Druzno lake

IBA Criteria

Year of most recent IBA criteria assessment: 2010

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Bean Goose Anser fabalis LC passage 2001-2002 3,000-7,000 individuals C3
Whiskered Tern Chlidonias hybrida LC breeding 2008 170 breeding pairs C6
Black Tern Chlidonias niger LC breeding 2008 70 breeding pairs C6
A4iii Species group - waterbirds n/a passage 2007-2008 10,000-20,000 individuals C4

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2011 not assessed near favourable not assessed
Was the whole site covered? Yes State assessed by Population
Accuracy of information good

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Ostoja Drużno Site of Community Importance (Habitats Directive) 3,089 protected area contained by site 3,089
Kanału Elbląskiego Obszar Chronionego Krajobrazu 30,426 protected area is adjacent to site 0
Jezioro Drużno Special Protection Area (Birds Directive) 5,996 protected area contained by site 5,996
Jezioro Drużno Rezerwat Przyrody 3,121 protected area contained by site 3,022
Jeziora Drużno Obszar Chronionego Krajobrazu 12,547 protected area overlaps with site 0
Druzno Lake Nature Reserve Ramsar Site, Wetland of International Importance 3,068 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest -
Grassland Humid grasslands -
Wetlands (inland) Standing freshwater, Rivers and streams, Water fringe vegetation, Fens, transition mires and springs -
Artificial/Terrestrial -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
tourism/recreation -
agriculture -
hunting -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Druzno lake. Downloaded from on 17/08/2022.