Affiliation: | 1. Metapopulation Research Group, Department of Biosciences, , Helsinki, Finland;2. Laboratoire d'Ecologie Alpine, UMR‐CNRS 5553, Université Joseph Fourier, , 38041 Grenoble Cedex 9, France;3. Muséum National d'Histoire Naturelle, UMR 7204 MNHN‐CNRS‐UPMC, Centre de Recherches sur la Biologie des Populations d'Oiseaux, , 75005 Paris, France;4. Department of Ecology and Evolutionary Biology, Yale University, , New Haven, CT, 06520‐8106 USA;5. Department of Biology and Biotechnologies “Charles Darwin”, University of Rome “La Sapienza”, , Rome, 00185 Italy |