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Sixty-third Supplement to the Check-list of North American Birds published

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The Sixty-third Supplement to the Check-list of North American Birds was recently published by the American Ornithological Society. This year’s supplement includes numerous updates to the classification of North American bird species, such as  species splits in meadowlarks, kites, and several hummingbird species, among others; the addition of a giant-petrel; and a reclassification of the extinct Labrador Duck. 

Complied by the AOS’s North American Classification Committee (NACC), the official authority on the names and classification of the region’s birds, the Check-list is updated every sumer. The Check-list was first published in 1886. 

The full Check-list Supplement is available here.

Learn more about this year’s update here

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