Wildlife Safety Are copper pennies toxic to birds? February 5, 2026 by Tanp | Leave a Comment Are copper pennies toxic to birds? While modern pennies contain some copper, they are primarily made of zinc, which can be toxic to birds if ingested. Birds may mistake pennies for food, leading to zinc poisoning, which can be fatal. Why Are Pennies Dangerous to Birds? Pennies minted after 1982 are composed of 97.5% zinc […] Read more ยป