Druzno lake

Country/territory: Poland

IBA Criteria met: C3, C4, C6 (2010)
For more information about IBA criteria please click here

Area: 7,107 ha

Ogólnopolskie Towarzystwo Ochrony Ptaków
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2011 not assessed near favourable not assessed
For more information about IBA monitoring please click here

Site description
A shallow, nutrient-rich lake (up to 1.5 m deep) surrounded by extensive mires and swamp-forest. There is a significant daily fluctuation in water-level, caused by wind-related water-level fluctuation in the Wiœlany lagoon, which connects with this site via the Elbl¹g river. There is a rich vegetation of floating (Nymphaea) and submerged (Potamogeton) plants, as well as extensive reedbeds Phragmites. Alder Alnus carr occurs along marshy shores.

Key biodiversity
The site regularly supports 20,000 or more waterbirds during spring and autumn migration, mainly wildfowl Anser/Anas. Breeding species of global conservation concern that do not meet IBA criteria: Aythya nyroca (2-3 pairs), Crex crex (2-3 pairs).

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Druzno lake. Downloaded from on 05/12/2022.