why do city birds bring cigarette butts to their nests & City birds use cigarette butts

City birds use cigarette butts to fight nest parasites https: www.earth.com news city birds use cigarette butts to fight nest parasites ?utm_source=dlvr.it&utm_medium=facebook #EarthDotCom #EarthSnap #Earth Why Urban Birds Are Adding Cigarette Butts to Their Nests One Green Planet City birds use cigarette butts to fight nest parasites: City birds are using cigarette butts in their nests to reduce parasites, but the toxic tradeoff may come with hidden risks for chicks. # Disturbing Photo Shows a Black Skimmer Feeding a Cigarette Butt to Its Chick Audubon City birds use cigarette butts to smoke out parasites Nature

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