Snowbird 2.0
American Tree Sparrow: Always at home in the snow. From Oak Harbor, Ohio, Kenn writes: When I was a kid, first learning about birds, I read that "snowbird" was the Dark-eyed Junco's nickname. Juncos are easy to recognize, and for many people in the eastern U.S., they are characteristic birds of winter. But for me, the real "snowbirds" are American Tree Sparrows. Strictly winter birds anywhere south of the Arctic, they arrive with cold weather, and they visit Kimberly and me only when the snow flies. American Tree Sparrows belong to the genus Spizella, which makes them relatives of familiar birds like Chipping Sparrow and Field Sparrow. The main difference is that Tree Sparrows have their center of distribution at least a thousand miles farther north. Indeed, "Tree Sparrow" is a misnomer: many spend the summer far north of treeline, on the tundra, where the largest willows are only a couple of feet tall. In winter, flocks r...