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 ...

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 ...

Some birds—including blue jays—are strong vocal learners that can mimic other birds and make lots of different sounds. Jocelyn Anderson via Wikimedia Commons under CC BY 3.0 Birds can make an array of ...