The ' WWF Oasis of Persano it is one of the most important treasure chests of biodiversity in the Campania and represents an authentic paradise for nature lovers. Located along the course of the sele river , in the heart of Piana del Sele , the oasis extends between wetlands , riparian forests and bodies of water which constitute an ideal habitat for numerous animal and plant species. This protected area plays a fundamental role for wildlife conservation , hosting a rich variety of migratory birds, amphibians, reptiles and mammals. Among its most representative symbols is the european otter , a particularly rare species and indicator of environmental quality of the territory . Nature trails and observation points allow visitors to immerse themselves in a pristine environment , where silence is interrupted by the sounds of nature.