Reports from the meeting of the American Ornithologists' Union
Researchers convened August 12-15 at the American Ornithologists’ Union 2009 meeting in Philadelphia, Pa. They presented their latest findings on the evolution of female songs, the unexpected vocal anatomy of sage grouse and the perils of traffic noise for forest birds.
TO SING OR NOT TO SING
PHILADELPHIA—It's not her latitude. It's her lifestyle. A new study may help explain why birdsong is more of a guy thing in temperate regions but plenty of females join