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
IBA conservation status
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2011 near favourable not assessed not assessed
For more information about IBA monitoring, please click here

Site description (2000 baseline)
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 (2023) Important Bird Area factsheet: Druzno lake. Downloaded from on 25/09/2023.