Fig 1. Overview of all areas in natural habitats of Schleswig-Holstein from which animals were captured.

In the legend, an average human population density (inhabitants per square kilometre) is given for the respective district including North Frisia (red), Redsburg Eckenförde (yellow), Dithmarsch (blue) and Ostholstein (green; Statistical Office for Hamburg and Schleswig-Holstein, 2015, [41]).