This site covers the upper part of a reservoir used for generating hydroelectric power, and includes some islands as well as surrounding forests, swamps and meadows.
There are important numbers of breeding Botaurus stellaris and Alcedo atthis. Breeding species of global conservation concern that do not meet IBA criteria: Haliaeetus albicilla (1-2 pairs) and Crex crex (a few calling males). Other notable breeding species include Aythya ferina (min. 20 pairs) and Dendrocopos medius (min. 6 pairs).
BirdLife International (2021) Important Bird Areas factsheet: Kauno Marios water reservoir & eastern coastal zone. Downloaded from http://www.birdlife.org on 07/05/2021.