To ensure species, environmental and water protection on site, wind energy projects in forest areas are always accompanied by comprehensive surveys. In the process, the habits of native animal species can also be examined for their protection. In this project for example, field research revealed new insights into the life of the pug bat, which is classified as particularly worthy of protection. Compensatory measures, such as the decommissioning of existing old trees, have since provided effective bat protection. Reforestation with ecologically higher-quality trees enables the further development of a higher-quality and more diverse forest.