Young birds that grew up with added urban background noise showed signs of faster aging than birds without. Jim Bendon/Flickr For birds living the city life, listening to the rhythm of the street ...

I know what you're thinking: What does a zebra sound like? Well, as always, everyone's favorite search engine has all the answers. You can now Google "animal noises" to hear different animal sounds ...

Female zebra finches, normally devoted to their mates, are more likely to flirt with male strangers when background noise goes up, say researchers. A test with finches in a lab found that white noise ...