AdvertisementSongbird DNA May Offer Clues To Human SpeechApril 01, 2010Jon HamiltonfacebookEmailZebra finches have complex songs that are learned throughout adolescence. Scientists who recently sequenced the finch's genome say that their research may lead to a clearer understanding of human speech-related disorders like those caused by autism, strokes and Parkinson's disease. (iStockphoto.com)