We do not expect to hear it said but a man mentioned he had heard his first robin. But of course, we hear birds more often than we see them. A sound, a bird’s call, is as accurate a confirmation, ...

Seagulls can tell the difference between shouting and speaking even when both are played at exactly the same loudness, showing they respond to acoustic properties beyond just decibels. Different exits ...

Night singers like Nightingales seek mates under cover of darkness. Mockingbirds mimic sounds; males sing all night to attract mates. European Robins adapt to urban noise by singing at night. Birds ...