The 66th Supplement to the American Ornithological Society’s (AOS’s) Check-list of North American Birds, published today in Ornithology, includes several significant updates to the classification of bird species found in North America, Central America, and the Caribbean.
The American Ornithological Society (AOS) is pleased to announce the grantees of the 2025 Kessel Fellowships for Ornithological Research and Latin American/Caribbean Conservation Research Grants for early-career researchers.
After two years of planning, we are thrilled to announce the launch of Flocks for ornithologists. Born from a collaboration between the Association of Field Ornithologists (AFO), the American Ornithological Society (AOS), and the Wilson Ornithological Society (WOS), Flocks are groups where people affiliated with the ornithological community can connect, share advice, and build community …
The American Ornithological Society (AOS) annually confers achievement awards on individuals and groups for their ornithological research and considerable contributions to the science and practice of ornithology, and for their service to our scientific society. Our 2025 awardees represent outstanding contributions to the scientific study and conservation of birds and to the AOS. The 2025 …
The American Ornithological Society (AOS) annually bestows research awards honoring early-career researchers for their ornithological research. This year’s awardees represent outstanding contributions to the scientific study and conservation of birds.
“I first presented at the AOS 2022 conference in Puerto Rico, where I was also a volunteer. From this one experience I saw how AOS fosters opportunities for scientists in every career stage, while addressing the barriers in our work.”
The 2025 U.S. State of the Birds report was released on 13 March. The report, produced by a coalition of leading science and conservation organizations (including the AOS), reveals continued widespread declines in American bird populations across all mainland and marine habitats, with 229 species requiring urgent conservation action. The report comes five years after …
In the Special Feature, Ecology and Conservation of Cavity Nesters in the Neotropics, seven field studies, a perspective, and a review contribute to understanding the ecology and conservation of cavity-nesting birds through a Neotropical lens.
For more than a decade, our team has focused on studying male Scolopax minor (American Woodcock) in Rhode Island. During this time, we recognized a significant gap in knowledge about female S. minor, particularly regarding nest site selection and brood survival, due to a lack of data from this region.
How to describe something we cannot see? This challenge defines nocturnal bird migration research. Every spring and fall, millions of birds fly through the night, journeying between wintering and breeding grounds.
