#Twenty-year study tracks a sparrow song that went ‘viral’ across Canada
“#Twenty-year study tracks a sparrow song that went ‘viral’ across Canada” A white-throated sparrow. Credit: Scott M. Ramsay Most bird species are slow to change their tune, preferring to stick with tried-and-true songs to defend territories and attract females. Now, with the help of citizen scientists, researchers have tracked how one rare sparrow song went…