That’s because spring is when most birds turn to family obligations—they mate, build nests, lay eggs and raise young. Why do ...

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

The birds can produce over 24 beautiful and complex tunes. Both female and male cardinals sing but the female's song is often longer and more complex. They have a clear, whistling tone which may ...