BrainStuff Classics: How Do City Birds Benefit from Cigarette Butts?

Birds everywhere add insect-repelling plants to their nests, but urban birds have to get a little creative. Learn how cigarette butts help city birds stay healthy in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/urban-birds-oust-bugs-with-butts.htm Learn more about your ad-choices at https://www.iheartpodcastnetwork.com