A deep-voiced black-capped chickadee may wonder why other birds ignore it, but there may be a good reason behind the snub, says a University of Alberta study that looked into how the bird responds to ...

If you live in North America, you might have enjoyed the bright songs of black-capped chickadees or red-breasted nuthatches on your street. But you might not have known that those songs have lyrics.

Is that the tweet of a titmouse? Or the chirp of a chickadee? After you download the Merlin Bird ID app, you can use your smartphone to identify sounds and match them to the birds in trees nearby and ...