Bird sounds: Bluethroat (Luscinia svecica), River Warbler (Locustella fluviatilis), Marsh Warbler (Acrocephalus palustris), (Eurasian) Reed Warbler (Acrocephalus scirpaceus), Common Chaffinch (Fringilla coelebs), Song Thrush (Turdus philomelos), Common Blackbird (Turdus merula) recorded in Burgenland and Lower Austria