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Urban blue tits use discarded cigarette butts to protect their nests, study suggests
- March 23, 2026 at 5:10 PM
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Discarded litter not only makes our streets and neighborhoods look untidy, but it can also pose a significant risk to wildlife. However, in a surprising development, a study published in the journal Animal Behaviour reports that blue tits are lining their nests with cigarette butts, which may protect them from parasitic infections.
Originally published at Phys.org