色楞格河
The Selenga River delta is a Ramsar site, surrounded by marshlands. Found in the administrative region of the Republic of Buryatia, the wetlands is the habitat of large number of threatened and endemic species, including the Siberian Baikal sturgeon and over 170 species of bird. The Selenge-Orkhon forest steppe includes the areas of the Orkhon and Selenge river basins. The region has scattered forests and extensive mountain ranges.