1. Centre for Avian Migration and Demography, Netherlands Institute of Ecology (NIOO-KNAW), AB, Wageningen, The Netherlands
2. Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), AB, Wageningen, The Netherlands
3. Theoretical and Computational Ecology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, GE, Amsterdam, The Netherlands
4. Conservation Ecology, University of Groningen, CC, Groningen, The Netherlands
5. Team Animal Ecology, Wageningen Environmental Research (Alterra), Wageningen University, AA, Wageningen, The Netherlands