents and reptiles, but Swainson’s Hawks switch to insects, feasting on grasshoppers and locusts in South America. In the 1990s, this diet nearly led to disaster when pesticides in Argentina killed over 20,000 hawks in two years. But a successful international conservation effort saved them.More info and transcript at BirdNote.org.Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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