The Songbird’s Beak Did a Full ‘Pinocchio’ During and After Covid

The pandemic had a noticeable impact on the environment, though not always on the same scale. While the rare absence of humans reduced some pollution to nature, that sudden change also encouraged more aggressive behavior from invasive species. Then there are cases, like the one involving the dark-eyed juncos in California, that don’t quite fit in either category.

In a recent paper published in the Proceedings of the National Academy of Sciences, scientists reported that during and…