One has been protected status since the end of Serbia’s oldest natural reserves, it of the 19th century. Te ruling AustriaHungary Habsburgs frst proclaimed the marsh a royal hunting ground in 1874, and from 1919 it became a hunting ground of the Karadjordjevic dynasty. A seasonal ﬂoodplain of the River Sava, Obedska is an oxbow lake surrounded by forests of oak, willow and poplar. Te largest pond is an authentic complex of stagnant tributaries, marshes, reed beds, wet meadows and forests. It is home to dormice, water voles, rabbits, hedgehogs, wild boar and roe deer, as well as a large number of insects. Te most outstanding examples of the marsh’s plant life are perhaps the white and yellow water lily, the water soldier (Stratiotes aloides) and bladderwort. Tere are around 180 species of fungi at Obedska marsh, including the Boletus edulis, Golden chanterelle, Giant puﬀball and Parasol mushroom. Among the amphibian residents there are the Danube Crested Newt, the Smooth or Common Newt and Eastern Spadefoot Toad, while reptilesinclude the European pond terrapin, European Green Lizard, slowworm, Aesculapian Snake, Grass snake, and the common European adder. The marsh is also home tomany species of birds.