 : Merzse Marsh Nature Trail around 5th station. Fauna: Eurasian penduline tit (Remiz pendulinus), mallard  or wild duck (Anas platyrhynchos), purple heron (Ardea purpurea), little egret, sand lizard (Lacerta agilis).  <i>Get in</i>: train from Keleti pályaudvar (Keleti railway station)  and take off  at Rákoskert station and walk to south about half km. <i>Source</i>: Budapest's Protected Natural Heritage. Edited by Municipality of Budapest in 1996. Supported by Phare (EU project), <a href="//commons.wikimedia.org/wiki/Special:BookSources/9630471523" title="Special:BookSources/9630471523">ISBN 9630471523</a>. - Rákoshegy, <a href="https://hu.wikipedia.org/wiki/Budapest" class="extiw" title="hu:Budapest">Budapest</a> District XVII.
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