flying bird with cigarette butts Why Some Birds Seem to Be Developing a Habit In Sweden, Crows Are Learning

In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle A Swedish company has been training crows to pick up cigarette butts in an effort to reduce the cost of cleaning litter off the streets in Sdertlje, near Stockholm., Corvid Cleaning has developed a 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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