A pair of eastern bluebirds. Source: Claudine Lamothe, via Flickr. Distributed under a CC BY-NC 2.0 license. Birdsong is often thought of as a male trait, but new research is changing that idea.

When it gets too noisy, male eastern bluebirds (Sialia sialis) will alter the loudness and pitch of their songs. Like us, they start shouting, and in real-time too, according to new findings published ...

A pair of eastern bluebirds. Source: Claudine Lamothe, via Flickr. Distributed under a CC BY-NC 2.0 license. Birdsong is often thought of as a male trait, but new research is changing that idea.