Đol Dražiblato special ornithological reserve is located in Sunja municipality, Sisak-Moslavina County, within the area protected as the Sunjsko polje Significant Landscape. The reserve is located between the Sava River and the Sunja River and covers an area of 78,59 ha.
Đol Dražiblato was proclaimed as special botanical reserve on 12 November 1969 with the aim of preserving habitats important for shore birds.
Visitors must be accompanied by employees of the Public Institution for nature protection of Sisak-Moslavina county.
Đol Dražiblato special ornithological reserve covers the area of wetland meadows, ash, willow and poplar forests, surrounded by floodplain pedunculate oak forests. It is one of the feeding grounds for a significant bird colony from the Krapje Đol ornithological reserve, especially for rare species of the Eurasian spoonbill (Platalea leucorodia).
It is a nesting area for several bird species: the marsh warbler (Acrocephalus palustris), the Eurasian reed warbler (Acrocephalus scirpaceus), the Savi's warbler (Locustella luscinicedes), the river warbler (Locustella fluviatilis), and the common reed bunting (Emberiza schoeniclus). There is a possibility for nesting of mallards, moorhens, rails and crakes (Gallinula, Rallus, Porzana) and other wetland birds.
There is a hidden pond In the Dražiblato ornithological reserve, covering an area of about 12 ha. On and around the pond, several endangered bird species have been recorded (the great egret (Ardea alba), the Eurasian spoonbill (Platalea leucorodia), the ferruginous duck (Aythya nyroca), the mallard (Anas platyrhynchos), etc.).
Known about the unknown
Đol Dražiblato is also called Vražje blato (the Devil's mud).