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Podcast: BirdNote
Episode:

What's with the Wattles?
Category: Religion & Spirituality
Duration: 00:00:00
Publish Date: 2019-02-28 02:00:00
Description: Birds like male turkeys or barnyard roosters have a wrinkly, bumpy flap of red skin called a wattle. But what are wattles for? Birds can’t sweat, so wattles help release excess heat. Wattles are also key to courtship displays.
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