flying bird with cigarette butts Why Some Birds Seem to Be Developing a Habit City birds are using cigarette

City birds are using cigarette butts for pest control. House sparrows and finches line their nests with smoked filters. The nicotine left behind repels parasites like mites and lice. It's a Dutch Company Wants To Use Crows To Clean Up City Of Cigarette Butts A Swedish start up, Corvid Cleaning, is recruiting an unlikely workforce, wild crows, to combat urban pollution. The pilot project, launched in partnership with the Keep Sweden Tidy Foundation, trains crows to collect David Lynch Explains The Dark Origins Of His Nightmarish Retrospective HuffPost Entertainment That cigarette butt you flicked? It's in a bird nest now. THE BEHAVIOR: Birds gather soft materials for nests. Cigarette filters look perfect fluffy, light, everywhere. THE POISON: Filters contain The Dirt Behind Big Tobacco and the Environment

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