Podknife - Migrations: Which Came First, North- or South-bound Migration? by BirdNote Daily

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Migrations: Which Came First, North- or South-bound Migration?

Podcast |: BirdNote Daily
Publisher |: BirdNote
Media Type |: audio
Podknife tags |: Animals,; Birds,; Natural Sciences,; Science & Medicine
Categories Via RSS |: Education,; How To,; Natural Sciences,; Nature,; Science
Publication Date |: Nov 08, 2024
Episode Duration |: 00:01:40

Description
iTunes Summary

Every year, hundreds of bird species migrate between North and South America. Some species likely evolved from ancestors that moved north in search of new breeding habitats: the “southern home” hypothesis. But others may have extended their winter ranges south: the “northern home” hypothesis. Many birds have likely gained and lost the ability to migrate multiple times over the course of evolution. And it’s still happening today.

More info and transcript at BirdNote.org.

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Migratory behaviors can change over evolutionary time.

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.

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