Most bird species are slow to change their tune, preferring to stick with tried-and-true songs, which help in attracting the females. Now, with the help of citizen scientists, researchers have tracked how one rare sparrow song went "viral" across Canada, traveling over 3,000 kilometres between 2000 and 2019 and wiping out a historic song ending … Continue reading Sparrow song tracked to be “viral” across Canada through a twenty year study