GREENVILLE, N.C. (WNCT) — The northern cardinal is quite a notorious bird. With its bright red plumage, the cardinal moves about much of the United States. The northern cardinal can be found as far ...

In most temperate zone songbirds, singing is solely a behavior of males. However, in some species, such as the Northern Cardinal (Cardinalis cardinalis), both sexes sing, and in both, songs are ...

In many temperate zone songbirds, singing is solely a behavior of males. In these species, the singer's sex is encoded in the act of singing. However, in some species both sexes sing. For songs of ...

Many people assume that male songbirds are the ones doing the crooning. But more than 660 species of songbirds are known in which the females sing as well. And there are still 3,500 species of ...

I once assumed that every singing bird I heard was a male. As any bird lover knows, male songbirds sing lustily in spring to attract females and defend territory. About the only exception, I thought, ...

BLOOMINGTON, Ind. -- The purity of birdsong is owed in large part to rapid, controlled changes in the shape of the birds' upper vocal tracts, according to a new study of Northern Cardinals by ...