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Using cigarettes to ward off parasites
Posted by Dr. Dolittle on December 5, 2012
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Researchers Suárez-Rodríguez et al., observed house finches (C. mexicanus) and sparrows (P. domesticus) on the National University of Mexico campus in Mexico City routinely pulling apart cigarette butts to obtain the filters. The birds were found to incorporate the filters in their nests leaving researchers to speculate the purpose of used cigarette butts. Using heating elements to attract parasites, they…