Outstanding students of all nationalities with a deep commitment to basic research in Organismal Biology are invited to apply. More than 25 internationally recognized research groups actively participate in the PhD program and offer challenging, cutting-edge PhD projects in the fields of Behavioral Biology, Ecology, Evolutionary Biology, Physiology, and Neurobiology. The competitive doctoral program provides its fellows with an excellent starting platform for a successful career in the fields of animal behaviour, ecology, evolution, physiology, and neurobiology. For 2015, we offer the following PhD projects: • Evolutionary Genetics of the Embryo Mortality Puzzle in the Zebra Finch • Ecological genomics in urbanizing burrowing owls • Comparative Analysis of Sexual Selection in Parr