When states want to gauge quail populations, the process can be grueling, time-consuming and expensive. It means spending hours in the field listening for calls. Or leaving a recording device in the ...

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 ...

The sound of birds is everywhere but what if you can’t tell your robin from your ring-necked parrot? And when the birds listen to each other, are they picking up on the same qualities as we are? As ...