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 ...

Stopped along Snow's Cut Trail in Carolina Beach State Park, Park Ranger Jesse Anderson tugs a palm-sized Bluetooth speaker out of his cargo pocket and holds the power button down. A few notes emerge ...

Birds make sounds to communicate, whether to find a potential mate, ward off predators, or just sing for pleasure. But the conditions that contribute to the immense diversity of the sounds they make ...