The greatest value of Chelmskie Torfowiska Weglanowe is the Aquatic Warbler - a small bird in Old World warblers family. This small passerine bird is a species found in wet sedge beds with vegetation shorter than 30cm. Drainage has meant that this species has declined, and its stronghold is now the Polesie region in Belarus, where 60% of the world's population breeds. Poland boast the second biggest population of this bird. It breeds in the valley of Biebrza river, Narew river in the region of Lublin - Bagno Bubnow and Chelmskie Torfowiska Weglanowe, and in Western Pomerania. more »

Due to the great biodiversity of the area, Chelm Calcareous Peatbogs constitute a unique ecosystem both in Poland and throughout Europe. The site is located in the south-east Poland near the town of Chelm, about 70 km from Lublin. more »