Species Changes in 2023 Check-list: Western Flycatcher Lump, North American Goshawk Status, Caribbean Bird Splits

American Ornithological Society Publications Office

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 a species lump for the Western Flycatcher, species status for the goshawk of North America, and species splits in several Caribbean birds leading to five additional species.

The Check-list, published since 1886, is updated annually by the AOS's North American Classification Committee (NACC), the official authority on the names and classification of the region's birds, and is consulted by birders and professional ornithologists alike.

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