Lake Cerknica

The Intermittent Lake Cerknica.

Due to its regular draining and filling, it had already attracted explorers as early as in the 17th century, and has been the object of study and admiration ever since. The vast lake reed beds provide shelter, food, and nesting grounds to a variety of water and other birds. The lake is a nesting ground for 94 different species, although more than 230 species have been observed in its vicinity. These species include endangered and rare Slovenian and European birds (Corn Crake Crex Crex, Red-necked Grebe Podiceps grisegena, Common Redshank Tringa totanus, Great Crested Grebe Podiceps cristatus, Little Grebe Tachybaptus ruficollis, Eurasian Curlew Numanius arquata, and others). For the variety of water and wading birds, Lake Cerknica is one of the most important Slovenian nesting grounds; it is a rest area for many migrating birds, and also a wintering area for others. This makes Lake Cerknica an important ornithological location. In summer, Lake Cerknica is usually completely drained. When the water level drops, deep sinkholes are exposed underneath a thick layer of sediment. This largest Slovenian karst plain is a real tourist magnet regardless of the season.

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