Animals do all sorts of things to attract each other as potential mates. Many birds, for example, produce feathers with ...

Familiar voices trigger stronger brain activity in zebra finches, speeding up how quickly they respond to calls.

In some of the, well, less stressful corners of social media, you can hear all kinds of bird calls, people sharing recordings of birds that they took with their phones. (SOUNDBITE OF ARCHIVED ...

It might sound like all chirps to you, but birds convey different messages, even across species. Language has long been considered the exclusive provenance of humans. But in the animal kingdom, birds, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS – As another migration period is ...