Scientists have long thought that a bird's vocal performance is a static characteristic-set once a song is learned. Yet, biologists now explain that songbirds can modulate vocal performance, when it ...

image: American swamp sparrows may have sung the same songs for more than 1,000 years and passed them on through generations by learning, according to researchers at Queen Mary University of London, ...

When the swamp sparrow sings, it looks almost proud, puffing out its feathered chest and lifting its head high before letting out a long sputter of chirps. As it turns out, this creature my have ...

The song of the swamp sparrow—a grey-breasted bird found in wetlands throughout much of North America—is a simple melodious trill, repeated over and over again. "It's kind of like a harmonious police ...