The American Ornithological Society (AOS) announces the winner of the 2025 Wesley Lanyon Award
The American Ornithological Society (AOS) bestows the Wesley Lanyon Award every two years on an early-career ornithologist who authors the …
Wing Beat
The songs and genes of Marsh Wrens tell of two species in North America
Since the late 1980s, we’ve known of an abrupt transition in Marsh Wren singing styles across the Great Plains of the United States. To the west of the transition zone, songs are harsh, grating, and highly variable, with each male having a large repertoire of up to 150 different songs. To the east, songs are semi-musical and far more homogeneous, and males learn only about 50 different songs.
Humans outperform Merlin Sound ID in field-based point-count surveys
It’s a morning many birders dream of: You wake up, make your morning coffee, and settle in to read the eBird rare bird alerts that rolled into your inbox as you slept. Suddenly, you see something that makes your heart race—a rare bird you’ve never seen before was sighted in your area!
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Faces of AOS
Faiza Hafeez | Faces of AOS
“Over the past few years, the AOS has become my primary scientific society and it has played a big role in my professional growth by providing me with a lot of skills as well as a forum to make meaningful contributions.”