Žemaitijos nacionalinis parkas

193 species of birds have been identified in the Park and 52 of them are extremely rare, like Black Stork (Ciconia nigra), Honey- Buzzard (Pernis apivorus), Corn Crake (Crex crex). There are 49 species of mammals and 13 of them such as Lynx (Lynx lynx), Otter (Lutra lutra), Mountain hare (Lepus timidus), etc. are under protectction. 10 species of bats out of 15 species found in Lithuania are registered in the ŽNP. The most common of them are Brown  long- earded bat (Plecotus auritus) and Natterer`s bat (Myotis nattereri). In addition to the common species of fish, also there are  rare fish of the Salmon family European Cisco (Coregonus albula) and European Whitefish (Coregonus lavaretus holsatus), considered to be in the Plateliai Lake since the post-glacial period. The world of insects is especially varied. Over 620 species of beetles and 663 species of butterflies has been found here.