Add Yahoo as a preferred source to see more of our stories on Google. Mountain chickadees are unusual in having more complex calls than songs. Vladimir Pravosudov I approach a flock of mountain ...

Urbanization is rapidly transforming natural habitats and poses growing challenges for wildlife. One lesser-known consequence ...

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 ...

In tropical forests, much of the biodiversity can be heard before it is seen. Birds call, insects buzz and frogs croak, creating complex soundscapes that reflect the presence of different species.

Deep inside a remote North Carolina marsh, scientists installed small recording devices and walked away. Months later, the marsh answered back. The machines kept listening long after researchers ...