Birds have a variety of alarm calls that warn other members of the flock about impending danger. But for some birds, the very act of taking off is enough to sound the alarm. Mae Hingee and Robert ...

The crested pigeon, found in Australia, has a modified wing feather that helps produce an alarm signal sound to warn other birds when there's trouble. Feathers are not just for flight. They keep birds ...

I’M SO HAPPY to be rid of this past winter, its cold and long nights, that I’ve been getting up at 5:45 in the morning. I’m not sure that I really have any choice in the matter. The birds are a potent ...

Part 1. 'I don't do calls' -- Crossing the sound barrier -- Tone and timpre -- Pitch and frequency -- Rhythm and timing -- Part 2. Put it all together and what have you got? -- Simple calls -- Simple ...

Birds don't just sing for beauty, their voices carry messages, warnings, and even regional dialects that reveal a hidden ...