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Birds' bodies are changing and so are their songs. Over the last 70 years, birds worldwide have been noticeably shrinking in mass or expanding in wing length. Many scientists believe this to be a ...

Do you have a favorite birdsong? Other people might share the same one. Certain acoustic features of their tweets strike a ...

Why does one bird sound beautiful while another sounds harsh? A new study takes a closer look at the acoustic qualities that ...

But the conditions that contribute to the immense diversity of the sounds they make are not well understood. Researchers at the University of Wisconsin–Madison have conducted the first-ever global ...

Birds are the master vocalists of the animal kingdom. They can make a remarkable variety of sounds. But why is a barred owl more of a baritone, while a cedar waxwing is a soprano? And what influences ...

Each May, nature lovers get out of bed early to experience the seasonal wonder of birds singing, as the sun rises above the horizon to take part in International Dawn Chorus Day. In Europe you may ...

Australia’s lyrebirds do not merely repeat one borrowed call. A male can assemble a long performance from the voices of ...

I’m not a bird watcher, but I’ve become a bird listener ever since downloading a bionic ear app to my phone. It lets me enter a different world, one where I’m surrounded not just by chirping but by ...

Add Yahoo as a preferred source to see more of our stories on Google. The team found that habitat appears to influence the frequency of the sound the bird makes in some unexpected ways. In ecosystems ...

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 ...