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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
https://www.listennotes.com/e/4c83d7005bcf48b582ac76a7d96a7d8c/