> many larger animals self medicate and apply external anti pest substances It seems like some birds use cigarettes butts to prevent parasites so it wouldn't b

> many larger animals self medicate and apply external anti pest substances It seems like some birds use cigarettes butts to prevent parasites so it wouldn't be a first https://www.scientificamerican.com/article/cigarette-butts-help-birds-ward-off-parasites/ https://www.scientificamerican.com/article/cigarette-butts-h...