What's with the Wattles?
Many birds, like male turkeys, have wattles. What are wattles for?
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Show Notes
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. Many other birds, including some storks and plovers, also have wattles.
More info and transcript at BirdNote.org.
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