Data Zone
The site was identified as internationally important for bird conservation in 2002 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Whooper Swan Cygnus cygnus | LC | winter (1987–1996) | 265 birds | C2 |
| Tundra Swan Cygnus columbianus | LC | passage (1997) | 300 birds | A4i, B1i, C2 |
| Barnacle Goose Branta leucopsis | LC | winter (1987–1996) | 230 birds | C2 |
| Greylag Goose Anser anser | LC | passage (1997) | 4,000 birds | A4i, B1i, C3 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1940 | Warder See und Börn See mit Umgebung | Landschaftschutzgebiet (V) | 100 |
| 1986 | Holsteinische Schweiz | Nature Park (V) | 69 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Wetlands (inland) | - | Standing freshwater |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Warder See (Germany). Downloaded from
https://datazone.birdlife.org/site/factsheet/warder-see-iba-germany on 23/12/2024.