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Species lump for the Western Flycatcher; species status for the goshawk of North America; and species splits in several Caribbean birds among 2023 Check-list changes

6 July 2023; 11:25 a.m. — Revised to correct the link to the article in Ornithology. The 64th Supplement to the American Ornithological Society’s (AOS) Check-list of North American Birds, published today in Ornithology, includes numerous updates to the classification of North American bird species.  A few highlights from this year’s supplement, detailed below, include …

Sixty-third Supplement to the AOS Check-list of North American Birds Publishes Today in Ornithology

The Sixty-third Supplement to the Check-list of North American Birds, a publication of the American Ornithological Society (AOS), is published today in the journal Ornithology and includes numerous updates to the classification of North American bird species. A few highlights from this year’s supplement, detailed below, include species splits in meadowlarks, kites, and several hummingbird …

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 …