Bird songs are plentiful during the spring, but have you ever wondered why do birds sing? Find out the reasons from a bird ...

The song of the chingolo can be heard across South America. But young songbirds were no longer learning the tunes of their ...

Song allows the bird to "speak" better than ... the new bird becomes a subordinate member of the group once more. White-browed sparrow weavers sing group choruses, which they use to defend their ...

Sooty grouse are very vocal at this time of year but are found at mid-elevations requiring a trip up a logging road. Listen ...