We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEcology shapes birdsong evolution: variation in morphology and habitat explains variation in white-crowned sparrow song.AuthorsDerryberry EPPublicationThe American naturalist, 2009, Vol 174, Issue 1, p24ISSN1537-5323Publication typearticleDOI10.1086/599298