A complex of four lakes and ponds with surrounding meadows. The area is used intensively for fishing and recreation.
A rich area for breeding waterbirds, especially Chlidonias niger but also including, for example, three grebe species (Podiceps cristatus, P. nigricollis and Tachybaptus ruficollis).
BirdLife International (2020) Important Bird Areas factsheet: Lake Kasonys and adjacent wetlands. Downloaded from http://www.birdlife.org on 04/12/2020.