Data Zone
Country/territory: Lithuania
IBA criteria met: B2, C6 (2004)
For more information about IBA criteria, please click here
Area: 3,620 ha
Site description (2000 baseline)
A large, swampy wetland of reedbeds, lakes, forests, and meadows. Biržulis lake is very shallow and surrounded by reedbeds. Sterva lake is surrounded by bogs. This IBA was previously known as `Lakes Biržulis and Styrvas' in the previous pan-European inventory (Grimmett and Jones 1989).
Key biodiversity
An important breeding site for Botaurus stellaris and Larus minutus. Breeding species of global conservation concern that do not meet IBA criteria: Crex crex (a few calling males).
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Birzulius-Stervas marshes complex (Lithuania). Downloaded from
https://datazone.birdlife.org/site/factsheet/birzulius-stervas-marshes-complex-iba-lithuania on 23/11/2024.