In with the Old, Out with the Mew

Keep your checklists handy because the 62nd Supplement to the American Ornithological Society’s Check-list of North American Birds, publishing today in Ornithology, includes numerous updates to the classification of the continent’s bird species. A few highlights from this year’s supplement, detailed below, include species splits for Mew Gull, Barred Owl, and Sedge Wren, among quite …

Species Limits and Taxonomy in Birds

How we determine what entities we call species has major impacts on ornithology at many levels; the units used in every field of scientific research and that are the focus of conservation and legislative planning are the result of this data-driven process. Once species limits are decided, the scientific and English names that we use …