About the Authors

Dominik Marchowski

marchowskid@gmail.com

Affiliations Department of Vertebrate Zoology and Anthropology, Faculty of Biology, Szczecin University, Szczecin, Poland, West–Pomeranian Nature Society, Szczecin, Poland

Grzegorz Neubauer

Affiliation Ornithological Station, Museum and Institute of Zoology, Polish Academy of Sciences, Gdańsk, Poland

Łukasz Ławicki

Affiliation West–Pomeranian Nature Society, Szczecin, Poland

Adam Woźniczka

Affiliation National Marine Fisheries Research Institute, Research Station in Świnoujście, Świnoujście, Poland

Dariusz Wysocki

Affiliation Department of Vertebrate Zoology and Anthropology, Faculty of Biology, Szczecin University, Szczecin, Poland

Sebastian Guentzel

Affiliation West–Pomeranian Nature Society, Szczecin, Poland

Maciej Jarzemski

Affiliation Linus Maciej Jarzemski, Szczecin, Poland

Competing Interests

The authors have the following interests: Co-author MJ runs a one-man company named Linus Maciej Jarzemski. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: DM GN ŁŁ AW DW SG MJ. Performed the experiments: DM ŁŁ AW DW SG. Analyzed the data: DM GN MJ. Contributed reagents/materials/analysis tools: DM GN ŁŁ AW DW SG MJ. Wrote the paper: DM GN ŁŁ AW.