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 ...

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 ...

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, ...

Travel the U.S. and you'll hear English spoken in a multitude of ways. And it turns out the same can go for songbirds—specifically the swamp sparrow. Scientists have now used those swamp sparrow ...

In contrast to the Swamp Sparrow (Melospiza georgiana) and Song Sparrow (M. melodia), vocal studies of the congeneric Lincoln's Sparrow (M. lincolnii) are essentially lacking. To provide comparative ...

The division of continuously variable acoustic signals into discrete perceptual categories is a fundamental feature of vocal communication, including human speech. Despite the importance of ...