the immigrants used the resident solution on their first try. Chimento says that this stark result makes a compelling case that social learning was at play. "Of course, we can't ask the birds ...

"Throughout the United States, we see changes over time in birds wintering farther north than they used to, as the overall ... "Robins are really good at moving locally to find fruit," he said.

Birds are steadily moving north. Or at least those who can ... and the papers on range shifts have used a lot of eBird data and Christmas bird counts, which is collected by you and me,” said ...