The Auk: Ornithological Advances is an international, peer-reviewed journal that publishes original research and scholarship advancing the fundamental scientific knowledge of bird species and of broad biological concepts (e.g., ecology, evolution, behavior, physiology, genetics) through studies of bird species. Articles often introduce or employ innovative empirical and theoretical approaches and analyses.Topics covered in the journal, either individually or using an integrative approach, include:Evolutionary history and paleontologySystematics and nomenclatureBehavioral ecologyForaging strategies and tacticsPopulation biology and ecologyMolecular ecologyCommunity and landscape ecologyMigration and orientationSpacing patterns and habitat useGenetics and genomicsEpigenetics, and evolutionary developmentPhysiology and biochemistryMorphology and anatomyIntegrative and cross-disciplinary studiesTheoretical and methodological advancesThematic reviews and opinion pieces