1. Department of Migration Max Planck Institute of Animal Behavior Radolfzell Germany
2. Institute of Plant & Animal Ecology UB RAS Ekaterinburg Russia
3. Institute of Biological Problems of the North FEB RAS Magadan Russia
4. Konstanz University Konstanz Germany
5. Ugyen Wangchuck Institute for Conservation and Environment Research Bhutan
6. Institute of Geography Russian Academy of Sciences Moscow Russia