Not only iconic large animal species are important for nature. Lesser known species, such as the European beaver, also play an important role in the rewilding of natural systems. The fauna and flora of the Danube Delta and adjacent areas create complex, balanced and interdependent ecosystems that support wildlife and people. In these systems, each species has its important place and affects many other species. Let’s talk about beavers: why they are interesting and why they are useful for nature and local communities.