Saturday, September 14, 2013 at 8:57 a.m. In September, this Arctic Tern flies from Alaska all the way to Antarctica. Rufous Hummingbirds follow pathways of mountain wildflowers, from as far north as Alaska south to Mexico. Ruby-crowned Kinglets, migrate altitudinally from the mountains to the lowlands. Each of these birds migrates, but on a very different course. All make the most of food and breeding opportunities that change with the seasons.
Bird sounds for BirdNote come from The Macaulay Library at the Cornell Lab of Ornithology.