1. The Biogeography and Genomics of Vocalizations in North American Passerines Restricted (Penn State Only) Author: Phung, Lan Nhi Title: The Biogeography and Genomics of Vocalizations in North American Passerines Graduate Program: Biology Keywords: VocalizationNew World warblersBiogeographyGenomicsLeiothlypis ruficapillaSetophaga coronataGlacial refugiaAvian evolutionSong variationCall variationReproductive barrier File: Login to Download Committee Members: Elizabeth Mcgraw, Program Head/ChairJulian Avery, Outside Unit MemberDavid Toews, Major Field Member & Dissertation AdvisorHeather Hines, Chair of CommitteeEmily Davenport, Outside Field Member