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Reproductive data collected over 20 years help guide recovery of a reintroduced population of critically endangered California Condors

By Victoria Bakker and Myra Finkelstein Related paper: Lead, trash, DDE, and young age of breeders linked to lower fertility in first two decades of reintroduction for critically endangered California Condors in California by Victoria J. Bakker, Myra E. Finkelstein, Daniel F. Doak, Rachel Wolstenholme, Alacia Welch, Joe Burnett, Arianna Punzalan, Joseph Brandt, Steve Kirkland, …

Bird scientists flock to London, Ontario, to share the knowledge and passion for birds

FOR IMMEDIATE RELEASE LONDON, ONTARIO, CANADA — August 1, 2023 — More than 750 of the world’s leading bird experts and bird conservation practitioners are meeting in London, Ontario, from August 8–12 to take part in the 2023 joint American Ornithological Society (AOS) and Society of Canadian Ornithologists – Société des ornithologistes du Canada (SCO–SOC) …

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 …

The American Ornithological Society (AOS) announces the winners of its inaugural Latin America and Caribbean Conservation Research Awards

The American Ornithological Society (AOS) Conservation Committee recognizes the urgent need to conduct timely research on the many declining bird species across the Americas and support researchers from countries where funding for scientific endeavors is less available. In 2023, the committee initiated a new Latin America and Caribbean Conservation Research Awards (LACCRA) small grants initiative, …

JOB ANNOUNCEMENT: EDITOR-IN-CHIEF POSITION, Ornithology

The American Ornithological Society (AOS, or Society) seeks a new editor-in-chief (EIC) for the journal Ornithology. Ornithology is an international, peer-reviewed journal with a 147-year history of publishing original research that advances fundamental, scientific knowledge of living and extinct bird species. Ornithology is published by Oxford University Press (OUP) on a quarterly basis. The journal …

Song Sparrow (Melospiza melodia melodia) on branch near water; Leanne Grieves. Microscopy images by Tosha Ke
Song Sparrow (Melospiza melodia melodia); Leanne Grieves. Microscopy images by Tosha Ke

The Complexity of Haemosporidian Infection Dynamics in Song Sparrows

By Lydia Balogh Related paper: Haemosporidian infection prevalence varies temporally and spatially and Leucocytozoon infections are male biased in Song Sparrows: La prévalence des hémosporidioses varie dans le temps et l’espace et les infections à Leucocytozoon sont biaisées en faveur des mâles chez Melospiza melodia by Leanne A. Grieves, Lydia Balogh, Tosha R. Kelly, Elizabeth …

Ornithological Applications thanks departing editor; welcomes four new associate editors

The American Ornithological Society (AOS) thanks Dr. Ben Zuckerberg from the University of Wisconsin–Madison for his service as an associate editor for Ornithological Applications. Dr. Zuckerberg’s university lab research is focused on studying how modern climate change impacts birds and mammals. Welcome to our four new associate editors Dr. Esteban Botero-Delgadillo is the director of …

Woman extracting bird from bird net
2022 AOS William Brewster Memorial Award winner Amanda Rodewald extracting a Green Jay (Cyanocorax yncas) from a net near Jardin, Colombia. Photo by G. Santos.

Amanda Rodewald | Faces of AOS

The AOS has been my “home” society since I was a graduate student. I enormously value the scientific, educational, and professional resources that AOS provides, but what is most important to me is being part of a fun, supportive and stimulating community. Amanda Rodewald Current institution and/or position: Cornell Lab of Ornithology, Garvin Professor and …