Birds are the master vocalists of the animal kingdom. They can make a remarkable variety of sounds. But why is a barred owl more of a baritone, while a cedar waxwing is a soprano? And what influences ...

Bird sounds that always make me chuckle are those of the red-breasted nuthatch. I won’t call them songs because they don’t meet most people’s idea of “song.” The most common call of this species is ...

Although bird identification can be perplexing — baffling at times — for even the most accomplished birders, the principles of identification are relatively simple. We recognize birds by their visual ...