Did you know that birds use cigarette butts to fight parasites?

Recently I took part in a cleaning action in my village. It was actually already rather clean, and we found little rubbish on the streets and sidewalks. However, about two out of three pieces of garbage were cigarette butts. This reminded me that some birds living in cities use those remains of smoked cigarettes to … Continue reading Did you know that birds use cigarette butts to fight parasites?