Why some Birds Use Cigarette Butts in Their Nests to Protect Themselves From Parasites

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Cigarette butts, usually associated with pollution, could have an unexpected use in nature. A study by the University of dđ (Poland) points out that some birds use them to protect their nests from parasites in the most delicate stages of development. Research confirms a behavior already observed in different countries: several species incorporate these remains into their nests. It has been detected in places such as the Galapagos Islands, Mexico…