In the quiet of the woods the bubbling song of the Ruby-crowned Kinglet erupted, and the high trill of the Brown Creeper signaled its presence. The hormonal drive to breed had birds singing regardless of the weather.
The annual supplement to the American Ornithological Society’s Committee on Classification and Nomenclature of North and Middle American Birds (NCAA) is published every August. This year’s supplement has two big changes for North American Birds.