[1] Czech Academy of Sciences,Department of Ecology, Faculty of Science
[2] Institute of Vertebrate Biology,Department of Biology, Molecular Ecology and Evolution Lab
[3] Charles University,undefined
[4] Lund University,undefined
[5] Nature Research Centre,undefined
[6] Institute of Biodiversity and Ecosystem Research,undefined
[7] Bulgarian Academy of Sciences,undefined
[8] Bird Migration Department,undefined
[9] Swiss Ornithological Institute,undefined
[10] Institute of Zoology,undefined
[11] Ministry of Education and Science,undefined
[12] Max-Planck Institute of Animal Behavior Konstanz,undefined