thejustfacts: City birds have learned to line their nests with cigarette butts in order to ward of parasites, as burnt nicotine works as an insecticide to ward off mites, lice and fleas.
thejustfacts: City birds have learned to line their nests with cigarette butts in order to ward of parasites, as burnt nicotine works as an insecticide to ward off mites, lice and fleas.
