I was recently creeping through a clearing of downed trees in a wooded Brooklyn park with my iPhone in hand. Birds were singing everywhere, but through the din, I was recording a peculiar song: It was ...

Birds don't just sing for beauty, their voices carry messages, warnings, and even regional dialects that reveal a hidden world of communication. Bird sounds offer insight into how intelligent and ...

The muscles of the syrinx control the details of song production; birds with more elaborate system of vocal muscles produce more complex songs. But unlike our soundbox, which is situated at the top of ...