1. All-Russian Research Institute for Environmental Protection (ARRIEP), Moscow, Russia
2. Ivanovo State University, Ivanovo, Russia
3. Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, The Netherlands
4. Department of Coastal Systems, NIOZ Royal Netherlands Institute for Sea Research, Texel, The Netherlands
5. BirdEyes, Centre for Global Ecological Change, Faculties of Science & Engineering and Campus Fryslân, University of Groningen, Leeuwarden, The Netherlands
6. Ornithology Unit, Department of Vertebrate Ecology and Zoology, Faculty of Biology, University of Gdańsk, Gdańsk, Poland