Both beak shape and body mass are also important. In general, smaller birds generate higher frequency sounds, with larger ...

Birds make sounds to communicate, whether to find a potential mate, ward off predators, or just sing for pleasure.

Every year, billions of birds travel across continents and oceans. These journeys are not only fantastic to watch, but they ...

Birds adapt their sounds based on habitat, latitude, and size, with smaller birds using wide frequency ranges to ensure survival.

People who have heard what a bald eagle sounds like through movies or television shows are led to believe the call of the national bird of the United States sounds fierce. In reality, bald eagles ...