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

Other birds, of course, are singing in March, for example, the American robin, but it seems they are more often vocal at dawn ...

A Northern Cardinal is a striking site when you go birdwatching ... Both female and male cardinals sing but the female's song is often longer and more complex. They have a clear, whistling tone ...