The American Ornithological Society (AOS) is pleased to announce the grantees of the 2026 Latin American/Caribbean Conservation Research (LACCR) Grants …
The American Ornithological Society (AOS) bestows the Wesley Lanyon Award every two years on an early-career ornithologist who authors the …
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.
“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.”