Map of Baden-Württemberg, Germany, with locations and satellite photos of both study sites. Hill shade symbolises elevation, forest cover is illustrated in green and urban areas in light red. The main map shows the location of the sites within Baden-Württemberg and top left within Germany. Map was created with QGIS (QGIS Development Team 2020).

 
 
  Part of: Tietz B, Penner J, Vamberger M (2023) Chelonian challenge: three alien species from North America are moving their reproductive boundaries in Central Europe. NeoBiota 82: 1-21. https://doi.org/10.3897/neobiota.82.87264