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 …

Celebrating World Migratory Bird Day!

World Migratory Bird Day and Global Big Day are this Saturday, 8 May! We hope you’ll join us in this global celebration to raise awareness about the importance of conserving migratory birds and their habitats. We’ve pulled together a few Wing Beat posts from this past year that highlight research findings from migration-related papers that …

High-intensity Flight Feather Molt: A Cryptic but Critical Phase of the Annual Cycle of Migratory Warblers

By Ronald L. Mumme Linked paper: High-intensity flight feather molt and comparative molt ecology of warblers of eastern North America, by Ronald L. Mumme, Robert S. Mulvihill, David Norman, Ornithology. The lives of migratory songbirds inhabiting the north temperate zone are built around three dramatic and energetically demanding phases of their annual cycle: spring migration, …